publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
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2022-04-15 | A low-background neutron detector array was developed to measure the cross section of the $$^{13}$$ 13 C( $$\alpha$$ α ,n) $$^{16}$$ 16 O reaction, which is the neutron source for the s -process in AGB stars, in the Gamow window ( $$E_\text {c.m.}$$ E c.m. = 190 ± 40 keV) at the China Jinping Underground Laboratory (CJ... | Development of a low-background neutron detector array | 10.1007/s41365-022-01030-0 |
2022-04-15 | In this paper we study ergodic optimization and multifractal behavior of Lyapunov exponents for matrix cocycles. We show that the restricted variational principle holds for generic cocycles [in the sense of (Bonatti and Viana in Ergod Theory Dyn Syst 24(5):1295–1330, 2004)] over mixing subshifts of finite type. We also... | Lyapunov Spectrum Properties and Continuity of the Lower Joint Spectral Radius | 10.1007/s10955-022-02910-w |
2022-04-15 | Background Studies have demonstrated that elderly people with low back pain (LBP) may have poor postural control compared to healthy older adults. Poor postural control is associated with poor balance performance and a high risk of serious falls. A variety of training strategies are proposed for LBP therapy, particular... | Effects of core stability training on older women with low back pain: a randomized controlled trial | 10.1186/s11556-022-00289-x |
2022-04-13 | Background Viral pneumonias are a major cause of childhood mortality. Proper management needs early and accurate diagnosis. This study objective is to investigate the viral etiologies of pneumonia in children. Results This prospective study enrolled 158 and 101 patients in the first and second year, respectively, and t... | Prevalence of viral pathogens in a sample of hospitalized Egyptian children with acute lower respiratory tract infections: a two-year prospective study | 10.1186/s42269-022-00790-4 |
2022-04-11 | Abstract Air quality was measured before, during, and after a 4th of July fireworks display in downtown Minneapolis, Minnesota using a mix of low-cost sensors (CO, CO 2 , and NO) for gases and portable moderate cost instruments for particle measurements (PM 2.5 , lung deposited surface area, and number weighted particl... | Measuring the effect of fireworks on air quality in Minneapolis, Minnesota | 10.1007/s42452-022-05023-x |
2022-04-09 | The formation of calcium oxychloride in cold conditions due to a reaction between calcium chloride deicing salt and calcium hydroxide in the concrete causes substantial damage to pavement concretes. In this study, the role of supplementary cementitious materials (SCMs) in mitigating damage in cement pastes and mortars ... | Damage in cement pastes and mortars exposed to CaCl2 and low-temperature cycles | 10.1617/s11527-022-01949-1 |
2022-04-08 | In this paper, a mesa-type 256 × 8 long-wavelength infrared detector is prepared by using InAs/GaSb type-II superlattice (T2SL) material with double barrier structure. The area of each pixel is 25 × 25 μm 2 . The cut-off wavelength and dark current density of the detector at −0.05 V bias with liquid nitrogen temperatur... | Investigation of low frequency noise-current correlation for the InAs/GaSb type-II superlattice long-wavelength infrared detector | 10.1007/s11082-021-03450-5 |
2022-04-08 | Background In Japan, six workers handling cross-linked water-soluble acrylic acid polymer (CWAAP) at a chemical plant suffered from lung diseases, including fibrosis, interstitial pneumonia, emphysema, and pneumothorax. We recently demonstrated that inhalation of CWAAP-A, one type of CWAAP, causes pulmonary disorders i... | Dose–response relationship of pulmonary disorders by inhalation exposure to cross-linked water-soluble acrylic acid polymers in F344 rats | 10.1186/s12989-022-00468-9 |
2022-04-08 | Background Acute lower respiratory infection (ALRI) remains the leading cause of death in children worldwide, and viruses have been the major cause of ALRI. In Myanmar, ALRI is associated with high morbidity and mortality in children, and detailed information on ALRI is currently lacking. Methods This prospective study... | Clinical manifestations and outcome of viral acute lower respiratory infection in hospitalised children in Myanmar | 10.1186/s12879-022-07342-1 |
2022-04-07 | Background Helictotrichon virescens is a perennial grass that is primarily distributed in high altitude areas of 2000 ~ 4500 m. It is widely cultivated in the Qinghai-Tibet Plateau of China, strongly resistant to cold, and an essential part of the wild herbs in this region. However, the molecular mechanism of the respo... | Physiological attributes and transcriptomics analyses reveal the mechanism response of Helictotrichon virescens to low temperature stress | 10.1186/s12864-022-08526-4 |
2022-04-07 | Background To evaluate the effects of 0.02% and 0.01% atropine eye drops on ocular and corneal astigmatism over 2 years. Methods A prospective clinic-controlled trail. The cohort study assessed 400 myopic children and divided them into three groups: 138 and 142 children were randomized to use either 0.02% or 0.01% atro... | Effect of 0.02% and 0.01% atropine on astigmatism: a two-year clinical trial | 10.1186/s12886-022-02385-z |
2022-04-04 | Background Dry powder (DP) synthetic lung surfactant may be an effective means of noninvasive delivery of surfactant therapy to premature infants supported with nasal continuous positive airway pressure (nCPAP) in low-resource settings. Methods Four experimental DP surfactant formulations consisting of 70% of phospholi... | Efficacy, dose–response, and aerosol delivery of dry powder synthetic lung surfactant treatment in surfactant-deficient rabbits and premature lambs | 10.1186/s12931-022-02007-8 |
