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
二氯甲
(
作萃取剂)或
酸
(
作溶剂)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
二氯甲
(
作萃取剂)或
酸
(
作溶剂)等。
Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.
二茂铁基苯基甲醇与三氟化硼-
醚溶液在二氯甲
中作
,形成二茂铁苯基甲基碳正离子。
This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了
二氯甲
替代一氟三氯甲

软质聚氨
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
酰氯作酰化剂、二氯甲
作酰化溶剂,测定含环氧基聚
的羟值。
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