Management tactics range from using bone charcoal to soak up the carcinogen and then dispose of it as toxic waste to chemically transforming hexavalent chromium to a more benign form.

管理方法多样，简单的从使用骨炭吸收致癌物，然后把骨碳当作有毒废物扔掉，到高级的使用化学方法把六价铬转化成更良性的结构。

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They also found ochre, bone, charcoal, grindstones and hammer stones.

他们还发现了赭石、骨头、木炭、研磨石和石锤。

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We adopted firstly the dextran coated charcoal(DCC) and SP methods to detect estrogen receptor(ER) expression of bone tissue in ovariectomized(OVX) rats.

我们首次采用现代放免分析技术和免疫组织化学方法，对去势大鼠骨组织中ER的表达进行了定量和定位研究。

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