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2020-09-01 | We investigated the rheological behavior of linear low-density polyethylene (LLDPE)/polylactic acid (PLA) blends in the presence of modified and non-modified silica nanoparticles in extensional flow. Characterization methods were used as Fourier transform infrared spectroscopy, scanning electron microscopy, and rheomet... | Elongational behavior of silica nanoparticle-filled low-density polyethylene/polylactic acid blends and their morphology | 10.1007/s00397-020-01225-5 |
2020-09-01 | Abstract The use of ultrahigh-molecular-weight polyethylene (UHMWPE) in manufacturing is proposed—in particular, for the cuffs of hydraulic drives. The properties of UHMWPE are considered, in comparison with other types of polyethylene. | Using Ultrahigh-Molecular-Weight Polyethylene in Hydraulic Drives | 10.3103/S1068798X20090208 |
2020-09-01 | The static-implicit finite element method was used to simulate the low plasticity ball burnishing process using two-dimensional (2-D) and three-dimensional (3-D) models. The simulations were performed using an elastic-rigid strain hardening plastic flow model. The residual stress distribution along the surface layer of... | Prediction of residual stresses in ball burnishing TI6AL4V thin sheets | 10.1007/s00170-020-05837-2 |
2020-09-01 | The low-grade siliceous chromite ore from Ghutrigaon, Odisha, India, containing ~ 16% Cr 2 O 3 , with Cr/Fe ratio of 1.97 and ~ 55% of SiO 2 , does not find any use in metallurgical industry and hence considered as waste. Mineralogical investigation indicates the presence of chromite and quartz as major minerals with m... | Processing of Low-Grade Chromite Ore for Ferroalloy Production: A Case Study from Ghutrigaon, Odisha, India | 10.1007/s12666-020-02032-5 |
2020-09-01 | Abstract Optimization criteria are proposed for processes of separating ethylene and propylene from a mixture of low-boiling gases. These criteria are based on the physicochemical properties of substances and take into account special techniques used for separating such mixtures. Unlike the existing criteria based on c... | Developing Optimization Criteria for Processes of Separating Low-Boiling Gases | 10.1134/S0040579520050024 |
2020-09-01 | Abstract This article describes an approach to evaluating the resource of automatic coupler bodies against the criteria of the metalwork strain damage rate. The results of this study are used to analyze the resource life of an automatic coupler body, including determination of its safe operation life. | The Modeling Burden and Resource of an Automatic Coupler Body by Techniques of Numerical Analysis | 10.3103/S105261882005009X |
2020-09-01 | Taxonomic complexities, like environmental plasticity and homoplasy, make precise identification challenging in Calamus , the genus of spiny climbing palms of the subfamily Calamoideae (Arecaceae). In the present study, the species discriminatory power of twelve potential DNA barcode regions ( rbc L, mat K, psb A- trn ... | The low copy nuclear region, RPB2 as a novel DNA barcode region for species identification in the rattan genus Calamus (Arecaceae) | 10.1007/s12298-020-00864-5 |
2020-09-01 | Abstract The formation of thin nanoscale films of metal silicides Me Si ( Me : Li, Rb, K and Cs) is studied by electron spectroscopy techniques, scanning electron microscopy, and slow electron diffraction. As a result of the high dose (10 17 cm –2 ) implantation of low-energy (5 keV) Li, Rb, K and Cs ions into Si(111) ... | Structure of МеSi Silicide Films (Me: Li, Rb, K and Cs) According to Electron Microscopy Data and the Diffraction of Slow Electrons | 10.1134/S1027451020050365 |
2020-09-01 | Activation of glial cells (including microglia and astrocytes) appears central to the initiation and progression of neuroinflammation in Alzheimer’s disease (AD). The low-density lipoprotein receptor-related protein 1 (LRP1) is a major receptor for amyloid-β (Aβ), which plays a critical role in AD pathogenesis. LRP1 re... | Silencing of LRP1 Exacerbates Inflammatory Response Via TLR4/NF-κB/MAPKs Signaling Pathways in APP/PS1 Transgenic Mice | 10.1007/s12035-020-01982-7 |
2020-09-01 | Abstract A low-velocity vertical impact method was considered on various composite specimens. Impact damage areas were studied by the ultrasonic echo-pulse method, the damage size dependence on impact energy was determined in various polymer composite materials. Damaged specimens were tested in compression to determine... | The Study of Strength of Composites under Impact | 10.3103/S1068799820030046 |
2020-09-01 | Fluoride is an essential trace element for humans, and its deficiency or excess in the environment could lead to disease. To investigate the spatial distribution and health risk assessment of fluoride (F − ) in drinking water, 302 tap water samples from Chongqing urban areas, China, were collected to analyze F − using ... | Spatial variation and health risk assessment of fluoride in drinking water in the Chongqing urban areas, China | 10.1007/s10653-020-00532-3 |
2020-09-01 | Low-abundance proteins (LAPs) play a very important role in interaction, regulation, and metabolism of plant biological processes. A combinatorial peptide ligand library (CPLL) can solve the problem of high-abundance proteins (HAPs) masking LAPs and enlarging the dynamic range of protein concentrations perfectly and be... | Insight of low-abundance proteins in rice leaves under Cd stress using combinatorial peptide ligand library technology | 10.1007/s00216-020-02760-z |
2020-09-01 | Abstract Optimal formulations of low-viscosity marine fuel (LMF) involving heavy diesel fractions of secondary origin and containing cold flow improvers and antioxidants have been found by mathematical modeling using the pour point, sulfur content, and density as critical parameters. The experimentally obtained charact... | Low-Viscosity Marine Fuel Based on Heavy Diesel Fractions of Secondary Origin: Problems and Solutions | 10.1134/S0965544120090030 |
