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2023-07-01 | Quasi-zero stiffness (QZS) device is widely studied for their better performance in low-frequency and micro-vibration isolation due to the high-static and low-dynamic (HSLD) stiffness characteristics. The previous QZS isolator with determined parameters is not suitable for variable isolated mass. In this study, a novel... | Dynamic frequency response characteristics of a compound regulative quasi-zero stiffness air spring system | 10.1007/s11431-022-2268-2 |
2023-07-01 | Retinol is widely used for topical application for antiaging. However, the efficacy and effect rate of different concentrations of retinol have been rarely analyzed. Therefore, in this study, the efficacy and rate of effect of retinol concentrations from 1500 to 6600 IU, on various skin parameters, have been compared. ... | A long term study of the difference in efficacy and effect rate of various concentrations of retinol (1500–6600 IU) in middle aged women | 10.1007/s00403-022-02520-2 |
2023-06-30 | Several low-cost adsorbents, including orange mesocarp (OMS), Bengal gram husk (BGH), and Khangar, were investigated for their capability to absorb chromium hexavalent ions from synthetic solutions. Process parameters like pH, dose of the adsorbent, concentration of metal ions, and the time they remain in contact were ... | Effective removal of Cr(VI) ions from aqueous solution using low-cost adsorbents (orange mesocarp, Bengal gram husk, and Khangar): equilibrium, kinetic, and thermodynamic study | 10.1007/s13399-023-04473-6 |
2023-06-30 | The incidence of melanoma is continuously increasing over time. Melanoma is the most aggressive skin cancer, significantly reducing quality of life and survival rates of patients at advanced stages. Therefore, early diagnosis remains the key to change the prognosis of patients with melanoma. In this context, advanced t... | Towards Characterization of Skin Melanoma in the Clinic by Electron Paramagnetic Resonance (EPR) Spectroscopy and Imaging of Melanin | 10.1007/s11307-023-01836-3 |
2023-06-29 | Commercial office buildings are major electrical energy guzzlers as they are required to maintain high levels of overall occupant comfort to maximize workers’ productivity. Thermal comfort, visual comfort, and noise insulation are three major aspects of overall comfort in such buildings. There is ample potential to ach... | Development of design guidelines for thermal, visual, and noise insulation performance of building envelope of low-rise commercial office buildings in the Indian tropical climate | 10.1007/s12046-023-02191-3 |
2023-06-29 | In this work, the microstructure, and mechanical properties of cold-rolled low-density multi-principal-element Fe-30Mn-10Al-1.57C-2.3Cr-0.3Si-0.6Ti (wt.%) specimens were systematically investigated by annealing under different conditions. The microstructural evolution and strengthening mechanism were also examined. Res... | Effect of Annealing on Microstructure and Mechanical Behavior of Cold Deformed Low-Density Multi-principal-Element High-Strength Alloys | 10.1007/s11665-023-08465-5 |
2023-06-29 | This study focuses on hydrothermal alteration in the geothermal reservoir of Cerro Pabellón (Andean Cordillera, Northern Chile). It is based on CP2A and CP5A production wells drilled above a local normal fault and presenting unlike hydraulic properties. Cuttings from 300 to 1555 m depth were sampled and analyzed using ... | Structural control of the graben fault on hydrothermal alteration in the Cerro Pabellón geothermal system (Andean Cordillera, Northern Chile) | 10.1186/s40517-023-00260-8 |
2023-06-29 | Background Veterinary diagnostics aid intervention strategies, track zoonoses, and direct selective breeding programs in livestock. In ruminants, gastrointestinal nematode (GIN) parasites are a major cause of production losses, but morphologically similar species limit our understanding of how specific GIN co-infection... | Low-cost molecular methods to characterise gastrointestinal nematode co-infections of goats in Africa | 10.1186/s13071-023-05816-y |
2023-06-29 | Background For thirty years, the Harmonic scalpel has been used for precise dissection, sealing and transection. There are numerous meta-analyses on individual surgical procedures with Harmonic, but no overarching review covering all the areas. This umbrella review seeks to summarize the clinical results from the use o... | An umbrella review of the surgical performance of Harmonic ultrasonic devices and impact on patient outcomes | 10.1186/s12893-023-02057-9 |
2023-06-27 | Background WRKY transcription factors are a prominent gene family in plants, playing a crucial role in various biological processes including development, metabolism, defense, differentiation, and stress response. Although the WRKY gene family has been extensively studied and analysed in numerous plant species, researc... | Genome-wide identification and analysis of the WRKY gene family and low-temperature stress response in Prunus sibirica | 10.1186/s12864-023-09469-0 |
2023-06-26 | The development of infrared (IR) surveillance technology has led to a growing interest in thermal camouflage. However, the tradeoff relationship between low IR-emissivity and thermal insulation hinders the advance of thermal camouflage materials. Herein, guided by multi-physics simulation, we show a design of asymmetri... | Tailoring of a robust asymmetric aramid nanofibers/MXene aerogel film for enhanced infrared thermal camouflage and Joule heating performances | 10.1007/s12274-023-5895-4 |
2023-06-25 | Background Chronic low back pain can lead to individual suffering, high medical expenditures, and impaired social well-being. Although the role of physical activity in pain management is well established, the underlying mechanisms of biological and clinical outcomes are unknown. This study aimed to assess the feasibili... | Pain self-management plus activity tracking and nurse-led support in adults with chronic low back pain: feasibility and acceptability of the problem-solving pain to enhance living well (PROPEL) intervention | 10.1186/s12912-023-01365-y |
