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21.532  Articles
1 of 2.154 pages  |  10  records  |  more records»
In the aftermath of the oil crisis the greater part of OPEC surplus funds have been recycled through the American Banking system and the Eurodollar market. The present paper proposes a recycling mechanism which would be complementary with regard to those ... see more

Electronic waste, also known as e-waste, is the fastest growing waste stream in South Africa, and poses a serious environmental risk if mismanaged. Through appropriate recycling processes and the recovery of raw materials such as gold and copper, e-waste ... see more

Bivalve mariculture is a type of molluscan farming done in open seawater on racks, rafts or longlines where naturally occurring phytoplankton serves as a key food item, introduced into the enclosures with the normal circulation of seawater. Increasingly, ... see more

Electronic waste, also known as e-waste, is the fastest growing waste stream in South Africa, and poses a serious environmental risk if mismanaged. Through appropriate recycling processes and the recovery of raw materials such as gold and copper, e-waste ... see more

Thermogravimetric analysis of recycling dust (RD) from the melter gasifier of COREX, coke1 (C-1), coke2 (C-2) and coal char (CC) under 70% oxygen atmosphere was carried out using thermal balance. The chemical composition and physical structure of the samp... see more

In this paper a simplified mathematical model for a bag opener mechanical system is obtained. This model can be used for ilustrate the knowledge adquired during the dynamics of mechanisms course, such as: particle dynamic equilibrium, projectil motion and... see more

Environmental and economic issues have significant impacts on reverse logistics practices in supply chain management and are thought to form one of the developmental cornerstones of sustainable supply chains. Perusal of the literature shows that a broad f... see more

Contribution to the analysis of collection procurement mechanisms: The case of the quarry workshop sites of Yocavil Valley (Northwest Argentina)In this paper we propose to analyze and compare four collections of artifacts, which come from surface sit... see more

The advantages and defects of modern technology treatment of polyethylene terephthalate (PETF) wastes, and  amounts of the accumulation PETF-tares are analyses in article. Has been established that exploitative properties of experimental samples from... see more

1 of 2.154 pages  |  10  records  |  more records»