2022-04-04 | Background Benign prostatic hyperplasia (BPH) is inescapable with aging and can cause lower urinary tract symptoms, worsening the quality of life. New pathophysiologic mechanisms of BPH development are currently under study to modulate its management. The valvular destruction of the spermatic veins (varicoceles develop... | Role of varicocele sclerotherapy in the management of benign prostatic hyperplasia and its associated lower urinary tract symptoms (pilot study) | 10.1186/s43055-022-00758-4 |
2022-04-02 | Background The identification of indeterminate pulmonary nodules (IPNs) following a low-dose computed tomography (LDCT) is a major challenge for early diagnosis of lung cancer. The inadequate assessment of IPNs’ malignancy risk results in a large number of unnecessary surgeries or an increased risk of cancer metastases... | Identification and evaluation of circulating small extracellular vesicle microRNAs as diagnostic biomarkers for patients with indeterminate pulmonary nodules | 10.1186/s12951-022-01366-0 |
2022-04-01 | This work reviews technologies that can be used to develop low-temperature solid oxide cells (LT-SOCs) and can be applied in fuel cells and electrolyzers operating at temperatures below 500°C, thus providing a more cost-effective alternative than conventional high-temperature SOCs. Two routes showing potential to reduc... | Recent progress in the structure optimization and development of proton-conducting electrolyte materials for low-temperature solid oxide cells | 10.1007/s12613-022-2447-y |
2022-04-01 | Large scale applications of metal-iodine batteries working at sub-zero degree have been challenged by the limited capacity and performance degradation. Herein, we firstly propose a Zn-I 2 battery working at low temperature with a carbon composite material/iodine (CCM-I 2 ) cathode, a Zn anode and an environmentally tol... | High performance Zn-I2 battery with acetonitrile electrolyte working at low temperature | 10.1007/s12274-021-3884-z |
2022-04-01 | The effect of different modes of heating, viz. current-controlled and temperature-controlled modes, on the upper and lower cycle temperatures during partial thermal cycling of a binary near-equiatomic Ni-Ti shape memory alloy under constant stress was experimentally investigated . The sheet specimens were subjected to ... | Effect of Mode of Heating on Cyclic Temperature Range during Partial Thermal Cycling under Constant Stress of a Near-Equiatomic Ni-Ti Shape Memory Alloy | 10.1007/s11665-021-06410-y |
2022-04-01 | In this paper, we report the fabrication of cobalt-doped de-NO x catalyst by pyrolyzing an analogous metal-organic framework-74 (MOF-74) containing Fe & Mn. The resulted catalyst exhibits distinctive microstructures of manganese, cobalt, and iron immobilized on N-doped carbon nanotubes (CNTs). It is found through exper... | Cobalt doped Fe-Mn@CNTs catalysts with highly stability for low-temperature selective catalytic reduction of NOx | 10.1007/s12274-021-3932-8 |
2022-04-01 | The present study examined the effect of aging on asphalt concrete low-temperature cracking using mechanical test and the surface free energy (SFE) method that is based on the main properties of the material. Twelve combinations of asphalt mixture were prepared using two types of aggregate (limestone and granite), two ... | The Effect of Long-Term Aging on Low-Temperature Cracking of Asphalt Concrete Using Mechanical and Thermodynamic Methods | 10.1007/s40999-021-00669-x |
2022-04-01 | This is the first study to conduct the flash sintering of 3 mol% yttria-stabilized zirconia (3YSZ) ceramics at room temperature (25 °C) under a strong electric field, larger than 1 kV/cm. At the standard atmospheric pressure (101 kPa), the probability of successful sintering is approximately half of that at low atmosph... | Gas-discharge induced flash sintering of YSZ ceramics at room temperature | 10.1007/s40145-021-0561-3 |
2022-04-01 | The fatigue tests of Chinese RPV steel (A508-3) were carried out under the simulated primary coolant environment of AP1000 which is a kind of 3rd generation nuclear power plant. The effects of temperature, strain rate and dissolved oxygen (DO) on fatigue life were analyzed. During the fatigue test, the material exhibit... | Effect of environmental media on the fatigue property of Chinese A508-3 steel of AP1000 | 10.1007/s10704-021-00589-w |
2022-04-01 | In this study, the smoke from a 3R4F research cigarette and the aerosol generated by the Heated Tobacco Product IQOS, also referred to as the Tobacco Heating System (THS) 2.2 in the literature, were compared. The objective was to characterize the gas and suspended particulate matter compositions in the mainstream smoke... | Comparison of 3R4F cigarette smoke and IQOS heated tobacco product aerosol emissions | 10.1007/s11356-021-18032-x |
2022-04-01 | Photothermal therapy (PTT) has shown promising applications in tumor therapies. However, due to laser-induced nonspecific heating and heat diffusion, high levels of hyperthermia (>50°C) in tumor tissues often increase the risk of cancer recurrence and metastasis, which causes the patient pain and destroys the surroundi... | Nanoscale covalent organic framework for the low-temperature treatment of tumor growth and lung metastasis | 10.1007/s40843-021-1805-x |
2022-04-01 | The effect of high-temperature thermomechanical treatment (HTMT) with deformation in the austenitic region on the regularities of low-temperature embrittlement of low-activation 12% chromium ferritic-martensitic steel EK-181 is investigated in comparison with traditional heat treatment (THT) during dynamic tests on imp... | Effect of High Temperature Thermomechanical Treatment on the Tendency of Low-Activation 12% Cr Ferritic-Martensitic Steel EK-181 to Low-Temperature Embrittlement | 10.1007/s11182-022-02581-w |
2022-04-01 | In recent decades, highly alloyed low-density steels are being developed to reduce the weight of different automotive parts. Dilatometry can be a very useful experimental technique to understand phase transformations during heating or cooling of new low-density steel alloys. When performing dilatometry measurements som... | Different Phenomena Encountered during Dilatometry of Low-density Steels | 10.1007/s11665-021-06418-4 |