2020-09-01 | Phosphorus (P) is one of the essential macronutrients for rice. In this study, we used 120 rice backcross recombinant inbred lines (BRILs) derived from a cross indica cv. Changhui 891 and japonica cv. 02428. To elucidate the genetic control of P deficiency tolerance in rice, we have used high quality SNPs bin markers t... | Genetic mapping and identification of new major loci for tolerance to low phosphorus stress in rice | 10.1007/s12298-020-00858-3 |
2020-09-01 | Environmental cues like noise, pressure, and circadian rhythm can affect the hearing ability of human beings. Nevertheless, the complex physiology of the human being does not allow us to understand how these factors can affect hearing and hearing-related behaviors. Conversely, these effects can be easily checked using ... | Environmental cue affects the hearing-related behaviors of Drosophila melanogaster by targeting the redox pathways | 10.1007/s11356-020-09141-0 |
2020-09-01 | Group-1 homoelog genes in wheat genomes encode storage proteins and are the major determinants of wheat product properties. Consequently, understanding the genetic diversity of group-1 homoelogs and genes encoding storage proteins, especially the low-molecular-weight glutenins (LMW-GSs), within wheat landrace genomes i... | The genetic diversity of group-1 homoeologs and characterization of novel LMW-GS genes from Chinese Xinjiang winter wheat landraces (Triticum aestivum L.) | 10.1007/s13353-020-00564-6 |
2020-09-01 | The paper deals with the dislocation and dislocation-disclination substructures of polycrystalline FCC alloys Cu–Al and Cu–Mn modified by tensile deformation. Observations are performed using the transmission electron microscopy. It is shown that the grain size of the alloy structure ranging from 10 to 240 μm, can serv... | Critical Grain Size at Meso-Level after Deformation of Polycrystalline Metals and Alloys in Low-Stability State | 10.1007/s11182-020-02097-1 |
2020-09-01 | Abstract In the present work, copper(II) oxide nanoparticles were prepared using simple and low-cost from calcination of CuSO 4 or Cu(OAC) 2 at the presence of polyvinyl alcohol (PVA) in a weight ratio of 1 : 1 at 600°C for 3 h. The basic properties of CuO nanoparticles were described by Fourier Transform Infrared (FT-... | Synthesis, Characterization, and Antibacterial Activity of Copper(II) Oxide Nanoparticles Prepared by Thermal Decomposition | 10.1134/S1027451020050109 |
2020-09-01 | Abstract Preore metasomatites of epithermal gold–silver deposits are formed by various types of hydrothermal solutions—from highly acidic and oxidized (argillization, alunitization, secondary quartzites) and moderately acid (sericitization) to rather reduced and alkaline (adularia). The possible processes creating high... | Formation Environments of Metasomatites and Ores of the Epithermal Gold–silver Deposits | 10.1134/S1075701520050037 |
2020-09-01 | This paper presents an optimum design of an ultra-wideband (UWB) 2.5–10.5-GHz low-noise amplifier (LNA) in 180-nm and 65-nm radiofrequency (RF)-complementary metal–oxide–semiconductor (CMOS) technology. A novel input matching network employing resistive–inductive feedback and a noise-canceling technique is proposed to ... | Optimum design of a new ultra-wideband LNA using heuristic multiobjective optimization | 10.1007/s10825-020-01513-6 |
2020-09-01 | Abstract Geological records of the Matuyama–Brunhes (M–B) geomagnetic reversal facilitate the development of an age model for sedimentary and volcanic sequences and help decipher the dynamics of the Earth’s magnetic field. However, the structure of the geomagnetic field during the M–B geomagnetic reversal remains contr... | A full sequence of the Matuyama–Brunhes geomagnetic reversal in the Chiba composite section, Central Japan | 10.1186/s40645-020-00354-y |
2020-09-01 | Background The glove single-port laparoscopic appendectomy is a novel single incision laparoscopic technique (SILT) which is extremely cheaper than the other commercial devices. Objective This study aimed to compare conventional laparoscopic appendectomy (CLA) and glove single port laparoscopic appendectomy (GSPLAP) in... | Modified glove single-port laparoscopic appendectomy versus conventional laparoscopic appendectomy in adolescent age under spinal anesthesia | 10.1007/s42804-019-00038-5 |
2020-09-01 | The aim of this study was to evaluate the osseointegration of implants placed in areas grafted with different osteoconductive bone substitutes irradiated with infrared low-level laser therapy (LLLT). Fifty-six rats were randomly allocated into 4 groups: DBB, bone defects filled with deproteinized bovine bone graft (DBB... | Low-level laser therapy (LLLT) in sites grafted with osteoconductive bone substitutes improves osseointegration | 10.1007/s10103-019-02943-w |
2020-09-01 | Phloroglucinol is a three-hydroxyl phenolic compound and has diverse physiological and pharmacological activities such as antivirus and anti-inflammatory activities. Chemical synthesis of phloroglucinol suffered from many drawbacks such as high cost and environmental pollution. To avoid the above issues, microbial phlo... | Metabolic engineering of E. coli for producing phloroglucinol from acetate | 10.1007/s00253-020-10591-2 |
2020-09-01 | Atherosclerosis is a significant cause of mortality and morbidity. Studies suggest that the chemokine receptor CX3CR1 plays a critical role in atherogenesis. Shear stress is an important mechanical force that affects blood vessel function. In this study, we investigated the effect of shear stress on CX3CR1 expression i... | Low Shear Stress Upregulates CX3CR1 Expression by Inducing VCAM-1 via the NF-κB Pathway in Vascular Endothelial Cells | 10.1007/s12013-020-00931-4 |
2020-09-01 | MCML (MOS Current Mode Logic) based implementation producing fast response and compliment output at the same time gives an impetus to the researcher to replace Bulk CMOS. Moreover, tremendous challenges faced by bulk CMOS at channel lengths below 45 nm induces a need to strive for a technological replacement of silicon... | Ultra high speed and novel design of power-aware CNFET based MCML 3-bit parity checker | 10.1007/s10470-020-01609-w |
