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S1364682620300213 | A cursory or even detailed inspection of literature shows that while the annual cycle of precipitation and temperature in Zambia are well understood there is a general lack of documentation on long term trends and periodicities over the country . In this study we extensively examined the temporal and spatial changes in... | Precipitation has been decreasing by 1.1mm yr. across Zambia. An abrupt change in the trend of precipitation was reported in 1980 1981 significant at 5 significance level. Temperature has been increasing at a rate of 0.01C yr. No sudden changes have been observed in temperature over the country. |
S1364682620300237 | The fourth stage of the Polar Satellite Launch Vehicle of the C 38 mission was used for the first time as an orbiting platform to carry out measurements of atmospheric parameters on June 23 2017 . The measurements were made in two phases . i During the initial launch phase wherein the launch vehicle traversed from the ... | The IDEA payload is flown on the unique PS4 orbiting platform of PSLV C38 to obtain ionospheric measurements. First of their kind in situ observations of top side plasma density structure being modulated by rocket exhaust cloud. |
S1364682620300249 | Energetic particles precipitation which transmits energy from the magnetosphere to the ionosphere represents an important coupling process between two systems . In this study we investigate the spatial distribution and temporal evolution of medium energy energetic particle precipitation with NOAA POES observations . We... | Medium energy tens to hundreds of keV energetic precipitation of electrons and protons both exhibits global asymmetry. Energetic proton precipitation contains more energy flux than electrons unlike the scenario in low energy precipitation. The Earthward extension of precipitation linearly correlates with the storm inte... |
S1364682620300250 | The Himalayas are often considered pristine environments however they can be influenced by transported aerosols emitted from urbanized and industrialized areas . In the present study atmospheric PM | PM concentrations are above the permissible limit stipulated by the CPCB and WHO. Particulate pollution from IGP region influences the air quality at Dehradun. Soil dust particles have a greater contribution during the summer season. Inhalation of PM at Dehradun can lead to human health risk. |
S1364682620300262 | The latest version of the International Reference Ionosphere is evaluated for ionospheric total electron content over China during a high solar activity phase of 2014 . TEC is derived from observations by the GNSS receiver network of Crustal Movement Observation Network of China . IRI 2016 uses the NeQuick option for t... | There is an obvious winter anomaly for GPS TEC in 2014 while it is not for IRI 2016. IRI 2016 has a good description of the ionosphere at mid latitudes of 35o45oN where the RMS of TEC is about 5 TECU. For the ionosphere of 15o35oN IRI 2016 estimates GPS TEC inaccurately in spring and winter and the RMS of TEC can be la... |
S1364682620300274 | Thermospheric mass density estimates from in situ observations along satellite orbits are difficult to validate due to their inherent spatiotemporal sparse nature and difficulties related to drag force modeling and estimation of actual mass density state . Current upper atmospheric models are unable to accurately repre... | A new Thermospheric Mass Density Model is presented and assessed by NRLMSISE 00 model GRACE Swarm C and APOD observations. The performance of TMDM is assessed in a dynamic orbital propagation analysis with similar deviations than that of NRLMSISE 00 and in situ estimates. The statistical analysis shows that NRLMSISE 00... |
S1364682620300286 | During the American solar eclipse on 21 August 2017 the GNSS network was applied to record the ionospheric responses . Following the lunar shadow the TEC depletion emerged over the eclipse path . After the eclipse end the depletion in the north gradually disappeared and then the TEC enhancement emerged . The depletion ... | The eclipse induced depletion was moving to south with larger and larger TEC depletion after eclipse maximum. A sharp area between the enhancement and depletion regions appeared at the latitude of 27 N. The fountain effect and eclipse induced thermospheric winds may play an important role for the rare phenomena. |
S1364682620300298 | In this study the trend of annual and monthly rainfall and trend of maximum and minimum temperature of the month have been detected . The presence of trends in annual rainfall time series are detected and evaluated using linear regression Mann Kendall test with Sen s slope estimator and Innovative Trend analysis . Resu... | Trend is detected for Hydro meteorological parameters in Sabarmati River basin in the state of Gujarat India. Trend of the Annual and monthly rainfall maximum and minimum temperature for each month is detected and evaluated and Spatial distribution of it is represented and linked to Land use Land cover in the basin. Th... |
S1364682620300304 | The study analyses the delayed occurrence of the F region ionospheric manifestations like peak vertical drift and Equatorial Spread F onset in summer solstice of low solar activity years using the ionosonde data at the magnetic equatorial station Trivandrum and Republic of China Satellite 1 data . The analysis reveals ... | Ionospheric F region vertical drifts are observed to be delayed in summer months for low solar activity conditions. Role of F region wind reversal time in modulating the time of peak vertical drift and ESF onset is brought out. The study emphasizes the need to have systematic F region wind measurements for Equatorial S... |
S1364682620300328 | The optical depth at 45 and 90GHz have been obtained from calibration data of two solar radio telescopes located in El Leoncito Astronomical Complex during the years 20122013 . The observed period and the temporal resolution of the measurements is sufficient to show seasonal patterns . Using the precipitable water vapo... | Atmospheric absorption at 45 90 GHz correlates with precipitable water vapor. Atmospheric models used to predict the contributions of water vapor and oxygen. Refinement of atmospheric models using instruments operating in several frequencies. |
S136468262030033X | In this study the Weather Research and Forecasting model with Chemistry is applied to compare the simulated dust content and extinction coefficients from the Goddard Chemistry Aerosol Radiation and Transport the Air Force Weather Agency and University of Cologne dust emission scheme available in WRF Chem . The observat... | The GOCART AFWA and UoC scheme reproduce broadly the observed AOD and extinction coefficient over northern Africa. There are significant differences between the three schemes GOCART AFWA and UoC results over the Sahara and Sahel regions. The simulated dust extinction profiles overestimate largely the observation from C... |
S1364682620300341 | Long term natural and anthropogenic aerosol characteristics over the United Arab Emirates are investigated in this study . Aerosol characteristics were analyzed using data from the Moderate Resolution Imaging Spectroradiometer local meteorological stations and the Aerosol Robotic Network ground based station during 200... | Aerosol mixing and loading over highly urbanized semiarid countries. Aerosols analysis using MODIS AERONET and meteorological data. Seasonal variation of aerosol over United Arab Emirates during 20052015. Dominant aerosols and particles characterization. Effect of local meteorological conditions on aerosol loadings. |
S1364682620300353 | Wind temperature relative humidity and aerosol mass concentration were monitored simultaneously in Wuhan China . Several observations were found after analyzing the physical fields of these data . It was obvious that weak pressure and saddle patterns occurred during fog haze episodes . An inversion layer occurred befor... | The importance of anticyclonic circulation pattern in pollution process. The relationship between turbulence parameters and boundary layer. Turbulent activity is often very weak prior to the heavy pollution. Combination analysis of different scales for circulation and boundary layer. |
