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The main objective of geochemical mapping is to recognize the promising areas for the semi-detailed exploration in next steps of geochemical exploration. To reach the goal the thresholds value of each interested elem ent within the geochemical sample should be determined at the prelimin ary step. At the present article , it is attempted to use the raw geochemical data after pre-processing to distinguish the prom ising area within the Khusf 1:50000 sheets which is located at 35 km west of Birjand at the south khora...

Investment in the mine scope is one of the most risk able fields. In the new management skills, risk management is a ve ry important feature. During of the execution of a mine project, the variation of each effective factor can affect on the execution, production and efficiency, therefore a mining project ma nager must be knowledge about of any effective parameter such as Annual productivity, annual benefit, annual cost and exploitation time, in project The net present value (NPV) is one of the most important meth...

Quantitative risk assessment is a procedure fo r estimating the probability of an adverse health effect occurring in a local population from some events and the probability of the occurrence of the event. The risk analysis pr ocess consists of hazard identification, risk estimation, risk acceptability, risk evaluation and risk management. In this research, after extracting the risk assessment components; an algorithm has been drawn in order to analyse the risk assessment and to esta blish the framework for risk an...