publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
|---|---|---|---|
2020-07-01 | Abstract The plastic flow behavior of tensile specimens of ultrafine-grained 08G2B steel prone to strain aging was studied using digital image correlation, electron backscatter diffraction, and microindentation. Standard flat tensile specimens were tested with a constant strain rate in the initial state (after controll... | Plastic Flow in a Chernov–Luders Band in Ultrafine-Grained
08G2B Steel | 10.1134/S1029959920040086 |
2020-07-01 | The aim of this study was to assess the effects of IL-6 and IL-8 cytokines on human gingival fibroblasts (HGF) cultured in a 3-D model and the possible photobiomodulation (PBM) of such effects by low-level laser therapy. In complete culture medium (DMEM), HGF from a healthy patient were seeded in a type I collagen matr... | Photobiomodulation of inflammatory-cytokine-related effects in a 3-D culture model with gingival fibroblasts | 10.1007/s10103-020-02974-8 |
2020-07-01 | This study aimed to investigate the anti-inflammatory effects of different dosage of low-level laser therapy (LLLT) in an experimental model of temporomandibular joint (TMJ) arthritis. One hundred male Wistar rats were used and divided into the following groups: CG, control group; AG, animals group with left TMJ arthri... | Photobiostimulation activity of different low-level laser dosage on masticatory muscles and temporomandibular joint in an induced arthritis rat model | 10.1007/s10103-019-02933-y |
2020-07-01 | To find out the effect of reducing energy intake during dry period on milk production, udder health, and body condition, the experiment was conducted on 14 Jersey crossbred cows during whole dry period and continued up to 120 days of lactation. Reduction in energy intake was done during far-off period for each dry cow ... | Effect of reducing energy intake during the dry period on milk production, udder health, and body condition score of Jersey crossbred cows in the tropical lower Gangetic region | 10.1007/s11250-019-02191-8 |
2020-07-01 | This article presents the low-power ternary arithmetic logic unit (ALU) design in carbon nanotube field-effect transistor (CNFET) technology. CNFET unique characteristic of geometry-dependent threshold voltage is employed in the multi-valued logic design. The ternary logic benefit of reduced circuit overhead is exploit... | Energy-Efficient Ternary Arithmetic Logic Unit Design in CNTFET Technology | 10.1007/s00034-019-01318-4 |
2020-07-01 | The reconstructive techniques have been widely used in Veterinary Medicine. The post-operative adjuvants therapies like the low-level laser therapy (LLLT) are used to decrease inherent complications to reconstructive surgeries. This article purposed to define the LLLT effects on the healing, inflammation, and vasculari... | Evaluation of angiogenesis, inflammation, and healing on irradiated skin graft with low-level laser therapy in rats (Rattus norvegicus albinus wistar) | 10.1007/s10103-019-02917-y |
2020-07-01 | Cyclophosphamide (CP) is a nitrogen mustard alkylating agent with effective antineoplastic, immunomodulatory and immunosuppressive properties. Despite its vast therapeutic uses, it is known to trigger strict cardiac toxicity. The objective of the current study was to examine the protective role of metformin (MET) and/o... | Metformin and/or low dose radiation reduces cardiotoxicity and apoptosis induced by cyclophosphamide through SIRT-1/SOD and BAX/Bcl-2 pathways in rats | 10.1007/s11033-020-05582-5 |
2020-07-01 | Abstract Currently, a search for selective antagonists of luteinizing hormone (LH) receptor, which are required to suppress the steroidogenesis in hormone-dependent tumors and to prevent the ovarian hyperstimulation syndrome, is carried out. One approach to tackle this problem is the development of low-molecular-weight... | Low-Molecular-Weight Ligands of Luteinizing Hormone Receptor with the Activity of Antagonists | 10.1134/S1990747820030034 |
2020-07-01 | We report a case of acquired dysfibrinogenemia with monoclonal gammopathy of undetermined significance presenting λ -type IgA M protein. The patient showed lower functional (0.4 g/dL) and normal immunological fibrinogen (2.9 g/dL). To examine the cause of the false lower value of fibrinogen, we performed experiments us... | Acquired dysfibrinogenemia: monoclonal λ-type IgA binding to fibrinogen caused lower functional plasma fibrinogen level and abnormal clot formation | 10.1007/s12185-020-02874-1 |
2020-07-01 | Objective To observe the effect of electroacupuncture (EA) at Lower He-Sea points on the expression levels of interleukin-1β (IL-1β) in the serum and gallbladder tissues, and nuclear factor-κB (NF-κB) in gallbladder tissues of the guinea pigs with acute cholecystitis (AC), and to explore whether Yanglingquan (GB 34), t... | Effect of electroacupuncture at Lower He-Sea points including Yanglingquan (GB 34) on nuclear factor-κB and interleukin-1β in guinea pigs with acute cholecystitis | 10.1007/s11726-020-1184-x |
2020-07-01 | Abstract The composition, structure, and secondary alteration of the Lower Devonian sedimentary rocks are characterized; the distribution of various types of pore spaces is analyzed and several types of dolomite structures are distinguished. The results of our works indicate that, depending on the permeability, solubil... | Secondary Dolomitization as a Factor Responsible for the Reservoir Properties of the Lower Devonian Sedimentary Rocks of the Eastern Wall of the Khoreiver Depression (Timan–Pechora Petroleum Basin) | 10.3103/S014587522004016X |
2020-06-30 | Effects of high-pressure (HP) treatment on densification of poplar sapwood boards and subsequent coatings were evaluated. Tung oil (TO) and epoxy resin (ER)-coated treatments were used to improve the dimensional stability of HP-densified wood. The density of the wood after HP densification increased from 450 ± 50 kg/m ... | High-pressure densification and hydrophobic coating for enhancing the mechanical properties and dimensional stability of soft poplar wood boards | 10.1186/s10086-020-01892-1 |
