ethanediol

常见例句

• Catalytic synthesis of ketal by urushiol-formaldehyde neodymium polymer from cyclohexanone and ethanediol was studied.
  以环己酮和乙二醇为原料,漆酚缩甲醛钕聚合物为催化剂合成了环己酮乙二醇缩酮。
• The promotion action of ionic liquid as an accelerant in synthesizing benzaldehyde ethanediol acetal and benzaldehyde propanediol acetal was studied.
  摘要以离子液体为促进剂，强酸性聚苯乙烯732催化了苯甲醛与两种二元醉的缩醛反应。
• Fructone-A and Fructone-B was synthesized from ethyl acetoacetate and ethanediol or 1,2-propanediol using ammonium ceric sulfate as catalyst.
  以硫酸高铈铵为催化剂,通过乙酰乙酸乙酯分别与乙二醇和1,2-丙二醇反应合成了苹果酯-A和苹果酯-B,研究了催化剂等有关因素对产品收率的影响。
• Effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied.
  讨论了乙二醇用量、硝酸银用量、酸性镀铜液(底液)用量、硝酸用量、时间及试剂加入顺序对共振光散射强度的影响。
• The effects of different conditions on quinoline's purity were investigated by changing the quality ratio of fraction to ethanediol and reflux ratio in the azeotropic distillation experiments.
  在共沸精馏中，通过改变馏分与共沸剂的质量比和回流比，考察了不同条件对喹啉纯度的影响。
• Fit, the fractions in different temperature ranges were ingathered by rectifying wash oil;azeotropic distillation were done with the different fractions and ethanediol respectively.
  首先精馏洗油，切取不同温度段的馏分，然后分别与共沸剂乙二醇进行共沸精馏试验；
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