介绍利用废金刚石中的钴生产七水硫酸钴的方法.The recovery technique of cobalt in waste diamond cutter is introduced.研究了氧气对除钴的影响,并试图采用亚硫酸钠来消除氧气的影响.The effect of the sodium sulfite concentration on cobalt removal was investigated.废旧锂离子电池中钴的含量较高....
这会助长欺诈歪风.This will put a premium on fraud.对这种歪风忍气吞声,只会鼓励更多的歪风.To take such abuse lying down would only encourage more of it.不是一阵歪风就能吹倒天山, 不是一场冰雹就能毁掉草原!An evil wind cannot blow down the Tianshan Mountains, and a hailstorm...
Some cases of arthritis respond to a gluten-free diet.无麸质饮食对一些关节炎患者有疗效。Gluten develops elasticity in a dough.麸质使生面团有韧劲。recipes for people who are gluten intolerant谷蛋白过敏人士的食谱...