2023-06-23 | Abstract Composition and seasonal fluctuations of stress dehydrin proteins of Cajander larch ( Larix cajanderi Mayr) growing under extremely cold climatic conditions in Central Yakutia, which are notable for an extraordinary frost resistance, were investigated. Immunoblotting technique made it possible to detect major ... | Relationship between Dehydrins and Adaptation of Cajander Larch to Yakutia Cryolithozone Conditions | 10.1134/S1021443723600848 |
2023-06-23 | Abstract Changes in the ultrastructural organization of mesophyll cells during low-temperature adaptation (4°C, 7 days) were studied on seedlings of a frost-resistant variety of winter wheat ( Triticum aestivum L.). It was found that, under the influence of low hardening temperature, wheat leaf cells increased in size,... | The Role of Ultrastructural Organization of Cells in Adaptation of Winter Wheat to Low Temperature | 10.1134/S1021443723600873 |
2023-06-23 | Neuromorphic devices with ultra-low energy consumption are highly desired for artificial intelligence and brain-like computing. Here, artificial optoelectronic synaptic devices based on vertical organic field-effect transistors (VOFETs) are fabricated, in which the composite film of the poly[2,5-(2-octyldodecyl)-3,6-di... | Artificial optoelectronic synaptic devices based on vertical organic field-effect transistors with low energy consumption | 10.1007/s42114-023-00712-6 |
2023-06-22 | This study investigates the evolution of gaseous pollutants with prevailing meteorology using a network of Alpha sense low-cost portable air monitoring devices deployed to six selected sampling sites namely the Iron steel smelting factory (ISSF), Modomo, Eleweran, Fire service station, staff quarters, and OAU Teaching ... | Investigating the evolution of gaseous air pollutants with prevailing meteorology across selected sites within a pollution hotspot in Ile-Ife, Southwestern Nigeria | 10.1007/s44274-023-00006-0 |
2023-06-21 | Magnesium (Mg) alloys are the lightest metal structural material for engineering applications and therefore have a wide market of applications. However, compared to steel and aluminum alloys, Mg alloys have lower mechanical properties, which greatly limits their application. Extrusion is one of the most important proce... | Effect of Initial Microstructure Prior to Extrusion on the Microstructure and Mechanical Properties of Extruded AZ80 Alloy with a Low Temperature and a Low Ratio | 10.1186/s10033-023-00901-w |
2023-06-20 | For humanity to complete its ambitious solar system exploration, it is crucial to comprehend how terrestrial life reacts to differing planet gravity. We followed the life trajectory of an earth cotton seed's germination, development, and ultimate fate after prolonged exposure to extremely low temperatures using the lif... | The Lunar One-Sixth Low Gravity Conduciveness to the Improvement of the Cold Resistance of Plants | 10.1007/s12217-023-10058-9 |
2023-06-19 | Stress relaxation property is critical to evaluating low temperature anti-cracking performance of asphalt materials. A preliminary attempt was made to measure and model the short term stress relaxation behavior of the wet process crumb rubber modified asphalt binder within linear viscoelastic (LVE) region. The strain a... | Experiment and Representation of Stress Relaxation Behavior of Crumb Rubber Modified Asphalt | 10.1007/s42947-023-00344-5 |
2023-06-19 | The use of reclaimed asphalt pavement (RAP) in road construction is expected to lead to a sustainable asphalt pavement system by reducing the environmental footprint as well as the cost in construction materials. However, the use of RAP in road construction results in a stiffer pavement and could cause the need for ear... | Laboratory Simulation of RAP Incorporated Mix in a Cold Region: An Artificial Intelligence-Based Approach | 10.1007/s42947-023-00346-3 |
2023-06-16 | To control the precipitation sites of carbides, the cold rolling, annealing, and aging processes were employed to process Fe-26Mn-10.2Al-0.98C-0.15 V (wt.%) steels with duplex structure. After aging, the alloy achieved a good combination of strength and plasticity, which had a yield strength of 1120 MPa, tensile streng... | Deformation Structures and Strengthening Mechanisms Associated with κ-Carbides Precipitation in an Austenitic-Based Low-Density Steel | 10.1007/s11665-023-08420-4 |
2023-06-15 | Troctolites were recovered during Integrated Ocean Drilling Program Expedition 345 at the Hess Deep Rift, next to fast-spreading East Pacific Rise. These troctolites are divided into three groups based on textural differences: coarse-grained (1–10 mm in length) troctolite, fine-grained (~ 2 mm in length) troctolite, an... | Formation of lower fast-spread oceanic crust: a structural and geochemical study of troctolites in the Hess Deep Rift (East Pacific Rise) | 10.1186/s40645-023-00560-4 |
2023-06-14 | The observation of geomagnetic field variations is an important approach to studying earthquake precursors. Since 1987, the China Earthquake Administration has explored this seismomagnetic relationship. In particular, they studied local magnetic field anomalies over the Chinese mainland for earthquake prediction. Owing... | Design and implementation of low-cost geomagnetic field monitoring equipment for high-density deployment | 10.1007/s11770-023-1015-1 |
2023-06-14 | This paper presents a digital low computation detection method for signal nonlinear distortion. After presetting ADC sampling rate and completing data sampling, the low sampling rate data extracted from the sampling data complete the autocorrelation analysis to correct and calculate the accurate fundamental frequency. ... | A low computation detection method of signal nonlinear distortion based on digital quadrature detection principle | 10.1186/s13634-023-01015-0 |
