copper-凯发k8官网

  • 15-08-07 a civilian named shentu dun in luoyang obtained an unearthed tripod of the han dynasty from shenchuan, chang'an. on the tripod, the crisscross designs of clouds and ancient hornless dragons were bright and clear. lu sheng, his neighbour on the west,...

  • 15-05-12 climate helps drive the erosion process that exposes economically valuable copper deposits and shapes the pattern of their global distribution, according to a new study from researchers at the university of idaho and the university of michigan. near...

  • 13-10-23 scientists used the powerful x-ray laser at the u.s. department of energy's slac national accelerator laboratory to create movies detailing trillionths-of-a-second changes in the arrangement of copper atoms after an extreme shock. movies like these...

  • 13-08-20 a lifetime of too much copper in our diets may be contributing to alzheimer's disease, us scientists say. 一生的饮食中摄入过多铜元素可能引发阿尔茨海默症。 however, research is divided, with other studies suggesting copper may actually protect the br...

  • 13-07-05 new research shows that existing copper resources can sustain increasing world-wide demand for at least a century, meaning social and environmental concerns could be the most important restrictions on future copper production. researchers from monas...

  • 12-07-09 humans have known for centuries that copper is a potent weapon against infection. new research shows that the bacteria that cause serious urinary tract infections know this, too, and steal copper to prevent the metal from being used against them. bl...

  • 智利矿工举行罢工

    11-07-12 miners from chile's state-owned company, codelco, have gone on strike for the first time in nearly 20 years. 智利国家铜业公司的矿工近20年以来首次举行罢工。 they are angry at restructuring plans by the government of president sebastian pinera, saying...

  • 11-06-03 as the world health organisation suggests the e. coli outbreak in germany is a strain never before seen in an outbreak o104:h4 laboratory science conducted at the university of southampton indicates a role for copper in preventing the spread of such...

  • 09-11-27 the copper sequestering(隔绝,隔离) drug tetrathiomolybdate(钼酸盐) (tm) has been shown in studies to be effective in the treatment of wilson disease, a disease caused by an overload of copper, and certain metastatic cancers(性肿瘤). that much...

  • 土壤中的铜锌微粒可使作物增加毒性

    09-11-11 madison, wi, november 9, 2009 -- agricultural soils accumulate(积聚,堆积) trace metals(微量重金属), particularly copper and zinc(锌), as a result of their presence in wastes ( sewage脏水,污水 biosolids生物固体 and m anures肥料 ) and fungicid...

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