美国环保署刚刚完成的一系列测试显示与原油混合的化学分散剂的毒性对墨西哥湾海洋生物而言，并不比原油本身来得高；以此反驳了一些批评的声音。
The EPA has just finished a batch of tests showing that dispersants mixed with oil are no more toxic to Marine life in the Gulf than oil on its own - contradicting the claims of some critics.
以丙烯酸、氢氧化钠等为原料，以无机磷酸盐为链转移剂合成了系列低分子质量聚丙烯酸钠分散剂。
A series of low molecular weight polyacrylic acid sodium solutions was synthesized by using inorganic phosphate as chain transfer agent on the basis of acrylic acid, sodium hydroxide and so on.
采用不同体系分散剂、不同调粒剂用量合成了系列聚氯乙烯掺混树脂。
A series of Polyvinyl Chloride (PVC) blending resin were synthesized with different dispersion, additive content.
采用不同体系分散剂、不同调粒剂用量合成了系列聚氯乙烯掺混树脂。
A series of Polyvinyl Chloride (PVC) blending resin were synthesized with different dispersion, additive content.
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