Conclusion The retention strength of domestic carbon fiber is greater than that of chrome-nickel posts and can meet clinical requirements.

结论国产碳纤维桩的固位力大于临床常用铸造金属桩，能够满足临床要求。

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Ehrlich lost when copper, chrome, nickel, tin and tungsten dropped in price.

最终Ehrlich输了，铜，铬，镍，锡和钨的价格下跃。

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There are also rich chrome ore, nickel ore and gold mines.

此外还有较丰富的铬矿、镍矿和黄金矿。

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Patrice Motsepe is the Chairman of African Rainbow Minerals (ARM), a publicly-traded mining conglomerate which has interests in platinum, nickel, chrome, iron, manganese, coal, copper and gold.

FORBES: The African Billionaires 2013

His publicly-traded company, African Rainbow Minerals (ARM) has interests in platinum, nickel, chrome, iron, manganese, coal, copper and gold.

FORBES: South African Billionaire Patrice Motsepe Joins Giving Pledge