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汉语拼音：hēi wū kuàng

1.矿物，黑褐色﹐成分为钨﹑锰﹑铁‖钨量在50%以上，是提取钨的主要矿石。

1. 矿物，黑褐色，成分为钨、锰、铁。含钨量在50％以上，是提取钨的主要矿石。

• Portugal Panasqueira wolframite deposit consists of very thin, gently dipping veins which are very hard to mine efficiently.

  葡萄牙帕纳什凯拉黑钨矿为微倾斜极薄矿脉，开采难度大。

• The process provides an effective way of dressing for fine-grained wolframites.

  该工艺为细粒黑钨矿的选矿提供了有效途径。

• However, the Xintianling granite contains magmatic scheelite and wolframite.

  后者则以出现岩浆白钨矿和黑钨矿为特征。

• As a China's most important tungsten producing area, its quartz vine-type tungsten deposit is a typical tungsten deposit.

  赣南是中国最重要的钨矿产地，石英脉型黑钨矿是中国最重要的钨矿床类型。

• We shall visit the spoil heaps of the old Needle Hill mines, where we can find wolframite, molybdenite and pyrite.

  我们将会到旧针山矿的废矿场考察，矿产有黑钨矿，辉钼矿和黄铁矿。

• Thermodynamics Analysis on Caustic Sodium Decomposition of Wolframite

  苛性钠分解黑钨矿的热力学分析

• Comprehensive utilization of base decomposition cake of wolframite

  黑钨矿碱分解渣综合利用

• Oxygen diffusion kinetics in wolframite

  黑钨矿的氧扩散动力学

• Improvement on the Mining System in Panasqueira Wolframite Mine, Protugal

  葡萄牙帕纳什凯拉黑钨矿采矿系统的改进