2023-06-13 | Radon is found in various rocks as a naturally occurring radioactive gas. It is crucial to estimate the radon emission characteristics of different in situ rocks in the pre-mountain fracture zone of the northern foot of the Qinling Mountains in China for radiation risk prevention, as several inhabitants occupy the area... | Study on the pore structure and radon emission characteristics of typical rocks in the Lintong area | 10.1007/s10064-023-03285-2 |
2023-06-13 | Background Insulinomas are rare neuroendocrine tumors that typically present with hypoglycemic crises. Peripheral neuropathy is an uncommon complication of insulinoma. Most clinicians expect peripheral neuropathy symptoms to reverse completely after the insulin-secreting tumor is resected, but this may be a misassumpti... | Insulinoma with peripheral neuropathy: a case report | 10.1186/s13256-023-03963-5 |
2023-06-12 | Background Septic and aseptic nonunion require different therapeutic strategies. However, differential diagnosis is challenging, as low-grade infections and biofilm-bound bacteria often remain undetected. Therefore, the examination of biofilm on implants by sonication and the evaluation of its value for differentiating... | The value of sonication in the differential diagnosis of septic and aseptic femoral and tibial shaft nonunion in comparison to conventional tissue culture and histopathology: a prospective multicenter clinical study | 10.1186/s10195-023-00708-4 |
2023-06-11 | Low temperature (LT) disrupted the osmotic regulation system and sucrose and nitrogen metabolism of Bitter gourd ( Momordica charantia L.). The osmotic regulation system and the sucrose and nitrogen metabolism in bitter gourd were investigated in ungrafted (M), self-grafted (MS), and grafted onto rootstocks of pumpkin ... | Interspecific rootstocks improve the low-temperature resistance of bitter gourd through sucrose and nitrogen metabolism regulation | 10.1007/s11738-023-03577-w |
2023-06-08 | Pharmaceutical products found in wastewater and various water systems have become an environmental concern. Various processes were developed to remove various pharmaceuticals, including adsorption processes utilizing activated carbon adsorbents derived from agricultural wastes. The present study investigates the remova... | Activated carbon-based pomegranate peels as an efficient removal method for carbamazepine | 10.1007/s10661-023-11393-5 |
2023-06-08 | Changes in the milk microbiota during the course of mastitis are due to the nature of a sporadic occurring disease difficult to study. In this study we experimentally induced mastitis by infusion of Escherichia coli endotoxins in one udder quarter each of nine healthy lactating dairy cows and assessed the bacteriologic... | Absence of changes in the milk microbiota during Escherichia coli endotoxin induced experimental bovine mastitis | 10.1186/s13567-023-01179-5 |
2023-06-08 | Background High-resolution sound and movement recording tags offer unprecedented insights into the fine-scale foraging behaviour of cetaceans, especially echolocating odontocetes, enabling the estimation of a series of foraging metrics. However, these tags are expensive, making them inaccessible to most researchers. Ti... | Predictive model of sperm whale prey capture attempts from time-depth data | 10.1186/s40462-023-00393-2 |
2023-06-07 | Low plasticity clays are found in abundance worldwide, exerting undue stresses on civil structures, road pavements and railway infrastructure, owing to the periodic settlement caused by their low bearing capacity and slight swelling potential. They are often encountered as natural soil when constructing road subgrade a... | Improvement of Low Plasticity Clay with Crushed Glass: A Mechanical and Microstructural Study | 10.1007/s42947-023-00339-2 |
2023-06-06 | Background To investigate the effect of low-intensity pulsed ultrasound (LIPUS) combined with lipid microbubbles on the proliferation and bone regeneration of bone marrow mesenchymal stem cells (BMSCs) in poly (lactic-glycolic acid copolymer) (PLGA)/α-tricalcium phosphate (TCP) 3D-printed scaffolds. Methods BMSCs were ... | Enhanced bone regeneration by low-intensity pulsed ultrasound and lipid microbubbles on PLGA/TCP 3D-printed scaffolds | 10.1186/s12896-023-00783-9 |
2023-06-06 | Introduction It has not yet been possible to ascertain the exact proportion, characterization or impact of low-acuity emergency department (ED) attendances on the German Health Care System since valid and robust definitions to be applied in German ED routine data are missing. Methods Internationally used methods and pa... | Identification of low-acuity attendances in routine clinical information documented in German Emergency Departments | 10.1186/s12873-023-00838-2 |
2023-06-06 | Introduction Lower respiratory tract infections (LRTIs) caused by drug-resistant pathogenic bacteria is a major problem in developing countries including Ethiopia. Therefore, this study aimed to determine the pathogenic bacteria and their antimicrobial susceptibility patterns among Gene X-pert tuberculosis-negative adu... | Pathogenic bacteria recovered from Gene X-pert tuberculosis-negative adult patients in Gondar, Northwest Ethiopia | 10.1186/s12890-023-02500-w |
2023-06-05 | It is of great significance to study the mechanical properties of rocks with different saturations for safe and efficient development of geotechnical engineering in low-temperature environments, such as open-pit mining and tunnel excavation in winter in cold areas, and etc. In this paper, the LT-SHPB test system was us... | Study on dynamic mechanical response characteristics and fracture energy dissipation mechanism of sandstones with different saturations under real-time low temperature | 10.1007/s40948-023-00622-3 |