2020-06-29 | Background The objective of this prospective, multicentre, observational cohort study was to evaluate the association between admission hypothermia and neonatal outcomes in very low-birth weight (VLBW) infants in multiple neonatal intensive care units (NICUs) in China. Methods Since January 1, 2018, a neonatal homogene... | Association between admission hypothermia and outcomes in very low birth weight infants in China: a multicentre prospective study | 10.1186/s12887-020-02221-7 |
2020-06-29 | Background Malaria and HIV are common infections in Africa and cause substantial morbidity and mortality in pregnant women. We aimed to assess the association of malaria with anemia in pregnant women and to explore the joint effects of malaria and HIV infection on anemia in pregnant women. Methods We used nationally re... | Associations of malaria, HIV, and coinfection, with anemia in pregnancy in sub-Saharan Africa: a population-based cross-sectional study | 10.1186/s12884-020-03064-x |
2020-06-28 | Rainfall and surface runoff are the two most important components, which control the groundwater recharge of the basin. The long-term groundwater recharge of an aquifer gets affected by the population growth, irregular agriculture activities and industrialization. Hence, estimation of rainfall-surface runoff is very mu... | Rainfall-surface runoff estimation for the Lower Bhavani basin in south India using SCS-CN model and geospatial techniques | 10.1007/s12665-020-09079-z |
2020-06-27 | Background For infants undergoing complex cardiac surgery, hemodynamic management after cardiopulmonary bypass (CPB) is challenging because of severe myocardial edema, vasomotor dysfunction and weak tolerance to a change in blood volume. More importantly, the lack of availability of equipment for advanced monitoring, s... | Severe low cerebral oximetry in difficult cardiopulmonary bypass weaning of low body-weight infant: a case report and literature review | 10.1186/s12871-020-01071-1 |
2020-06-26 | With the purpose of enhancing the photocatalytic activity of titania (TiO 2 ) coatings with low cost, a method of sulfuric-acid-bath pretreatment followed by simple oxidation in air has been proposed to fabricate TiO 2 coatings. The effect of oxidation temperature on the crystal structure, surface morphologies and phot... | Enhanced photocatalytic activity of titania coatings fabricated at relatively low oxidation temperature with sulfate-acid-bath pretreatment | 10.1007/s00339-020-03597-0 |
2020-06-24 | The World Health Organization and other institutions are considering Artificial Intelligence (AI) as a technology that can potentially address some health system gaps, especially the reduction of global health inequalities in low- and middle-income countries (LMICs). However, because most AI-based health applications a... | Artificial intelligence in health care: laying the Foundation for Responsible, sustainable, and inclusive innovation in low- and middle-income countries | 10.1186/s12992-020-00584-1 |
2020-06-23 | Experimental results of dynamic contact angle measurements of low salinity brine and combined low salinity water and surfactant flooding (LSW–SF) on silica surface are presented in this study. Dynamic contact angle experiments were carried out for four crude oil samples with low salinity brines and combined low salinit... | Dynamic wettability alteration for combined low salinity brine injection and surfactant flooding on silica surface | 10.1007/s42452-020-3094-4 |
2020-06-22 | Recently, reported perovskite solar cells (PSCs) with high power conversion efficiency (PCE) are mostly based on mesoporous structures containing mesoporous titanium oxide (TiO 2 ) which is the main factor to reduce the overall hysteresis. However, existing fabrication approaches for mesoporous TiO 2 generally require ... | In Situ-Formed and Low-Temperature-Deposited Nb:TiO2 Compact-Mesoporous Layer for Hysteresis-Less Perovskite Solar Cells with High Performance | 10.1186/s11671-020-03366-1 |
2020-06-15 | Since the novel coronavirus disease 2019 (COVID-19) has been identified in Wuhan, China, in the last week of December, the virus has spread across nations and continents affecting over 3 million people and putting the whole world to a halt. Nations across the globe went on lockdown in an attempt to contain the spread o... | Benin responds to covid-19: sanitary cordon without generalized containment or lockdown? | 10.1186/s41182-020-00235-6 |
2020-06-15 | Introduction Quality improvement in the administration of extracorporeal cardiopulmonary resuscitation (ECPR) over time and its association with low-flow duration (LFD) and outcomes of cardiac arrest (CA) have been insufficiently investigated. In this study, we hypothesized that quality improvement in efforts to shorte... | Shortening of low-flow duration over time was associated with improved outcomes of extracorporeal cardiopulmonary resuscitation in in-hospital cardiac arrest | 10.1186/s40560-020-00457-0 |
2020-06-15 | Background Mounting evidence suggested a complex correlation between host lipid metabolism and Toxoplasma gondii ( T. gondii ) infection. However, the inherent association between T. gondii infection and host lipid state remains elusive either in mice or in human hosts. Methods Through a study in a sample of 1045 healt... | The influence of exposure to Toxoplasma Gondii on host lipid metabolism | 10.1186/s12879-020-05138-9 |
2020-06-12 | Stormwater represents a major non-point pollution source at an urban environment. To improve the treatment efficacy of stormwater infrastructure, low-cost adsorbents have increasingly gained attention over the past decades. This article aims to briefly discuss several key aspects and principles for utilization of low-c... | Low-cost adsorbents for urban stormwater pollution control | 10.1007/s11783-020-1262-9 |
