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Приказ резултата 11-20 од 379
Isopiestic determination of osmotic coefficients in the ionic strength range Im = (0.9670–2.2160) mol⋅kg−1 and activity coefficients determined by electromotive force measurements in the range Im = (0.0897–1.0054) mol⋅kg−1 of the {yKCl + (1 – y) K2HPO4}(aq) system at T = 298.15 K
(Elsevier B.V., 2022)
The mean activity coefficients of KCl in the ternary system {y KCl + (1 – y) K2HPO4}(aq) were experimentally determined at T = (298.15 ± 0.01) K by the electromotive force measurement (EMF method) using the cell of the ...
Recovery of bioactive molecules from Hypericum perforatum L. dust using microwave-assisted extraction
(Springer Science and Business Media Deutschland GmbH, 2022)
Microwave-assisted extraction (MAE) conditions were optimized to improve extract quality of medicinal herb — Hypericum perforatum L. (St. John’s wort) dust. Response surface methodology was applied initially to obtain the ...
Blocking the 2,3-butanediol synthesis pathway of Klebsiella pneumoniae resulted in l-valine production
(Springer Science and Business Media B.V., 2022)
Klebsiella pneumoniae is a 2,3-butanediol producing bacterium. Nevertheless, a design and construction of l-valine production strain was studied in this paper. The first step of 2,3-butanediol synthesis and branched-chain ...
Electrospun polyacrylonitrile fibers incorporated with microporous carbon for improved airborne PM2.5 filtration
(Elsevier Ltd, 2022)
Particulate matter 2.5 (PM2.5) pollutant particles have been identified as significant participants in air pollution, thus, special attention is paid to air filtration as a method of their efficient removal. A novel and ...
Thermal and dielectric properties of low-density polyethylene/NaA zeolite composites
(Polymer International, 2022)
The effect of the weight fraction of NaA zeolite on thermal properties (specific heat capacity, thermal diffusivity, thermal conductivity) and dielectric properties (electrical conductivity, real and imaginary electric ...
Review-A Review of the Corrosion Behaviour of Graphene Coatings on Metal Surfaces Obtained by Chemical Vapour Deposition
(IOP Publishing Ltd, 2022)
Outstanding characteristics of graphene are its high thermal conductivity, inherent high capacity, extremely large specific surface area, high strength, ductility, and remarkable chemical inertness, making it an attractive ...
Structural and optical characterization of titanium–carbide and polymethyl methacrylate based nanocomposite
(Springer, 2022)
The rich chemistries and unique morphologies of titanium carbide MXenes, made them strong candidates for many applications like sensors and electronic device materials. During the synthesis procedure, chemical etching, ...
Separation of high-value extracts from Silybum marianum seeds: Influence of extraction technique and storage on composition and bioactivity
(Academic Press, 2022)
Extracts from Silybum marianum seeds have high industrial potential due to their application as phytopharmaceuticals and food. In order to optimize its production, conventional extraction (in Soxhlet apparatus using solvents ...
SUSTAINABLE DEVELOPMENT IN WPCBs TREATMENT FOR PRODUCTION OF BITUMINOUS WATERPROOFING MATERIALS
(Association of Metallurgical Engineers of Serbia, 2022)
Due to the rapidly increasing use of electrical devices, e-waste became one of the major threats to the environment. Waste printed circuit boards (WPCBs) are an integral part of electrical devices, thus the interest in ...
Flame-Retardant, Antimicrobial, and UV-Protective Lignin-Based Multilayer Nanocoating
(American Chemical Society, 2022)
Creating multifunctional textiles using chemicals from renewable sources is challenging. In an effort to develop a sustainable and efficient multifunctional cotton treatment, a lignin-based multilayer nanocoating comprising ...