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Japan; fabrics; friction; geometry; heat; lubrication; multivoltine habit; oils; quality control; silk; supply chain; temperature; test reports; India
Abstract:
... One of the Engine factories in India is manufacturing three types of engines that power various types of battle tanks. While operating the tanks, the crank shaft main journals and pins need lubrication for smooth running with minimum friction and to dissipate the heat produced. In order to prevent the leakage in the lubricating system, special purpose silk thread is wound around the threaded porti ...
... In this report, nitrogen-doped porous carbons were synthesized from polyacrylonitrile fiber by a facile two-step synthesis process i.e. carbonization followed by KOH activation. Activation temperature and KOH/carbon ratio are two parameters to tune the porosity and surface chemical properties of sorbents. The as-obtained sorbents were carefully characterized. Special attention was paid concerning ...
Dapeng Li; Can Wu; Si Zhang; Yali Lei; Shaojun Lv; Wei Du; Shijie Liu; Fan Zhang; Xiaodi Liu; Lang Liu; Jingjing Meng; Yuesi Wang; Jian Gao; Gehui Wang
absorption; acidity; aerosols; biomass; carbon; clean energy; coal; combustion; dust; heat; pH; pollution; seasonal variation; water solubility; winter; China
Abstract:
... To understand the characteristics of atmospheric brown carbon (BrC), daily PM₂.₅ samples in Xingtai, a small city in North China Plain (NCP), during the four seasons of 2018-2019, were collected and analyzed for optical properties and chemical compositions. The light absorption at 365 nm (absλ₌₃₆₅ ₙₘ) displayed a strong seasonal variation with the highest value in winter (29.0±14.3 M/m), which was ...
... A comprehensive analysis of crucial metabolites in seabuckthorn (Hippophae rhamnoides L.) was conducted by analyzing the methanolic extract of berries originating from 37 geographical sites of the Indian Himalayas by using ¹H NMR-based metabolome profiling. The concentration of 103 metabolites was annotated, of which two, spermidine and beta-alanine, were reported for the first time in higher conc ...
... Breaking the inherent contradiction between high energy and insensitivity and pursuing enviro-friendly, high safety and excellent thermal decomposition properties are urgently desired for the development of modern composite solid propellants. 2,6-Diamino-3,5-dinitropyrazine-1-oxide (LLM-105) nanoparticles were uniformly deposited on the surface of ammonium perchlorate (AP) by ultrasonic shock with ...
... Three-dimensional carbon aerogel (CA800) was prepared from waste corrugated cardboard (WCC) by the procedure of slurrying, solvent replacement, drying, and carbonization in turn, and the product was explored as an all-in-one evaporator for solar steam generation without bulk water. Carbonization of the precursor was investigated using thermogravimetric analyzer coupled with Fourier transform infra ...
... Three-dimensional (3D) printing technology has received remarkable attention in manufacturing catalysts with tailored shapes and high precision, particularly facilitating catalyst recovery, maximizing heat/mass transfer, as well as enhancing catalytic performance. Herein, an engineered recombinant Escherichia coli strain (denoted as e-E. coli) with overexpressing metallothionein (a metal-binding p ...
... Functional phase-change fabrics hold great promise as wearable clothing. However, how to enable a phase-change fabric with the combined features of excellent structural flexibility and robustness, integrated multifunctionality, superior stability, and durability, as well as facile and scalable manufacturing, still remains a significant challenge. Herein, we demonstrated a scalable and controllable ...
Scrophularia buergeriana; blood; cognition; cognitive disorders; heat; kidneys; neurotransmitters; phosphatidylinositol 3-kinase; phosphorylation; prefrontal cortex; schizophrenia; social behavior; traditional medicine
Abstract:
... Scrophularia buergeriana has been used for traditional medicine as an agent for reducing heat in the blood and for nourishing kidney ‘Yin’. Therefore, S. buergeriana might be a potential treatment for mental illness, especially schizophrenia, which may be attenuated by supplying kidney Yin and reducing blood heat. In a pilot study, we found that S. buergeriana alleviated sensorimotor gating dysfun ...
