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《JOURNAL OF CHENGDU UNIVERSITY OF TECHNOLOGY》 1999-03
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THE APPLICATION OF MULTIPLE REGRESSION ANALYSIS TO THE STUDY OF BIOMINERALIZATION

Zhu Dicheng, Lin Li, Zhu Lidong (Chengdu University of Technology, China)  
Based on the regression analysis, this paper discusses the effects of the density of gold solution, time, and different species on the absorptivity which organism adsorbs gold, and then compares with that of clay mineral . The result shows that: ①The absorptivity of gold of organism results in the steep rise of absorptivity, which is finished in a short time, and its mechanism stems from the passive adsorption of organism and the complexation of cell walls. ②Both the density of gold solution and the time are significant factors which effect the absorptivity of gold of organism, the factor of the former is more remarkable than that of the later. ③Compared with the adsorption of gold of organism, the adsorption of gold of clay mineral is a slower process, in which the effect of time becomes considerable important. At the end of this paper, the authors make a stab at analyzing the causes of those phenomena.
【Fund】: 地质矿产部青年地质学家基金 国家自然科学青年基金
【CateGory Index】: P618.510.1
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