2023-06-05 | A plasma chemistry model is developed to study the evolution of species during the synthesis of iron oxide nanoparticles from ferrocene precursor in non-equilibrium argon or argon–hydrogen plasma. The model includes electron-induced reactions, charge exchange reaction and neutral–neutral reactions. While the rate const... | Modeling nanoparticle synthesis process using ferrocene/Ar/H2 low pressure RF plasma | 10.1007/s12008-023-01387-5 |
2023-06-05 | Background Bacteria colonizing the nasopharynx play a key role as gatekeepers of respiratory health. Yet, dynamics of early life nasopharyngeal (NP) bacterial profiles remain understudied in low- and middle-income countries (LMICs), where children have a high prevalence of risk factors for lower respiratory tract infec... | Succession and determinants of the early life nasopharyngeal microbiota in a South African birth cohort | 10.1186/s40168-023-01563-5 |
2023-06-05 | Background Global crises, regardless of the place where they started to spread or of the factors that triggered them, require a comprehensive approach, primarily based on good communication, cooperation and mutual support. No individual and no institution should remain indifferent to crises but, on the contrary, be ful... | COVID-19 vaccination and governance in the case of low, middle and high-income countries | 10.1186/s12889-023-15975-3 |
2023-06-05 | Tinnitus is a perception disorder of sound with no hearing impulse. It is a very common otology complaint that leads to worsening quality of life. The experience of sound is only the product of neural system activity, with no matching mechanical or vibratory activity in the cochlea, and is unrelated to any external sti... | The effectiveness of two types of low-level laser therapy in patients with persistent tinnitus | 10.1007/s10103-023-03797-z |
2023-06-02 | The frequency of extreme weather events has increased in the latest years in Europe. The recent consecutive droughts caused severe damage in many sectors and underlined the demand for adaptation. There is a need for a better understanding of the response of ecosystems to climate change and the consequences for key ecos... | Climatic drought impacts on key ecosystem services of a low mountain region in Germany | 10.1007/s10661-023-11397-1 |
2023-06-01 | Through the rapid carbonation test of SFRRC with different fiber volume fractions at ultra-low temperature, the influence of ultra-low temperature damage on the carbonation resistance of SFRRC was analyzed, which provides a theoretical basis for the application of SFRRC in ultra-low temperature engineering. The experim... | Effect of Ultra-low Temperature on Carbonation Performance of SFRRC and Prediction Model | 10.1007/s11595-023-2759-4 |
2023-06-01 | A computational study has been conducted to investigate the coupled effect of low temperatures and water saturation on the dynamic response of carbon/epoxy and E-glass/epoxy composite plates subjected to air blast and near-field explosive loading conditions. The temperature range considered corresponds to room temperat... | Effects of Low Temperature and Water Saturation on the Blast Response of Carbon and E-Glass Epoxy Composites | 10.1007/s40870-023-00373-y |
2023-06-01 | Vinblastine and catharanthine, mainly derived from Catharanthus roseus, are highly effective anticancer agents. With the increasing demand for Catharanthus roseus as their raw material, the cultivation gradually spread from south to north, in which planting and breeding are seriously affected by the cold climate in hig... | Metabonomics Reveals the Mechanism of Trehalose Protecting Catharanthus roseus Against Low-Temperature | 10.1007/s00344-022-10833-9 |
2023-06-01 | Graphene-aerogel-based flexible sensors have heat tolerances and electric-resistance sensitivities superior to those of polymer-based sensors. However, graphene sheets are prone to slips under repeated compression due to inadequate chemical connections. In addition, the heat-transfer performance of existing compression... | Hyperelastic Graphene Aerogels Reinforced by In-suit Welding Polyimide Nano Fiber with Leaf Skeleton Structure and Adjustable Thermal Conductivity for Morphology and Temperature Sensing | 10.1007/s42765-023-00268-6 |
2023-06-01 | In order to improve the charge transfer rate and Li + diffusion coefficient of LiFePO 4 (LFP), the material was surface treated with polyacrylonitrile/polyaniline (PAN/PANI). PAN/PANI polymers were synthesized by a self-assembly process, and LFP@PAN/PANI were prepared by a wet-coating process. LFP@PAN/PANI exhibits sup... | Influence of PAN/PANI polymer on low-temperature rate performance of LiFePO4 | 10.1007/s11581-023-04983-3 |
2023-06-01 | Aiming at high energy consumption and large Co loss in the pyrometallurgy of low-nickel matte, a process of NH 4 Cl roasting-water leaching was proposed to co-extract metals, followed by the separation and utilization of metals. The effect of several factors on metal extractions in NH 4 Cl roasting process and the opti... | Extraction efficiency of metals from low-nickel matte via NH4Cl roasting-water leaching process and synthesis of (Ni,Cu,Co)Fe2O4 photocatalyst | 10.1007/s11771-023-5342-4 |
2023-06-01 | Achieving high strength and reliable bonding below 150°C using Ag nanoparticle pastes is still a challenge. This work developed an organic-free nano-Ag multilayer film consisting of a compact layer and a loose layer using pulsed laser deposition (PLD). A high shear strength of 71.2 MPa was achieved with bonding at 150°... | Bonding Below 150°C Using Nano-Ag Film for Power Electronics Packaging | 10.1007/s11664-023-10358-1 |
2023-06-01 | Background Saussurea involucrata (Sik.) is alpine plant that have developed special adaptive mechanisms to resist adverse environmental conditions such as low temperature chilling during long-term adaptation and evolution. Exploring the changes of its metabolites under different temperature stresses is helpful to gain ... | Metabolomics-based exploration the response mechanisms of Saussurea involucrata leaves under different levels of low temperature stress | 10.1186/s12864-023-09376-4 |
