Organohalogen compounds, or OHCs, include dioxins, polychlorinated biphenyls and some pesticides.
有

物,或称OHC,包含戴奥辛、多氯联
及数种杀虫剂。
]联
;联二
]多氯联
(等于polychlorobiphenyl)Organohalogen compounds, or OHCs, include dioxins, polychlorinated biphenyls and some pesticides.
有

物,或称OHC,包含戴奥辛、多氯联
及数种杀虫剂。
In this thesis, a type of biphenyl rod-like liquid crystals and two types of triphenylene discotic liquid crystals were synthesized.
本
报道了一
新的联
棒状液晶
合物和两

菲盘状液晶
合物的合成。
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