1·PET is made from two feedstocks, one of them an organic acid, the other ethylene glycol, which is relatively inexpensive.
PET由两种原料制成,一种是有机酸,另一种是相对便宜的乙二醇。
2·This article summarized the design and manufacture of ethylene glycol vessel.
本文就乙二醇贮罐设计及制造加以总结概述。
3·But it was really ethylene glycol, a low-cost substitute commonly used in automobile antifreeze.
但是它的确有乙二醇,一种普遍用于汽车防冻液的廉价的代替品。
4·An unsaturated polyester resin was synthesized from dicyclopentadiene, maleic acid and ethylene glycol. This resin can be moulded by casting and also can be hardened in air.
用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。
5·Amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.
以苯甲醛和正庚醛为原料,乙二醇为溶剂,在氢氧化钾催化作用下羟醛缩合合成甲位戊基桂醛。