electric field; heat; remote control; smart materials; three-dimensional printing
Abstract:
... 4D printing is an advanced manufacturing technology that combines the convenience of additive manufacturing and uses stimuli-responsive materials, which has great application potentials in the field of smart structures. Using electroactive shape memory polymer composites (SMPCs), smart devices with remote control capabilities without a heat source can be prepared by 4D printing. In this work, a va ...
biochemistry; calorimetry; enthalpy; heat; least squares; temperature; titration; variance
Abstract:
... By conducting binding experiments at a range of temperatures T using isothermal titration calorimetry (ITC), one can obtain two estimates of the binding enthalpy — calorimetric (ΔH°cₐₗ) from the experiments at each T, and van't Hoff (ΔH°ᵥH) from the T dependence of the binding constant K°. From thermodynamics it is clear that these two must be identical, but early efforts to demonstrate this for I ...
... Rapid heat loss and fast charge carrier recombination constitute two crucial issues that hinder the development of efficient solar energy utilization and conversion over the semiconductor in a photothermal catalytic system. Inspired by energy production from waste water, we designed an advanced 3D C@TiO₂ multishell nanoframe (MNF) photocatalyst. Its unique structural features of heat confinement a ...
Ananas comosus; Arabidopsis; Sclerotinia sclerotiorum; bioinformatics; drought; fungi; genes; heat; heat stress; homeostasis; immunity; phylogeny; pineapples; protein kinases; salt tolerance
Abstract:
... In plants, calcineurin B-like proteins (CBLs) and their interacting kinase, CBL-interacting protein kinases (CIPKs), perform essential roles in mediating responses to various extracellular cues, including biotic and abiotic stresses. Several CIPK genes have been functionally characterized in different plant species. However, to date, the functions of pineapple CIPKs have not been investigated, whi ...
agricultural industry; case studies; computer software; data collection; energy density; equipment; heat; latent heat; phase transition; prototypes; simulation models; thermal energy; wastes
Abstract:
... The development of thermal energy storage solutions (TES) in agroindustry allows reduction of production costs and improvement of operation sustainability. Such solutions require high storage capacity and the ability to adapt to existing equipment. The use of phase change materials (PCMs), which are able to store thermal energy as latent heat, creates new opportunities for heat storage solutions ( ...
Landsat; bark beetles; canopy; coniferous forests; drought; heat; statistics; time series analysis; Central European region; Germany
Abstract:
... Central Europe was hit by several unusually strong periods of drought and heat between 2018 and 2020. These droughts affected forest ecosystems. Cascading effects with bark beetle infestations in spruce stands were fatal to vast forest areas in Germany. We present the first assessment of canopy cover loss in Germany for the period of January 2018–April 2021. Our approach makes use of dense Sentine ...
... Concentrated sulfuric acid is widely used in industrial processes all around the world. Its handling can generate spills with an enormous risk for the operator and the environment. Usually, alkalis are used to remedy this type of spillage, releasing a large amount of heat during the reaction. Absorbent pads are a solution to this problem. Here we present a new and light nanostructured material wit ...
... High temperatures cause huge yield losses in rice. Heat‐shock factors (Hsfs) are key transcription factors which regulate the expression of heat stress‐responsive genes, but natural variation in and functional characterization of Hsfs have seldom been reported. A significant heat response locus was detected via a genome‐wide association study (GWAS) using green leaf area as an indicative trait. A ...
... The Arctic Ocean is well‐known for its large number of mesoscale eddies. We observed a lens‐shaped mesoscale eddy by using two roughly perpendicular multichannel reflection seismic sections collected in the Northwind Basin, Arctic Ocean in late September 2011. This is the first seismic imaging of the water column in the Arctic Ocean. The two lines were acquired about seven days apart. The eddy had ...