2020-09-01 | There was few studies using the simultaneous reduction of fat and sodium chloride, as well as the stability of the meat products with these reductions. This study aimed to evaluate the effects of fat and sodium chloride reduction in beef burgers during storage. For this, two treatments were produced: T1—without fat and... | Storage of beef burgers containing fructooligosaccharides as fat replacer and potassium chloride as replacing sodium chloride | 10.1007/s13197-020-04354-0 |
2020-09-01 | MiR-223 is closely associated with pathogenesis of coronary artery disease (CAD); however, the molecular mechanisms are unclear. In the present study, the human vascular endothelial cells (ECs) were isolated from patients undergoing coronary artery bypass graft and treated with oxidized low-density lipoprotein (ox-LDL)... | Upregulation of miR-223 abrogates NLRP3 inflammasome-mediated pyroptosis to attenuate oxidized low-density lipoprotein (ox-LDL)-induced cell death in human vascular endothelial cells (ECs) | 10.1007/s11626-020-00496-9 |
2020-09-01 | As a new type of computing, cloud computing has led to a major computational change. Among many technologies in cloud computing, task scheduling has always been studied as a core issue by industry and academia. In the existing research, the main goal is completion time or load balancing. However, as the expansion of cl... | A low-power task scheduling algorithm for heterogeneous cloud computing | 10.1007/s11227-020-03163-8 |
2020-09-01 | Hydrologic characteristics including extreme-flow events in many rivers around the world have been altered due to the climate change and human activities. Most available research concerns about the extreme event trend, frequency and duration in a single river rather than the synchronicity or coincidence probability amo... | Coincidence probability analysis of hydrologic low-flow under the changing environment in the Wei River Basin | 10.1007/s11069-020-04051-3 |
2020-09-01 | The results of an expert survey of 1024 ground dams of class IV located in the Moscow Region were processed by the methods of the system theory of reliability. Exponential curves for unsatisfactory and dangerous safety levels retained by structures are constructed. The period during which the dam safety level will decr... | The Failure Rate of Low-Head Ground Dams of Dangerous and Unsatisfactory Safety Level | 10.1007/s10749-020-01213-y |
2020-09-01 | Abstract In this publication, the discussion is focused on issues related to the stratigraphy and chronology of the Karama Lower Paleolithic site in the Altai Mountains in light of the article “Debatable Aspects of Initial Human Colonization of Siberia and Age of the Karama Site in the Altai Mountains” by V.S. Zykin, V... | Comments on the “Debatable Aspects of Initial Human Colonization of Siberia and Age of the Karama Site in the Altai Mountains” by V. S. Zykin, V. S. Zykina, and L. G. Smolyaninova | 10.1134/S0869593820050056 |
2020-08-31 | Time dependent low-velocity single and multiple impact response of functionally graded (FG) untwisted and pretwisted conical shells are analysed considering porosity factor. A modified Hertzian contact law which accounts for permanent indentation is considered for the low velocity impact problem. An eight-noded isopara... | Time dependent response of impact induced functionally graded conical shell considering porosity | 10.1007/s12046-020-01455-6 |
2020-08-29 | This article examines the development of a low-cost and portable set-up controlled by an Arduino board to perform Reflectance Transformation Imaging technique, from the information derived from 45 digital photographs of an object acquired using a stationary camera. The set-up consists of 45 high-intensity light emittin... | Arduino-controlled Reflectance Transformation Imaging to the study of cultural heritage objects | 10.1007/s42452-020-03343-4 |
2020-08-28 | 166.6-MHz quarter-wave $$\beta =1$$ β = 1 superconducting cavities have been adopted for the High Energy Photon Source, a 6-GeV diffraction-limited synchrotron light source currently under construction. A large helium jacket was required to accommodate the enlarged cavity beam pipe for the heavy damping of higher-order... | Development of a low-loss magnetic-coupling pickup for 166.6-MHz quarter-wave beta
$$=$$
=
1 superconducting cavities | 10.1007/s41365-020-00795-6 |
2020-08-27 | Background The main purpose of this study is to investigate the effect of silodosin on the urodynamic consequences in a previously established model of lower urinary tract symptoms associated with benign prostate hyperplasia, the spontaneously hypertensive rats (SHR) supplemented with testosterone. Methods Three groups... | Silodosin improves functional consequences of lower urinary tract obstruction secondary to benign prostate hypertrophy, a proof of concept study in the spontaneously hypertensive rat supplemented with testosterone | 10.1186/s12894-020-00699-y |
2020-08-26 | Background Cardiovascular disease (CVD) is the leading cause of mortality worldwide. The effect of socioeconomic factors on cause-specific mortality and burden of CVD is rarely evaluated in low- and middle-income countries, especially in a rapidly changing society. Methods Original data were derived from the vital regi... | Associations of socioeconomic factors with cause-specific Mortality and burden of cardiovascular diseases: findings from the vital registration in urban Shanghai, China, during 1974–2015 | 10.1186/s12889-020-09390-1 |
2020-08-26 | The importance of the investigation of magnetic superstorms is not limited to academic interest, because these superstorms can cause catastrophic impact on the modern civilisation due to our increasing dependency on technological infrastructure. In this context, the Carrington storm in September 1859 is considered as a... | South American auroral reports during the Carrington storm | 10.1186/s40623-020-01249-4 |
