铅矿砂及其精矿。
In fact most of the silver was recovered from lead ores.
事实上大部分的银是从铅矿中回收的。
Methods for chemical analysis of copper ores lead ores and zinc ores.
本标准规定了铜矿石、铅矿石、锌矿石中钨含量的测定方法。
It is effective way to use beneficiation - metallurgy process that istabling - tailings leaching to treat high oxidation lead ores.
论述了采用摇床重选一重选尾矿浸出的选冶联合工艺是处理某高氧化率铅矿的有效方法；
Hadn't twined ores of silver and lead been found?
不是发现过银和铅的混生矿吗？
Lead isotope research shows that lead in ores of Mujiazhuang copper deposit and near ore country rocks is characterized by being rich in radioactive lead.
铅同位素结果研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有富含放射性成因铅的特点。
Oxidation zone developed in Qiandongshan Lead Zinc deposit. The oxidation ratio is proposed to define the oxidation feature of ores.
铅硐山铅锌矿床氧化带较发育，提出用氧化率来标定矿石的氧化作用特征。
The first sample is one deeply oxidized lead and zinc ores from Yunnan province.
本文采用的第一份矿样为云南建水某深度氧化铅锌矿。
X-ray fluorescence spectrometry was applied to analysis of reference copper, lead, zinc, tungsten and molybdenum ores.
报告了X射线荧光光谱法在铜矿、铅矿、锌矿、钨矿和钼矿标准物质定值分析中的应用。
The study on new flotation reagents for lead and zinc oxide ores is concerned to the development of a large amount of complicated lead and zinc oxide ores resources.
氧化铅锌矿石浮选新药剂的研究关系到大量复杂的氧化铅锌矿资源的开发利用。
Through finding out the state and peculiarity and disciplinarian of lead distributed in Jinduicheng molybdenum ores, the academic basis of low-lead molybdenum concentrate produced was put forward.
通过查明金堆城钼矿床中铅的赋存状态、嵌布特征及在矿床中的分布规律等，为生产低铅钼精矿提共理论依据。
For reasons that lead concentrate contains many kinds of metal ores, it is difficult to evaluate its quality grade.
由于铅精矿中含有多种金属矿，给铅精矿质量等级的评价带来很大困难。
Based on the research of isotope ratios of lead, sulfur, oxygen and carbon in the ores and rocks of this area, it is held that Qinglongcun Group serve as the source bed of gold.
通过对矿区矿石、岩石中铅、硫、氧同位素组成研究，查明青龙村群为金的矿源层。
The study result is important evidence for collating and stipulating the characteristic of multi-period and multi-phase about petrogenesis – mineralization of Huangshaping lead-zinc ores.
测定结果为开展黄沙坪铅锌多金属矿成岩成矿作用具有多期多阶段性特点的厘定提供了重要的依据。
The properties of zinc, lead and copper bearing polymetallic are complicated. The difference of the ore's purity is large. And there are carbon gangues in the ores.
某铜铅锌多金属矿石其矿石性质较为复杂，原矿品位差距较大，且含有碳质脉石。
The properties of zinc, lead and copper bearing polymetallic are complicated. The difference of the ore's purity is large. And there are carbon gangues in the ores.
某铜铅锌多金属矿石其矿石性质较为复杂，原矿品位差距较大，且含有碳质脉石。
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