S1364682620300365 | In order to understand the air quality and plausible sources of atmospheric pollutants over the Emirate of Abu Dhabi a detailed analysis is performed by utilizing three years of simultaneous measurements of various gaseous pollutants such as SO | Assessment of atmospheric constituents over EAD region for the first time. Transport of atmospheric pollutants is observed to be from north westerly direction. Linear relationship is observed between ozone and temperature. |
S1364682620300377 | This study aims to investigate the behaviors of the potential earthquake precursors such as Total Electron Content daytime nighttime Land Surface Temperature and aerosols before and after the 2013 Mw 7.7 Awaran earthquake . TEC values were obtained from Global Positioning System measurements and LST and aerosol values ... | GPS TEC daytime nighttime LST and MODIS aerosols were examined considering Sep 24 2013 Pakistan Earthquake. TEC anomalies were identified 3 days and 5 days before the earthquake. Different anomalous days of LST were observed from three regions of interest. The anomaly in AOD values was observed 5 days after the earthqu... |
S1364682620300389 | We analyze fluctuations of the magnetic field in the solar wind registered by the ACE satellite in the L1 Lagrangian point and the ULF waves observed with ground magnetometers at high middle and low latitudes during 84 intense substorm events . Our goal is to establish possible connections between ULF oscillations obse... | We perform statistical analysis of the ULF waves detected during substorms in the solar wind and on the ground at high mid and low latitudes. We found that in 28 out of 84 considered substorm events the waves with almost the same frequency. mHz were detected in all locations. ULF waves with frequencies 0.450.55mHz and ... |
S1364682620300390 | In the theory of wave propagation in near Earth space there is a long standing but still unsolved problem this is the problem of whistler exit to the ground after passing through the magnetospheric trajectory . Snells law forbids exit of a wave to the ground if the angle between the wave normal and the vertical is outs... | Whistler reflection from the ionosphere and exit to the ground has been studied. The features of the process are revealed in the frame of a non stationary 2D problem. Equation for the EM field vector potential valid in plasma and in vacuum is derived. Its numerical solution with initial conditions as a localized wave p... |
S1364682620300419 | The influence of a certain type of tropospheric factors on the appearance and formation of noctilucent clouds at mid latitudes is studied by utilizing a method of construction and analysis of synthetic weather maps . The method is based on a cartographic comparison of satellite images of large fields of noctilucent clo... | Analysis of satellite images noctilucent clouds and weather maps is proposed. A link between the formation of noctilucent clouds and weather processes is shown. The influence of tropospheric processes can be explained by internal gravitational waves. |
S1366554518300218 | In this paper we study a shore power deployment problem in a container shipping network . The aim of the problem is to develop a subsidy program for a government that achieves the utmost reduction of at berth emissions from ships in the network . We formulate the problem as a mathematical model that captures the involv... | Propose a novel shore power deployment problem for government. Prove the problem is NP hard. Propose a labeling algorithm that solves the problem to optimality. |
S1366554518300656 | Emergency supply of blood in disasters is a crucial task for humanitarian aid . In this paper we present a bi objective robust optimization model for the design of blood supply chains that are resilient to disaster scenarios . The proposed two stage stochastic optimization model aims at minimizing the time and cost of ... | A bi objective two stage robust optimization model is proposed for the design of resilient blood supply chains. It aims at minimizing the time and cost of delivering blood to hospitals after a disaster. It considers stochastic disruptions in collection centers blood banks and transportation routes. A Lagrangian relaxat... |
S1366554518304538 | To derive conditions for manufacturer and retailer to implement trade in policies voluntarily and identify the optimal channel format for trade in we construct traditional retail channel model and dual channel model under two scenarios without trade in and with trade in . We find that the retailer would implement trade... | The traditional retail models and the dual channel models with without trade in are constructed. We examine the conditions for manufacturer and retailer to implement trade in policies voluntarily. We identify the optimal channel choice for implementing trade in policies. |
S1366554518310639 | This study investigates a problem regarding simultaneous allocations of berths quay cranes and yards in transshipment hubs . Transshipment and import export activities general quay crane assignment decisions and productivity losses incurred by quay crane interference are considered . A mixed integer programming model i... | Study integrated model for discrete berth allocation quay crane assignment and yard assignment problem. Consider both transshipment activities and import export activities. An iterative heuristic is developed to solve the model on large scale instances. Computational experiments are conducted to verify the effectivenes... |
S1366554518311086 | In this study we propose a new schedule based itinerary choice model the mixed itinerary size weibit model to address the independently and identically distributed assumptions that are typically used in random utility models and heterogeneity of passengers perceptions . Specifically the Weibull distributed random error... | A model is developed for both stochastic passenger assignment and train scheduling. The mixed itinerary size weibit model is applied to the passenger assignment module. An iterative method is introduced to efficiently solve the resultant model. The model is tested on a real world high speed railway network in Southern ... |
S1366554518311256 | Navigation via the Northern Sea Route requires specific vessels in comparison with the Suez Canal Route . We develop a profit decision model that defines the best option mixing the shipping lane and the ice class of the vessel for oil producers operating in the Russian Arctic zone . The effects of the Brent barrel pric... | Sailing though the NSR versus the SCR saves distance but not always time. OW 1A and 1AS ice class vessels do not have the same level of revenue. Ice thickness impacts directly the navigability of the NSR. Brent value and bunker cost impact the choice of the vessel. The best option depends on the strategy based on clima... |
S1366554518313115 | We review recent studies on transportation network performance under perturbations . Three representative concepts relating to network performance are covered reliability vulnerability and resilience . With an overview of the definitions and the quantitative indices of these three concepts we analyse and compare their ... | Review recent studies on reliability vulnerability and resilience of transportation network. Definitions quantitative indices and analyses of the three concepts are overviewed. The characteristics of and the relationship among the three concepts are investigated. We provide remarks on the foci measurements and applicat... |
S1366554518314285 | This study investigates a joint optimisation of routing and truck deployment for a small package shipping company . Bus tour based services are provided to collect express packages at customer bases . The objective of the optimisation problem is to minimise the average waiting time for packages stored at the customer b... | A joint routing and truck deployment problem for small package shipping company. A mixed integer nonlinear programming model is proposed. A local branching based method and a particle swarm optimisation based method. Experiments are conducted to demonstrate the effectiveness of the methods. |