2020-08-25 | Background Routine health information systems (RHISs) support resource allocation and management decisions at all levels of the health system, as well as strategy development and policy-making in many low- and middle-income countries (LMICs). Although RHIS data represent a rich source of information, such data are curr... | Using routine health information data for research in low- and middle-income countries: a systematic review | 10.1186/s12913-020-05660-1 |
2020-08-24 | Background The prevalence of chronic constipation is increased in females and with age or environmental (low temperature), racial, socioeconomic, and habitual risk factors. The impact of low outside temperature on constipation drug use remains unclear. Here, we investigated risk factors for constipation drug use by eva... | Factors correlated with drug use for constipation: perspectives from the 2016 open Japanese National Database | 10.1186/s12876-020-01425-6 |
2020-08-24 | Background Most newborn deaths occur among those of low birthweight (LBWt), due to prematurity &/or impaired fetal growth. Simple practices can substantially mitigate this risk. In low-income country settings where many births occur at home, strategies are needed that empower mothers to determine if their babies are at... | Community-based cluster randomized controlled trial: empowering households to identify and provide appropriate care for low-birthweight newborns in Nepal | 10.1186/s12889-020-09317-w |
2020-08-21 | Background Cardiac Ca 2+ /calmodulin-dependent protein kinase II (CaMKII) activation plays a critical role in cardiomyocyte (CM) apoptosis and arrhythmia. Functional ATP-sensitive potassium (K ATP ) channels are essential for cardiac protection during ischemia. In cultured CMs, L5 low-density lipoprotein (LDL) induces ... | Atherogenic L5 LDL induces cardiomyocyte apoptosis and inhibits KATP channels through CaMKII activation | 10.1186/s12944-020-01368-7 |
2020-08-21 | Background The present study was designed to test the hypothesis that in the liver, excessive fat accumulation impairs cholesterol metabolism mainly by altering the low-density lipoprotein-receptor (LDL-R) pathway. Method Young male Wistar rats were fed standard (SD), high fat (HFD; 60% kcal) or Western (WD; 40% fat + ... | Two weeks of western diet disrupts liver molecular markers of cholesterol metabolism in rats | 10.1186/s12944-020-01351-2 |
2020-08-20 | Background Primary implant stability is essential for osseointegration. To increase stability without changing the implant size, the thread length must be extended by reducing pitch, using a double-threaded implant, or reducing pitch/lead and lead angle to half that of a single-threaded implant. Materials and methods W... | Effects of implant thread design on primary stability—a comparison between single- and double-threaded implants in an artificial bone model | 10.1186/s40729-020-00239-1 |
2020-08-19 | Among metal-based additive manufacturing, wire and arc additive manufacturing is receiving increasing attention for the production of components with medium to large dimensions. In the current research, the production of low-carbon steel thin-walled components by wire and arc additive manufacturing was addressed. First... | A study on wire and arc additive manufacturing of low-carbon steel components: process stability, microstructural and mechanical properties | 10.1007/s40430-020-02567-0 |
2020-08-17 | The proposed work concentrates on the integration of an 8-GHz voltage-controlled oscillator (VCO) and a frequency tripler for 24-GHz local oscillator generation. By stacking the VCO and the tripler with a current-reused topology, the power consumption of this integration can be saved. The proposed circuit with a total ... | Enhanced Digital Synthesized Phase Locked Loop with High Frequency Compensation and Clock Generation | 10.1007/s11220-020-00308-0 |
2020-08-14 | In this study the first viscosity measurements in the glass transition range of melts from highly explosive large-volume eruptions from the Colli Albani Volcanic District (CAVD) are presented. The magmas are ultrapotassic, rich in iron and CaO and characterised by a low silica content (< 45 wt%). Melt compositions rang... | Rheology of melts from the colli albani volcanic district (Italy): a case study | 10.1007/s00410-020-01720-1 |
2020-08-10 | Background Low back-related leg pain (LBLP) is a challenge for healthcare providers to manage. Neuropathic pain (NP) is highly prevalent in presentations of LBLP and an accurate diagnosis of NP in LBLP is essential to ensure appropriate intervention. In the absence of a gold standard, the objective of this systematic r... | Diagnostic utility of patient history, clinical examination and screening tool data to identify neuropathic pain in low back related leg pain: a systematic review and narrative synthesis | 10.1186/s12891-020-03436-6 |
2020-08-09 | Industrial activities that consume water generate wastewater as a by-product of processing which introduces various contaminants such as heavy metals into the neighbouring water bodies that creates adverse effects on the surrounding environment. Tannery industry releases more toxic effluent than most industries, which ... | An overview of chromium removal techniques from tannery effluent | 10.1007/s13201-020-01286-0 |
2020-08-09 | The Neoproterozoic charnockite–granite association of Okpella intrudes metasedimentary and migmatite-gneiss complex rocks in the eastern Igarra Schist Belt, southwestern Nigeria. In order to unravel the complex processes involved in the formation and tectonic evolution of the Igarra Schist Belt during the Neoproterozoi... | Petrography and geochemistry of Neoproterozoic charnockite–granite association and metasedimentary rocks around Okpella, southwestern Nigeria | 10.1007/s12517-020-05785-x |
2020-08-08 | We present a novel paleomagnetic record for the lower Matuyama chronozone, which includes the Réunion subchronozone and the lower Olduvai polarity reversal, from a continuous section of a 168-m-thick on-land marine succession in the southernmost part of the Boso Peninsula, central Japan. In this section, the Réunion su... | A paleomagnetic record of the early Matuyama chron including the Réunion subchron and the onset Olduvai boundary: High-resolution magnetostratigraphy and insights from transitional geomagnetic fields | 10.1186/s40645-020-00352-0 |