2020-06-12 | Background People with chronic low back pain (LBP) typically have increased pain sensitivity compared to healthy controls, however its unknown if pain sensitivity differs based on LBP trajectory at baseline or after manual therapy interventions. We aimed to compare baseline pressure pain threshold (PPT) and temporal su... | Pressure pain threshold and temporal summation in adults with episodic and persistent low back pain trajectories: a secondary analysis at baseline and after lumbar manipulation or sham | 10.1186/s12998-020-00326-5 |
2020-06-09 | Background Healthcare-associated infections (HAI) especially outbreaks of multi-drug-resistant organisms within hospitals are recognized as a major contributor to morbidity and mortality of hospitalized patients. The healthcare environment can act as an amplifier of HAI during outbreaks. The risk of acquiring HAI are 2... | Challenges regarding the control of environmental sources of contamination in healthcare settings in low-and middle-income countries - a narrative review | 10.1186/s13756-020-00747-0 |
2020-06-09 | Background An epidemiological transition is interesting Sub-Saharan Africa increasing the burden of non-communicable diseases most of which are of surgical interest. Local resources are far from meeting needs and, considering that 50% of the population is less than 14 years of age, Pediatric surgical coverage is specia... | Improving standard of pediatric surgical care in a low resource setting: the key role of academic partnership | 10.1186/s13052-020-00827-2 |
2020-06-08 | The longitudinal sound velocity ( V P ) and the density ( ρ ) of wüstite, FeO, were measured at pressures of up to 112.3 GPa and temperatures of up to 1700 K using both inelastic X-ray scattering and X-ray diffraction combined with a laser-heated diamond-anvil cell. The linear relationship between V P and ρ , Birch’s l... | The sound velocity of wüstite at high pressures: implications for low-velocity anomalies at the base of the lower mantle | 10.1186/s40645-020-00333-3 |
2020-06-05 | Background There is a steadily increasing quantity of silver nanoparticles (AgNP) produced for numerous industrial, medicinal and private purposes, leading to an increased risk of inhalation exposure for both professionals and consumers. Particle inhalation can result in inflammatory and allergic responses, and there a... | Quantitative biokinetics over a 28 day period of freshly generated, pristine, 20 nm silver nanoparticle aerosols in healthy adult rats after a single 1½-hour inhalation exposure | 10.1186/s12989-020-00347-1 |
2020-06-04 | Micro-physicochemical characteristics and low-temperature SCR activities of the Mn–Ce–Cr catalysts on different carriers were investigated with SEM, XRD, XPS, FTIR, and denitration experiments. Mn–Ce–Cr catalysts carried on TiO 2 and ZrO 2 , and composite carrier containing Al 2 O 3 and TiO 2 had visible element intera... | Study on Low-Temperature SCR Denitration Mechanisms of Manganese-Based Catalysts with Different Carriers | 10.1007/s11270-020-04644-5 |
2020-06-03 | Arc lower crust plays a critical role in processing mantle-derived basaltic melts into the intermediate continental crust, yet can only be studied indirectly or in exposed arc sections. Compared with the relatively well-studied oceanic arc sections (e.g., Kohistan and Talkeetna), the composition and formation mechanism... | Formation and composition of the Late Cretaceous Gangdese arc lower crust in southern Tibet | 10.1007/s00410-020-01696-y |
2020-06-03 | The Solar Heat Gain Coefficient (SHGC) is one of the energy loss factors in buildings, which affects a cooling load significantly. A variety of shading devices and high-performance windows have already been developed and applied to a large number of buildings to reduce a cooling load. However, performance evaluation on... | Study on SHGC Calculation and Measurement of Window Installed with Shading Device | 10.1007/s10765-020-02684-x |
2020-06-02 | The production of electrical energy has always been a subject of debate to fight against climate change and preserve natural resources. Several countries, including Morocco, have proposed ambitious policies to develop renewable energy sources of production in the short and medium term. The major problem of renewable so... | Optimal renewable resources mix for low carbon production energy system in Morocco | 10.1186/s42162-020-00105-9 |
2020-06-01 | Introduction The high-energy photon source, which has been built in Huairou, Beijing, has high requirements on magnetic field dithering. Magnetic field dithering is mainly determined by the stability of the output current of the power supply. In order to ensure the stability of the output current of quadrupole magnet p... | A precision ADC sampling system design | 10.1007/s41605-020-00168-y |
2020-06-01 | This study was aimed at investigating the effect of novel ultrasonic-microwave combined pretreatment on the three-dimensional (3D) printing quality of wheat starch-papaya system. In this study, microwave heating (MH) and ultrasonic- microwave combined heating (UMCH) were used as pretreatment in order to gelatinize the ... | Effect of Novel Ultrasonic- Microwave Combined Pretreatment on the Quality of 3D Printed Wheat Starch-Papaya System | 10.1007/s11483-019-09615-w |
2020-06-01 | Hollow glass microsphere (HGM) /organic silicon resin composite materials with different quantity of HGM were prepared by in-situ hydrolytic polymerization. The hydrolysis reaction of silicone resin was carried out at the same time with the surface treatment of HGM by the silane coupling agent. It has been found that H... | Preparation of Hollow Glass Microsphere/Organic Silicone Resin Composite Material with Low Dielectric Constant by In-Situ Polymerization | 10.1007/s12633-019-00234-1 |
2020-06-01 | This paper compares the techno-economic performances of three technologies for CO 2 capture from a lignite-based IGCC power plant located in the Czech Republic: (1) Physical absorption with a Rectisol-based process; (2) Polymeric CO 2 -selective membrane-based capture; (3) Low-temperature capture. The evaluations show ... | Techno-economic comparison of three technologies for pre-combustion CO2 capture from a lignite-fired IGCC | 10.1007/s11705-019-1870-8 |
