利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化.Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.探讨职业性接触氯丹、含砷化合物灭蚁药物对作业人员肝功能水平的影响.To explore the level of liver function damage in...
一只鸟被网罩住了,挣扎着想要逃脱.A bird was caught in the net was struggling to get free.有带玻璃式 、 带网罩式等结构,知足各样场次的不一样需求.Multiple structures such as glass type, mesh enclosure type, etc.由于剃须刀构造精细复杂, 使用时如不谨慎小心,会造成外部网罩的损害.For its structure a...
春天大自然从长长的冬眠中苏醒过来.In spring nature wakes from her long winter sleep.乌龟在冬眠中度过寒冬季节.The tortoise spends the winter months in hibernation.熊常在山洞里冬眠.Bears often hibernate in caves....
...the thirtieth anniversary of her death...她逝世 30 周年的纪念日For my thirtieth birthday, my friends clubbed together and bought me a watch.为庆祝我30岁生日，朋友们凑钱给我买了块表。The present crop of books and documentaries about Marilyn Monroe...