2022-04-01 | South China can be divided into four metallogenic belts: The Middle-Lower Yangtze Metallogenic Belt (MLYB), Qinzhou-Hangzhou Metallogenic Belt (QHMB), Nanling Metallogenic Belt (NLMB), and Wuyi Metallogenic Belt (WYMB). The major mineralization in the four metallogenic belts is granite-related Cu–Au–Mo and porphyrite F... | Application of low-temperature thermochronology on ore deposits preservation framework in South China: a review | 10.1007/s11631-021-00506-x |
2022-04-01 | The present article aims at elucidating the effect of thermo-mechanical controlled processing (TMCP), especially the finish cooling temperature, on microstructure and mechanical properties of high strength low alloy steels for developing superior low temperature toughness construction steel. The microstructural feature... | Correlation of Microstructure Feature with Impact Fracture Behavior in a TMCP Processed High Strength Low Alloy Construction Steel | 10.1007/s40195-021-01250-0 |
2022-04-01 | Machine-learning and big data are among the latest approaches in corrosion research. The biggest challenge in corrosion research is to accurately predict how materials will degrade in a given environment. Corrosion big data is the application of mathematical methods to huge amounts of data to find correlations and infe... | Data-mining and atmospheric corrosion resistance evaluation of Sn- and Sb-additional low alloy steel based on big data technology | 10.1007/s12613-022-2457-9 |
2022-04-01 | An advanced cogeneration system based on biomass direct combustion was developed and its feasibility was demonstrated. In place of the traditional single heat source (extraction steam), the extraction steam from the turbine, the cooling water from the plant condenser, and the low-pressure feedwater from the feedwater p... | Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam, cooling water, and feedwater for heating | 10.1007/s11708-021-0741-4 |
2022-04-01 | Templated sol–gel synthesis of silica materials with hexagonally ordered mesoporous structure was realized in the presence of amphiphilic organic compounds (azo dyes, bile acid, cyclic oligosaccharide) as cosurfactants and alkoxysilane derivatives prepared on their basis as structure-forming silanes. The effect of auxi... | Role of amphiphilic organic additives in design of silica materials with ordered mesoporous structure | 10.1007/s10934-021-01167-0 |
2022-04-01 | In this paper, the effect of low-temperature treatment on bacterial activity was investigated and its performance in preparing the consolidated sand was accessed. Four factors, including absorbance (OD600), pH, electric conductivity (EC) and urease activity (UA) were monitored to evaluate the bacterial activity. Moreov... | Effect of low-temperature treatment on bacterial cultivation in bacterial induced mineralization | 10.1007/s11431-021-1937-5 |
2022-04-01 | Underground low-background laboratories have a very large demand for radon reduction in their working environments. Therefore, in this paper, we have constructed a system for low-temperature activated carbon adsorption of radon by using air cooler and measured the dynamic adsorption coefficients of activated carbon on ... | Construction of a low-temperature activated carbon radon adsorption system using air cooler | 10.1007/s10967-022-08270-9 |
2022-04-01 | Ulva prolifera is an edible and potentially economically valuable green alga. Temperature is one of the primary factors limiting the optimal quality and yields of U. prolifera . Mutants of U. prolifera show superior production and quality characteristics. For instance, the HF-6 strain with low-temperature tolerance (LT... | Potential biomarkers of low-temperature tolerance in Ulva prolifera strains | 10.1007/s10811-021-02666-y |
2022-04-01 | The Pt thin-film cathode thermo-mechanically reinforced by using atomic layer-deposited (ALD) alumina overcoat for low-temperature solid oxide fuel cells was investigated on electrochemical and electrical performances and its area specific resistance (ASR) with respect to cell dimension was evaluated. The nanoporous Pt... | Is Coating Oxide on Porous Metal Thin-Film for Low-Temperature Solid Oxide Fuel Cell Cathode a Panacea for Performance Enhancement? | 10.1007/s12541-022-00628-z |
2022-04-01 | Thermally activated hydrochars prepared from mango peels have been tested for continuous removal of lead ions from contaminated drinking water for possible use in point-of-use candle-type water filters. The hydrochar was obtained using low-temperature hydrothermal carbonization, which was activated at various temperatu... | Thermally activated mango peels hydrochar for fixed-bed continuous flow decontamination of Pb(II) ions from aqueous solution | 10.1007/s13762-021-03272-8 |
2022-04-01 | In this paper, a novel low power and high write margin Darlington based NCNTFET Darlington 8T SRAM cell is proposed. The power consumption of the proposed Darlington SRAM cell is compared with that of conventional 6T CNTFET and conventional 8T CNTFET SRAM cells. The power consumption of the proposed Darlington SRAM cel... | Darlington Based 8T CNTFET SRAM Cells with Low Power and Enhanced Write Stability | 10.1007/s42341-021-00329-w |
2022-04-01 | Raman scattered light is generated by the interaction of irradiated light with molecular vibrations, and it provides molecular information. Although Raman shifts of peaks in the low-frequency region (< 200 cm −1 ) provide useful information related to molecular structures, there are no reliable materials available for ... | Reliable estimation of Raman shifts for peaks of l-cystine (NMIJ CRM 6025-a) in the low-frequency region | 10.1007/s44211-022-00080-z |