2020-06-01 | Abstract The tensile curves of ultrafine-grained (UFG) aluminum structured by high pressure torsion (HPT) technique have been obtained at 4.2 and 77 K for the first time as well as the temperature dependence of its yield strength in the range 4.2–300 K. The analysis of the results in correlation with microstructure par... | Mechanical Properties of Ultrafine-Grained Aluminum in the Temperature Range 4.2–300 K | 10.1134/S1063783420060190 |
2020-06-01 | The promotion of China’s coal gasification industry has produced highly yielded coal gasification slag. This research utilized the coal gasification fine slag as raw material and successfully synthesized a carbon–silica composite mesoporous material with a specific surface area of 500 m 2 /g and pore volume of 0.54 cm ... | Low-Cost Route for Preparing Carbon–Silica Composite Mesoporous Material from Coal Gasification Slag: Synthesis, Characterization and Application in Purifying Dye Wastewater | 10.1007/s13369-020-04383-z |
2020-06-01 | Intermetallic compounds, such as iron aluminides exhibit excellent oxidation and corrosion resistance, as well as metallurgical bonding with excellent adhesion to the substrate. In this work, aluminizing treatments were carried out using the dipping into slurry process to produce iron aluminide coatings on stainless st... | Production of Aluminide Layers on AISI 304 Stainless Steel at Low Temperatures Using the Slurry Process | 10.1007/s11665-020-04748-3 |
2020-06-01 | Fatigue assessment of welded joint is still far from being completely solved now, since many influencing factors coexist and some important ones should be considered in the developed life prediction models reasonably. Thus, such influencing factors of welded joint fatigue are firstly summarized in this work; and then, ... | Review on fatigue life prediction models of welded joint | 10.1007/s10409-020-00957-0 |
2020-06-01 | This work demonstrates the systematic investigation of the effects of high temperature on key performance parameters including speed, sensitivity, stability, and repeatability of a 3C-SiC/Si ultraviolet (UV) photodetector (PD) at various operating temperatures ranging from 50°C to 200°C. The device with very low dark c... | Low-Power-Operating 3C-SiC Ultraviolet Photodetector for␣Elevated Temperature Applications | 10.1007/s11664-020-08097-8 |
2020-06-01 | The Shanghai Meishan Iron and Steel Co., Ltd. has a large supply of coke oven gas (COG) and has the potential to develop and apply the spraying of COG on the surface of a sinter bed. The effects of the amount of COG, the spraying time, and the spraying distribution with the process on the quantity and quality indexes o... | Development and application of coke oven gas spraying on sinter bed | 10.1007/s42243-020-00403-2 |
2020-06-01 | A warm stamping process of 1 and 1.2 GPa ultra-high strength steel sheets at comparatively low temperatures using rapid resistance heating was investigated to produce high strength parts. The effects of the heating temperature and rate on mechanical and surface properties of warm-stamped parts were examined. For a rapi... | Warm stamping of ultra-high strength steel sheets at comparatively low temperatures using rapid resistance heating | 10.1007/s00170-020-05642-x |
2020-06-01 | Hydrogen metallurgy is a technology that applies hydrogen instead of carbon as a reduction agent to reduce CO 2 emission, and the use of hydrogen is beneficial to promoting the sustainable development of the steel industry. Hydrogen metallurgy has numerous applications, such as H 2 reduction ironmaking in Japan, ULCORE... | Development and progress on hydrogen metallurgy | 10.1007/s12613-020-2021-4 |
2020-06-01 | Triisopropanolamine (TIPA) was used as an early strength component to study its effects on mortar strength, cement paste setting time and early hydration characteristic of cement. And the early strength mechanism of TIPA at low temperature of 5 °C was also discussed. The results showed that, at 5 °C, the incorporation ... | Effect of Triisopropanolamine on the Compressive Strength and Early Hydration of Cement at Low Temperature | 10.1007/s11595-020-2298-1 |
2020-06-01 | Key messages Thirty MaFLAs vary in their molecular features. MaFLA14/18/27/29 are likely to be involved in banana chilling tolerance by facilitating the cold signaling pathway and enhancing the cell wall biosynthesis. Abstract Although several studies have identified the molecular functions of individual fasciclin-like... | Genome-wide analyses of banana fasciclin-like AGP genes and their differential expression under low-temperature stress in chilling sensitive and tolerant cultivars | 10.1007/s00299-020-02524-0 |
2020-06-01 | All-optical devices, which are utilized to process optical signals without electro-optical conversion, play an essential role in the next generation ultrafast, ultralow power-consumption optical information processing systems. To satisfy the performance requirement, nonlinear optical materials that are associated with ... | Graphene-based all-optical modulators | 10.1007/s12200-020-1020-4 |
2020-06-01 | By the combination of transmission electron microscope, neutron diffraction and small-angle neutron scattering methods, mechanical fatigue behavior of AL6XN austenitic stainless steel was investigated in the temperature range of 400–600 °C. At 400 °C, in addition to the occurrence of dynamic strain aging, the formation... | Fatigue Damage Mechanism of AL6XN Austenitic Stainless Steel at High Temperatures | 10.1007/s40195-020-01020-4 |
2020-06-01 | Sn-based Babbitt coatings are widely used for sliding in hydrodynamic bearings. The Babbitting of bearing surfaces is among others accomplished by casting; however, this implies some disadvantages such as segregations, or susceptibility to shrinkage defects. Thermal spraying represents a promising method to overcome th... | Microstructural and Tribological Characteristics of Sn-Sb-Cu-Based Composite Coatings Deposited by Cold Spraying | 10.1007/s11666-020-01054-1 |
