Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans.
而通常这个过程,有些工艺会使
二氯
烷(
作萃取剂)或乙酸乙酯(
作
剂)等。
Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans.
而通常这个过程,有些工艺会使
二氯
烷(
作萃取剂)或乙酸乙酯(
作
剂)等。
Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.
二茂铁
苯
醇与三氟化硼-乙

在二氯
烷中作
,形成二茂铁苯


正离子。
This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了
二氯
烷替代一氟三氯
烷进行软质聚氨酯泡沫塑料的生产。
The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
通过对其酰化原理分析,选
乙酰氯作酰化剂、二氯
烷作酰化
剂,测定含环氧
聚酯的羟值。
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