2022-04-01 | This paper reports on the possibility of performing Friction Stir Welding (FSW) without the usual immanent shoulder to enable FS processing to deep welding of narrow and labile structures and applications where backing is not possible. Requirements and prerequisites, advantages and limitations for Shoulderless Friction... | Shoulderless Friction Stir Welding: a low-force solid state keyhole joining technique for deep welding of labile structures | 10.1007/s11740-021-01083-x |
2022-04-01 | Low salinity waterflooding has gained significant attention and importance in the last decade, as it is seen as an impactful method for recovery of additional oil from carbonate reservoirs. Existing literature does not do justice to the underlying mechanisms that aid in the recovery of additional oil from such rock typ... | A review on low salinity waterflooding in carbonates: challenges and future perspective | 10.1007/s13202-021-01361-5 |
2022-04-01 | The effect of Cu-riched clusters on strength and impact toughness in a tempered Cu-bearing high-strength low-alloy (HSLA) steel is investigated. With increasing the tempering temperature, it is found that the yield strength increases firstly, achieving the maximum value (~ 1053 MPa) at the tempering temperature of 450 ... | Effect of Nanoscale Cu-Riched Clusters on Strength and Impact Toughness in a Tempered Cu-Bearing HSLA Steel | 10.1007/s40195-021-01277-3 |
2022-04-01 | Abstract Alkaline tungstate crystals are promising scintillation materials for rare events search, especially for WIMP investigations. Na 2 W 2 O 7 single crystals doped with 1.0 mol.% chromium and cerium ions are grown from melt by low-thermal-gradient Czochralski technique (LTG Cz) developed at Nikolaev Institute of ... | GROWTH AND SPECTROSCOPIC INVESTIGATIONS OF Na2W2O7 SINGLE CRYSTALS DOPED WITH CERIUM AND CHROMIUM IONS | 10.1134/S0022476622040084 |
2022-04-01 | Abstract The structure and mechanical properties of the titanium alloy VT6 joint diffusion welded in vacuum at 820°C using an ultrafine-grained interlayer made of alloy VT22 in are studied after annealing at 900°C for 2 h. The heating-induced activation of diffusion processes is found to halve the number of micropores ... | Effect of Heat Treatment on the Structure and Mechanical Properties of the Solid-Phase VT6 Alloy Welded Joint with an Ultrafine-Grained VT22 Alloy Interlayer | 10.1134/S003602952204022X |
2022-04-01 | Abstract The effect of low-frequency acoustic treatment on the viscosity, temperature, and energy parameters and the adhesion properties of a petrolatum-based fat composition, which is used at mining and processing plants of the diamond mining industry, was studied. The field treatment of the fat composition was accomp... | Physical Treatment for the Regulation of the Physicochemical Properties of a Petrolatum-Based Composition | 10.3103/S0361521922020057 |
2022-04-01 | Low density polyethylene (LDPE) based nanocomposite films made from different levels of nanoclay, compatibilizer and thickness were evaluated for the storage stability of sugarcane juice for 60 days under ambient condition. During the storage period, important physico-chemical properties such as pH, total sugars, total... | Low-density polyethylene based nanocomposite packaging films for the preservation of sugarcane juice | 10.1007/s13197-021-05174-6 |
2022-04-01 | We add the σ -modification and the low-frequency learning to the model reference adaptive controller (MRAC) (Guduri et al. in SN Appl Sci 3:1–21, 2021) to make it robust in the presence of two simultaneous bounded disturbances and maintain consistent mean particles’ temperature and velocity collectively called mean par... | Robust model reference adaptive controller for atmospheric plasma spray process | 10.1007/s42452-022-05012-0 |
2022-04-01 | Purpose A graphene thermophone requires a substrate to support its extremely thin structure. It is essential to determine the characteristic parameters and selection principles of substrates and gases in both low- and high-frequency ranges for improving the sound pressure of graphene thermophones. Methods First, the th... | Characteristic Parameters and Selection Principles of Substrates and Gases for Graphene Thermophones | 10.1007/s42417-022-00432-z |
2022-04-01 | With the increasing requirement for the analysis of nonlinear and transient behaviors in plasma systems, the demand for particle-in-cell (PIC) simulations is increasing. However, most plasma simulations have utilized fluid models because of the high computational cost of the PIC simulation. This article introduces the ... | Multi-dimensional electrostatic plasma simulations using the particle-in-cell method for the low-temperature plasmas for materials processing | 10.1007/s40042-021-00375-w |
2022-04-01 | Aims Plant investment in sexual reproduction is affected by nitrogen (N): phosphorus (P) stoichiometry. It has been suggested that an important adaptation to strong P limitation is reduced investment in sexual reproduction. We aim to investigate the specific influence of N:P on sexual reproduction performance within an... | Sexual reproduction trait expressions of grassland species along a gradient of nitrogen: phosphorus stoichiometry | 10.1007/s11104-021-05230-2 |
2022-04-01 | Okra ( Abelmoschus esculentus ) has interesting nutritional and technological properties and is naturally gluten-free (GF). This study investigated the physicochemical properties of okra powder obtained by a low-temperature drying process and its impact on GF bread. Its potential synergy with other hydrocolloids (i.e.,... | Okra (Abelmoschus esculentus) Powder Production and Application in Gluten-Free Bread: Effect of Particle Size | 10.1007/s11947-022-02784-6 |
2022-04-01 | Renewable energy has become an auspicious alternative to fossil fuel resources due to its sustainability and renewability. In this respect, Photovoltaics (PV) technology is one of the essential technologies. Today, more than 90 % of the global PV market relies on crystalline silicon (c-Si)-based solar cells. This artic... | From Crystalline to Low-cost Silicon-based Solar Cells: a Review | 10.1007/s12633-021-01032-4 |
