Zn is a necessary element for biology.
锌是生物的必需元素之一。
Propineb is a protective fungicide and rich in free Zn.
丙森锌是一种保护性的杀菌剂，富含作物可利用的锌。
Trace element Zn is very important for the children's growth.
微量元素锌在儿童生长发育过程中有极其重要的意义。
The experimental results show that the recovery of Zn can reach 88.8%.
试验结果表明，采用该工艺锌的回收率在88.8%以上。
Current value is calculated with formula when the mass of Zn coat is minimum.
通过公式计算出最小镀锌量时的电流值。
Separation of Cu, Zn and sulphur has been a difficult problem for a long time.
铜锌硫多金属矿石分离历来是选矿界的难题。
Many Pb-Zn-Ag deposits are found in the middle north margin of North China Block.
河北丰宁营房铅锌银矿床产于一近南北向的中型韧性剪切带中。
Many Pb-Zn-Ag deposits are found in the middle north margin of North China Block.
河北丰宁营房铅锌银矿床产于一近南北向的中型韧性剪切带中。
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