2020-06-01 | Additive manufacturing (AM) is becoming increasingly popular since it offers flexibility to produce complex designs with less tooling and minimum material at shorter lead times. Wire arc additive manufacturing (WAAM) is a variant of additive manufacturing which allows economical production of large-scale and high-densi... | Wire arc additive manufacturing of high-strength low alloy steels: study of process parameters and their influence on the bead geometry and mechanical characteristics | 10.1007/s00170-020-05482-9 |
2020-06-01 | Abstract Cyclic heat treatment of steel samples is considered as a means of increasing their abrasive wear resistance. Cyclic heating of 65Г steel parts to 450°С increases their wear resistance by 40% in comparison with traditional inductive quenching. | Improving the Wear Resistance of Gear Teeth by Cyclic Quenching with Inductive Heating | 10.3103/S1068798X20060064 |
2020-06-01 | The solidus and liquidus temperatures and fusion heat were investigated in [(0.54NaF–0.46AlF 3 ) eut -(0.55KF–0.45AlF 3 ) eut ]-quasi-binary system. Two maximum liquidus temperatures (~ 1000 K) were observed at KF/(KF + NaF) ratio equal to 0.15 and 0.65. The minimum liquidus temperature (~ 900 K) was observed at KF/(KF... | Thermophysical properties of [(0.54NaF – 0.46AlF3)eut - (0.55KF – 0.45AlF3)eut]-quasi-binary system | 10.1007/s11581-020-03454-3 |
2020-06-01 | Understanding of thin film growth mechanism is crucial for tailoring film growth behaviors, which in turn determine physicochemical properties of the resulting films. Here, vapor-growth of tungsten carbide overlayers on W(110) surface is investigated by real time low energy electron microscopy. The surface growth is st... | Step-confined thin film growth via near-surface atom migration | 10.1007/s12274-020-2769-x |
2020-06-01 | Abstract— The heat capacity C p ( T ) of cadmium fluoride, strontium fluoride, and the Cd 0.5 Sr 0.5 F 2 solid solution has been studied experimentally (2–300 K). We have detected deviations Δ C p ( T ) of the C p ( T ) data from additivity. The low-temperature (2–50 K), positive deviations Δ C p ( T ) have been tentat... | Structural Disorder and Heat Capacity of a Solid Solution between Cadmium and Strontium Fluorides | 10.1134/S0020168520060096 |
2020-06-01 | Waterflooding has been applied for many years as secondary recovery method with no or little regard to the effect of the injected water salinity on oil recovery. However, in the last decade, there has been an increasing interest in understanding the effects of changing injected water salinity on reservoir performance. ... | Comprehensive investigation of low-salinity waterflooding in sandstone reservoirs | 10.1007/s13202-020-00862-z |
2020-06-01 | Low-cycle fatigue (LCF) behavior of a thermomechanically treated Fe 500 grade rebar has been evaluated under high-strain ranges to understand its seismic performance. The total strain-controlled LCF tests have been performed at five different strain (1.0, 2.0, 3.0, 4.0 and 5.0%) ranges at ambient temperature until fail... | High-Strain Low-Cycle Fatigue Behavior of Thermomechanically Treated Rebar | 10.1007/s11668-020-00911-z |
2020-06-01 | In the present study, a novel model is proposed to evaluate the lower flammability limit (LFL) of alkane diluted with CO 2 . The LFL model is based on flame phenomenon simulation (FS-LFL). The model consists of combustion, turbulence, and igniter models, which are used to characterise the combustion based on the chemic... | A lower flammability limit prediction model of alkane-CO2 mixtures based on flame phenomenon simulation | 10.1007/s11431-019-1447-4 |
2020-06-01 | To increase the COP and volumetric capacity of hydrofluoroolefins while reducing the global warming potential (GWP) of hydrofluorocarbons (HFCs), four HFC/R1234yf mixtures with various compositions are compared with verified thermodynamic models. Results show that a lower R1234yf mass fraction leads to a higher mixture... | Energy and exergy performance comparison of different HFC/R1234yf mixtures in vapor-compression cycles | 10.1007/s10973-019-08909-y |
2020-06-01 | Abstract The research results of the effect of small additions of vanadium and nitrogen on the microstructure and mechanical and service properties of high-carbon steels for railway transport are presented. The data on industrial production of metal products from such steels are considered. Medium-carbon bainitic and m... | Transport Steels Microalloyed with Vanadium and Nitrogen | 10.3103/S0967091220060078 |
2020-06-01 | Abstract TEC-DT differential heat hardening technology is developed based on the process of digital control of air humidity by high-efficiency mixing of air flows and the water ejected by it. The wide-range cooling rate control (2–14°C/s) makes it possible to heat hardened rails made of different steels, such as carbon... | Development of an Innovative Digital Cooling Technology (Differential Heat Treatment) for EVRAZ NTMK Rails | 10.3103/S0967091220060042 |
2020-06-01 | The distillation behaviors of some fission product fluorides in LiCl–KCl system were investigated. For rare earth element, the corresponding decontamination factors (DFs) of Ce in 5 wt% CeF 3 –LiCl–KCl salts were over 100 at 1040 K and 13 Pa. For SrF 2, the very poor DFs was deduced for the presence of more volatile Sr... | The distillation behavior of fluorides in LiCl–KCl molten salt | 10.1007/s10967-020-07153-1 |
2020-06-01 | Abstract Low-energy (50–200 eV) He and Ar ion irradiation of on Si/SiO 2 -based nanoporous materials is modeled with the use of the molecular dynamics method. The obtained results corroborate the experimentally observed effect of densification of near-surface layers of materials with small-size pores and low porosity d... | Features of Low-Energy He and Ar Ion Irradiation of Nanoporous Si/SiO2-Based Materials | 10.1134/S1063785020060140 |
