本标准规定了铜矿石、铅矿石、锌矿石中钨含量的测定方法。
Methods for chemical analysis of copper ores lead ores and zinc ores.
所处理矿石为半氧化铅矿石，矿石中铅以方铅矿和白铅矿形式产出，铅的氧化物主要为白铅矿，分布率达39%。
The ore is lead mine of partial oxidation, the lead ore consists chiefly of galena and cerusite. 39% of cerusite is the most oxid in lead ore.
矿石由辉银矿、方铅矿、闪锌矿、黄铜矿、石英和黄铁矿等40余种矿物组成；
The ores consist of more than 40 kinds of minerals, such as argentite, galena, sphalerite, chalcopyrite, quartz and pyrite.
他们所使用的化妆品都是磨碎的矿石，如孔雀石、方铅矿均能制成一种称为眼影粉的东西。
These cosmetics were made by grinding ores like malachite and galena into a substance called kohl.
赤铅矿是一种由铬酸铅组成的矿石，以单斜晶体形式存在的结晶体。并且是自然界中发现的唯一一种重要铬酸盐。
Crocoite is a mineral consisting of lead chromate and crystallizing in a monoclinic crystal system, and it is the only chromate of any importance found in nature.
矿石中银与铜呈明显正相关关系，而方铅矿中不含银。
Silver is positively correlated with copper in ores and is absent in galena.
黄铁矿、闪锌矿及方铅矿为矿石中的主要金属矿物。
Major metal minerals in ore are pyrite, sphalerite and galena.
矿石矿物成份主要为闪锌矿，次为方铅矿。
The main mineral composition of the ore is zinc blende and lead glance.
本文报导从氧化铅锌矿石中浮选硫化铅矿物的新捕收剂PN及相应的抑制剂BD_1。
The new PN collector and BD_1 depressant for floating lead sulphide mineral from lead and zinc oxide ore are introduced in this paper.
矿石中主要金属矿物为黄铜矿、其次为黝铜矿、兰辉铜矿、斑铜矿及铜的氧化物孔雀石、蓝铜矿。闪锌矿、方铅矿少量，偶见淡红银矿、硫酸钮矿。
The main metals mineral are chalcopyrite , the next clinohedrite , alpha chalcocite bornite , malachite and azurite . a little amount blende , galena incidentally ryby silver , bismuth.
矿石矿物为黄铁矿、磁黄铁矿、黄铜矿、方铅矿。
The sulfide minerals is mainly pyrite, and some of pyrrhotite, chalcopyrite and galena.
矿石矿物为黄铁矿、磁黄铁矿、黄铜矿、方铅矿。
The sulfide minerals is mainly pyrite, and some of pyrrhotite, chalcopyrite and galena.
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