A capillary gas chromatographic method with an electron capture dector (ECD) for the detection of polychlorinated biphenyls (PCBs) in seawater was developed.
摘要建立
管柱气相色谱法测定海水中的多氯联苯的方法。
A capillary gas chromatographic method with an electron capture dector (ECD) for the detection of polychlorinated biphenyls (PCBs) in seawater was developed.
摘要建立管柱气相色谱法测定海水中的多氯联苯的方法。
Organohalogen compounds, or OHCs, include dioxins, polychlorinated biphenyls and some pesticides.
有机卤化物，或称OHC，包含戴奥辛、多氯联苯及
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.
本文报道一类新的联苯类棒状液晶化
物和两类苯并菲盘状液晶化物的
。
Condenser oil not of mineral oil origin, (containing polychlorinated biphenyls, polychlorinated naphthalene, chloronaphthalene, polychlorinated terphenyls or hexachloro benzene, perchlorobenzene
属矿物油之电容器油，（含多氯联苯、多氯?、多氯联三苯或六氯（代）苯）
Electrotechnical products - Determination of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers
机电产品---六种受控物质（铅、水银、镉、六价铬、多溴联苯、多溴联苯醚）水平的测定
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