方铅矿

The gold ores have mineral association of pyrite, tetrahedrite, chalcopyrite, galena, sphalerite and Au-Ag mineral series, and element association of Au-Cu-Ag-Pb-As-Sb-Bi, which show certain vertical zonal regularity.

矿石矿物组合为黄铁矿、黝铜矿、黄铜矿、方铅矿、闪锌矿和Au-Ag系列矿物，具Au-Cu-Ag-Pb-As-Sb-Bi的元素组合，并显示一定的垂直分带规律。其成因类型为地下热卤水型。

The order of fracturing energy and mass-related work is: Beryl＞Quartz＞Fluorite＞Diaspore＞Galena＞Sphalerite＞ Wolframite.

七种矿物的断裂能和比功耗大小顺序为：绿柱石＞石英＞萤石＞硬水铝石＞方铅矿＞闪锌矿＞黑钨矿。

From mineral associations ofnative gold -calaverite, ga1ena -altaite in conunon, and native silver-hessite at the endof the sulfides quartz stage, it is concluded that Te, fugacity is in "unstheated statefor native Te" and will decline with the temperature of metallogeulc fluids decreased.

自然金-跨金矿、碲铅矿-方铅矿与晚阶段碲银矿-自然银共生组合分析表明，本区碲逸度处于&自然碲的不饱和&状态，并随成矿温度降低而减小。

Six kinds of minerals, such as pyrites, arsenopyrite, sphalerite, galena and cassiterite from various metallogenic stages, ore blocks and ore type s were analyzed by EMPA.

文章总结和划分了矿床的矿石类型、矿化阶段及其在空间上的分布；对不同阶段、不同地段和不同类型的黄铁矿类、毒砂、黄铜矿、闪锌矿、方铅矿和锡石等 6种主要矿石矿物进行了电子探针微区分析。

The ore structural fabric mainly behaves in form of filling action with minerals such as pyrite, chalcopyrite, salenite, blende and electrum, which typomorphic feature shows a hypothermal pattern of metallogeny.

矿区内矿体规模巨大，矿石组构主要为以充填交代作用为主，矿石矿物主要为黄铁矿、黄铜矿、闪锌矿、方铅矿和银金矿。而且矿物的标型特征显示了低温成矿的特点。

The chemical composition of pyrite, galena and sphalerite clearly shows that there are dual features of synsedimentary deposits and subma rine exhalation-sedimentary deposits in the ore formation in this area.

黄铁矿、闪锌矿和方铅矿的化学成分标型研究清楚地表明，本区矿石的形成具有同生沉积矿床和海底喷气一沉积矿床的双重特征。

Studies also indicate that galena and Sphalerite intungsten-tin deposits related to Yanshanian subalkaline granite differ obvi-ously from these minerals in lead-zinc deposits associated with Yanshanianintermediate-acid granitoids in contents and ratios of minor elements.

研究还表明，与燕山期偏碱性花岗岩有关的锡钨矿床和与燕山期中酸性花岗岩类有关的铅锌矿床其方铅矿、闪锌矿的微量元素含量及比值存在明显的差别。

The settling velocities of galena,titanomagnetite and pyrite in the froth layers are determined,and the effects of the particle size and the surface hydrophobicity on the settling velocity in the froth layers are investigated.

试验测定方铅矿、钛磁铁矿、黄铁矿颗粒在泡沫层中的沉降速度，分析研究粒度及表面疏水性对颗粒在泡沫层中沉降速度的影响。

In gold ores, Te presents as tellurides of Au, Ag, Pb inassociation with native gold, occurring in surfaces or/and fissures of galena, pyriteand quartz minerals. Therefore, Te and the "refractory gold" are worth being extractedfrom these abundant tellurides.

碲在矿石内主要以AU、Ag、Pb 碲化物与含Ag自然金共生，它们在局部的矿物量相近，并分布于方铅矿、黄铁矿、石英表面和裂隙，其中的&难溶金&与碲本身都具有回收价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。