2020-08-08 | Abstract The Chiba composite section (CbCS), in the middle of the Boso Peninsula in central Japan, was ratified as the Global Boundary Stratotype Section and Point (GSSP) for the Lower–Middle Pleistocene boundary, accompanied by the Matuyama–Brunhes (M–B) paleomagnetic polarity boundary in January 2020. This study exam... | Calcareous nannofossil biostratigraphy of the Lower–Middle Pleistocene boundary of the GSSP, Chiba composite section in the Kokumoto Formation, Kazusa Group, central Japan, and implications for sea-surface environmental changes | 10.1186/s40645-020-00355-x |
2020-08-08 | Benign prostate hyperplasia (BPH) is a common disease in old-age males, accounting for approximately 77% of morbidity within the age range of 40 to 70 years. It has been shown that morbidity increases with social graying. Quisqualis indica linn (QI) has been used to treat inflammation, stomach pain, and digestion probl... | Quisqualis indica extract ameliorates low urinary tract symptoms in testosterone propionate-induced benign prostatic hyperplasia rats | 10.1186/s42826-020-00059-9 |
2020-08-07 | Background Numerous data obtained by different research laboratories indicate that specific IgE production is triggered independently of specific IgG or IgA ones and so it is not linked to fully matured germinal centers formation in the secondary lymphoid organs. The aim of this study was to clarify whether specific Ig... | Tertiary lymphoid structure related B-cell IgE isotype switching and secondary lymphoid organ linked IgE production in mouse allergy model | 10.1186/s12865-020-00376-7 |
2020-08-05 | Ambient temperature has substantial impacts on vehicle emissions, but the impacts may differ between traditional and alcohol gasolines. The objective of this study was to investigate the effects of temperature on gaseous and particulate emissions with both traditional and alcohol gasoline. Regulated gaseous, particle m... | Effects of ambient temperature on regulated gaseous and particulate emissions from gasoline-, E10- and M15-fueled vehicles | 10.1007/s11783-020-1306-1 |
2020-08-03 | Background Extracorporeal cardiopulmonary resuscitation (ECPR) with extracorporeal membrane oxygenation (ECMO) is a promising therapy for out-of-hospital cardiac arrest (OHCA) compared with conventional cardiopulmonary resuscitation (CCPR). The no and low-flow time (NLT), the interval from collapse to reperfusion to st... | Extracorporeal cardiopulmonary resuscitation without target temperature management for out-of-hospital cardiac arrest patients prolongs the therapeutic time window: a retrospective analysis of a nationwide multicentre observational study in Japan | 10.1186/s40560-020-00478-9 |
2020-08-03 | Background Dietary protein deficiency and amino acid imbalance cause hepatic fat accumulation. We previously demonstrated that only arginine deficiency or total amino acid deficiency in a diet caused significant hepatic triglyceride (TG) accumulation in young Wistar rats. In this study, we explored the mechanisms of fa... | Low-arginine and low-protein diets induce hepatic lipid accumulation through different mechanisms in growing rats | 10.1186/s12986-020-00477-5 |
2020-08-03 | Background Circulating cell-free DNA (cfDNA) methylation has been demonstrated to be a promising approach for non-invasive cancer diagnosis. However, the high cost of whole genome bisulfite sequencing (WGBS) hinders the clinical implementation of a methylation-based cfDNA early detection biomarker. We proposed a novel ... | Hypomethylation in HBV integration regions aids non-invasive surveillance to hepatocellular carcinoma by low-pass genome-wide bisulfite sequencing | 10.1186/s12916-020-01667-x |
2020-08-03 | Background Differentiating Ventilator-Associated Tracheobronchitis (VAT) from Ventilator-Associated Pneumonia (VAP) may be challenging for clinicians, yet their management currently differs. In this study, we evaluated the accuracy of the Clinical Pulmonary Infection Score (CPIS) to differentiate VAT and VAP. Methods W... | Accuracy of the clinical pulmonary infection score to differentiate ventilator-associated tracheobronchitis from ventilator-associated pneumonia | 10.1186/s13613-020-00721-4 |
2020-08-01 | LiFePO 4 (LFP) has been recommended as a promising cathode material due to its excellent cycle performance and high safety. However, the poor performance of low temperatures restricts the development and application of LFP cathode. Herein, the electrochemical properties of the previously synthesized LFP/C-P composite w... | Investigation on electrochemical performance at the low temperature of LFP/C-P composite based on phosphorus doping carbon network | 10.1007/s11581-020-03567-9 |
2020-08-01 | In this study, low-temperature fired CaMg 1− x Li 2 x Si 2 O 6 microwave dielectric ceramics were prepared via the traditional solid-state reaction method. In this process, 0.4 wt% Li 2 CO 3 -B 2 O 3 -SiO 2 -CaCO 3 -Al 2 O 3 (LBSCA) glass was added as a sintering aid. The results showed that ceramics consisted of CaMgS... | Low-temperature sintering and microwave dielectric properties of CaMg1−xLi2xSi2O6 (x = 0−0.3) ceramics | 10.1007/s40145-020-0390-9 |
2020-08-01 | For two commonly used modified emulsified asphalts, styrene butadiene rubber (SBR) and styrene butadiene styrene (SBS), direct heating and low-temperature evaporation methods were respectively applied to obtain the asphaltic residues. Nanotechnology provides a great solution to road construction issues. However, the us... | RETRACTED ARTICLE: Influence of evaporation temperature on the rheological properties of modified emulsified asphaltic residues | 10.1007/s11051-020-04952-1 |
2020-08-01 | In our work, we have developed a low-temperature and pressure-promoted solid-phase method for synthesizing electrode materials, which can realize surface functionalization and the adjustment of pore structure. In the closed autoclave at 200 °C, and oxygen-modified carbon materials can be finally obtained by simply mixi... | Low-temperature and pressure-promoted synthesis of porous carbon modified with oxygen for supercapacitor application | 10.1007/s11581-020-03539-z |
