Results 11 to 20 of about 710,341 (267)

Effect of the Transatmospheric Sun Electromagnetic Radiation, Simulated Laboratory, on the Mechanical Properties of the KAPTON H Type Polyimide Films

open access: yesEast European Journal of Physics, 2019
The mechanical properties (limit of forced elasticity, fracture stress, total deformation to failure and its components) of a 75 mm-thick polyimide film of kapton H type under uniaxial tension conditions at 293 K after exposure to the outer space factors
Viktory A. Lototskaya   +8 more
doaj   +1 more source

Low-Temperature Engineering [PDF]

open access: yesNature, 1959
Cryogenic Engineering By Russell B. Scott. Pp. xi + 368. (Princeton, N.J.: D. Van Nostrand Company, Inc.; London: D. Van Nostrand Company, Ltd., 1959.) 5.60 dollars; 42s.
openaire   +1 more source

Thermoactivated heat transfer mechanism in molecular crystals: Thermal conductivity of benzophenone single crystals

open access: yesAIP Advances, 2019
Thermal conductivities of two benzophenone single crystals have been measured at temperatures from 4.7 to 270 K. The experimental data for both are consistent for temperatures above 15 K.
A. Jeżowski   +8 more
doaj   +1 more source

Facile Preparation of Mesoporous MCM-48 Containing Silver Nanoparticles with Fly Ash as Raw Materials for CO Catalytic Oxidation

open access: yesMicromachines, 2021
An environmentally friendly method was proposed to prepare mesoporous Mobil Composition of Matter No.48 (MCM-48) using fly ash as the silica source.
Dong Tian   +4 more
doaj   +1 more source

Genomes of Neutrophilic Sulfur-Oxidizing Chemolithoautotrophs Representing 9 Proteobacterial Species From 8 Genera

open access: yesFrontiers in Microbiology, 2019
Even in the current era of metagenomics, the interpretation of nucleotide sequence data is primarily dependent on knowledge obtained from a limited number of microbes isolated in pure culture.
Tomohiro Watanabe   +7 more
doaj   +1 more source

The Effect of Divalent Metal Ions on the Temperature Stability of Poly(I:C) Duplex

open access: yesJournal of Spectroscopy, 2020
The effect of divalent ions on the thermal stability of the double-stranded polynucleotide polyinosinic:polycytidylic acid (poly(I:C)) in a buffer solution (pH 7) was studied by UV absorption spectroscopy and thermal denaturation by measuring the ...
Evgeniya Usenko   +3 more
doaj   +1 more source

Effect of the Addition of Graphene Flakes on the Physical and Biological Properties of Composite Paints

open access: yesMolecules, 2023
In this study, graphene flakes were obtained using an electrolytic method and characterized using X-ray diffraction (XRD), Raman and FTIR spectroscopy, scanning and transmission electron microscopy (SEM/TEM).
Natalia Bartczak   +12 more
doaj   +1 more source

Low temperature plasma irradiation products of sodium lactate solution that induce cell death on U251SP glioblastoma cells were identified

open access: yesScientific Reports, 2021
Low-temperature plasma is being widely used in the various fields of life science, such as medicine and agriculture. Plasma-activated solutions have been proposed as potential cancer therapeutic reagents.
Hiromasa Tanaka   +13 more
doaj   +1 more source

Low-Temperature Combustion in Diesel Engines

open access: yes, 2023
The growing energy demand for transportation has led to a shift towards eco-friendly combustion or improved diesel engines with increased efficiency, reduced emissions, and sustainability. Low-temperature combustion (LTC) aims to achieve controlled combustion, balancing optimal performance with lower NOx and SO2 emissions.
Tsegaye Getachew, Mesay Dejene
openaire   +1 more source

Giant Young’S Modulus Variations in Ultrafine-Grained Copper Caused by Texture Changes at Post-Spd Heat Treatment / Gigantyczne Zmiany Modułu Younga W Ultra Drobnoziarnistej Miedzi Spowodowane Przez Zmiany Tekstury W Trakcie Obróbki Cieplnej Po SPD

open access: yesArchives of Metallurgy and Materials, 2015
The effect of annealing on dynamic Young’s modulus, E, of ultrafine-grained (UFG) copper obtained by combined severe plastic deformation (SPD) is investigated.
Pal-Val P.   +4 more
doaj   +1 more source

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