2023-06-01 | Membrane distillation (MD) is a sustainable approach for the treatment of challenging saline water by effective removal of non-volatile compounds at high water recovery, offering near-to-zero liquid discharge to environment. Progressive efforts have been made in recent literature to mitigate membrane fouling and enhanc... | Mitigation of Thermal Energy in Membrane Distillation for Environmental Sustainability | 10.1007/s40726-023-00249-8 |
2023-06-01 | To study the modification mechanism of activated carbon (AC) by Fe and the low-temperature NH 3 -selective catalytic reduction (SCR) denitration mechanism of Fe/AC catalysts, Fe/AC catalysts were prepared using coconut shell AC activated by nitric acid as the support and iron oxide as the active component. The crystal ... | Low-temperature Denitration Mechanism of NH3-SCR over Fe/AC Catalyst | 10.1007/s11595-023-2721-5 |
2023-06-01 | Two-dimensional (2D) materials such as graphene and MoX 2 (X = S, Se, W, Te) are very important for the next-generation electronic devices. One of the most exciting materials in 2D materials is MoS 2 and the most important property that MoS 2 has, but graphene does not have, is the bandgap. For obtaining good quality o... | Low-temperature synthesis of MoS2 at 200 °C | 10.1007/s40042-023-00831-9 |
2023-06-01 | Abstract The review describes low-temperature reduction of (–)-mentholactone with diisobutylaluminum hydride in methylene chloride. Depending on the conditions, three products are formed: (2 S ,4 R ,7 S )-7-isopropyl-4-methyloxepan-2-ol [(–)-mentholactol), (6 R )-8-hydroxy-2,6-dimethyloctan-3-one, and (2 S ,4 R ,7 S )-... | Transformations of Seven-Membered Terpene Lactones toward Low-Molecular-Weight Bioregulators | 10.1134/S1070428023060015 |
2023-06-01 | Selective catalytic reduction (SCR) system is considered to be the most effective control method for reducing NO x in exhaust gas post-treatment of the diesel engine. Catalysts are the main factors affecting de-NO x efficiency in SCR reactions. In recent years, due to the excellent characteristics of copper zeolite cat... | Research progress on selective catalytic reduction of NOx by NH3 over copper zeolite catalysts at low temperature: reaction mechanism and catalyst deactivation | 10.1007/s11164-022-04938-9 |
2023-06-01 | Mechanical behavior and deformation essence of frozen soft rock under complex environmental conditions is crucial for frozen shaft engineering. The strength and deformation properties of sandstones under different low temperatures were investigated by conducting uniaxial and triaxial compression tests. The energy chara... | Mechanical properties and energy-dissipation mechanism of frozen coarse-grained and medium-grained sandstones | 10.1007/s11771-023-5344-2 |
2023-06-01 | The application of biomass pyrolysis was still limited owing to the high pyrolysis temperature and the complicacy of pyrolysis products. In this work, a homogeneous low-temperature cellulose catalytic pyrolysis system is proposed to directional products 5-methylfurfural. The low-temperature catalytic activity and produ... | Low-Temperature Catalytic Pyrolysis of Cellulose to Directional Products 5-Methylfurfural by Magnetic Ionic Liquid | 10.1007/s12155-022-10494-2 |
2023-06-01 | In this paper, low-grade limonitic nickel laterite and chromite were synergistically utilized via the hybrid sintering process (i.e., pellet-sintering process) for high-quality Ni–Cr sinter preparation and great carbon emission reduction. Under the optimum process conditions, Ni–Cr sinter indices were substantially imp... | Reduction of Carbon Footprint Through Hybrid Sintering of Low-Grade Limonitic Nickel Laterite and Chromite Ore | 10.1007/s40831-023-00676-3 |
2023-06-01 | Lithium-sulfur (Li-S) batteries have demonstrated the potential to conquer the energy storage related market due to the extremely high energy density. However, their performances at low temperature are still needed to be improved to broaden their applications. Therefore, in this review, the basic failure mechanisms and... | Challenges and advances on low-temperature rechargeable lithium-sulfur batteries | 10.1007/s12274-022-4983-1 |
2023-06-01 | Melatonin (Mel) and CaCl 2 have been demonstrated to play significant roles in plant cold tolerance. However, studies on their mechanisms of action are relatively limited. In this study, the effects of Mel and CaCl 2 on the growth of cucumber seedlings under low-temperature stress (10 °C/6 °C, day/night) and the possib... | Exogenous Melatonin and CaCl2 Alleviate Cold-Induced Oxidative Stress and Photosynthetic Inhibition in Cucumber Seedlings | 10.1007/s00344-022-10805-z |
2023-06-01 | Magnetization roasting is one of the most effective way of utilizing low-grade refractory iron ore. However, the reduction roasting of siderite (FeCO 3 ) generates weakly magnetic wüstite, thus reducing iron recovery via weak magnetic separation. We systematically studied and proposed the fluidized preoxidation-low-tem... | Fluidized magnetization roasting of refractory siderite-containing iron ore via preoxidation–low-temperature reduction | 10.1007/s12613-022-2576-3 |
2023-06-01 | Haptophytes are emerging as sustainable sources of high-value metabolites such as polyunsaturated fatty acids (PUFAs). The goal of this work was to isolate a native haptophyte from the southwestern Atlantic coast and to evaluate the effect of low-temperature stress on the concentration of PUFAs, sterols, and pigments d... | Pavlova gyrans as a potential source of essential fatty acids, sterols and pigments: culture under low temperature | 10.1007/s10811-023-02943-y |
2023-06-01 | Low-cycle fatigue (LCF) behavior of the directionally solidified (DS) nickel-based DZ125 superalloy was studied at elevated temperature (980 °C). Specimens were, respectively, exposed for 0, 2, 25, 50, and 100 h in air. The fatigue life of pre-exposed specimens is lower than that of unexposed specimens. The result is c... | Low-cycle fatigue behavior of DZ125 superalloy under prior exposure conditions | 10.1007/s12598-016-0874-5 |