S1366554518314753 | This paper considers a bi modal traffic corridor with a highway and a transit line where car available travelers tend to be more sensitive to crowding than car unavailable travelers in transit vehicles . Modal spilt and departure time choices of heterogeneous travelers are considered . Two capacity design problems name... | Traffic corridor highway vs. transit for travelers with without cars is studied. Critical values of transit capacity are derived for a bi modal traffic corridor. Highway and transit mode can be both complementary and substituting. Jevons paradox exists when transport technology improvement is considered. |
S1366554519300754 | Emergency medical services systems equipped with both advanced and basic emergency vehicles often dispatch both types of vehicles to one call which is called multiple response . Multiple response allows for faster response times at the potential cost of making more vehicles unavailable for service . To evaluate the val... | We study how to route ambulances to patients. There are two types of ambulances that provide different levels of patient care. At the time of dispatch there is uncertainty regarding which type of ambulance a patient needs. We study when to send a single ambulance and when to send multiple ambulances. The model can info... |
S136655451930081X | The Vehicle Routing Problem with Selective Backhauls aims to minimize the total routing costs minus the total revenue collected at backhaul customers . We explore a VRPSB under uncertain revenues . A deterministic VRPSB is formulated as a mixed integer programming problem and two robust counterparts are derived . A nov... | A VRPB under uncertainty is analyzed for first time. Four different methods are compared to estimate probability of constraint violation. An efficient metaheuristic provides high quality solutions for large instances. |
S1366554519301462 | This paper studies a multi customer joint replenishment problem with districting consideration which is of particular importance to a company that outsources its transportation and delivery operations to a third party logistics service provider . To solve the problem we first propose an innovative search algorithm for ... | Districting consideration is successfully integrated with the multi customer JRP. This study is vital to a company outsourcing logistics to a 3PL service provider. Our numerical experiments are based on a real life example in a bank system. An effective GA based algorithm is proposed for solving the problem. Managerial... |
S1366554519301486 | This study investigates a multi depot multi trip vehicle routing problem with time windows and release dates which is a practical problem in the last mile distribution operations . This problem aims to design a set of trips for the fleet of vehicles supplied by different depots for minimizing total traveling time . It ... | A multi depot multi trip vehicle routing problem with time windows and release dates. An MIP model with the objective of minimizing the total traveling and service time. Solve some large scale instances with up to 200 customers 20 depots and 40 vehicles. |
S1366554519301784 | In this paper we address a green delivery pickup problem for Home Hemodialysis Machines categorized as scarce commodities . The system supplies the HHMs either from the central depot of the company or from the individual owners . Based on the sharing economy concept the individuals who own the HHM devices can involve i... | Integrating the sharing economy concept into the green delivery pickup problem. System cost and GHG emissions are simultaneously minimized by a bi objective model. A real case from the healthcare sector shows the applicability of the model. A self learning NSGA II is developed to solve the proposed bi objective model. ... |
S1366554519301838 | This paper envisions a mixed network with autonomous vehicle expressways and non autonomous local streets in the future where a trip may consist of both the AV self driving part and the manual driving part . A linear traffic corridor approach is adopted where AV expressways and non autonomous streets are in parallel an... | This paper envisions a mixed network with AV lanes and non autonomous local streets. This paper models AV route choices under both User Equilibrium and System Optimum. This paper derives cordon based tolling schemes to achieve System Optimum. This paper explores how AV expressways should be integrated with local street... |
S1366554519302005 | This study investigates a supply chain financing system with one supplier and one emission dependent and capital constrained manufacturer . Unlike the traditional SCF the manufacturer borrows two loans to execute the ordering decision and make a low carbon investment respectively . We derive the equilibrium strategies ... | Investigate an emission dependent supply chain with capital constraint. Consider partial credit guarantee PCG and TPCG combine trade credit with PCG . Derive equilibrium strategies under a benchmark and the two financing schemes. Find that supplier prefers to provide trade credit when credit guarantee is higher. |
S1366554519302406 | The joint optimisation of investments in capacity and repair capability of production and logistics systems at risk of being damaged is an important aspect of supply chain resilience that is not sufficiently addressed by state of the art modelling approaches . Furthermore logistical issues of procuring repair resources... | Joint optimisation of supply chain capacities repair capabilities supply chain operations and repair resource logistics. Scenario tree generation method considering the risk of failure propagation. Multi stage stochastic programming model for initial network capacities and dynamic network flows. Case study quantifying ... |
S1366554519302662 | We consider the storage space allocation problem at an inland bulk stockyard which aims to find an effective way to store the shapeless materials . Due to the specific storage and handling means in the stockyard unloading stacking and reclaiming operations need to be scheduled in an integrated manner . Viewing the spac... | An exact method for the storage space allocation problem in bulk material stockyards. A novel MIP formulation tackles the practical challenge of avoiding scattered small fields. Logic based Benders approach based on exploitation of operation relationships. Proposed method effectively solve realistic problem in short ti... |
S1366554519302789 | This paper investigates the effect of carbon tariffs on global emission control . We propose a global supply chain model consisting of a retailer in an emission regulated country and supplier in a non emission regulated country . The equilibrium solutions are obtained and the effects of a carbon tariff on global emissi... | The effect of carbon tariffs on global carbon emission control is examined. Two specific strategic responses of supply chain managers are explicitly considered. Charging a carbon tariff does not necessarily reduce global emissions. Managerial implications for policymaking are presented via a numerical study. |
S1366554519303552 | We consider a freight transportation network model in which we can send goods with or without bundling . When we choose the bundling option we can send multiple goods after grouping into a bundle at the cost of one unit good however bundling and unbundling also incur costs . The model was originally developed to solve ... | Analyze the computational complexity of the FTNPB on an arbitrary network. Develop an efficient heuristic for solving the FTNPB on an arbitrary network. Carry out intensive computing experiments to test our heuristic. Extend the model to the case where arbitrary number of flows can be bundled up to a given limit. |