Landsat; air pollution; algorithms; carbon dioxide; economic development; heat; models; temperature; China
Abstract:
... Industrial heat sources have made a great contribution to Chinese economic development. However, it has also been found that emissions from industrial heat sources are the main contribution to regional air pollution. Therefore, the detection of industrial heat sources and the expression of related information is becoming important. In this paper, the detection of industrial heat sources was used t ...
carbon; energy; game theory; heat; hydrogen production; models; operating costs; tariffs; wind power
Abstract:
... Hydrogen production and clean heating from renewable power are promising methods to promote renewable energy consumption and reduce carbon emission. This paper is concentrated on the cooperative planning and operation problems of Wind-Hydrogen-Heat multi-agent energy system. A cooperative planning and operative model for the Wind-Hydrogen-Heating multi-agent energy system is proposed based on the ...
heat; heat island; land; landscapes; models; principal component analysis; surface temperature; surface water; vegetation; China
Abstract:
... Although many prior studies have found that landscape pattern significantly affects urban heat environment globally, the spatially heterogeneous in the cooling effects of landscape pattern remains poorly understood. In addition, most previous studies have only employed a single landscape metric separately, without holistic consideration of the composition and configuration of different landscapes. ...
biotechnology; cell membranes; energy; heat; magnetic materials; magnetism; near infrared radiation; phenylboronic acids; viability
Abstract:
... Intracellular delivery of functional molecules is of great importance in various biomedical and biotechnology applications. Recently, nanoparticle-based photothermal poration has attracted increasing attention because it provided a facile and efficient method to permeabilize cells transiently, facilitating the entry of exogenous molecules into cells. However, this method still has some safety conc ...
... Since the hypothesis of Dr. Elie Metchnikoff on lactobacilli-mediated healthy aging, several microbes have been reported to extend the lifespan with different features of healthy aging. However, a microbe affecting diverse features of healthy aging is of choice for broader acceptance and marketability as a next-generation probiotic. We employed Caenorhabditis elegans as a model to understand the p ...
algorithms; conservation areas; data collection; ecosystems; flora; food quality; heat; ornamental plants; population distribution; statistical analysis; surveys; wild plants
Abstract:
... Wild ornamental plants are beneficial as well as dangerous for the environment. Because the introduction of attractive plants that are not suited to the local ecosystem can result in significant environmental damage, a quick integration strategy based on an enhanced clustering algorithm is proposed for wild ornamental plant resources. The technique is enhanced with density stratification by integr ...
... In this work, ReaxFF molecular simulations were performed to study the pyrolysis behavior of chemical cross-linked natural rubber (NR) under non-isothermal and isothermal conditions. Three different sulfur vulcanized NR models were established and simulated to study the effect of inner sulfur structure on NR decomposition behavior and sulfur evolution in comparison with carbon cross-linked structu ...
Monte Carlo method; geophysics; heat; olivine; physical phases; research; temperature profiles
Abstract:
... This study reevaluates the adiabatic temperature profile of the Earth's mantle. The global average temperature at the 410‐km discontinuity is estimated to be 1839 (38) K by comparing the globally averaged depths of the 410‐km discontinuity with the previously determined phase diagram of the olivine‐wadsleyite transition in the system (Mg,Fe)₂SiO₄ at two temperatures. The temperature at the 410‐km ...
... Cryptosporidium spp. are obligate, intracellular parasites that cause life-threatening diarrhea among children and immunocompromised adults. Transmission occurs by the fecal-oral route following ingestion of thick-walled oocysts that can contaminate, persist, and resist disinfection in water and food. Sodium hypochlorite, peroxides, ozone, formaldehyde, and ammonia are suitable disinfectants again ...
... Three high-energy density fuels were generated in a one-pot reaction from the [4+4]-cyclodimerization and cross-coupling of isoprene and myrcene using a homogeneous iron pyridineimine (PDI) catalyst. The resulting mixture of C10, C15, and C20 regio- and chemoselectively synthesized cyclooctadienes was fractionally distilled to yield three fractions. The isolated cyclic hydrocarbons were then hydro ...
bibliometric analysis; energy; heat; qualitative analysis; solar energy
Abstract:
... Solar Thermal is one of many heat sources that support the organic Rankine cycle (ORC) system. The advantage of using solar thermal as a heat source when combined with the ORC system is that it can provide affordable energy supplies in remote areas and it is suitable in disaster territories. Growth in solar-ORC research is not only on a lab/workshop scale but also on an industrial scale. Most arti ...