2020-06-01 | In this work, five different hot-rolled steel strips with different microstructures were produced through different microalloying design and adjusting final coiling temperature. The relationship between microstructure and mechanical properties, especially fatigue limit, was analyzed in detail. The results showed that t... | Correlation of Microstructure and Fatigue Properties of Hot-Rolled Steel Strips for Automobile Structural Application | 10.1007/s11665-020-04889-5 |
2020-06-01 | High-strength low-alloy or microalloyed steels are thermo-mechanically control processed (TMCP) to achieve desired microstructures and mechanical properties, and microalloy additions are critical for obtaining optimum properties. The steel of interest in this study is microalloyed with approximately 0.1 wt% Nb, levels ... | Effect of niobium on the microstructure and properties of submerged arc welds in HSLA steel | 10.1007/s40194-020-00900-8 |
2020-06-01 | Nanoblends of conjugated materials doped with low-dimensional metal oxides employing a scalable manufacturing process are discussed. The morphology, crystal structure and photocatalytic property of the nanoblends comprising of π-stacking materials namely polyaniline (PANI), polythiophene (PTh), graphene oxide (GO) dope... | Composites of π-stacking materials with low-dimensional metal oxide nanoblends for photocatalytic hydrogen production
| 10.1007/s40097-020-00339-9 |
2020-06-01 | In this study, the low-pressure carbonitriding (LPCN) response of four different steel alloys is investigated. The influence of unprotected boron is evaluated by comparing the microstructure and fatigue performance of 20MnCr5 with and without boron additions after LPCN. Similarly, the influence of Nb microalloying is a... | Bending Fatigue in Low-Pressure Carbonitriding of Steel Alloys with Boron and Niobium Additions | 10.1007/s11665-020-04757-2 |
2020-06-01 | An oxadiazole derivative 4-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-phenol (MOP) has been investigated as a protector against corrosion of mild steel tanks in Iraqi kerosene reservoirs using the Tafel approach. The extrapolation study was carried out in four temperatures (303, 313, 323 and 333 K) and five concentratio... | Electrochemical, morphological and theoretical studies of an oxadiazole derivative as an anti-corrosive agent for kerosene reservoirs in Iraqi refineries | 10.1007/s11696-019-01022-2 |
2020-06-01 | Poleward expatriation of tropical marine organisms is occurring globally, linked to climate change via strengthening of Western Boundary Currents (WBCs). In summer 2016, there was an unprecedented (in 18 years of monitoring) influx of coral-reef fish juveniles (“vagrants”) in temperate SE Australia. However, a large cl... | Opposing climate-change impacts on poleward-shifting coral-reef fishes | 10.1007/s00338-020-01919-5 |
2020-06-01 | Aims/hypothesis Physical inactivity, low mitochondrial function, increased intramyocellular lipid (IMCL) deposition and reduced insulin sensitivity are common denominators of chronic metabolic disorders, like obesity and type 2 diabetes. Yet, whether low mitochondrial function predisposes to insulin resistance in human... | One-leg inactivity induces a reduction in mitochondrial oxidative capacity, intramyocellular lipid accumulation and reduced insulin signalling upon lipid infusion: a human study with unilateral limb suspension | 10.1007/s00125-020-05128-1 |
2020-06-01 | A biochar filter, in conjunction with a biosand filter, was used to remove environmentally relevant concentrations of synthetic organic chemical such as atrazine, anthracene, naphthalene and phenanthrene from creek water over a period of 36 days. The biochar filter achieved complete removal of anthracene and phenanthre... | An intermittently operated biochar filter to remove chemical contaminants from drinking water | 10.1007/s13762-019-02615-w |
2020-06-01 | A combination of experimental measurements and numerical analysis was utilized to study the low-velocity impact damage of domestic carbon fiber-reinforced composites (CFRCs). The results indicated that the low-velocity impact damage induced pits and longitudinal cracks on the front side, oblique cracks and delamination... | Influence of Low-velocity Impact on Damage Behavior of Carbon Fiber-reinforced Composites | 10.1007/s11595-020-2282-9 |
2020-06-01 | Optimization of grain boundary engineering (GBE) process is explored in a Fe–20Cr–19Mn–2Mo–0.82 N high-nitrogen and nickel-free austenitic stainless steel, and its intergranular corrosion (IGC) property after GBE treatment is experimentally evaluated. The proportion of low Σ coincidence site lattice (CSL) boundaries re... | Application of Grain Boundary Engineering to Improve Intergranular Corrosion Resistance in a Fe–Cr–Mn–Mo–N High-Nitrogen and Nickel-Free Austenitic Stainless Steel | 10.1007/s40195-020-01000-8 |
2020-06-01 | The transition zone water filter model (Nature 425(6953), 39–44; 2003) predicts that a hydrous partial melt layer is only actively produced in a region of upwelling mantle. We test the transition zone water filter model via stacking of P-to-S converted receiver functions by using the IRIS-PASSCAL RISTRA (Colorado Plate... | Correlation of a 410-km Discontinuity Low Velocity Layer with Velocity Tomograms Beneath the Colorado Plateau Using the RISTRA Array | 10.1007/s00024-019-02405-y |
2020-06-01 | CO 2 flooding has become one of most effective methods to improve oil recovery in low-permeability reservoirs. Thus, influencing factors have been specifically analyzed for their impact on oil displacement. Factors that are difficult to observe, such as capillary pressure and CO 2 dissolution, have often been neglected... | Functions of capillary pressure and dissolution in the CO2-flooding process in low-permeability reservoirs | 10.1007/s13202-020-00853-0 |