2020-08-01 | In this paper, austenitic EN-1.4404—AISI 316L stainless steel assemblies have been brazed using concentrated solar energy, in vacuum, air and argon media, under different heating and cooling conditions. A nickel-based alloy (EN 2.4360—Monel 400) has been used as a filler material for brazing, aiming to obtain mechanica... | The influence of concentrated solar energy flux on the structure and properties of stainless steel brazed joints | 10.1007/s10973-019-09113-8 |
2020-08-01 | The deployment of thermally activated building systems (TABS) in buildings has increased to reduce energy consumption and peak loads whilst improving indoor comfort. Previous studies provided important references for the design and operation of TABS in several buildings and various climates. However, guidelines for the... | Optimal design and operation of thermally activated wall in the ultra-low energy buildings in China | 10.1007/s12273-020-0620-7 |
2020-08-01 | Different heating treatments with the variation of heating rates, holding temperatures and holding time were used to simulate the LTPS procedure. The experimental results show that the reheating shrinkage rates of glass substrates are rarely changed with increasing the heating rate, but strongly enhanced by raising the... | Influencing Factors of Reheating Shrinkage Rate of Glass Substrate on LTPS Process | 10.1007/s11595-020-2307-4 |
2020-08-01 | Three Mn–Ce–O x /TiO 2 mixed oxides (MCT) were prepared by sol–gel (SG), citric acid complexing (CA), and co-precipitation (CP) methods and used as catalysts for selective catalytic reduction of NO with NH 3 (NH 3 -SCR) at low temperatures (75–200 °C). The physicochemical properties of the prepared catalysts were inves... | Low-temperature selective catalytic reduction of NO with NH3 over Mn–Ce–Ox/TiO2: a comparison between catalyst preparation methods | 10.1007/s10971-020-05268-1 |
2020-08-01 | Abstract Nanostructures with different mutual arrangement of phosphorus and titanium oxide groups were synthesized on the surface of low-density polyethylene (LDPE) films using the molecular layering technology by treatment in a different predetermined sequence with TiCl 4 , POCl 3 and H 2 O vapors. Based on the data o... | Influence of Structure of Chemically Grafted onto Polyethylene Surface Two-Component Titanium-Phosphoroxide Nanostructures on the Properties of Composite Material | 10.1134/S1070427220080121 |
2020-08-01 | The composition of intermetallic compounds and mechanical properties during friction stir welding of 2024 aluminum and AZ31B magnesium alloys was investigated by using offset tool at low heat input. The macrostructure of the Mg/Al joints was investigated by optical microscope, and microstructure characteristics were an... | Influence of tool offset on microstructure and properties of Mg/Al dissimilar alloys by friction stir welding joints at low heat input | 10.1007/s00170-020-05788-8 |
2020-08-01 | The goal of the study was to investigate if aviation emissions could influence the climate and weather by modifying the chemical composition of the atmosphere and subsequently, the radiative balance. To carry out the set objective, we used the global environmental multiscale atmospheric chemistry model with comprehensi... | A note on the potential impact of aviation emissions on jet stream propagation over the northern hemisphere | 10.1007/s11600-020-00444-x |
2020-08-01 | A low-angle–dependent photonic crystal hydrogel (LAD-PCH) material was developed to simultaneously detect and remove uranyl ions (UO 2 2+ ). Different from traditional SiO 2 photonic crystal hydrogel with the problem of angle dependency, the LAD-PCH material overcomes the restriction of observation direction. The LAD-P... | Low-angle–dependent CdS@SiO2 photonic crystal hydrogel material for visual detection and removal of uranyl ions | 10.1007/s00604-020-04456-8 |
2020-08-01 | The review concerns modification of polyether ether ketone (PEEK) using low-temperature plasma and ion implantation and presents the results of studies on the surface properties of modified PEEK samples obtained by wetting angle measurements, X-ray photoelectron spectroscopy, Fourier-IR-spectroscopy, scanning electron ... | Modification of polyether ether ketone by low-temperature plasma and ion implantation method for use in medicine and biology | 10.1007/s11172-020-2917-1 |
2020-08-01 | In order to increase flour recovery, resistant starch content and to lower the glycemic index and glycemic load, the water chestnuts were subjected to pre-optimized conditions of pre-conditioning. The low glycemic index water chestnut flour (F1) obtained thereafter was analyzed for different functional, viscous, therma... | Visco-thermal and structural characterization of water chestnut flour | 10.1007/s13197-020-04327-3 |
2020-08-01 | Reactions between a boninitic or basaltic magma and harzburgite at shallow mantle depths are thought to be closely related to the formation of podiform chromitites, but little experimental data is available on these reactions. In this study, a series of experiments were conducted at 1.5 GPa and 1 000–1 400 °C to invest... | Experimental Constraints on Formation of Low-Cr# Chromitite: Effect of Variable H2O and Cr2O3 on Boninitic-Magma and Harzburgite Reactions | 10.1007/s12583-020-1291-0 |
2020-08-01 | Spaceflight-induced bone losses have been reliably reproduced in Hind-Limb-Unloading (HLU) rodent models. However, a considerable knowledge gap exists regarding the effects of low-dose radiation and microgravity together. Ten-week-old male C57BL/6J mice, randomly allocated to Control ( CONT ), Hind-Limb Unloading ( HLU... | Unloading-Induced Cortical Bone Loss is Exacerbated by Low-Dose Irradiation During a Simulated Deep Space Exploration Mission | 10.1007/s00223-020-00708-0 |
