二氯甲烷

This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.

讨论了用烷替代一氟三烷进行软质聚氨泡沫塑料的生产。

Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans.

而通常这个过程，有些工艺会使用烷（用作萃取剂）或乙酸乙（用作溶剂）等。

Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

茂铁基苯基醇与三氟化硼-乙醚溶液在烷中作用,形成茂铁苯基基碳正离子。

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,选用乙酰作酰化剂、烷作酰化溶剂,测定含环氧基聚的羟值。