Scouting for wildflowers near crested butte, colorado, schallau hit a gold mine : a field of mule ' s ear against a backdrop of the anthracite range and a glorious sunset.
Impact experiments for anthracite of Yunjialing coal mine are performed on split Hopkinson pressure bar(SHPB) equipment with a large diameter of 75 mm.
利用大直径单轴分离式霍普金森压杆装置对云驾岭煤矿无烟煤进行了冲击压缩试验。
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According to the request of double driving roadways of Sihe Mine Jincheng Anthracite Mining co. Limited, the paper researched and developed continuous transport system.