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深红银矿

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Based on a systematic study of a considerable number of polished ore sections as well as ICP-MS and electron microprobe analyses, the authors have found that the main sulfide minerals include galena, iron-poor sphalerite and chalcopyrite, whereas silver minerals are composed chiefly of native silver, pyrargyrite, argentite, polybasite, and argentiferous freibergite.

文章首次对其矿石矿物进行了系统的研究,通过对大量矿石光薄片观察、等离子质谱和电子探针分析,表明具有工业意义的硫化物主要有方铅矿、贫铁闪锌矿、黄铜矿,银矿物主要有自然银、深红银矿、辉银矿、硫锑铜银矿、含银黝铜矿,它们与硫化物共生,多沿方铅矿、贫铁闪锌矿等颗粒间或者裂隙产出。

Silver has two forms in its occurrence:mainly in the form of silver-bear iug sulfosalts(pyrargyrite,freibergite and Ag,Zn-bearing tetrahedrite and others) discovered for the first time;secondary,in the form of impurities scattered in the memllic sulfides.

银主要以首次发现的含银硫盐矿物(深红银矿、银黝铜矿和含银锌黝铜矿等)产出,其次是杂质元素分散在金属硫化物中,银的含量按方铅矿、黄铜矿、闪锌矿、黄铁矿的顺序依次降低。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。