2020-08-01 | Clothianidin served as the model pollutant to investigate the performance and mechanism of pollutant removal by dielectric barrier discharge plasma (DBD) combined with the titanium dioxide-reduced graphene oxide (rGO-TiO 2 ) composite catalyst. In this study, different ratios of titanium dioxide-graphene catalysts were... | Catalytic degradation of clothianidin with graphene/TiO2 using a dielectric barrier discharge (DBD) plasma system | 10.1007/s11356-020-09303-0 |
2020-08-01 | The phase equilibrium of the quaternary system Na + , K + , Mg 2+ //Cl − –H 2 O and the quinary system Na + , K + , Mg 2+ //Cl − , $${\text{NO}}_{3}^{ - }$$ NO 3 - –H 2 O were investigated at 258 K using the isothermal dissolution equilibrium method. The phase diagrams were obtained based on the measured data. Double s... | Solid–Liquid Phase Equilibria in the Quinary System Na+, K+, Mg2+//Cl−,
$${\text{NO}}_{3}^{ - }$$
NO
3
-
–H2O and Its Subsystems at 258 K | 10.1007/s10953-020-00978-0 |
2020-08-01 | A natural trans -polyisoprene (PSN)-based rubber that functions as a light-activated oxygen-scavenging film were developed and applied this material to the packaging of roasted peanuts to prevent loss of quality due to oxidative degradation. Results of the oxygen scavenging analysis indicated that films exhibited reaso... | The effect of trans-polyisoprene/LDPE based active films on oxidative stability in roasted peanuts | 10.1007/s11694-020-00433-0 |
2020-08-01 | Accurate streamflow measurements are often challenging for extremely shallow rivers within complex bathymetries. In this study, a new version of the fluvial acoustic tomography (FAT) system operated by high-frequency 53-kHz underwater acoustic transducers was used to measure the discharge of a shallow mountainous river... | Measuring Low Flowrates of a Shallow Mountainous River Within Restricted Site Conditions and the Characteristics of Acoustic Arrival Times Within Low Flows | 10.1007/s11269-020-02557-w |
2020-08-01 | In the northwest of the Himalayan-Tibetan Orogen, the ∼250 km-long Kongur Shan extensional system in the eastern Pamir was formed during the convergence between the Indian and Asian plates. Tectonic activity of the Kongur Shan normal fault and the Tashkurgan normal fault can help to reveal the origin of east-west exten... | Late Cenozoic Activity of the Tashkurgan Normal Fault and Implications for the Origin of the Kongur Shan Extensional System, Eastern Pamir | 10.1007/s12583-020-1282-1 |
2020-08-01 | Abstract Rheological, molecular, thermal, and mechanical properties of binary blends based on bimodal high-density polyethylene (HDPE; ethylene–1-hexene copolymer) and unimodal linear low-density polyethylene (LLDPE; ethylene–1-butene–1-hexene terpolymer) were studied. Six blends with different HDPE/LLDPE weight ratios... | Structural, Rheological, and Mechanical Properties of Binary Compounds Based on High-Density Polyethylene and Linear Low-Density Polyethylene | 10.1134/S1070427220080108 |
2020-08-01 | Abstract Based on propargyl alcohol esters, new derivatives of phosphorous and phosphonic acids of the acetylene series of various structures were synthesized (10 compounds). The prepared substances (6 compounds) significantly inhibit the corrosion of 08kp low-carbon steel in 5 M HCl ( T = 20–60°C). The protective effe... | New Propargyl-Containing Derivatives of Phosphoric and Phosphonic Acids: Prospective Inhibitors of Acidic Corrosion of Steels for Oil Production | 10.1134/S1070427220080054 |
2020-08-01 | Low-rank coal reservoirs of Badaowan Formation and Xishanyao Formation are mainly developed in Junggar Basin. This paper discussed their features and coalbed methane (CBM) exploration potential based on geological survey, coal samples testing and mathematical fitting analysis. The pores are mainly small-micro- and larg... | Characteristics of low-rank coal reservoir and exploration potential in Junggar Basin: new frontier of low-rank CBM exploration in China | 10.1007/s13202-020-00923-3 |
2020-08-01 | The deposition of NH 4 HSO 4 on catalysts is one of the key issues for selective catalytic reduction of NO x . In this study, NH 4 HSO 4 was preloaded on catalysts, and the effects of MoO 3 and CeO 2 doping on the decomposition and reactivity of NH 4 HSO 4 on V 2 O 5 /TiO 2 catalysts are studied. The results show that ... | Effects of MoO3 and CeO2 doping on the decomposition and reactivity of NH4HSO4 on V2O5/TiO2 catalysts | 10.1007/s11356-020-09343-6 |
2020-08-01 | Abstract We earlier discovered a new reaction in the chemistry of organoaluminum compounds (OACs), specifically, the formation of O -isobutyl acetals on low-temperature (–70°C) treatment of seven-membered lactones with a double (or more) molar amount of diisobutylaluminum hydride (DIBAH) in methylene chloride. To asses... | Influence of Some Factors on the Progress of a New Reaction in the Chemistry of Organoaluminum Compounds | 10.1134/S1070428020080047 |
2020-08-01 | Low-carbon ferromanganese (LC-FeMn) is an essential ingredient for making high-strength low-alloy steel and stainless steel. The conventional industrial-scale silicothermic method for the production of LC-FeMn comprises several energy intensive complex steps consuming about 2000 kWh/ton. We have attempted an improved s... | An Improved Process for the Production of Low-Carbon Ferromanganese in the Electric Arc Furnace | 10.1007/s12666-020-02010-x |
2020-08-01 | Abstract Given the observations at the section of the Ob river below the dam location of the Novosibirsk Hydropower Station, the calculations of water level dependence on water discharge and ice hole length in winter are carried out by the model of nonstationary hydrodynamic and ice-thermal processes. Some algorithm is... | A Comprehensive Mathematical Model of the Hydrodynamic and
Thermodynamic Processes in the Lower Pool of a Hydraulic Power Station | 10.1134/S1990478920030011 |
2020-08-01 | The present work isolated a CBF / DREB 1 gene from mangrove Bruguiera gymnorrhiza ( BgCBF 1) and compared its expression levels in various tissues under normal condition and cold stress, and in leaves exposed to various environmental stimuli. Results showed that the BgCBF1 deduced protein showed almost 100% similaritie... | Isolation and expression analysis of a CBF transcriptional factor gene from the mangrove Bruguiera gymnorrhiza | 10.1007/s10646-020-02215-2 |
