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进行软质聚氨酯泡沫塑料的生产。

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

而通常程，有些工艺使二氯甲（萃取剂）或乙酸乙酯（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-乙醚溶液在二氯甲中,形成二茂铁苯基甲基碳正离子。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通对其酰化原理分析,选乙酰氯酰化剂、二氯甲酰化溶剂,测定含环氧基聚酯的羟值。