2022-04-01 | Friction stir processing (FSP) enables surface modifications can likely be applied as a new post-weld treatment for improving fatigue strength. When applying FSP to high-strength materials, tool wear occurring at the interface between the tool tip and the topmost steel layer has been regarded as an unavoidable issue an... | Fatigue strength improvement due to alloying steel weld toes with WC tool constituent elements through friction stir processing | 10.1007/s00170-022-08690-7 |
2022-04-01 | In this contribution, the notch strain approach is applied to seam welds including butt welds and filet welds. This allows the fatigue assessment for all regimes of fatigue life, including the low cycle fatigue regime ( N > 10). Linear-elastic finite element analyses are used to determine the local stresses. The model... | Fatigue assessment of weld seams considering elastic–plastic material behavior using the local strain approach | 10.1007/s40194-021-01242-9 |
2022-04-01 | The influence of the initial pH of the solution on ferritization in the Fe 2+ –Co 2+ –SO 4 2− –OH − system was investigated. Cobalt ferrite was obtained by a combined method of co-precipitation and treatment with contact low-temperature non-equilibrium plasma. The pH varied in the range of 7–12. The phase composition w... | Investigation of the ferritization process in the Co2+–Fe2+–SO42−–OH− system under the action of contact non-equilibrium low-temperature plasma | 10.1007/s13204-021-01755-1 |
2022-04-01 | Abstract A neutron diffraction study was made of phase transformations in cubic titanium carbide TiC x at the lower boundary of the homogeneity range TiC 0.33 –TiC 0.47 . It was found that the lower boundary of the homogeneity range of the disordered face-centered cubic δ-phase of titanium carbide at 1475 K is at the c... | Neutron Diffraction Study of Phase Transformations at the Lower Boundary of the Homogeneity Range of Cubic Titanium Carbide TiCx | 10.1134/S0036023622040106 |
2022-04-01 | Recent advancements in wireless communication systems utilize miniaturized devices based on microelectromechanical system technology for present and future 5G wireless applications. Nowadays, RF devices are utilizing frequencies up to 30 GHz with substantial signal propagation that leads to a slow data rate. On the oth... | Design and performance analysis of a low-pull-in-voltage RF MEMS shunt switch for millimeter-wave therapy, IoT, and 5G applications | 10.1007/s10825-022-01863-3 |
2022-04-01 | Pollutants found in the wastewater streams of industrial processes such as heavy metals are a significant concern worldwide. Clays are low-cost sorbents that have attracted extensive research interest due to their potential applications in removing heavy metals from wastewater. In this work, montmorillonite clay was co... | Green and eco-friendly montmorillonite clay for the removal of Cr(III) metal ion from aqueous environment | 10.1007/s13762-021-03303-4 |
2022-04-01 | Earthquake-induced fractures in steel structures are characterised by high-strain low-cycle conditions. In order to investigate the ultra-low cyclic fatigue fracture of steel welded joints under earthquakes, two most commonly used structural steels (Q235B and Q345B) and the corresponding welds were studied by experimen... | Ultra-Low Cyclic Fatigue Fracture of Q235B and Q345B Steels and Their Butt Welded Joints | 10.1007/s13296-022-00583-5 |
2022-04-01 | The predictability of the Northern Hemisphere stratosphere and its underlying dynamics are investigated in five state-of-the-art seasonal prediction systems from the Copernicus Climate Change Service (C3S) multi-model database. Special attention is devoted to the connection between the stratospheric polar vortex (SPV) ... | Seasonal prediction of the boreal winter stratosphere | 10.1007/s00382-021-05787-9 |
2022-04-01 | In this article, a distinctive charge plasma (CP) technique is employed to design two doping-less dual gate tunnel field effect transistors (DL-DG-TFETs) with Si 0.5 Ge 0.5 and Si as source material. The CP methodology resolves the issues of random doping fluctuation and doping activation. The analog and RF performance... | A SiGe-Source Doping-Less Double-Gate Tunnel FET: Design and Analysis Based on Charge Plasma Technique with Enhanced Performance | 10.1007/s12633-021-01030-6 |
2022-04-01 | Hybridization of inherently brittle carbon fibers with basalt fibers in the fiber reinforced plastics results in improved impact damage resistance and ductility. This study investigates the effects of two hybridization types i.e., interply and intraply and compares the tensile, dynamic, and quasi-static loading behavio... | Comparison of Static/Dynamic Loading and Tensile Behavior of Interply and Intraply Hybridized Carbon/Basalt Epoxy Composites | 10.1007/s10443-021-09973-0 |
2022-04-01 | With the gradually prominent contradiction among economic growth, resources, and the environment, low-carbon competitiveness has become the focus of world attention. This study is aimed at exploring the low-carbon competitiveness of a low-carbon pilot city in China. This study constructed an evaluation index system of ... | Evaluating low-carbon competitiveness under a DPSIR-Game Theory-TOPSIS model—A case study | 10.1007/s10668-021-01680-x |
2022-04-01 | The purpose of this study was to optimize the conditions of the gas–metal arc welding using CO 2 shield gas (CO 2 arc welding) with hot-wire feeding technology. A high-speed camera was used to investigate welding phenomena of a butt joint of 36-mm-thick steel plates. The optimum parameters were determined under combina... | Optimization of welding conditions for hot-wire GMAW with CO2 shielding on heavy-thick butt joint | 10.1007/s40194-021-01227-8 |
2022-04-01 | Fuel poverty is most prevalent in North East England with 14.4% of fuel poor households in Newcastle upon Tyne. The aim of this paper was to identify a grid connected renewable energy system coupled with natural gas reciprocating combined heat and power unit, that is cost-effective and technically feasible with a poten... | Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewable energy systems incorporating combined heat and power technology | 10.1007/s11708-021-0748-x |
