但这种屏蔽效应所造成的差异是非常小的，难以精确的测出其绝对值，因此需要一个参照物（reference compound）来做对比，常用四甲基硅烷(CH3)4Si（数字下标）（tetramethylsilane，简写为TMS）作为标准物质，并人为将其吸收峰出现的位置定为...
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reference compound standard gas 参考化合物标准气体
non-reference compound gas 非参考化合物气体
compound coordinate reference system 复合坐标参照系
Compound Document by Reference 基于引用的复合文档
compound reference frame 复合参照系
compound reference service 复合型参考咨询
The test system with different test conditions were evaluated respectively by the recommended reference compound 3,5-dichlorophenol.
以呼吸抑制剂3，5-二氯苯酚为受试物，对试验过程中不同条件进行比较研究。
TCDD, the most toxic member of the family, is used as reference compound, and all other dioxins are assigned a toxic potency relative to TCDD, based on experimental studies.
TCDD在这个家族中毒性最强，被用作参照物，所有其它二恶英均根据实验研究确定相对于TCDD的毒性。
Language standardization should adopt the compound reference frame which includes double references: geographical dialects and social dialects.
语言规范应当采用地域方言和社会方言的双重参照，从而形成复合参照系。
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