نتایج جستجو برای: mine explosion

تعداد نتایج: 40903  

2015
A. Qadi A. Boivin W. Jamroz R. Kruzelecky K. Olsen A. Tremblay

The Canadian Space Agency (CSA), through its Analogue Missions program, supported a microrover-based analogue mission designed to simulate a Mars rover mission geared toward identifying and characterizing methane emissions on Mars. The analogue mission included two, progressively more complex, deployments in open-pit asbestos mines where methane can be generated from the weathering of olivine i...

2017
J. Krishna Suryanarayana Babu

CDFP-Mine, a novel approach for finding huge Colossal Pattern Sequences (CPS) from High Dimensional Biological Datasets is talked about in this paper. CDFP-Mine has successfully found Determinate Frequent Patterns (DFP) which is additionally advanced into a DFPT + tree to produce CPS with vector intersection operator. CDFP-Mine influences utilization of a novel incorporated data structure calle...

2013
Snehamoy Chatterjee

A reliability analysis of a dumper machine is performed using the neural network model. A metaheuristic algorithm is applied for proper parameter selection for the neural network. A time series approach is applied in the reliability analysis to forecast the dumper’s future failure time. The time series analysis is performed using the neural network model, where the numbers of input variables fo...

Journal: :Environmental geochemistry and health 2009
P Zhuang B Zou N Y Li Z A Li

This study was designed to investigate heavy metal (Cu, Zn, Pb, and Cd) contamination levels of soils, vegetables, and rice grown in the vicinity of the Dabaoshan mine, south China. The concentration of Cu, Zn, Pb, and Cd in paddy soil exceeded the maximum allowable concentrations for Chinese agricultural soil. The heavy metal concentrations (mg kg(-1), dry weight basis) in vegetables ranged fr...

Journal: :International Journal of Engineering and Management Research 2021

Rapid detection of causes mining accidents leading to emergencies is search the efforts. Controlling fires and gas leaks provides an immediate approach rescue work for fatalities or injuries detecting who needs resuscitation outside mine. Evacuation recovery operations should be guided by continuous monitoring mine environment due fire explosion hazards. The main toxic gases in mines are carbon...

Journal: :Clinical pharmacology and therapeutics 2001
P du Souich J Vergés

analysis of the relationship between the pharma-cologic response of a drug and its dose or its plasma concentrations is essential to determine the adequate dosage to use, to evaluate the benefits and the risks of dosage adjustment, to compare its potency with that of other drugs, and to predict the repercussions on the effect of drug-drug interactions. The analysis of the changes of the respons...

2008
Mónica Sofia Furtado Martins Erika Silva Santos José Jorge Barros

Acid mine drainage (AMD) causes several environmental problems in many countries. The use of biological processes with sulphate-reducing bacteria (SRB) has great potential within environmental biotechnology. The aim of this study was to develop a bioremediation system, using a mixed culture of SRB, for the treatment of AMD from São Domingos mine. Sulphate and heavy metals (Fe, Cu and Zn) concen...

2007
J. E. Everett

Bauxite is mined and transported by conveyor to a processing plant, screened and washed, then placed into blended stockpiles to feed the alumina refinery. While being stacked to the stockpile, the ore is sampled. Completed stockpiles must be acceptably close to target grade (composition), not only in alumina, but also in residual silica, carbon and sodium carbonate. The mine is an open-cut pit....

Journal: :The Journal of Cell Biology 1962
P. Emmelot I. J. Mizrahi R. Naccarato E. L. Benedetti

During experiments on the counteraction of the toxic effects of the carcinogen dimethylnitrosa-mine (1, 2) by cysteine (3, 4), it appeared that sub-cutaneous administration of 150 mg cysteine twice daily during 2 days to adult rats (inbred strain R-Amsterdam) led to a marked increase in the amount of material present in the liver microsomal fraction. The present paper briefly describes some of ...

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