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5.969  Articles
1 of 598 pages  |  10  records  |  more records»
. Formulation of the problem. Synthesis of a chemically stable electrolytic copper powder with controlled particle size and shape, the desired structural, physical and functional properties. Methodology. The process of copper electrolytic deposition were ... see more

A facile polyol process for producing copper powders with controllable size is described here. The copper powders have been readily synthesized by the reduction of copper (II) nitrate trihydrate with the solution of glycerol and sodium hydroxide. The X-ra... see more

In industry copper powder is recieved under constant DC. Surface roughening occurs during evolution of the dendritic particles. It is suggested to create a new impulse of current equal to the initial current density of 3200 A/m2 in order to obtain uniform... see more

The possibility of obtaining of ultradisperse copper powders  by electrolysis from aqueous-isopropanol solutions of copper nitrate in the presence of additives of polyvinyl alcohol ?nd cation-active reagent «?P... see more

A selection of capillary structure of sintered copper powder for heat pipes based on the experimental thermal performance was conducted. Due to the geometric characteristics, the manufactured heat pipes can be used in electronics cooling. The heat pipes a... see more

The aim of this work is to study the effectiveness of retention of cations Cu2+ by adsorption on a powder activated carbon (CAP) and on non-treated bentonite of Maghnia (Bb). The treated solutions are synthetic solutions of copper in distilled water.Our t... see more

The aim of this work is to study the effectiveness of retention of cations Cu2+ by adsorption on a powder activated carbon (CAP) and on non-treated bentonite of Maghnia (Bb). The treated solutions are synthetic solutions of copper in distilled water.Our t... see more

In this work we aimed to test the antibacterial effect of many copper and bismuth powders (salts) on Gram positive and Gram negative bacterial species. Eight samples of [(xB2O3(1-x)Bi2O3]10%CuO and another eight of [(xB2O3(1-x)Bi2O3] with various granulat... see more

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