Results 1 to 10 of about 24,024 (149)

Exothermic Effects and Viscosity of Oxide Melts Formed During High-Temperature Reduction of Cr–Mn Ore Systems [PDF]

open access: yesMolecules
This study investigates the exothermic effects and viscosity properties of multicomponent oxide melts during the high-temperature reduction of low-grade Cr–Mn ores.
Yerbolat Makhambetov   +10 more
doaj   +2 more sources

Preparation and Performance Optimization of Organosilicon Slag Exothermic Insulating Riser [PDF]

open access: yesArchives of Foundry Engineering, 2023
The exothermic insulating riser played an important role in the solidification process of metal liquid for the improvement of casting quality. This paper focused on the use of organosilicon slag to replace part of the aluminum powder as an exothermic ...
Jijun Lu   +3 more
doaj   +1 more source

Features of dynamics change of properties of diffusion-hardening solder at various conditions

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
A study was conducted of the change in the hardness of diffusion-hardening solder based on a low-melting gallium alloy: gallium-tin-zinc when interacting with the Spherical copper-tin alloy powder (SCTAP5) under normal conditions (temperature 25°C) and ...
V.M. Skachkov
doaj   +1 more source

CHANGE IN PROPERTIES OF DIFFUSION-HARDENING SOLDER IN DEPENDENCE ON THE COMPOSITION OF THE LIQUID METAL COMPONENT

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
The article discusses the change in the properties of diffusion-hardening solder in dependence on the composition of the liquid metal component based on low-melting gallium alloys: gallium-tin, gallium-indium-tin and gallium-tin-zinc when interacting ...
V.М. Skachkov
doaj   +1 more source

Multi-Objective Optimization of Braun-Type Exothermic Reactor for Ammonia Synthesis

open access: yesEntropy, 2021
The exothermic reactor for ammonia synthesis is a primary device determining the performance of the energy storage system. The Braun-type ammonia synthesis reactor is used as the exothermic reactor to improve the heat release rate.
Tianchao Xie, Shaojun Xia, Chao Wang
doaj   +1 more source

The Exothermic Effects of Textile Fibers during Changes in Environmental Humidity: A Comparison between ISO:16533 and Dynamic Hot Plate Test Method

open access: yesFibers, 2023
The exothermic effects of high regain fiber types have been described before; yet, there have not been reliable tests to demonstrate these effects on the human body.
Faisal Abedin, Emiel DenHartog
doaj   +1 more source

Impact of Post-Earthquake Seismic Waves on the Terrestrial Environment

open access: yesApplied Sciences, 2021
When an earthquake occurs, it is not only the crustal material in the seismic zone that moves violently; the seismic waves of the earthquake with certain level of energy can act on the crust over large areas, producing remote effects that affect the ...
Xiangzhi Zeng, Wencai Yang
doaj   +1 more source

Exothermic characteristics research of chemical self-heating solution in the gas hydrate exploitation process

open access: yesFrontiers in Energy Research, 2022
Thermal stimulation methods of hydrate exploitation with chemical self-heating solution began to be investigated in the recent years. However, the exothermic characteristics of chemical self-heating solution during the gas hydrate exploitation process ...
Xuzhong Zheng   +9 more
doaj   +1 more source

Modeling and Simulations of Buongiorno’s Model for Nanofluid in a Microchannel with Electro-Osmotic Effects and an Exothermal Chemical Reaction

open access: yesNanomaterials, 2021
The article presents a mathematical model for the magnetized nanofluid flow and heat transfer with an exothermic chemical reaction controlled by Arrhenius kinetics. Buongiorno’s model with passive boundary condition is employed to formulate the governing
Ammarah Raees   +2 more
doaj   +1 more source

Thermal stability of nitric acid solutions of reducing agents used in spent nuclear fuel reprocessing

open access: yesNuclear Engineering and Technology, 2022
The thermal stability of carbohydrazide, hydrazine nitrate, acetohydroxamic acid in nitric acid solutions has been studied at atmospheric pressure and above atmospheric pressure.
A.S. Obedkov   +3 more
doaj   +1 more source

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