It was learned from the MLR that RMB27.7 billion was invested in geological survey and solid mineral exploration in 2009......

The centerline segregation in continuous casting steel is known to be formed by the interdendritic enriched liquid flow ......

Portable computer programhelp drllling optlmizationby Chris H. ReinsvoldSmith Tool Division of Smith International Inc.A......

Test Generation for large circuits may be extremely difficult.One of the approaches to alleviatingthis problem is to co......

Air route network(ARN)planning is an efficient way to alleviate civil aviation flight delays caused by increasing develo......