2023-06-01 | In this study, the microstructural evolutions, phase equilibrium, mechanical properties and fracture mechanism of hot-rolled and post-weld solution-treated Fe-12.5Mn-9.8Al-1.0C(wt.%) low-density steel welded joints were investigated. Optical microscopy (OM), scanning electron microscope (SEM), eelectron backscatter dif... | The Microstructure and Mechanical Properties of Welded Joints of Hot-Rolled and Post-Weld Solution-Treated Fe-12.5Mn-9.8Al-1.0C Low-Density Steel | 10.1007/s11665-022-07455-3 |
2023-06-01 | Low-temperature combustion in diesel engines gained prominence because of their ability to meet the current emission standards without NOx and PM trade-off. Among the low-temperature combustion concepts, premixed charge compression ignition (PCCI) offers an in-cylinder emission reduction with minimal to zero engine mod... | PCCI combustion of low-carbon alternative fuels: a review | 10.1007/s10973-023-12108-1 |
2023-06-01 | The demand for cold-resistant coatings that can be applied at low temperatures is rapidly growing, especially for polar cables requiring extreme cold resistance. These cables also need extreme cold resistance and organic solvent-free or water-dispersion coating resins that do not produce volatile organic compounds. In ... | Low-Temperature Flexible WPU-PDMS Copolymers for Cold-Resistant Coating Applications | 10.1007/s12221-023-00227-3 |
2023-06-01 | The superconductivity and nontrivial topological electronic state are key hallmarks of topological superconductors. Here, we focus on the transport signals of possible topological surface state in the topological superconductor candidate β-PdBi 2 nanoflake with a thickness of 21 nm. The resistance demonstrates a semico... | Transport signatures of the topological surface state induced by the size effect in superconductor β-PdBi2 | 10.1007/s11433-023-2103-2 |
2023-06-01 | The accumulation of heavy metals in water bodies degrades the water quality and availability. Heavy metals are toxic and can be fatal if consumed. Various techniques such as ion-exchange, precipitation, and adsorption have been used to extract heavy metals in wastewater. The process of adsorption will be reviewed in th... | Peanut Shell-Derived Biochar as a Low-Cost Adsorbent to Extract Cadmium, Chromium, Lead, Copper, and Zinc (Heavy Metals) from Wastewater: Circular Economy Approach | 10.1007/s43615-022-00207-4 |
2023-06-01 | One of the seismic retrofit methods is applying heat to transfer the failure location from the near column into the beam. In this method, by heating a section of the beam, changes the mechanical characteristics of the beam, such as enhancing the ductility and decreasing the yield as well as the ultimate strength in tha... | Experimental Investigation on Ductile Failure in Heat Retrofitted Connections by Ultra-Low Cycle Fatigue Method | 10.1007/s13296-023-00712-8 |
2023-06-01 | Abstract This article reviews the main properties of the modular design of small nuclear power plants (SNPPs), shows the possibility of reducing the cost and construction time of this class of plants through factory production, the effect of serialization, and the reduction of redundant safety systems. The prospects fo... | Prospects for the Development of Small Nuclear Power Plants in Russia | 10.1134/S1019331623010136 |
2023-06-01 | The subject of this study was the application of a novel CO 2 -based low-molecular weight poly (propylene carbonate) diol (PPCD) in the field of adhesive. Two-component polyurethane adhesive (PPCD-PU) was prepared with PPCD and polymethylene polyphenyl polyisocyanate (PAPI) as raw materials, propylene carbonate diol (P... | Novel CO2-based low-molecular weight poly (propylene carbonate) diol (PPCD) for two-component polyurethane adhesive | 10.1007/s11696-023-02708-4 |
2023-06-01 | The development of a realistic numerical model that predicts the impact behavior of adhesively bonded composite joints is important for many industrial sectors such as automotive, aerospace, and marine. In this study, it was aimed to develop a numerical model that can predict the low-velocity oblique impact behavior of... | Finite Element Analysis of Low-Speed Oblique Impact Behavior of Adhesively Bonded Composite Single-Lap Joints | 10.1007/s10443-023-10119-7 |
2023-06-01 | Abstract Low-temperature combustion synthesis was used both for modifying silica gel support with 10 and 20 wt % Al 2 O 3 and for producing supported catalysts with 10 wt % of Co active phase. Prepared catalysts were characterized by XRD, SEM, EDS, and BET method. It was revealed that these catalysts contain oxides, al... | Low-Temperature Combustion Synthesis and Characterization of Co-Containing Catalysts Based on Modified Silica Gel | 10.3103/S1061386223020024 |
2023-06-01 | This study reports on the investigation of the melting behavior and mechanical properties of Sn–Bi–In ternary solders, which has two ternary eutectic points (59 °C and 76 °C), with six different compositions chosen from the liquidus line from the In–Sn eutectic point (118 °C) to the ternary eutectic point at 59 °C. We ... | Investigation of Sn–Bi–In ternary solders with compositions varying from In–Sn eutectic to 59 °C ternary eutectic point | 10.1007/s40042-023-00788-9 |
2023-06-01 | The reservoir properties and gas-bearing characteristics of different lithotypes of lignite are different, resulting in complex migration and accumulation laws of methane in lignite. Following systematic collections of samples of different lithotypes from the Erlian Basin, occurrence modes and storage potential of meth... | Storage Potential of Multi-State Fluids in Different Lithotypes of Lignite: An In Situ Water-Gas-Bearing Analysis Based on Nuclear Magnetic Resonance | 10.1007/s11053-023-10172-w |