2022-04-01 | Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has led people to implement preventive measures, including surface and hand disinfection with a disinfectant to avoid viral transmission. The detection of coronaviruses on surfaces implies not always a high danger of infection. Different coronaviruses and SAR... | SARS-CoV-2: low virus load on surfaces in public areas | 10.1007/s11356-022-18514-6 |
2022-04-01 | For safe operation of active space crafts, the space debris population needs to be continuously scanned, to avoid collisions of active satellites with space debris. Especially the low Earth orbit (LEO) shows higher risks of collisions due to the highest density of orbital debris. Laser ranging stations can deliver high... | APPARILLO: a fully operational and autonomous staring system for LEO debris detection | 10.1007/s12567-021-00380-6 |
2022-04-01 | Adsorption characteristics of CO 2 –CH 4 –H 2 O-coal matrix systems are extremely important for investigating geological CO 2 -storage and enhanced coalbed methane recovery. To study the adsorption mechanism of CH 4 and CO 2 under the equilibrium water state, this study conducted high-pressure mercury intrusion porosim... | CH4 and CO2 Adsorption Characteristics of Low-Rank Coals Containing Water: An Experimental and Comparative Study | 10.1007/s11053-022-10026-x |
2022-04-01 | Abstract The effect of low-frequency plasma treatment of chitosan films on the surface chemical structure, morphology, and properties, including the ability to support adhesion and the proliferation of human keratinocytes, was evaluated. It was shown that plasma treatment led to the formation of polar oxygen-containing... | Modification of the Chemical Structure, Morphology, and Cytocompatibility of Chitosan Films via Low-Frequency Plasma Treatment | 10.1134/S000368382202003X |
2022-04-01 | Textile industry, a major trade in most developing countries, generates huge quantities of dye laden wastewater. Azo dyes, which are still used widely in textile industry are very toxic in nature and need to be removed from the wastewaters in a cost-effective manner. The conventional treatment methods are energy intens... | Using indigenous bacterial isolate Nesterenkonia lacusekhoensis for removal of azo dyes: A low-cost ecofriendly approach for bioremediation of textile wastewaters | 10.1007/s10668-021-01661-0 |
2022-04-01 | The link performance of free space optical communications (FSOC) and deep space optical communications (DSOC) are investigated by considering two scenarios in space communications, for example, for the downlink and uplink between the earth ground stations and the near earth geostationary (GEO) satellites, and between t... | Investigations of free space and deep space optical communication scenarios | 10.1007/s12567-021-00388-y |
2022-04-01 | The colorful, unfading, and eco-friendly photonic crystal structural colors have attracted wide interest from textile researchers. However, to minimize the interference of incoherently scattered light, the preparation of the structural color fabric is still based on the black fabric, which seriously restricts the pract... | Preparation of Structural Colors on White Polyester Fabrics without Adding Any Black Additive | 10.1007/s12221-022-4548-7 |
2022-04-01 | Cold-adapted bacterial strains are potentially valuable for biotechnological applications involving the production of cold-active enzymes and bioproducts important to various industries. A psychrotolerant, aerobic, Gram-positive, endospore-forming, bioemulsifier-producing strain, named Val9, was isolated from Vale Ulma... | Genomic analyses of a novel bioemulsifier-producing Psychrobacillus strain isolated from soil of King George Island, Antarctica | 10.1007/s00300-022-03028-1 |
2022-04-01 | Water injection is an effective method for developing low permeability sandstone reservoirs. In the process of water flooding, reservoir damage can occur due to clay mineral content changes and it will significantly affect oil production. There are few investigations on the changes in clay mineral content and the degre... | Experimental investigation on reservoir damage caused by clay minerals after water injection in low permeability sandstone reservoirs | 10.1007/s13202-021-01356-2 |
2022-04-01 | Assessing exposure to ambient fine particulate matter (PM 2.5 ) is important for improving human health. With rapidly expanding low-cost sensor networks globally, it is possible for monitoring networks to be located by a variety of users (i.e., crowd sourcing) to increase measurement density and coverage for use in exp... | Using crowd-sourced low-cost sensors in a land use regression of PM2.5 in 6 US cities | 10.1007/s11869-022-01162-7 |
2022-04-01 | Research on nanocrystals is rapidly finding applications in energy, medical and agricultural fields. In particular, improving nanocrystal activity should improve hydrogen generation by photocatalytic water splitting. While nanocrystal activity is classically changed by modifying crystal size and by surface coating, mod... | Water splitting, pollutant degradation and environmental impact using low-index faceted metal-based nanocrystals. A review | 10.1007/s10311-021-01385-7 |
2022-04-01 | Within the hazard and disaster risk research field, explicitly treating carbon emissions as a hazard remains rather nascent. Applying hazard and disaster risk research perspectives to seek new insights on integrated mitigation and adaptation approaches and policy measures is equally elusive. Since China’s pledge to ach... | Carbon Emission Risk and Governance | 10.1007/s13753-022-00411-8 |
