additive是什么意思

additive中文什么意思

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We therefore write the formal mechanism in equations(47a), (47b)and(47c)in which ds is a donor additive .
因此，我们把正式的反应历程定成方程式（47a），（47b）和（47c），式中ds是给电子添加剂。
These are the main portland cements, but variations of them are mentioned in the article on concrete additives .
这些就是主要的波特兰水泥，在“混凝土外加剂”课文中还提到了其他品种的波特兰水泥。
It should be noted that additive production of color is despondent upon the individual projection of each primary onto a common screen .
应该指出，颜色的加色成色作用是以将每种基色分别投影到同一屏幕上为基础的。
The reactions are selectively compatible with such diverse slurry additives as alcohols, glycols, glycerol, urea, formamide .
与醇类，二醇类，丙三醇，尿素，甲酰胺各种浆液附加物进行反应时，在相言性方面是有选择性的。
Such esters, or mixtures thereof may also be modified by additives such as nitrobenzene, nitrotoluence, dinitrotoluene or trinitrololuene .
这种酯或其混合物，也可由硝基苯，硝基甲苯，二硝基甲苯或三硝基苯等附加物来改性。