矿

• Not until 1916 did the umw finally win recognition from the anthracite operators .
  直到1916年，美国矿工联合会才终于得到无烟煤矿资方承认。
• The method could well prove effective in defining broad areas of uranium favourability .
  该法在圈定大面积的铀成矿有利区方面可能是有效的。
• The establishment of uranium supplies for the future must depend to an increasing extent .
  为了满足今后对铀矿资源的需求，必须扩大普查规模。
• The seismic methods, reflection and refraction, are currently used in mining exploration .
  地震法包括反射波法和折射波法，常用于金属矿勘探。
• The hydrocarbon content of this phosphate ore provides most of the heat needed for the calcination .
  这磷矿所含烃量能提供锻烧所需的大部分热量。
• Several methods have been used with success in defining structural controls and other features .
  某些方法都成功地用于圈地控矿构造和其它地质形态。