2022-04-01 | The specific surface and porosity of bituminous coal (rank Zh) are studied. The textural characteristics of Kuznetsk Basin coal are determined by various methods: for example, the specific surface by the Brunauer–Emmett–Teller (BET) method; the micropore volume by the comparative t -plot method; and the mesopore volume... | Texture of Bituminous Kuznetsk Basin Coal | 10.3103/S1068364X22040032 |
2022-04-01 | Purpose Low-grade gliomas (LGG) and mixed neuronal-glial tumors (MNGT) show frequent MAPK pathway alterations. Oncogenic fibroblast growth factor receptor 1 (FGFR1) tyrosinase kinase domain has been reported in brain tumors of various histologies. We sought to determine the frequency of FGFR1 hotspot mutations N546 and... | Frequent FGFR1 hotspot alterations in driver-unknown low-grade glioma and mixed neuronal-glial tumors | 10.1007/s00432-021-03906-x |
2022-04-01 | The addition of Ni element into steel to prolong the service life of coated steel was investigated in marine atmospheric environment by laboratory simulated accelerated experiment. The scanning electron microscope and electron probe micro-analysis combined with electrochemical impedance spectroscopy were used to charac... | Evaluation of increasing service life of epoxy zinc-rich coating on 3 wt.% Ni-advanced low-alloy steel in marine atmospheric environment | 10.1007/s42243-021-00661-8 |
2022-04-01 | High maternal serum estradiol (E 2 ) levels in the first trimester of pregnancy are associated with a high incidence of low birth weight (LBW) and small for gestational age (SGA). This study aimed to investigate the effect of first-trimester high maternal serum E 2 levels on fetal growth and the underlying mechanisms i... | High Maternal Serum Estradiol in First Trimester of Multiple Pregnancy Contributes to Small for Gestational Age via DNMT1-Mediated CDKN1C Upregulation | 10.1007/s43032-021-00735-8 |
2022-04-01 | Functional bacterial enrichment magnetic beads (Fe 3 O 4 @SiO 2 @Fc-MBL) and Gram staining were combined for the fast diagnosis of infecting bacteria in meningitis. Fe 3 O 4 @SiO 2 @Fc-MBL has excellent microbial binding ability and can be used for bacterial enrichment from cerebrospinal fluid (CSF). The enriched bacte... | Fc-MBL-modified Fe3O4 magnetic bead enrichment and fixation in Gram stain for rapid detection of low-concentration bacteria | 10.1007/s00604-022-05277-7 |
2022-04-01 | In the present study, Fe-based metallic glass composite coatings were synthesized by using two different low-Cr and inexpensive alloying elements containing compositions of Fe 73 Cr 2 Si 11 B 11 C 3 , at. % (P1) and Fe 63 Cr 9 P 5 B 16 C 7 , at. % (P2) to investigate their wear and corrosion properties. The coatings we... | Comparative Study on Wear and Corrosion Behavior of Plasma Sprayed Fe73Cr2Si11B11C3 and Fe63Cr9P5B16C7 Metallic Glass Composite Coatings | 10.1007/s11666-021-01280-1 |
2022-04-01 | Internet connects people to people, people to machine, and machine to machine for a life of serendipity through a Cloud. Internet of Things networks objects or people and integrates them with software to collect and exchange data. The Internet of things (IoT) influences our lives based on how we ruminate, respond, and ... | Decades of Internet of Things Towards Twenty-first Century: A Research-Based Introspective | 10.1007/s11277-021-09308-z |
2022-04-01 | Abstract— The paper presents original data on the composition of hydrocarbon biomarkers and the carbon isotope composition of fractions of some oils in the Middle Devonian–lower Frasnian terrigenous rock complex in the Timan–Pechora basin. The oils typically contain high concentrations of paraffin hydrocarbons. The oil... | Geochemistry of Oils in the Middle Devonian–Lower Frasnian Terrigenous Petroleum System of the Timan–Pechora Basin | 10.1134/S0016702922030028 |
2022-04-01 | The purpose of this study was to systematically review the scientific evidence of the effect of low-level laser therapy (LLLT) on the perception of pain, edema, and trismus after orthognathic surgery. The literature was searched in 11 databases (MedLine via PubMed, Scopus, LILACS, SciELO, Embase, Web of Science, Cochra... | Effects of low-level laser therapy on reducing pain, edema, and trismus after orthognathic surgery: a systematic review | 10.1007/s10103-021-03467-y |
2022-04-01 | Abstract The search for neutrinoless double-beta decay ( $$0\nu 2\beta$$ ), a hypothetical nuclear decay, is one of the major challenges of contemporary physic since its discovery would prove the non conservation of the lepton number and would give an answer to the question of neutrino nature (Dirac or Majorana particl... | BINGO: Bi-Isotope 0
$$\boldsymbol{\nu}$$
2
$$\boldsymbol{\beta}$$
Next Generation Observatory | 10.3103/S0027134922020096 |
2022-04-01 | Effect of various macroalgae substitution for Sargassum thunbergii in diet on growth, body composition, and survival of sea cucumber ( Apostichopus japonicus ) subjected to air and low salinity exposures was determined. Nine hundred juvenile sea cucumber were distributed into 18 tanks (50 sea cucumber per tank). Six ex... | Macroalgal substitution effect in diet on growth, body composition, and stress resistance of juvenile sea cucumber (Apostichopus japonicus) subjected to air and low salinity exposures | 10.1007/s10811-022-02689-z |
2022-04-01 | Abstract The data of laboratory studies on the effect of low-intensity ultrasound on the toxigenic cyanobacteria Synechocystis sp., the species dominant in the North-West of Russia, cause “blooming” of drinking water sources and pose a danger to the health of the population of cities and rural areas. The study revealed... | The Problem of Regulation of Toxigenic Blooming in Freshwater Bodies | 10.1134/S0097807822020129 |
2022-04-01 | The aim of the study was to explore the effect and mechanism of a low-level laser on hair follicle stem cells in full-thickness skin wound healing in mice. Full-thickness skin defects were generated by a 5-mm punch biopsy tool on the backs of depilated C57/BL6N mice, which were randomly divided thereafter into a low-do... | Low-level laser treatment promotes skin wound healing by activating hair follicle stem cells in female mice | 10.1007/s10103-021-03419-6 |
