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polychlorinated biphenyl是什么意思？

polychlorinated biphenyl

相关单词 polychlorinated biphenyls polychlorinated biphenyls PCBs polychlorinated biphenyl

例句

Mercury, polychlorinated biphenyls ( PCBs ) and chlordane are among the major contaminants found in Illinois fish. 水银, 多氯联苯和氯丹是在伊利诺依州的鱼类中发现的主要污染物.
The impacts of multiple operative parameters on the sony - degradation of polychlorinated biphenyls and bromobenzene were investigated. 考察了多种操作参数对多氯联苯、溴苯超声波降解的影响.
Methods A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound. 方法:以联苯为原料,在超声催化作用下合成新药联苯乙酸.
Then they can be further recrystallized to biphenyl with a purity of over 99.9 %. 进一步用溶剂结晶法去除了联苯中的杂质,获得99.9%以上联苯.

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