نتایج جستجو برای: miduk copper concentrator
تعداد نتایج: 84399 فیلتر نتایج به سال:
-Even though most variations of solar concentrators have been studied or built at some time or other, an important class of concentrators has been overlooked until very recently. These novel concentrators have been called ideal because of their optical properties, and an example, the compound parabolic concentrator, is being tested at Argonne National Laboratory. Ideal concentrators differ radi...
a new method is developed for a fast identification of the stability situation of industrial processes. the proposed method includes two factor ratios of the control constants for the upper and lower control limits to process these constants. an indication ratio is then defined as the ratio of the maximum data range value to the difference between the maximum and average values for individual d...
Effect of Long-Term Stockpiling on Oxidation and Flotation Response of Low-Grade Copper Sulphide Ore
Since the start-up of Sossego copper concentrator, located in Carajás Mineral Province southeast Para State, Brazil, low-grade ore (~0.34% Cu) has been stockpiled, as defined long-term mine plan, to be reclaimed at end life. Given this imminent need process around 40 Mt ore, questions have raised related extent oxidation that might occurred stockpiled ore. In context, a study was designed chara...
Multijunction III-V concentrator cells of several different types have demonstrated solar conversion efficiency over 40% since 2006, and represent the only third-generation photovoltaic technology to enter commercial power generation markets so far. The next stage of solar cell efficiency improvement, from 40% to 50%-efficient production cells, is perhaps the most important yet, since it is in ...
A Systematic Method of Interconnection Optimization for Dense-Array Concentrator Photovoltaic System
This paper presents a new systematic approach to analyze all possible array configurations in order to determine the most optimal dense-array configuration for concentrator photovoltaic (CPV) systems. The proposed method is fast, simple, reasonably accurate, and very useful as a preliminary study before constructing a dense-array CPV panel. Using measured flux distribution data, each CPV cells'...
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