S1366554519303722 | We extend the Traveling Repairman Problem by assuming a single truck which can stop at customer locations and launch drones multiple times from each stop location to serve customers . The problem is mathematically modeled several bound analyses are conducted to determine the maximum possible improvements in customer wa... | We model a joint routing problem of a truck with one or multiple drones. We conduct several theoretical bound analyses on maximum possible savings. We develop a hybrid metaheuristic approach based on Simulated Annealing and Tabu Search to solve the problem. We assess the performance sensitivity of this system to a numb... |
S1366554519303734 | The rise of e commerce has increased the demands placed on pickup and delivery operations as well as customer expectations regarding the quality of services provided by those operations . One strategy a logistics provider can employ for meeting these increases in demands and expectations is to complement and coordinate... | We discuss the time dependent profitable pickup and delivery problem. We introduce an ALNS heuristic to solve this problem. To reduce computation time a simple and approximate route evaluation is employed. We show that large size instances can be solved within a relatively short CPU time. This study discuss the effect ... |
S1366554519303886 | We study blood supply network optimization considering disasters where only a small number of historical observations exist . A two stage distributionally robust optimization model is proposed in which uncertain distributions of blood demand are described by a moment based ambiguous set to optimize blood inventory prep... | A stochastic blood supply network optimization considering disasters is studied. A novel distributionally robust model with integer recourse is formulated. A tractable approximate reformulation of min max min problems is proposed. A case study for the Longmenshan Fault in China is performed. Findings and managerial imp... |
S136655451930403X | A railway system plays a significant role in countries with large territorial dimensions . The Brazilian rail cargo system however is focused on solid bulk for export . This paper investigates the extreme performances of BRCS through a new hybrid model that combines TOPSIS with a genetic algorithm for estimating the we... | The paper investigates the efficiency of the Brazilian Rail Cargo System. The methodology combined TOPSIS with a genetic algorithm to build optimized scenarios. The significant attributes in scenarios of low and high performance were highlighted. Transport of any kind of cargo and shared railway are significant for the... |
S1366554519304053 | By focusing on several critical speeds this paper proposes a simple and applicable method to seek the optimal speed for carriers . The results show that carriers will reduce ship speed if the saved fuel cost outweighs the incurred capital and operating costs . The measure of critical fuel prices at different critical s... | A simplified method by focusing on several critical speeds to seek the optimal speed for carriers is provided. The paper shows that slow steaming can definitely reduce fuel consumption and the resulting GHG emissions. Adding ships and calling extra ports can be an optimal strategy for carriers in doing slow steaming. T... |
S1366554519304107 | We consider duopoly competition among transportation firms operating on a multi segment route and analyze the welfare consequences of different market structures in serial and parallel transport network structures . Travellers are concerned with both price and latency and may opt to avoid travel in the system altogethe... | We analyze the welfare consequences of serial and parallel transport network structures. We derive equilibrium for duopoly monopoly price free and social optimum scenarios. As extensions we consider operating costs more than two firms and hybrid structures. Compared to serial structure parallel structure leads to a hig... |
S1366554519304156 | Knowledge of spatial distributions of weight categorized truck flows in a region is critical to the understanding of movements of empty or partially loaded trucks and devising appropriate strategies to reduce empty or partially loaded truck flows and improve truck utilization efficiency in the region . However such dis... | Propose an optimization procedure to estimate weight categorized truck counts. Demonstrate an easy to use method for integrating freight datasets. Conduct a case study to estimate weight categorized truck counts in Florida. Explore scenarios to derive appropriate weightages for the optimization model. |
S1366554519304326 | Delivering commodities by ground vehicles to people in conflict zones risks the safety of humanitarian aid workers . Hundreds of aid workers are killed injured or kidnapped when delivering supplies on the road each year . We propose the humanitarian flying warehouse as a solution to these issues . The HFW is an airship... | Proof of concept study for HFW system in conflict zones. Multi objectives model with the consideration of humanitarian principles. Epsilon constraint method is used to address conflicting objectives. The model is applied to the case study based on northeast Syria. Comparative analysis between HFW system and ground base... |
S136655451930448X | In this paper we consider supply chain coordination with a revenue sharing contract and a linear quantity discount contract in a fashion supply chain with demand disruptions . The situation without demand disruptions is considered as the benchmark . In the benchmark we find that the RSC fails to coordinate the supply c... | The RSC fails to coordinate the supply chain while the LQDC does under benchmark. The two contracts cannot fully coordinate the supply chain with demand disruptions. The LQDC coordinates the supply chain when demand increases or decreases greatly. The RSC can coordinate the supply chain when the demand increases slight... |
S1366554519304636 | Green products are gaining popularity because of their environmental friendliness compared with conventional products . This study examines a word of mouth diffusion problem of a newly launched green product and investigates the effects of consumers environmental awareness . Analytical results show that CEA significant... | We study a WOM diffusion problem of a new and innovative green product. Pricing strategies are proposed to help firms to diffuse green products. Green product diffusions in Bertrand competition and Stackelberg game markets are studied and compared. Green product design strategies are investigated for green product diff... |
S1366554519304806 | The paper studies a closed loop supply chain focusing on managing scheduling and routing problems to achieve economical and environmental sustainability . Generally a logistic based green supply chain is studied to help multiple stakeholders . Here we investigate the CLSC to reduce the total transportation cost includi... | Considers a novel closed loop supply chain with heterogeneous fleet. Develops and analyses carbon emission regulations mandated by Government. Analyses the conflict between transportation cost and carbon emission cost. Evaluates the performance of the multi objective model with a case study. |
S1366554519304855 | In this paper we propose a discrete model to investigate reliable location design with round trip transportation under imperfect information . The unique feature of this problem is that under each disruption scenario a customers outbound and inbound trips are different when she travels to obtain a service . The discret... | Consider round trip transportation and the optimal try and error visiting strategy in reliable location design. Formulate a compact model for reliable location design with round trip transportation and under imperfect information. Propose an efficient customized solution approach based on Lagrangian relaxation. Compare... |
