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4721
Higher CH4 production in permafrost while oxidation prevails in the active layer: Insights from a forest‒wetland ecotone in Northeast China
Published 2025-04-01“…Amongst microbial properties, CH4 production was enhanced by the abundance of mcrA genes and methanogenic diversity rather than by community composition. On the contrary, CH4 oxidation was influenced by pmoA gene abundance, methanotrophic diversity and community composition. …”
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4722
Larvicidal Potential of <i>Trattinnickia Burserifolia</i> Mart. Essential Oil in Controlling the Malaria Vector in the Amazon
Published 2025-04-01“…<b>Results</b>: Efficacy was evaluated after 24, 48, and 72 h to determine LC<sub>50</sub>, LC<sub>90</sub>, and other parameters. Chemical composition analysis revealed the presence of 40 compounds, primarily terpenes such as tricyclene, β-pinene, limonene, and α-pinene, which possess bioactive properties that contribute to vector control. …”
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4723
Hydrochemical conditions and phytoplankton in the Kievka estuary (Japan Sea) with calculation of primary production by phosphorus utilization
Published 2023-12-01“…Spatial distribution of chemical parameters, as concentration of dissolved inorganic phosphorus (DIP), inorganic silica, nitrite nitrogen, nitrate nitrogen, ammonium nitrogen, total iron, dissolved oxygen, and biochemical oxygen demand (BOD5) is considered together with species composition, abundance and biomass of phytoplankton on the data of complex survey conducted in the estuary of the Kievka River in May 2020, with special attention to DIP and phytoplankton variations along the salinity gradient in the zone of mixing fresh and saline waters. …”
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4724
Semiconductor Nanocrystals and Graphene Oxide as Visible-Light-Sensitive Photoinitiators of Acrylamide Polymerization in Water
Published 2015-02-01“…On the basis of kinetic parameters the photopolymerization process was found to be of the chain free radical character with a principal chain termination route being macro-radicals recombination. …”
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4725
Modelling combustion reactions for gas flaring and its resulting emissions
Published 2016-07-01“…The effect of key parameters on the emission output is also shown. CO2, CO, NO, NO2 and SO2 are the anticipated non-hydrocarbon emissions of environmental concern. …”
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4726
Yakut Northern Complex Expedition of 1964-1965
Published 2019-10-01“…The work carried out made it possible to establish the personal composition of the expedition, the methodology of research, their geography and main directions. …”
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4727
Evaluation of Oxidation Stability of Organic and Conventional Hazelnut Oils
Published 2025-01-01“…For this purpose, oxidation parameters such as peroxide value (PV), free fatty acid (FFA), anisidine value (AV), volatile lipid oxidation compounds (VLOC), fatty acid composition, and total antioxidant capacity (TAC) of the hazelnut oil samples were investigated under conditions of accelerated storage. …”
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4728
Physico-chemical properties of ZnO doped nanostructured hydroxyapatite
Published 2023-11-01“…The paper presents new results on the preparation and investigation of a composite material of HAP powder with the addition of ZnO. …”
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4729
Simulation of N-Propanol Dehydration Process Via Heterogeneous Azeotropic Distillation Using the NRTL Equation
Published 2017-03-01“…Numerical values of the NRTL equation parameters for calculation of the vapour - liquid - liquid equilibria (VLLE) at atmospheric pressures have been presented for 5 ternary mixtures. …”
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4730
Synthesis, Optimization, and Characterization of Ecofriendly Production of Gold Nanoparticles Using Lemon Peel Extract
Published 2021-01-01“…Other elements of the composition are removed by the EDAX methods, the FTIR method, and the TEM methods, all of which reveal the real reason behind the required extraction capacity. …”
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4731
A novel quality by design approach for developing an HPLC method to analyze herbal extracts: A case study of sugar content analysis.
Published 2018-01-01“…The present AQbD approach is efficient and suitable for analysis objects with complex compositions.…”
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4732
Suicides in Siberia from 1925 to 1937: Causes, Dynamics, and Significance
Published 2024-09-01“…These parameters are analyzed in comparison with similar indicators across the RSFSR and the USSR, revealing the presence of regional specificity. …”
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4733
MICROSTRUCTURE AND PROPERTIES OF RESISTANCE SPOT BRAZING JOINT OF ULTRA-THIN AUSTENITIC STAINLESS STEEL
Published 2022-01-01“…The influence of technological parameters on the microstructure and mechanical properties of resistance spot brazing joint was analyzed, the element distribution and phase composition in the joint area were determined, and the air tightness of the joint was verified. …”
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4734
Modeling Homogeneous, Stratified, and Diffusion Combustion in Hydrogen SI Engines Using the Wiebe Approach
Published 2025-06-01“…This study further develops the model by accounting for the combined influence of the mixture composition and engine speed, mixture stratification, and the effects of injection and ignition parameters on premixed and diffusion combustion. …”
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4735
An in silico framework for the rational design of vaginal probiotic therapy.
Published 2025-02-01“…Bacterial vaginosis (BV) is a common condition characterized by a shift in vaginal microbiome composition that is linked to negative reproductive outcomes and increased susceptibility to sexually transmitted infections. …”
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4736
Methodological basis for the implementation of train formation plans for carriers in the train schedule at the infrastructure site
Published 2018-04-01“…The current market of railway transport participants is distinguished by an expanded composition of possible participants in comparison with the traditional approach “shipper - carrier - recipient”, taking into account the tendencies of limiting natural monopolies and ensuring equitable access to the services of the railway transport infrastructure provided by the agreement on the Eurasian Economic Union. …”
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4737
A simple and non-invasive method for nuclear transformation of intact-walled Chlamydomonas reinhardtii.
Published 2014-01-01“…We present optimized parameters for efficient transformation including pre-treatment, friction force, concentration of foreign DNA/aminoclay, and plasticity of agar plates. …”
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4738
Depolymerization of Rice Straw Lignin into Value-Added Chemicals in Sub-Supercritical Ethanol
Published 2022-01-01“…In this study, the influence of solvent composition and reaction parameters such as binary solvents ratio, time, and temperature, the solvent-to-lignin ratio on the depolymerization of rice straw lignin was investigated carefully. …”
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4739
Assessment of the current state of ecosystems taking into account the diversity of adventitious species
Published 2022-12-01“…But all of them operate with almost two indicators – the number of species and their relative abundance – quantitative parameters, without taking into account modern qualitative changes in species in the composition of ecosystems.Results. …”
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4740
Mechanical and tribological characteristics of multicomponent nitride coverings on the basis of Zr, Ti, Nb, Cr and Si
Published 2018-12-01“…The researches show that chemical composition, microstructure and mechanical and tribological characteristics of coverings are intimately bound to deposition parameters, in particular as: pressure of working gas and potential of shift on the substrate. …”
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