2023-06-01 | To cope with the problem of global warming caused by greenhouse gases, an environmentally friendly working fluid with low global warming potential (GWP) value was proposed to replace R507A which has a higher GWP value. This paper evaluated the thermodynamic properties and cycle performance of the alternative named RTB1... | Thermodynamic analysis of a lower-GWP and nonflammable alternative to R507A | 10.1007/s10973-023-12121-4 |
2023-06-01 | Abstract The properties and mechanisms of fracture of hybrid composite materials (HCMs) based on flexible and brittle matrices reinforced with hybrid fibers of carbon, aramid, and ultrahigh molecular weight polyethylene (UHMWPE) are studied by the method of impact break (IB) under low speed impact. The composition of t... | Effect of the Hybridization of Carbon Fibers with Aramid and UHMWPE Fibers on the Impact Properties of Hybrid Carbon Fiber Reinforced Plastics | 10.1134/S2075113323030218 |
2023-06-01 | The two interfaces in direct contact with the channel are the main factors affecting the performance of MoS 2 FETs. They are the source–drain electrode contacts and the interface between the channel and the gate dielectric material. As carriers move through the channel, they may fluctuate if they encounter a non-unifor... | Optimization of two major interfaces in MoS2 FETs with low frequency noise analysis | 10.1007/s40042-023-00825-7 |
2023-06-01 | In the metal additive manufacturing (AM) process of laser powder bed fusion (LPBF), there are a limited number of materials suitable for producing parts with high density and desired mechanical properties. To establish novel materials, it is essential to determine optimized process parameters in order to overcome proce... | Systematic approach to process parameter optimization for laser powder bed fusion of low-alloy steel based on melting modes | 10.1007/s00170-023-11377-2 |
2023-06-01 | Here we examine the water stable-isotope data from the Roosevelt Island Climate Evolution (RICE) ice core. Roosevelt Island is an independent ice rise located at the northeastern margin of the Ross Ice Shelf. In this study, we use empirical orthogonal function (EOF) analysis to investigate the relationship between RICE... | The role of large-scale drivers in the Amundsen Sea Low variability and associated changes in water isotopes from the Roosevelt Island ice core, Antarctica | 10.1007/s00382-022-06568-8 |
2023-06-01 | In recent years, high refractive index polythiourethane materials have attracted increasing attention. In this study, the soft segment part of conventional polyurethane was replaced by ethylenedithiol, and a series of nanocomposite films containing Mercaptoethanol (ME) capped ZnS NPs were prepared by UV curing after th... | Polythiourethane composite film with high transparency, high refractive index and low dispersion containing ZnS nanoparticle via thiol-ene click chemistry | 10.1007/s13233-023-00144-7 |
2023-06-01 | Key technical innovations in the construction of Baihetan Hydropower Station Project | 10.1007/s42524-023-0253-5 | |
2023-06-01 | SARS-CoV-2 contaminated items in the cold chain becomes a threat to public health, therefore the effective and safe sterilization method fit for the low temperature is needed. Ultraviolet is an effective sterilization method while its effect on SARS-CoV-2 under low-temperature environment is unclear. In this research, ... | High-Intensity Ultraviolet-C Irradiation Efficiently Inactivates SARS-CoV-2 Under Typical Cold Chain Temperature | 10.1007/s12560-023-09552-5 |
2023-06-01 | The high applicability of Bacterial Cellulose (BC) is often challenging due to its high production costs, which ultimately prevents its widespread use. Therefore, the present study aimed to investigate BC production using alternative feedstock to replace high-cost synthetic carbon and nitrogen sources and to evaluate t... | Sustainable bacterial cellulose production by low cost feedstock: evaluation of apple and tea by-products as alternative sources of nutrients | 10.1007/s10570-023-05238-0 |
2023-06-01 | Bauxite is widely used to produce alumina. There are many bauxite resources with high iron content. These resources could not be processed and utilized efficiently due to the high concentration of iron (Fe). The alkaline leaching process has been proposed to remove iron from these bauxite resources. Therefore, in this ... | Simultaneous Application of Oxalic Acid and Sodium Dithionite for Synchronous Removal of Iron and Silica from Low-Grade Bauxite: Kinetics and Mechanism | 10.1007/s40831-023-00661-w |
2023-06-01 | Industrial effluent is not always safe to the environment because of the presence of huge amounts of substantial heavy metals like arsenic, cadmium, chromium, nickel, mercury, etc. If the wastewater is disposed of in the environment without any prior treatment, it will result in environmental pollution that would affec... | Effective removal of heavy metal: mercury concentration using natural adsorbents | 10.1007/s10668-023-03123-1 |
2023-06-01 | Abstract Upgraded plasma source based on atmospheric pressure glow discharge device and features of its operation are presented. The main purpose of the upgraded device is the generation of metal-contained plasma flows. A brief review of the state-of-the-art methods for generating metal-containing plasma at atmospheric... | Metal-Containing Plasma Source Based on Atmospheric Pressure Glow Discharge | 10.1134/S1063780X23600238 |
2023-06-01 | Abstract This paper presents an overview of epoxy compounds used to obtain low-combustible and fire-safe polymer composite materials. | Epoxy Binders for the Creation of Low-Combustible and Fire-Safe Types of Polymer-Composite Materials | 10.1134/S1995421223020119 |
