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MEASUREMENT IN BLAST HOLE STEM AND INFLUENCE OF STEMING MATERIAL ON BLASTING QUALITY
[摘要] Paper presents results of blast hole stem materials, that were conducted to assert best stem materials for surface blasting in quarry of technical / construction stone. Blasting has been performed with equal explosives and test-minefield...
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 地质学
[关键词] blasting;civil-usage explosives;shock-wave;stem materials [时效性] 
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