2022-04-01 | The aim of this study was to evaluate the impact of photobiomodulation therapy (PBMT) on histomorphological aspects of submandibular gland (SMG) submitted to salivary gland duct obstruction in hypothyroid rats. Fifty-six male Wistar rats (250 to 300 g) were divided into 4 groups ( n = 14): euthyroid (EU), EU + PBMT, h... | Impact of photobiomodulation therapy on the morphological aspects of submandibular gland submitted to excretory duct ligation and hypothyroidism: an animal study | 10.1007/s10103-021-03463-2 |
2022-04-01 | Here we present zircon U–Pb–Hf and whole-rock major and trace element studies of eastern Ningzhen W-Mo-ore-related magmatic rocks, Yushan and Longwangshan granitic rocks, to constrain their form timing, magma sources, and tectonic settings. The results showed that the two plutons were formed in the Early Cretaceous wit... | Geochronology and geochemistry of the W-Mo-ore-related granitic rocks from eastern Ningzhen, lower Yangtze river belt, eastern China | 10.1007/s11631-021-00501-2 |
2022-04-01 | This paper presents an experimental study on dynamic response of a forced low-swirl methane/air premixed flame with external acoustic excitation over a wide range of driving frequency. Global flame response in terms of gain and phase delay between flame intensity and incoming velocity perturbation is determined. Local ... | Dynamic Response of a Forced Low-Swirl Premixed Flame with Acoustic Excitation | 10.1007/s10494-021-00309-3 |
2022-04-01 | Dental pulp cells are a source of multipotent mesenchymal stem cells with a high proliferation rate and multilineage differentiation potential. This study investigated the photobiomodulated bioenergetic effects of mitochondria in osteoblasts that differentiated from human pulp stem cells. The systematic review followed... | Bioenergetics of photobiomodulated osteoblast mitochondrial cells derived from human pulp stem cells: systematic review | 10.1007/s10103-021-03439-2 |
2022-04-01 | Introduction and aim Urodynamics (UDS) is the current gold standard investigation for explaining pathology in lower urinary tract dysfunction. The role of UDS is to answer a urodynamic question based on reproducing the patient’s symptoms. Despite the introduction of several standardization documents on terminology and ... | IUGA report on reporting urodynamics in women | 10.1007/s00192-021-04742-w |
2022-04-01 | We are currently facing a pandemic that continuously causes high death rates and has negative economic and psychosocial impacts. Therefore, this period requires a quick search for viable procedures that can allow us to use safe and non-invasive clinical tools as prophylactic or even adjuvant methods in the treatment of... | Influence of photobiomodulation therapy on the treatment of pulmonary inflammatory conditions and its impact on COVID-19 | 10.1007/s10103-021-03452-5 |
2022-04-01 | The present study aimed at investigating the antidepressant and antioxidant actions of near-infrared (NIR) laser at a wavelength of 830 nm and power of 100 mW which applied transcranially on an animal model of depression induced by repeated doses of reserpine (0.2 mg/kg). Thirty male Wistar adult rats were divided into... | Antidepressant and antioxidant effects of transcranial irradiation with 830-nm low-power laser in an animal model of depression | 10.1007/s10103-021-03410-1 |
2022-04-01 | The aim of this study was to assess the changes induced by photobiomodulation therapy in oxygenation of normal skin and underlying tissue using hyperspectral imaging combined with a chemometric regression approach. Eleven healthy adult volunteers were enrolled in this study. The dorsal side of the left hand of each sub... | New evidence from hyperspectral imaging analysis on the effect of photobiomodulation therapy on normal skin oxygenation | 10.1007/s10103-021-03397-9 |
2022-04-01 | The objectives of this study are to develop prediction models for total laser energy ( TLE ) in order to infer surgical time and assist operative planning of intrarenal low-power Ho:YAG laser lithotripsy, and to predict the fragmented volume as well as the stone-free status ( SFS ). A retrospective review was performed... | Prediction models of low-power holmium laser effectiveness in renal stone lithotripsy during retrograde intrarenal surgery | 10.1007/s10103-021-03445-4 |
2022-04-01 | After the new molecular-based classification was reported to be useful for predicting prognosis, the T2-fluid-attenuated inversion recovery (FLAIR) mismatch sign has gained interest as one of the promising methods for detecting lower grade gliomas (LGGs) with isocitrate dehydrogenase (IDH) mutations and chromosome 1p/1... | T2-fluid-attenuated inversion recovery mismatch sign in lower grade gliomas: correlation with pathological and molecular findings | 10.1007/s10014-022-00433-6 |
2022-03-31 | This study investigated the road performance and microscopic action mechanism of low liquid limit silt solidified by AT curing agent: firstly, carrying out the compaction test of low liquid silt solidified by different contents of AT curing agent; secondly, according to different curing ages, carrying out the CBR test ... | Road performance and microscopic action mechanism of low liquid limit silt solidified by AT curing agent | 10.1007/s12517-022-09878-7 |
2022-03-31 | Visibility and aerosol optical depth (AOD) characterization, and their relationship with PM 10 and local and synoptic meteorology, were studied for January–March in 2014 and 2015 over Bangkok. Visibility degradation intensifies in the dry season as compared to the wet season due to increase in PM 10 and unfavorable met... | Visibility, aerosol optical depth, and low-visibility events in Bangkok during the dry season and associated local weather and synoptic patterns | 10.1007/s10661-022-09880-2 |
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