ethylenediamine and benzylamine are insufficient soluble at, e.g., －40°f. 乙二胺和苯甲胺，如在40F是不完全溶解的。
ethylenediamine and benzylamine are insufficiently soluble at, e. g., －40°f. 乙二胺和苯甲胺，如在40F是不完全溶解的。
The spectrum indicates that a polyethylene-like species has migrated to the surface of the elastomer . 该光谱表明，聚乙稀类物已经迁移到人造橡胶的表面。
The results of the tests indicated that latex and polyurethane foam mattresses burned fastest . 试验结果表明，天然乳胶和聚氨基甲酸乙酯泡沫床垫燃烧得最快。
The classes were streamed into "a" and "b" divisions and scholarship entrants usually went into the "a" class . 学校分甲班和乙班。领取奖学金的学生一般到甲班。
R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo . R”是取化基，如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration . 在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大。
These effects can be overcome by addition of vitamin e and an effective antioxidant, such as ethoxyquin . 这些作用可用加入维生素E和有效的抗氧剂，如乙氧喹啉，来加以克服。
It is advisable to fit all the ground glass joints with polytetrafluroethylene sleeves to prevent their sticking together . 最好把所有的磨光玻璃接头都装上聚四氟乙稀套管，以防止它们粘在一起。
Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component . 乙醚、乙二肟、二乙二肟、硝基甲烷或类似的适当的极性溶剂，可用作溶剂。