... Bilayer solar evaporator combines high photothermal conversion capacity and low heat loss, has become the new darling in interfacial solar steam generation (ISSG). However, the bilayer structure generally achieved by introducing a photothermal coating on the substrate is not conducive to long-term use due to the poor stability of coating. Herein, a fully biomass-based bilayer evaporator is all-in- ...
biomass; decision making; heat; models; stakeholders; supply chain; thermal energy
Abstract:
... Biomass district heating systems are an optimal economic and environmental solution for generating and distributing thermal energy. One of the main challenges for a broader development of these systems is the complexity of its implementation in the absence of established regulations in the legal, commercial, technical, or economic fields, a situation that occurs in geographical areas with early ex ...
... Carbon dioxide (CO₂) responsive fluorescent systems mainly focus on modification of fluorophores with specific CO₂-responsive groups, the processes of which are usually tedious and time-consuming. Here, we report a facile strategy for fabricating CO₂-responsive fluorescent system by employing a surfactant, N,N-Dimethyl-1- dodecanamine (C₁₂A), to form an oil-in-water (O/W) emulsion and a fluorophor ...
beef; ecological balance; econometrics; environmental Kuznets curve; greenhouse gas emissions; greenhouses; heat; livestock; markets; meat production; pollution; research and development; temperature
Abstract:
... Recently, the world has faced environmental disasters mainly due to global warming. One of the main reasons for global temperature imbalances is the greenhouse gases (GHG) that soar the atmosphere’s heat. The major aim of the current study is to explore whether the livestock population is the main contributor to GHG emission through econometric estimations. In this study, we examine the impact of ...
... Transcription factors (TFs) fused to the SRDX (a modified repressor domain at the C-terminal region of Arabidopsis SUPERMAN (SUPRD) with the sequence of LDLDLELRLGFA) motif repression domain at their C terminus, generating a chimeric repressor, could act as a dominant suppressor and overcome problems related to functional redundancy between TFs. Here, we demonstrate that transgenic Arabidopsis con ...
carbon; coal; energy efficiency; heat; models; pyrolysis; technology; temperature
Abstract:
... Low-rank coal pyrolysis plays a significant role in clean coal utilisation in various coal-based industries. Using recycled gas or exhaust gas as heat carrier in the pyrolyser is a promising way for improving its energy efficiency and reducing carbon emission. In this study, an experimental and numerical combined study is conducted to cost-effectively investigate the effect of utilising the recycl ...
... The article presents the results of the experimental studies of the processes of removing moisture from fairly typical and widespread forest combustible materials, and woodworking waste under conditions of their thermal preparation for combustion. Based on the results of the experiments, the main regularities of the drying processes of woody biomass under conditions of radiation-convective heating ...
... Recovery of energy from waste is appealing as it meets the energy demand and minimize the problems associated with waste management. Biodiesel derived from waste cooking oil was used in this study along with 1-propanol and 1-hexanol to make a comparative assessment of the alcohol addition on different diesel engine characteristics. Experimental trials were carried out by utilizing two ternary blen ...
... Polyoxymethylene (POM)- and polyamide 6 (PA6)-based biocomposites were investigated in order to evaluate the reinforcing efficiency of a biocarbon filler (BioC). Both types of composites were prepared by melt-blending extrusion with 10, 20, and 30 wt% of BioC. Samples were prepared by the injection molding method and subjected to a detailed analysis consisting of mechanical and thermo-mechanical t ...
case studies; comparative study; environment; heat; land use; surface temperature; urbanization; China
Abstract:
... Currently, most regional thermal environment (RTE) studies in urban agglomerations focus on developing countries, especially China. However, there is still a lack of comparative studies on the RTEs of urban agglomerations between China and other developed countries, such as the United States. This paper used the Beijing-Tianjin-Hebei (BTH) agglomeration in China and Boswash (the highly urbanized a ...
... To reveal the influence of organic polymer supports on the properties of shape stabilized phase change materials (ssPCMs), a linear polyurea (LP) and crosslinked polyurea (CP) were synthesized for stabilizing polyethylene glycol (PEG) for thermal energy storage. Though the surface area of LP are about 25 times of that of CP, the shape stability of CP for melt PEG is better than that of LP. Due to ...