2023-06-01 | Agriculture is one of the exposed sectors to abiotic stress conditions. There are diverse abiotic stress in which low temperature is an important abiotic stress limiting plant growth and development. The low temperature (0–20 °C) adaptive microbial communities are of particular interest because of their adaptability to... | Mitigation of low temperature stress and plant growth promotion in barley (Hordeum vulgare L.) by inoculation of psychrotrophic P-solubilizing Serratia nematodiphila EU-PW75 | 10.1007/s42976-022-00324-8 |
2023-06-01 | Two-dimensional (2D) hybrid metal halide perovskite is receiving more interest today due to being more stable and having a higher surface area-to-volume ratio than 3-dimensional (3D) hybrid metal halide perovskites. To create a 2D structure with high-efficiency properties, the A cation in the parental 3D structure shou... | Structural, electronic, and optical properties of lower-dimensional hybrid perovskite lead-iodide frameworks + SOC via density functional theory | 10.1007/s42247-023-00484-1 |
2023-06-01 | Low-temperature silicon nitride (SiN x ) films deposited by plasma-enhanced chemical vapor deposition (PECVD) have huge application potential in the flexible display. However, the applicability of SiN x largely depends on the film’s general properties, including flexibility, deposition rate, residual stress, elastic mo... | Global optimization of process parameters for low-temperature SiNx based on orthogonal experiments | 10.1007/s40436-022-00423-z |
2023-06-01 | Abstract Comparative data about the combustibility of adhesives of different chemical compositions are presented. The application of epoxy oligomers with chlorine or bromine atoms is considered for producing materials with enhanced fire-safety properties. The potential of adding phosphazenes with epoxy groups to adhesi... | Adhesive-Material Combustibility-Reduction Methods. Part 2. Combustibility Reduction by Adding Low-Combustibility Oligomers | 10.1134/S1995421223020338 |
2023-06-01 | Adhesively bonded repaired aircraft composite structures are also susceptible to low-velocity impact (LVI) events. However, the impact responses and the residual behaviors of the bonded repaired structures are still not expressly revealed. In this paper, the impact damage resistance and residual compression behaviors o... | Experimental Study on Impact Damage Resistance and Residual Compression Behaviors of Scarf Repaired Composite Plates | 10.1007/s10443-023-10118-8 |
2023-06-01 | Abstract Combustibility requirements for aircraft materials are shown. Data are presented about the main methods of making adhesives less combustible by adding fire retardants, such as halogenous and phosphoric compounds, as well as mineral fillers that release carbon dioxide and water vapor upon heating. Properties an... | Adhesive-Material Combustibility-Reduction Methods. Part 1 | 10.1134/S1995421223020326 |
2023-06-01 | Near-surface projected wind changes in the Caribbean Sea (CAR) related to climate warming are analyzed using 24 General Circulation Models (GCM) from the CMIP6 intercomparison project. A multi-model ensemble mean is constructed to evaluate wind changes in CAR and the Caribbean Low Level Jet (CLLJ), using three differen... | Projected wind changes in the Caribbean Sea based on CMIP6 models | 10.1007/s00382-022-06535-3 |
2023-06-01 | Coherent elastic neutrino-nucleus scattering (CE $$\nu $$ ν NS), detected for the first time more than 40 years after its prediction, represents an experimental challenge because of its signature: a single nuclear recoil with energy in the range of 10 eV to a few 10’s keV on average. One of the main features of CE $$\n... | First Tests of Li
$$_2$$
2
WO
$$_4$$
... | 10.1007/s10909-022-02911-9 |
2023-06-01 | Cryogenic detector and qubit readout systems often include radio-frequency low-pass filters (LPFs) at the input/output paths to protect the sensitive devices from stray radiation traveling down the coaxial lines. For this application, a popular solution is to use custom-made copper powder filters, which are LPFs with i... | A Superconducting RF Low-Pass Filter Based on Ti/TiN Artificial Transmission Line for Detector and Qubit Readout | 10.1007/s10909-022-02918-2 |
2023-06-01 | Composite sandwich panels are known to possess high specific mechanical strength and impact resistance. The low-velocity impact test is performed to assess the impact resistance, damage tolerance, and strength of panels. Generally, it is difficult to calculate the damaged area induced by the impact test on the panels b... | Evaluation of Damage Area on Low-Velocity Impact Tested AA3003 Sandwich Panels Using Digital Image Analysis: A Novel Method | 10.1007/s40033-022-00382-6 |
2023-06-01 | Alkyl polycyclic aromatic hydrocarbons (APAHs) are more toxic and persistent than their parent compounds. In this study, the concentrations of polycyclic aromatic compounds (PACs) in dust, topsoil and coal gangue from Huaibei Coal mine, China were analyzed by gas chromatography-mass spectrometry, confirming APAHs were ... | Contamination characteristics of alkyl polycyclic aromatic hydrocarbons in dust and topsoil collected from Huaibei Coalfield, China | 10.1007/s10653-022-01365-y |
2023-06-01 | Millimeter-sized objects like engine components, sand particles, or debris impact on the gas turbine blades very frequently during operation of a gas turbine. This is one of the major concerns in the aviation industry, and various studies and research have been done throughout the decades in preventing the damage. Such... | Low-Velocity Impact Damage Due to Debris Particles Impacted on Titanium Alloy (Ti–6Al–4V) Gas Turbine Blades | 10.1007/s40033-022-00372-8 |
2023-06-01 | Global warming is partly caused by massive emissions of carbon dioxide (CO 2 ), a greenhouse gas, in the atmosphere by industrial and other human activities. Consequently, there is a need for advanced methods to store and transform CO 2 into value-added chemicals, materials, and fuels. In particular, the electrochemica... | Electrochemical reduction of carbon dioxide into valuable chemicals: a review | 10.1007/s10311-023-01565-7 |
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