2020-06-01 | The salinity effect on anammox bacteria has been widely reported; however, rare studies describe the microbial dynamics of anammox-based process response to the introduction of real seawater at mainstream conditions. In this study, an anammox process at mainstream conditions without pre-enriching anammox bacteria was s... | Evolution of microbial dynamics with the introduction of real seawater portions in a low-strength feeding anammox process | 10.1007/s00253-020-10598-9 |
2020-06-01 | Potassium (K) plays a pivotal role in carbon (C) and nitrogen (N) balance via several physiological processes. Conventional K application ratio (0.6–0.8) is too low to meet the optimal K requirement for physiological activities as well as yield benefits in cotton. However, in line with low N application, what is the op... | Relative Potassium Ratio Balanced the Carbon-Nitrogen Assimilation in Cotton Leaf Under Reducing Nitrogen Application | 10.1007/s42729-019-00163-3 |
2020-06-01 | Bacterial cellulose (BC), an important biopolymer, has gained tremendous interest in several fields in the last few decades. Despite having the same chemical structure as plant cellulose, BC is superior in physical appearance and purity, as well as in mechanical, crystallinic, and biological properties for multiple app... | Production of bacterial cellulose from alternative cheap and waste resources: A step for cost reduction with positive environmental aspects | 10.1007/s11814-020-0524-3 |
2020-06-01 | In the pandemic situation created by COVID-19, which is a fast spreading human-to-human transmittable disease, it is essential to protect health care providers. They are frontline warriors who fight this disease by treating patients and are most vulnerable to the same disease. In the current scenario, it is required to... | Aerosol Containment Box | 10.1007/s41403-020-00140-8 |
2020-06-01 | This article addresses the technical and cost competitiveness of microfiltration and centrifugation to produce organic clarified bottle gourd juice. The microfiltration (MF) process was conducted for fresh and centrifuged juices and for transmembrane pressures ranging from 103.4 to 172.4 kPa. Pertinent flux decline was... | Feasibility of Low-Cost Kaolin–Based Ceramic Membranes for Organic Lagernaria siceraria Juice Production | 10.1007/s11947-020-02455-4 |
2020-06-01 | Since most coalfields in China are commonly characterized by high gas content and low permeability, there is an urgent need to improve coal seam permeability and further enhance coal bed methane (CBM) extraction efficiency. As an emerging fracturing technology, the CO 2 gas fracturing (CGF) technology has been widely u... | Optimization and Field Application of CO2 Gas Fracturing Technique for Enhancing CBM Extraction | 10.1007/s11053-019-09563-9 |
2020-06-01 | Abstract —Alkaline and subalkaline granites of the Keivy megablock belong to the potassic alkali-calcic ferroan rocks enriched in large-ion lithophile, high-field strength and rare-earth elements. Based on these criteria, they correspond to A 2 -type granites (Eby, 1992). The granites have elevated Y/Nb (1.9–2.5) and Y... | Lu–Hf Isotope-Geochemical Zircon Systematics and Genesis of the Neoarchean Alkaline Granites in the Keivy Megablock, Kola Peninsula | 10.1134/S0016702920060129 |
2020-06-01 | Lithium (Li) metal is regarded as the holy grail anode material for high-energy-density batteries owing to its ultrahigh theoretical specific capacity. However, its practical application is severely hindered by the high reactivity of metallic Li against the commonly used electrolytes and uncontrolled growth of mossy/de... | Stable Li metal anode by crystallographically oriented plating through in-situ surface doping | 10.1007/s40843-019-1277-3 |
2020-06-01 | Abstract The hydrocarbon composition of the thermolysis products of asphaltenes from biodegraded oils of the Labagan and Usa oilfields and non-biodegraded oil of the Salyukinskoe oilfield of the Timan–Pechora sedimentary basin has been studied. The IR spectra of the asphaltenes are identical, indicating their similar s... | Thermolysis of Asphaltenes of Timan–Pechora Heavy Oils | 10.1134/S0965544120060043 |
2020-06-01 | High-mobility low-hysteresis electrolyte-gated thin-film transistors were successfully fabricated using a diketopyrrolopyrrole (DPP) and benzotriazole (BTz) copolymer semiconductor and high-capacitance ion gels based on 1-ethyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ([EMI][TFSI]) and tetraoctyl phospho... | High-Mobility Low-Hysteresis Electrolyte-Gated Transistors with a DPP-Benzotriazole Copolymer Semiconductor | 10.1007/s13233-020-8120-2 |
2020-06-01 | Abstract Irradiation with accelerated electrons of an extraction mixture of 30% TBP in Isopar-M isoparaffin diluent on the lower temperature limit of flame propagation ( Т l ) has been studied. It was found that, under irradiation up to a dose of 2 MGy, the value of Т l of the extraction mixture may decrease to 45°С, w... | Effect of Irradiation of the Extraction Mixture with 30% TBP in ISOPAR-M on the Lower Temperature Limit of Flame Propagation | 10.1134/S106636222006003X |
2020-06-01 | This study presents a 2-D analytical surface potential model is advanced by derived the expression from the 2-D Poisson’s equation of heterostructure double gate tunnel FET with channel-source junction-pocket doped. The dual benefits of heterostructure and channel-source junction -pocket doping are incorporated in a si... | A Two Dimensional Analytical Model of Heterostructure Double Gate with Pocket Doped Tunnel FET | 10.1007/s12633-019-00232-3 |
2020-06-01 | In drought prone areas, often farmers use less nitrogen, and thus the crop is subjected to combined stress (low N + osmotic stress). Since understanding the regulation of genes involved in nitrate signalling, uptake and assimilation under water-deficit (osmotic stress) is important for improving yield under the combine... | Regulation of expression of genes associated with nitrate response by osmotic stress and combined osmotic and nitrogen deficiency stress in bread wheat (Triticum aestivum L.) | 10.1007/s40502-020-00503-x |
