锡矿石

After analysis of hydrocarbon to different kinds of ore, rock and inclusion, it is discovered that organic materials had been more or less participated in the mineralization process of Au, Ag, Sn, Pb, Zn, Cu, Sb deposits (include some mid-high temperature deuteric hydrothermal deposits). At the same time, higher content of hydrocarbon has been well preserved to present, even more than tens thousands uμl/kg.

首次系统地对各类矿石、岩石、矿物气液包裹体等进行了烃类组分分析，结果发现，各种金、银、锡、铅、锌、铜、锑等金属矿床(包括岩浆期后中高温热液矿床)的成矿过程均不同程度地存在有机物的参与，至今仍存在很高的烃气含量，甚至高达几万μl/kg。

Some coarse gold tin chute chute and sand followed are still used. The mid-19th century, experienced a mechanical transmission belt chute chute and round, becoming one of the major fine-grained non-ferrous metals ore sorting equipment.

有些粗粒砂金溜槽和砂锡溜槽沿袭至今仍有使用。19世纪中叶出现了机械传动的带式溜槽和圆形溜槽，成为当时细粒有色金属矿石的主要选别设备。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。