burden charge
5.The influence of specific charge, hole arrangement, charge structure, stem length, millisecond interval and ignition mode on the yield of the blasted boulder is analyzed Some measures to lower boulder yield in deep hole blasting of underground mine are presented through the optimization of blasting operation parameters as follows: lowering deep hole blasting effect of geology structure, rationally determining specific charge, using technique of wide-space small burden blasting, technique of manifold charge structure and technique of millisecond compression blasting, strengthening the management of boring construction and blasting construction.
8.Due to illness, blame be injured at work lose charge of appraisal of labor capability rate, by what be applied for by appraiser place unit, appraisal charge by be paid by appraiser place unit; By what be applied for by appraiser, appraisal charge by be advanced when application by appraiser, lose labor ability and above for the part like classics appraisal conclusion, appraisal charge should by by burden of appraiser place unit.