S1366554519304909 | The third party platform channel has been widely used in addition to the traditional retail channel to sell products . In practice some third party platforms provide financing services to small businesses that sell products on them . However few studies addressed the capital constraint problem faced by a manufacturer w... | The 3PF strategy is always better than the BF strategy. RF is more likely to be better than 3PF as the channel competition increases. 3PF is more likely to be preferred as the revenue sharing rate or unit production cost increases. Financing behavior affects the revenue sharing rates impact on retail price. |
S1366554519305678 | This study proposes an efficient deviation path algorithm for finding exactly k shortest simple paths without loops in road networks . The algorithm formulates the deviation path calculation process as repeated one to one searches for the shortest path in a dynamic network where only a node and a link are restored at e... | Efficient algorithm is proposed to find k shortest simple paths in road networks. A reoptimization technique lifelong planning A is incorporated to speed up the deviation path calculation process. The deviation path can be efficiently calculated by reusing the shortest path tree generated at the previous search. The pr... |
S136655451930568X | This paper addresses an integrated relief network design problem for pharmaceutical items . The proposed bi objective model accounts for perishability of pharmaceutical items mobility of relief facilities and benefits from a cooperative coverage mechanism in designing the network . A minmax robust model is developed to... | Designing a pharmaceutical relief network under demand uncertainty and drugs perishability. Providing a framework agreement with suppliers using an option contract. Using a cooperative coverage mechanism for moving mobile pharmacies at post disaster. Developing a tailored minmax robust approach to deal with the demand ... |
S1366554519305915 | Space allocation problem in container terminals is one of the yard management challenges in short term planning however the impact of container reshuffling to the SAP is neglected in much of the literature as well as in real terminal planning . This study focuses on the SAP that accounts for container reshuffling where... | The impact of container reshuffling is integrated with space allocation problem. A simulation model is developed to capture the relations between the reshuffling factors. The impact of reshuffling is approximated by a high dimensional interpolation method. Empirical approaches are explored to solve the problem. Experim... |
S1366554519306477 | To improve the operational efficiency of e commerce warehouses multi location storage systems which means each stock keeping unit can be stored in multiple locations or a location can contain multiple stock keeping units have been developed and applied in practice . When orders are picked in a batch how to select the p... | Investigate order batch picking optimization problems from the perspective of storage system. Establish the order batch picking optimization model especially considering multi location storage systems. Propose an order batching optimization algorithm package to deal with multi scenarioproblems. Investigate the efficien... |
S1366554519306702 | Most vehicle routing approaches disregard the need to refuel fleets . However planners search for opportunities to refuel at lower prices even if counter intuitively distant fuel stations need to be visited . We propose a novel mathematical formulation and develop branch and cut and matheuristic algorithms to efficient... | A novel mathematical formulation considers different fuel prices in vehicle routing. The objective function minimizes the cost of fuel purchased at several fuel stations. New branch and cut and metheuristic algorithms efficiently solve the formulation. Instances are solved to perform a sensitivity analysis over fuel re... |
S136655451930691X | We develop game theoretic models to examine the manufacturers vertical integration strategies in a three tier supply chain with two suppliers one manufacturer and two retailers . The supply chain sells two quality differentiated products . We find that when quality is exogenous regardless of the existing supply chain s... | We consider a three tier supply chain selling two quality differentiated products. The supply chain consists of a manufacturer two retailers and two suppliers. The manufacturers either forward or backward integration strategy is examined. Endogenous quality positioning changes the manufacturers integration strategy. We... |
S1366554519307033 | Many multinational companies operate their business in both domestic and overseas markets with different logistics modes namely freight transportation by truck for domestic and short haulage transshipment by container for overseas . To effectively optimize these operations for the two types of logistics systems we prop... | We propose an intelligent logistics system that serve both internal and external demands. We integrate internal and external transportation with separation mode. We formulate a mixed integer programming model to solve this new problem. We adopt a customized genetic algorithm to solve the MIP. |
S1366554519307252 | Focusing on the price issue in shared parking two auction based pricing strategies are designed in a double environment covering parking suppliers and demanders . A novel uniform price strategy is proposed to set unique transaction prices for winning participants it is in contrast with the differential price strategy w... | Rational and innovative uniform price strategy UPS for shared parking price. Comparison between proposed UPS and conventional differential price strategy DPS . Alternative options for policymaker with UPS and DPS in view of certain preference. |
S1366554519307859 | A multiple delivery points service that matches a vehicle to distribute goods from a merchant to multiple retailers is a novel and important business model in freight O2O platforms . Thus far the distribution matching strategy that does not consider the pricing strategy has found wide use in practice . In this study us... | Propose an optimal assignment matching strategy for a freight O2O platform. Jointly optimize the delivery route and pricing strategies for multiple delivery points service. Suggest HSLR strategy for high tier cities whereas and ST strategy for low tier cities. Explore the impact of customer segmentation on the selectio... |
S1366554519308385 | This paper comprehensively analyzes ships response strategy to emission control areas . By establishing mixed integer nonlinear programming models we obtain the optimal sailing pattern and evasion strategy selection . Furthermore the impacts of different factors on response strategy are discussed which deepens our unde... | Establish optimization models to obtain the optimal sailing pattern and evasion strategy. Quantitatively analyze the impacts of related factors on ships response strategy. Discuss the changes on ships evasion strategy selection before and after 2020. Analyze the impact of evasion strategy on ships pollution emissions. |
S1366554519308555 | Shipping industry is the backbone of global trade . However the large quantities of greenhouse gas emissions from shipping such as carbon dioxide CO | Propose a two stage model to predict and reduce fuel consumption for a dry bulk ship. Develop a random forest RF regressor for ship fuel consumption prediction. Develop a mixed integer linear programming MIP model to optimize ship sailing speed. 27 of fuel can be saved compared with the real situation of twelve days of... |
S1366554519308567 | New trade in services such as online trade in trade in on e commerce platforms and omni channel trade in are emerging due to the development of e commerce . To offer these new trade in services firms need to determine the optimal product price and rebate and decide whether to pay the rebate with a gift card or cash . T... | Explore optimal trade in rebate payment from gift card and cash payments. Study product prices and trade in rebates in the cases of two payments. No one payment is always better for firms and replacement consumers. Cash payment leads a lower trade in demand than gift card payment. The main results still hold in the cas... |
