螯合剂可以用来从土壤或水中清除有毒的金属离子。
Chelating agents can be used to remove toxic metal ions from soil or water.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物，还具有脱色、脱磷、除臭等作用。
The modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
介绍了新一代电化学水处理设备治理有毒重金属离子与有机污染物混合废水的工程实例。
The new generation of electrochemical water treatment equipment for treating the mixed wastewater containing toxic heavy metal ions and organic pollutant is introduced.
采用电感耦合等离子体原子发射光谱(ICP - aes)法并结合微波制样技术，测定涂料中有毒重金属元素。
Toxic heavy metals in paints are determined by microwave digestion technology combined with inductively coupled plasma-atomic emission spectrometry (ICP-AES).
水体中有毒重金属离子和有机物对生物体造成极大的危害，其痕量分析颇具研究价值。
Toxic heavy metal ions and some toxic organic compounds in water are great threats for human beings and living organisms, so their trace analyses are very important.
然而，两亲嵌段共聚物的传统的制备方法是有机金属催化剂催化的活性离子聚合法，故产物中难免会残留有毒的有机金属催化剂。
At present, block copolymers containing PCL and PEG chains are mainly prepared by active ionic polymerization using traditional chemical catalysts, some toxic organometallic compounds.
然而，两亲嵌段共聚物的传统的制备方法是有机金属催化剂催化的活性离子聚合法，故产物中难免会残留有毒的有机金属催化剂。
At present, block copolymers containing PCL and PEG chains are mainly prepared by active ionic polymerization using traditional chemical catalysts, some toxic organometallic compounds.
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