2020-08-01 | The study of hybrid composites has been increasing for several types of applications aimed at combining the properties of these materials and obtaining new outcomes. In the present article, low-velocity impacts were conducted in an intraply/yarn hybrid composite (hybridization in the yarn of the fabric) in order to ass... | Study of the Resistance Variation in Intraply/Yarn Kevlar/Glass Composite after Low-Velocity Impact | 10.1007/s11665-020-05015-1 |
2020-08-01 | The isothermal phase transformation behavior of thermally grown oxide scale of FeO on high-purity Fe was investigated under conditions of low oxygen potential. The phase transformation comprised three reactions, namely Fe 3 O 4 precipitation, magnetite seam formation, and the eutectoid decomposition. The nucleation rat... | Phase Transformation of Thermally Grown FeO Formed on High-Purity Fe at Low Oxygen Potential | 10.1007/s11085-020-09979-2 |
2020-08-01 | The present paper is about an experimental evaluation of the terrestrial silicon single-crystalline solar PV module behavior under low gamma radiation. The simultanous proliferation of radioactive sources in Burkina Faso dominated by gamma type and the photovoltaic (PV) systems installations in both urban and rural are... | Analysis of the Single-Crystalline Silicon Photovoltaic (PV) Module Performances Under Low γ - Radiation from Radioactive Source | 10.1007/s12633-019-00282-7 |
2020-08-01 | In this paper, three CrNiV series low-alloy steel with different C contents were fabricated by laser melting deposition (LMD) technique. Subsequently, the formability, microstructure and properties of LMD C x CrNiV low-alloy steel were evaluated. The results are as follows: with the increase in C content, the formabili... | Formability, Microstructure and Properties of CxCrNiV Low-Alloy Steel Fabricated by Laser Melting Deposition | 10.1007/s11665-020-05027-x |
2020-08-01 | Liquid sloshing in storage tanks is of critical concern for the fluid management in space. In the present study, oscillation of liquid in a partially filled capsule storage tank was numerically studied using the volume of fluid method and taking into account the dynamic contact angle. The filling ratios of tank ranging... | Liquid Sloshing in Partially Filled Capsule Storage Tank Undergoing Gravity Reduction to Low/Micro-Gravity Condition | 10.1007/s12217-020-09801-3 |
2020-08-01 | Abstract The effect of the rare-earth element (REE) content in dual-zeolite cracking catalysts on the conversion of n -dodecane and an n -dodecane–2-methylthiophene mixture (5000 ppm S) has been studied. The catalysts have been synthesized using zeolites Y and ZSM-5 modified with REEs and phosphorus, respectively, as t... | Coconversion of n-Dodecane and 2-Methylthiophene in the Presence of Dual-Zeolite Cracking Catalysts Containing Different Amounts of Rare-Earth Elements | 10.1134/S0965544120080113 |
2020-08-01 | Objectives Chemical Shift Encoded Magnetic Resonance Imaging (CSE-MRI)-based quantification of low-level (< 5% of proton density fat fraction—PDFF) fat infiltration requires highly accurate data reconstruction for the assessment of hepatic or pancreatic fat accumulation in diagnostics and biomedical research. Materials... | Low-level fat fraction quantification at 3 T: comparative study of different tools for water–fat reconstruction and MR spectroscopy | 10.1007/s10334-020-00825-9 |
2020-08-01 | The Liupanshan Basin constitutes a major portion of the northern North-South tectonic belt. The Lower Cretaceous strata in the Liupanshan Basin recorded the tectono-sedimentary evolution processes of this area and are pivotal for understanding the original sedimentary appearance of the Liupanshan Basin. In this work, w... | Provenance Analyses of Lower Cretaceous Strata in the Liupanshan Basin: From Paleocurrents Indicators, Conglomerate Clast Compositions, and Zircon U-Pb Geochronology | 10.1007/s12583-020-1324-8 |
2020-08-01 | Purpose The aim of this paper is to present and validate a framework for assessing healthcare facilities in low-resource settings to collect evidence and inform policies on the harmonisation, regulation and contextualised design of medical devices. Methods A literature review and focus groups with several experts of me... | A Framework for Assessing Healthcare Facilities in Low-Resource Settings: Field Studies in Benin and Uganda | 10.1007/s40846-020-00546-3 |
2020-08-01 | This study details the low-velocity impact and compression-after-impact (CAI) behaviour of flax fibre-reinforced polymer (FFRP) composites. The impact resistance, energy absorption efficiency and residual compressive strength as well as the damage pattern of the FFRP composites are compared with the corresponding featu... | Low-Velocity Impact and Compression-After-Impact Behaviour of Flax Fibre-Reinforced Composites | 10.1007/s10338-019-00158-8 |
2020-08-01 | The study on Lower Cambrian dolostones in Tarim Basin can improve our understanding of ancient and deeply buried carbonate reservoirs. In this research, diagenetic fluid characteristics and their control on porosity evolution have been revealed by studying the petrography and in situ geochemistry of different dolomites... | The nature, type, and origin of diagenetic fluids and their control on the evolving porosity of the Lower Cambrian Xiaoerbulak Formation dolostone, northwestern Tarim Basin, China | 10.1007/s12182-020-00434-0 |
2020-08-01 | Purpose Intermittent catheterization (IC) is a proven effective long-term bladder management strategy for individuals who have lower urinary tract dysfunction. This study provides clinical evidence about multiple-reuse versus single-use catheterization techniques and if catheter choice can have an impact on health-rela... | Intermittent catheterization with single- or multiple-reuse catheters: clinical study on safety and impact on quality of life | 10.1007/s11255-020-02435-9 |
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