2020-06-01 | Results of investigations of acoustic signals induced in a copper plate irradiated with a microsecond lowenergy high-current electron beam (LEHCEB) are presented. The characteristic acoustic signal waveforms, their amplitudes, phases, and frequencies are experimentally measured. It has been established that the acousti... | Acoustic Signals Induced in a Copper Target under Irradiation by a Low-Energy High-Current Electron Beam | 10.1007/s11182-020-02031-5 |
2020-06-01 | An intensive analysis of far-infrared (far-IR), low-frequency Raman, and wide angle X-ray diffraction (WAXD) data has been performed by two-dimensional correlation spectroscopy (2D-COS) as a function of the blend ratio of poly(3- hydroxybutyrate)/poly(4-vinylphenol) (PHB/PVPh). Homospectral 2D-COS revealed that a weak ... | A Study on Blend Ratio-dependent Far-IR and Low-frequency Raman Spectra and WAXD Patterns of Poly(3-hydroxybutyrate)/ poly(4-vinylphenol) Using Homospectral and Heterospectral Two-dimensional Correlation Spectroscopy | 10.2116/analsci.19P428 |
2020-06-01 | Expanding the use of a recently introduced low-cost particle monitor (DC1700 Dylos Air Quality Monitor) for sensing atmospheric PM 2.5 requires comparison with data obtained using a certified method for PM 2.5 based on appropriate atmospheric observations. Full-year measurements of atmospheric aerosols were taken in Na... | Estimating Mass Concentration Using a Low-cost Portable Particle Counter Based on Full-year Observations: Issues to Obtain Reliable Atmospheric PM2.5 Data | 10.5572/ajae.2020.14.2.155 |
2020-06-01 | Periodontal disease is a chronic progressive inflammatory process leading to damage of tooth-supporting tissues. This comparative study assessed the effect of PhotoBioModulation (PBM) versus conventional therapy, and investigated biomarkers involved in the healing process. The test group comprised twenty systemically-h... | Evaluation of bradykinin, VEGF, and EGF biomarkers in gingival crevicular fluid and comparison of PhotoBioModulation with conventional techniques in periodontitis: a split-mouth randomized clinical trial | 10.1007/s10103-019-02919-w |
2020-06-01 | Due to high gas content, high geo-stress and complex geological conditions, gas disasters occur frequently in deep coal mining. The hard thick roof (HTR) greatly increases the difficulty of coalbed gas control besides causing dynamic disasters. In this paper, the effects of HTR on gas migration were numerically analyze... | Study of Effects of Hard Thick Roof on Gas Migration and Field Experiment of Roof Artificially Guided Pre-splitting for Efficient Gas Control | 10.1007/s11053-019-09531-3 |
2020-06-01 | Aiming at the problem that some security factors in large scale construction projects are difficult to be discovered in time and easily cause accidents, a low-power long-distance data acquisition and transmission scheme using LoRa wireless sensor network is proposed. Firstly, the improved linear integer programming (II... | Data Acquisition and Transmission Scheme for Large Projects Based on LoRa Internet of Things Using Improved Linear Integer Programming Model | 10.1007/s10776-019-00454-7 |
2020-06-01 | Skin graft is one of the most common techniques used in plastic surgery and repair. However, there are some complications that can lead to loss of the skin graft. Thus, several features have been studied with the aim of promoting the integration of skin grafts. Among these resources, the use of laser photobiomodulation... | Effects of photobiomodulation therapy in the integration of skin graft in rats | 10.1007/s10103-019-02909-y |
2020-06-01 | The loosely coupled independent hardware of any kind under internet protocol refers to the Internet of Things (IoT). The IoT network has often framed by the composition of various standards, techniques, and services that are having diversified privacy & security prerequisites. Therefore, it has noted that paradigm IoT ... | SH-IDS: Specification Heuristics Based Intrusion Detection System for IoT Networks | 10.1007/s11277-020-07137-0 |
2020-06-01 | The goal was to investigate the time dynamic nature of the secreted protein profiles at 15–240 kDa, expressed by MDA-MB-231 breast cancer cells, exposed to 240 ± 12 mGy dose. After 2 h, a variety of proteins in the supernatant reduced their concentration up to 10–12 h, as an early event. After 24 h, up- and down-regula... | Dynamic modulations of the MDA-MB-231 secretions at low dose radiation | 10.1007/s10967-020-07139-z |
2020-06-01 | Purpose Low birth weight (LBW) infants have a less diverse gut microbiota, enriched in potential pathogens, which places them at high risk of systemic inflammation diseases. This study aimed to identify the differences in gut bacterial community structure between LBW infants who received probiotics and LBW infants who ... | Effects of a formula with a probiotic Bifidobacterium lactis Supplement on the gut microbiota of low birth weight infants | 10.1007/s00394-019-02006-4 |
2020-06-01 | This study aimed to histologically and radiographically evaluate the effectiveness of low-intensity laser irradiation of different wavelengths (660 or 808 nm) as an adjunct to scaling and root planing in the treatment of experimental periodontitis in rats. Periodontitis was induced by placing a ligature around the mand... | Effect of photobiomodulation therapy as an adjunct to scaling and root planing in a rat model of ligature-induced periodontitis: a histological and radiographic study | 10.1007/s10103-020-02952-0 |
2020-06-01 | Abstract The variation of low-energy slow secondary electron emission from the surface of relief structures (bumps) during their prolonged scanning in a low-voltage scanning electron microscope is estimated. The variation nature depends on the bump region profile, which is especially complex near relief structure angle... | Surface State Variation during Scanning in a Low-Voltage SEM and Its Effect on of Relief Structure Sizes | 10.1134/S106378342006013X |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.