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1·The mineral galena is composed of lead sulfide.

方铅矿这种矿物就是由铅硫化物组成的。

2·The town of Galena, Alaska, (pop. 600) has just 178 students.

阿拉斯加州的加利纳镇（人口600）只有178名学生。

3·Major metal minerals in ore are pyrite, sphalerite and galena.

黄铁矿、闪锌矿及方铅矿为矿石中的主要金属矿物。

4·Lead is rarely found free in nature; its major ore is the sulfide galena.

铅在自然界中很少呈游离态，主要存在硫化物和方铅矿中。

5·Silver is positively correlated with copper in ores and is absent in galena.

矿石中银与铜呈明显正相关关系，而方铅矿中不含银。

6·The results show that sodium fulvic acid is an effective depressant for galena.

研究表明，黄腐酸钠是方铅矿的有效选择性抑制剂。

7·In addition to cassiterite and stannite, galena also contains a high amount of tin.

除锡石和黄锡矿外，方铅矿也含有较高的锡。

8·One is a compound, the other an element, yet both galena and native lead are minerals.

方铅矿和自然铅，虽然一种是由化合物构成，另一种是由单元素构成，但它们二者都是矿物。

9·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。

10·Pyrite, galena, sphalerite, native gold, electrum and joseite are the main ore minerals.

主要金属矿物是，黄铁矿、方铅矿、闪锌矿、自然金、银金矿、硫蹄铋矿。

方铅矿

1·The result showed that galena surface state interacted with adsorbates not only in overlap of orbitals, but in electron transfer between them.

结果表明：方铅矿表面态在与外来吸附质相互作用时，不仅有轨道重迭而且发生电子转移。

2·The ores consist of more than 40 kinds of minerals, such as argentite, galena, sphalerite, chalcopyrite, quartz and pyrite.

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；

3·The surface oxidation of galena and the micro-process of electron transfer involved in the oxidation have been stu died through voltammetry and quantum chemical calculation.

伏安曲线和量子化学计算分别用来研究方铅矿表面的阳极氧化和氧化过程中电子转移的微观机制。

4·The effective potential range of self-induced flotation of galena and its lower and upper limits have been determined.

给出了方铅矿自诱导浮选电位区域和电位上下限，热力学计算表明了其意义。

5·Test results show that galena, pyrite and chalcopyrite can be depressed well by TGA, but sphalerite and arsenopyrite can not be depressed.

试验表明巯基乙酸对黄铁矿、方铅矿和黄铜矿有抑制作用，对毒砂和闪锌矿没有抑制作用。