نتایج جستجو برای: aluminum reduction plant
تعداد نتایج: 913523 فیلتر نتایج به سال:
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
BACKGROUND AND AIMS The lack of knowledge about key traits in field environments is a major constraint to germplasm improvement and crop management because waterlogging-prone environments are highly diverse and complex, and the mechanisms of tolerance to waterlogging include a large range of traits. A model is proposed that waterlogging tolerance is a product of tolerance to anaerobiosis and hi...
Ecological impact assessments of contaminated soil on plants has been an interesting area in the last few years as restoration of contaminated environments for better ecological health is addressed. In this study, the photosynthetic and related morphological and physiological characteristics of two soybean (Glycine max Merrill.) varieties were evaluated in response to aluminum (Al) stress in so...
This paper presents an ant colony optimization metaheuristic for the solution of an industrial scheduling problem in an aluminum casting center. We present an efficient representation of a continuous horizontal casting process which takes account of a number of objectives that are important to the scheduler. We have incorporated the methods proposed in software that has been implemented in the ...
This article analyzes the operation of hydro generators based on modes a hydroelectric power plant operating in Arctic zone Russian Federation. The main load hydropower is an aluminum smelter. nonlinear smelter powerful source harmonic disturbances. produces current and voltage distortions not only electrical networks but also those city generating busbars plant. As consequence, higher harmonic...
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