S1366554519308804 | High capital intensity and reliance on debt financing are among the most prominent characteristics of the shipping industry . The corporate finance literature has documented that beyond a certain threshold leverage can hamper a firms ability to raise capital and as a result have a bearing on its corporate investment po... | We examine the impact of financial leverage on corporate investment outcomes in the shipping industry. Deviations from abnormal leverage affect the likelihood of undertaking acquisition investments. Deviations from abnormal leverage are also linked to deal size and financing mode. Overleveraged firms make better acquis... |
S1366554519308816 | We examine the cash holding decisions of global shipping firms in response to a change in geopolitical risk . Our results show that shipping companies significantly increase their cash reserves after GPR rises . The positive impact of GPR is more pronounced for firms with greater financial constraints . A further analy... | Shipping companies significantly increase their cash reserves in response to higher geopolitical risk GPR . The impact of GPR to the shipping industry is significant relative to other sentiment indices. The impacts of GPR depend on firm characteristics and types of shipping firms. Listed shipping firms in Asian countri... |
S1366554519309408 | Organ allocation is the most important decision amongst organ transplantation decisions thanks to the high demand of organs . This research develops a possibilistic programming model for a liver transportation and allocation problem considering medical uncertainty and tradeoff between quality metrics namely efficiency ... | A possibilistic programming approach is proposed for a liver transportation and allocation. The proposed model considers medical uncertainty as well as tradeoff between quality metrics in organ transplantation. The model aims to maximize the survival rate deliberating the most urgent need for liver transplantation and ... |
S1366554519309524 | In the shipping industry forwarders can purchase a one stop service from an ocean shipping company or a dual ocean inland service from an OS company and an individual inland shipping company . Additionally the OS company can strategically decide whether or not to enter the downstream market for cargo canvassing which w... | Dual service purchasing and market entry problems are investigated. Dual service purchasing benefits the stakeholders. The market entry is a self interest behavior and hurts the forwarder. Mutual inhibition exists under the high effort level of cargo canvassing. Win win strategy and Pareto optimization are identified a... |
S1366554519309561 | Local and global economies are for many nations highly dependent on the import and export of goods . These goods are shipped through global intermodal freight land water transportation systems that rely on truck rail and maritime networks and their IM terminals . These terminals are crucial to creating and maintaining ... | Models for assessing and improving resiliency and reliability of port networks. Stochastic co opetitive formulations as stochastic Nash and Stackelberg games. Accounting for market interactions multiple hazards investments co opetition. Risk averse worst case and risk neutral expected value strategies. Stochastic centr... |
S1366554519309664 | This paper investigates green credit manufacture subsidy and sales subsidy modes in a supply chain with a capital constrained green manufacturer and attempts to find the win win subsidy mode . We show that when the bank loan is infinite and the total subsidies of different modes are equal GC can bring the highest retur... | A green supply chain with capital constrained manufacturer is considered. Green credit manufacture subsidy and sales subsidy are considered. Green operations strategy of supply chain is examined under various subsidy modes. Supply chain performances under various subsidy modes are compared. Useful managerial insights f... |
S1366554519309688 | Some creators in crowdfunding markets have recently employed deceptive advertising to overstate their product quality . We consider a model in which the policy maker would punish such false advertising when detecting it . Using a signaling framework we examine how deceptive advertising influences rational buyers purcha... | Prices play a supporting role in signaling quality and enhances the signaling effect of advertising. The regulation on deceptive advertising influences the informative effect of advertising. The high quality creator could have a higher success rate when its quality is unknown to consumers. The low quality creators dece... |
S1366554519309767 | This paper proposed an IoT based intelligent logistics dispatching system which enables dynamic coordination between customers order picking robots and cloud technology . This system includes three layouts the framework structure of intelligent dispatching platform based on an IoT environment the multi objective optimi... | An IoT based intelligent dispatching to eliminate customers package pick up time. A multi objective model using MAKLINK theory Dijkstras algorithm and ant colony. IoT infrastructure and methodology to make enterprises logistics more intelligent. |
S1366554519309871 | Given economic and environmental benefits closed loop supply chain has been attracting the attention of scholars and governments around the world . Considering dynamic changes and long term development this paper first constructs a dynamic CLSC model inspired by disease transmission model from the perspective of supply... | From the systems perspective a dynamic model of closed loop supply chain inspired by disease transmission model is proposed. The optimal solutions to maintain system balance are obtained. The performance of closed loop supply chain system under different product quantity characteristics is analyzed. A numerical experim... |
S1366554519309913 | The sensitivity of the pass through ratio of the added costs due to the enforced sulfur emission cap of liner shipping as extra fare for shippers and rail operation frequency on the competitiveness of China Europe railway express and liner shipping for cargo transportation between China and Europe is analyzed . The obj... | The liner shipping and China Europe Railway express between China and Europe are targeted. The enforced sulfur emission convention of the IMO is taken as the background. The added cost of liner shipping companies due to the adoption of the measures is estimated. Transported commodities between China and Europe are clus... |
S1366554519310099 | Forward Freight Agreement is used by shipping market players for hedging . We evaluate the hedging performance of the FFAs by comparing the conventional approach of minimum variance with the quantile regression . The quantile hedge ratios tend to be different from the conventional one indicating the possibility of over... | Forward Freight Agreement FFA has been used for risk hedging. We use quantile regression to evaluate the hedging performance of FFAs. The conventional approach could render over or under hedge. The FFA of one month horizon is more informative to the physical market. |
S1366554519310130 | By considering different regulations on retailers recycle responsibly we study a dominant retailers collection decision under upstream competition . The equilibrium collection model and effort are derived under different regulations . We find that the lenient regulation in the emerging markets is more likely to induce ... | Analyse dominant retailers incentives of undertaking used products collection in emerging markets with lenient regulation. Study the optimal prices and return effort in reverse supply chain. Examine forward and backward competitions in reverse supply chain. Specify the condition under which policymakers in emerging mar... |
