The statement by pingnan county authorities confirms that chromium and chlorine were discharged but doesn 't specify the amount or the type of chromium .
那份官方声明也确认,化工厂确实排放了铬和氯,但是并没有详细说明排放量以及铬的种类。
It normally only absorbs about 7 % of the energy from sunlight , but when doped with chromium this figure increases to more than 67 % .
Chromium can be carcinogenic with frequent exposure , according to the u.s. centers for disease control and prevention .
根据美国疾病控制和预防中心可知频繁接触铬可致癌。
California 's proposed health goal is designed to limit possible cancer risk to just one in a million for those exposed to hexavalent chromium .
加利福尼亚提出的健康目标是要将由可能由六价铬引起癌症风险降低到百万分之一。
They are experimenting with other materials in their redox flow cell , including electrodes made from vanadium and bromide ions , and iron and chromium .
他们在氧化还原流体电池中采用其它材料,包括钒、溴离子,以及铁和铬制成的电极。
A large dose of calcium may block your body from absorbing other important minerals , such as iron , chromium , and manganese .
大剂量的钙可能会阻碍其他重要微量元素的吸收,如钙、铬和锰。
It 's best to get the most nutrients from your diet , but you may supplement your diet with specific vitamins , such as creatine and chromium .
最好从饮食中获取最需要的营养成分,但有时还需专门补充一些维他命,例如肌肉素和铬。
Problems with the furniture items included the excessive levels of formaldehyde and heavy metals ( such as lead , cadmium and chromium ) and mechanical flaws .
家具中所含的问题包括甲醛和重金属(如铅、镉和铬等)含量超标,以及机械缺陷。
Some alloying elements ( such as chromium and tungsten ) make the grain of steel finer , thus increasing the hardness and strength of steel .
有些合金元素(如铬和钨)能细化钢的晶粒,从而增加钢的硬度和强度。
State media reported that the chromium came from scraps of leather from manufacturers -- which contain the chemical as part of the tanning process -- used as a raw material .