Search Results - "Meech, J.A."

Enhanced dissolution of minerals: stored energy, amorphism and mechanical activation by Tromans, D., Meech, J.A.

“…A theoretical evaluation of the origin and role of stored energy in the phenomenon of mechanically-activated dissolution of finely milled minerals has been…”
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Enhanced dissolution of minerals: Microtopography and mechanical activation by Tromans, D., Meech, J.A.

“…A theoretical evaluation of the role of microtopography in the phenomenon of mechanically activated dissolution of finely milled minerals has been undertaken…”
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Fracture toughness and surface energies of covalent minerals: theoretical estimates by Tromans, D., Meech, J.A.

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Process design for gold ores: A diagnostic approach by Torres, V.M., Chaves, A.P., Meech, J.A.

“…Much careful work and thought are needed from the time an ore is discovered until a marketable product is produced. Most often, incomplete or imprecise…”
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Correspondence by Meech, J.A.

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Correspondence by Meech, J.A.

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An adaptive fuzzy model to evaluate technological evolution by Meech, J.A., Veiga, M.M.

“…Fuzzy Expert Systems can be applied to study the evolution of an idea, process or methodoloy from a position of full acceptance and widespread use to one of…”
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Fracture toughness and surface energies of minerals: theoretical estimates for oxides, sulphides, silicates and halides by Tromans, D, Meech, J.A

“…Theoretical estimates of the ideal fracture toughness and surface energies of 48 minerals have been modelled by treating them as ionic solids, using the Born…”
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Induced plant uptake and transport of mercury in the presence of sulphur-containing ligands and humic acid by Moreno, F.N, Anderson, C.W.N, Stewart, R.B, Robinson, B.H, Ghomshei, M, Meech, J.A

“…• The induced accumulation of mercury (Hg) by plants was investigated for the species Phaseolus vulgaris (Bush bean), Brassica juncea (Indian mustard), and…”
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Influence of impact velocity on fragmentation and the energy efficiency of comminution by Sadrai, S., Meech, J.A., Ghomshei, M., Sassani, F., Tromans, D.

“…Comminution processes such as crushing and grinding are essential stages in mining and mineral processing operations to reduce the size of ore and rock, and to…”
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Effect of thioligands on plant-Hg accumulation and volatilisation from mercury-contaminated mine tailings by Moreno, F.N, Anderson, C.W.N, Stewart, R.B, Robinson, B.H, Nomura, R, Ghomshei, M, Meech, J.A

“…This study investigated the effect of thioligands on mercury (Hg) volatilisation and plant accumulation for Brassica juncea plants grown in mine tailings…”
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Intelligold-an expert system for gold plant process design by Torres, V.M., Chaves, A.P., Meech, J.A.

“…Gold mining projects are a rare opportunity in the minerals industry. They require relatively small capital and give high profitability and fast return on…”
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Reactivity of mercury from gold mining activities in darkwater ecosystems by Meech, J.A, Veiga, M.M, Tromans, D. (British Columbia Univ., Vancouver (Canada))

“…Mercury (Hg) emissions from informal gold mining operations represent a serious environmental problem in developing countries. In Amazonia, from 70 to 170…”
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Predicting the impact of mercury pollution with a fuzzy expert system by Meech, J.A., Veiga, M.M.

“…A fuzzy expert system to assess the bioaccumulation risk in gold mining regions of the World has been developed. Since the subject is fraught with…”
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Educational measures to address mercury pollution from gold-mining activities in the Amazon by Veiga, M.M, Meech, J.A, Hypolito, R

“…Mercury (Hg) discharge from informal gold-mining activities in the Amazon region derives from a lack of concern of the miners for the environment as well as…”
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An adaptive artificial neural network to model a Cu/Pb/Zn flotation circuit by Forouzi, S., Meech, J.A.

“…We describe the planning and development of an artificial neural network model of line 3 of the Copper/Lead/Zinc flotation circuit at Brunswick Mining's…”
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Towards a better understanding of fuzzy sets applied to environmental science by Ghomshei, M.M., Meech, J.A.

“…The fuzzy set of a concept is defined by the distribution function of the degree of belief in a certain qualitative parameter, over a range of variation in a…”
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Knowledge accumulation techniques in MINEX-an electronic field guide to rocks and minerals by Nagel, J., Meech, J.A.

“…Development of an expert system to teach qualitative mineralogy is presented. The system is designed to help a user learn the subject and not rely on the…”
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An adaptive artificial neural network to model a Cu/Pb/Zn flotation circuit by Forouzi, S., Meech, J.A.

“…In this paper, we describe the planning and development of an artificial neural network model of line 3 of the copper/lead flotation circuit at Brunswick…”
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Using fuzzy logic for on-line trend analysis by Poirier, P.J., Meech, J.A.

“…Real-time trend analysis of plant data is an important but sometimes difficult human-thought process. While experienced operators can usually quickly filter…”
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