S1366554519310233 | A cooperative advertising program is an incentive scheme in which a manufacturer shares its retailers local advertising costs . Such programs have received increasing academic attention in the past two decades . However the local media company as the agent of local advertising has been ignored by previous literature . ... | We propose the first co op model considering the role of local media company. In co op case the local media company charges the retailer a lower profit rate. The local media company takes co op programs with a differential pricing strategy. With the local media company some results about co op advertising do not hold. |
S1366554519310282 | In this paper we study the effects of introducing competition on supply chain systems and partner collaboration . We find that a system with internal competition obtains greater total profits higher effective CSR investment levels lower sales prices and a larger market share through no collaboration or only CSR investm... | Two systems are discussed to verify the value of introducing internal competition. Three types of collaboration intensity are analyzed and compared. The efficiency of supply chain members CSR investment is taken into decision models. The strategies about CSR investment are proposed to promote regional collaboration. |
S1366554519310324 | This paper proposes different network structures for a real liner shipping company to serve demands between Norwegian and European continental ports . The current practice of the shipping company deploys a feeder network where all routes depart from the European port . We study the impact of using a hub and spoke netwo... | Different network designs are studied for a liner shipping company. A feeder network design connects a major European port to local ports. A hub and spoke design allows transshipments at any local port. Both designs are modeled and solved based on realistic data. A discussion of which network design offering better cos... |
S1366554519310609 | This paper employs the tri variate Markov regime switching copula model to investigate the dynamic dependence between the shipping freight and stock markets . Stronger contemporaneous and bidirectional lead lag relationships between the two markets are detected in the contagion regime which however are weaker in the no... | The dynamic tri variate Markov regime switching MRS copula model is applied to examine contagion risk. A vector autoregressive VAR model is used to investigate the impact of the volume of the US China trade. A stronger dependence in the contagion regime is confirmed by the contemporaneous and lead lag relationships. |
S1366554519311081 | To the best of our knowledge this is the first paper to utilise a novel dynamic factor model to investigate the economic relationships between 65 commodity maritime transportation and financial markets under three different frequencies in a single methodological framework . The paper overcomes a limitation of the previ... | First time use of dynamic factor model investigating economic spillover effects. Crude oil prices are the leading economic indicator for commodity and freight rates. Commodities react faster to new market information and transmit it to freight markets. Freight rates react differently to corresponding commodity price mo... |
S1366554519311172 | The cordon based large truck restriction regulation makes large truck based cargo movement process interrupted because large trucks are deterred from moving into some specified areas within given time periods . As a result cargoes carried by a large truck need to be transferred from the large truck to small ones at a f... | Investigate multiple equilibrium behaviors in the context of implementing CBLTRR. Propose a freight demand redistribution mechanism in presence of CBLTRR. Formulate a GNE model to characterize multiple equilibrium behaviors under CBLTRR. Explore multiple equilibrium behaviors with mixed strategy and propose a restricte... |
S1366554519311202 | This study focuses on the transformation of logistics centers in Industry 4.0 . Aim is to reveal the important criteria for logistics centers in Industry 4.0 by considering link to traditional logistics centers practices and proposing a framework for new logistics centers . Initially literature review to reveal criteri... | Focus is on transformation of logistics centers in Industry 4.0. Traditional logistics center operations are linked to Industry 4.0 technologies. Fuzzy DEMATEL is used as methodology. A framework for Logistics Center 4.0 is proposed. |
S136655451931124X | This paper investigates a barge evacuation planning problem that can arise during land reclamation projects . The problem was motivated by the issue faced in actual practice by the Hong Kong International Airport . In this problem a fleet of heterogeneous barges working at an offshore land reclamation site needs to be ... | We study the barge evacuation planning problem that arises in real situations. We present a Mixed Integer Programming model for the problem and prove that the problem is strongly NP hard. We propose a tailored heuristic algorithm to solve the problem. Computational experiments show that our proposed method is effective... |
S1366554519311445 | Consumers are usually uncertain about the product value in the online channel . They may feel disappointed if the outcome is worse than their prior expectation . This paper explores the effect of consumer disappointment aversion on the online sellers decisions about pricing ordering and quick response where the seller ... | The impact of disappointment aversion on quick response of online sellers is examined. Consumers disappointment aversion may have a negative effect on quick response. The seller can benefit from disappointment aversion under a full refund policy. The optimal refund policy depends on disappointment aversion and salvage ... |
S1366554519311457 | We consider a luxury supply chain in which one Stackelberg manufacturer sells products to consumers through a retailer . Driven by exclusivity or conformity consumers are classified as either snobs or conformists with uncertain preferences about the product . The manufacturer can obtain a private signal on this prefere... | Social influence on market targeting strategies for a luxury supply chain is examined. Manufacturer is more informative than retailer on consumers valuation on product. Manufacturers market targeting strategies are examined under asymmetric information. Manufacturer may be worse off by sharing its information with reta... |
S1366554519311688 | With the rise of cross border e commerce the third party forwarding logistics service becomes increasingly popular . Different from the traditional third party logistics service the 3PFL company provides forwarding services cost effectively by consolidating orders from different e tailers platforms . The random arrival... | Optimize capacity allocation for cross border e commerce related 3PFL operations. Propose a deep learning model for one step intelligent optimal decision making. Quantify demand uncertainty in real time for end to end logistics service demand management. Construct a real case study and illustrate the effectiveness of t... |
S1369527420300059 | Bacterial gene regulation occurs through complex networks wherein linear systems respond to intracellular or extracellular cues and engage on vivid crosstalk . The ubiquitous water borne bacterium | small molecule signaling comprises the quorum sensing autoinducer LAI 1 and c di GMP. quorum sensing and c di GMP signaling regulate motility virulence natural competence and biofilm architecture. The pleiotropic transcription factor LvbR links the Lqs system and c di GMP signaling. Nitric oxide exogenously controls th... |
S1369527420300060 | Gene duplication facilitates the evolution of biological complexity as one copy of a gene retains its original function while a duplicate copy can acquire mutations that would otherwise diminish fitness . Duplication has played a particularly important role in the evolution of regulatory networks by permitting novel re... | MarR family transcription factors MFTFs are ancient regulatory proteins predating the divergence of Archaea and Bacteria. Gene duplication has accommodated the adaptation of MFTFs to multiple regulatory functions. Allosteric inhibition by small aromatic molecules confers MFTF responsiveness to environmental and physiol... |
