نتایج جستجو برای: economical process
تعداد نتایج: 1327445 فیلتر نتایج به سال:
The heat treatment process was known as one of the most economical routes for development of the high strength steels. Low alloy AISI4140 steel was also famous for its widespread applications in the automotive and aerospace industries. Thus, a combination of heat treatment procedure and using this type of steel could be the economical and applicable process for various industries. As a result, ...
The research aimed to apply the Taguchi method for techno-economical evaluation of Cr+6 removal using the electro-coagulation process with the aid of two different coagulants (FeCl3 and PAC). Taguchi orthogonal array L27 (313) was applied for analyzing the effect of four variables including initial pH, reaction time, current density and coagulant types in an attempt to improve the chromium remo...
A simple, clean, and environmentally benign three-component process for the synthesis of 2-amino-4Hchromenes using [mim]Cl, as an efficient catalyst under solvent-free conditions are described. A wide range of aromatic aldehydes easily undergoes condensations with 1-naphthol and malononitrile under solvent-free conditions to afford the desired products of good purity in excellent yields. Taking...
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