... Here, water-suspended smoke aerosol preparation was synthesized from biomass-based fuel, i.e., a widespread product for residential heating, wood sawdust (WP) (pine, poplar, and birch mixture), and its properties were compared in parallel experiments with the smoke preparation from plastics (PP). Molecular groups in the PM preparations were analyzed using Raman and Fourier-transform infrared spect ...
administrative management; air; comparative study; computer software; electricity; exergy; fluid mechanics; heat; models; solar collectors; summer; thermal energy
Abstract:
... The bifacial photovoltaic/thermal module is an emerging concept that can provide electricity and heat simultaneously, taking advantage of both front and rear sides of the panel; therefore, exhibiting a better performance compared to a conventional photovoltaic module or photovoltaic thermal module. In this study, four configurations of the bifacial photovoltaic/thermal module with different coolin ...
... P. juliflora biochar derived from vacuum pyrolysis was subjected to physicochemical characterization using elemental, TG-DTG, SEM, BET analysis was studied. The maximum biochar yield was recorded to be around 32% at 500 °C for 40 min of residence time. Larger surface area and mesoporous structure (72 m²/g, and 0.083 cm³/g) were recorded for biochar. Thermal profile for P. juliflora was examined at ...
climatology; comparative study; energy balance; energy flow; heat; latent heat flux; net radiation; power generation; power plants; sensible heat flux; soil heat flux; solar energy; summer
Abstract:
... We used the data of observational site in photovoltaic power plant (PV site) and reference site in summer 2020 to compare the characteristics of surface energy flux of PV site and Gobi underlying surface. We defined the photovoltaic virtual flux and calculated the proportion of photovoltaic power generation in the net radiation by using daily power generation and generating hours. The results show ...
... The trend of using non-edible vegetable oils as a potential base stock for industrial lubricants is increasing due to environmental issues and fossil fuel depletion. Calophyllum inophyllum oil (CIO) is a non-edible tree seed oil available in various parts of the world. The major disadvantage of CIO is the high acid and peroxide value, which leads to poor oxidation stability. This study focused on ...
administrative management; cold; commercialization; comparative study; energy conversion; fuel cells; heat; ice; mathematical models; temperature
Abstract:
... The start-up of the proton exchange membrane fuel cell (PEMFC) at temperatures below the freezing point is considered one of the major obstacles hindering the widespread commercialization applications of fuel cells. In this work, a one-dimensional transient numerical model is adopted to study the effects of five different current loading modes on the stack start-up from −20 °C. They are constant c ...
air; carbon dioxide; energy efficiency; heat; risk; wind power
Abstract:
... Developing large-scale energy storage technologies has been considered as an indispensable approach to mitigating the impacts of grid integration of huge solar and wind energy. Compressed carbon dioxide energy storage in aquifers (CCESA) was recently presented and is capturing more attention following the development of compressed air energy storage in aquifers (CAESA). To quantitatively study the ...
... Enzyme inactivation is vital to improve the shelf life of highland barley (HB), but the impacts of different heating assisted enzyme inactivation pretreatment (HAEIP) on structure, physicochemical properties and edible quality remain unclear. This study evaluated the effects of three representative HAEIP for microwave, roasting and superheated steam (SS) on the properties of HB grain and flour bas ...
air; coal; combustion; dry ice; electric power; fire fighting; heat; pollution; research; sublimation; surface temperature
Abstract:
... There is a high potential for coal spontaneous combustion (CSC) above the roof beams of supports during the mining-stopped period. Early detection of temperature abnormal zones and corresponding measures are necessary to prevent CSC. In this work, a top-coal temperature measurement method was proposed, combining the coal surface temperature detection and the drilling temperature observation. Furth ...
electrochemistry; energy; heat; lithium batteries; management systems
Abstract:
... Modelling the electrochemical and thermal behaviours of cylindrical lithium-ion batteries (LIBs) is complicated by their multi-unit jellyroll structure. To evaluate the accuracy of cylindrical LIB models, eight electrochemical-thermal models (ECT) with different levels of fidelity and dimensionality (from one-dimensional (1D) to three-dimensional (3D) electrochemical and thermal models) are establ ...