S1369527420300096 | Pyrin is an inflammasome sensor in phagocytes that is activated in response to bacterial toxins and effectors that modify RhoA . Pathogen effector triggered pyrin activation is analogous to an indirect guard mechanism in plants . Pyrin activation appears to be triggered when RhoA GTPases in a host cell are prevented fr... | The pyrin inflammasome is triggered in response to RhoA inactivation. Bacterial effectors and toxins that inactivate RhoA vary in mechanism. Pyrin induced inflammation protects against systemic bacterial infection. Familial Mediterranean Fever is caused by mutations in the pyrin gene. Selective pressure by plague may h... |
S136952742030014X | Transition metals from manganese to zinc function as catalytic and structural cofactors for an amazing diversity of proteins and enzymes and thus are essential for all forms of life . During infection inflammatory host proteins limit the accessibility of multiple transition metals to invading pathogens in a process ter... | Maintaining cellular metal bioavailability is a tightly regulated process. Host mediated metal sequestration via calprotectin may result in multi metal restriction. The bacterial response to metal starvation involves intricate regulatory networks. Metal starvation elicits significant crosstalk among metallostasis syste... |
S1369527420300163 | The repertoire of microbial cues monitored by animal and plant tissues encompasses not just molecules but also microbial activities . These include typical pathogen strategies of injuring membranes degrading cellular material and scavenging resources . These activities however are not exclusive to pathogens . Instead t... | Hosts monitor their resident Microbial Associated Competitive Activities MACAs . MACAs target cellular vulnerabilities common to prokaryotic and eukaryotic cells. Hosts deploy MACA mimics to control resident microbes and invading pathogens. Host sensing of MACAs regulates tissue programs of defense repair and growth. H... |
S1369527420300175 | forms single and mixed species biofilms on both tissue and medical devices in the host often under exposure to fluid flow giving rise to infections that are recalcitrant to treatment . The factors that drive enterococcal biofilm formation in the host however remain unclear . Recent reports in other pathogens show how s... | Surface sensing in bacteria triggers adaptation to a sessile lifestyle. Fluid flow and tissue topography affect autoinducer levels and quorum sensing. Bifunctional factors in bacteria promote biofilm and compromise opsonization. Inability of neutrophils to phagocytose biofilms triggers NETosis. Polymicrobial interactio... |
S1369527420300187 | Chronic infections often contain complex polymicrobial communities that are recalcitrant to antibiotic treatment . The pathogens associated with these infectious communities are often studied in pure culture for their ability to cause disease . However recent studies have begun to focus on the role of polymicrobial int... | Spatial heterogeneity in the lung environment can influence microbial interactions. Context dictates shifts between cooperative and competitive microbial interactions. interacts with bacteria fungi and viruses in infection. The outcome of these interactions can shape disease progression within the host. |
S1369527420300217 | Intestinal helminth parasites present major challenges to the welfare of humans and threaten the global food supply . While the discovery of anthelminthic drugs empowered our ability to offset these harms to society the alarming rise of anthelminthic drug resistance mitigates contemporary efforts to treat and control i... | We need new tools to mitigate the harm posed by anthelminthic drug resistance. Evidence links the gut microbiome to helminthic infection and its outcomes. The gut microbiome may mediate infection and define infection sensitivity. Future research should determine if the gut microbiome could encode novel therapeutics or ... |
S1369527420300242 | Proteins that regulate transcription often also play an architectural role in the genome . Thus it has been difficult to define with precision the distinctions between transcription factors and nucleoid associated proteins . Anachronistic descriptions of NAPs as histone like implied an organizational function in a bact... | Addresses the nature of the distinction between bacterial transcription factors and nucleoid associated proteins. Proteins lie along a spectrum of influence extending from highly specific to very pervasive effects on gene expression. Uses the BldC protein from. as an example. BldC is compared with Xis the excisionase D... |
S1369527420300254 | Infections caused by antibiotic resistant bacteria are a major threat to public health . The pathogens causing these infections can acquire antibiotic resistance genes in a process termed horizontal gene transfer . HGT is a common event in the human gut microbiome that is the microbial ecosystem of the human intestinal... | The human gut microbiome harbours antibiotic resistance genes the resistome . Antibiotic resistance genes can spread in the gut microbiome through horizontal gene transfer HGT . The best characterised mechanisms of HGT in the human gut microbiome are transduction and conjugation. Novel bioinformatic and experimental ap... |
S1369527420300266 | Chronic infections place a significant burden on healthcare systems requiring over 25 billion in treatment annually in the United States alone | Quorum sensing is frequently lost or downregulated in chronic infection. Interactions often lead to increased antibiotic tolerance and disease severity. Spatial organization of microbes in an infection influences their interactions. Polymicrobial interactions have not been demonstrated in most human infections. |
S136952742030028X | is an opportunistic pathogen that normally colonizes the human anterior nares . At the same time this pathogen is one of the leading causes of life threatening bloodstream infections such as sepsis and endocarditis . In this review we will present the current understanding of the pathogenesis of these invasive infectio... | Phagocytes play both protective and detrimental roles in containing bloodstream. hijacks the host coagulation system and uses it to bind host endothelium. Strategies used by. to cause host damage are highly strain dependent. Multiple regulatory systems control. bloodstream infections including Agr ArlRS and MgrA. |
S1369527420300291 | Since the initial discovery of bacterial nucleotide second messengers we have made huge progress towards understanding these complex signalling networks . Many NSM networks contain dozens of metabolic enzymes and binding targets whose activity is tightly controlled at every regulatory level . They function as global re... | Structural analysis of NSM regulators reveals new mechanisms of NSM signalling. NSM proteins binding multiple ligands support crosstalk between signalling networks. NSM networks control structure and heterogeneity in complex microbial communities. The diversity of bacterial NSM regulators is far higher than previously ... |
S1369527420300308 | An overarching theme of cellular regulation in bacteria arises from the trade off between growth and stress resilience . In addition the formation of biofilms contributes to stress survival since these dense multicellular aggregates in which cells are embedded in an extracellular matrix of self produced polymers repres... | Growth versus maintenance resilience is the overarching theme of cellular regulation. Why transition to multicellularity is integrated into the growth versus survival framework. The large scale architecture of biofilms reflects growth versus survival transitions in 3D space. Sigma factors and transcription factors as t... |
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