Eastern Europe is rapidly becoming a dumping-ground for radioactive residues.东欧迅速成为放射性残渣的倾倒场。pesticide residues in fruit and vegetables残留在水果和蔬菜中的杀虫剂All organic and metallic residues on the wafers must be removed.片子上所有的有机...
All organic and metallic residues on the wafers must be removed.片子上所有的有机和金属残留物均必须清除.Both the R groups are alkoxy residues.两个R基团都是烷氧基.For determining potency and residues by microbiological assay technique . Especially fo...