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

讨论了用二氯甲烷替代一氟三氯甲烷进行软质聚氨酯泡沫塑料的。

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

通常这个过程，有些工艺使用二氯甲烷（用作萃取）酸酯（用作溶）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-醚溶液在二氯甲烷中作用,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.

通过对其酰化原理分析,选用酰氯作酰化、二氯甲烷作酰化溶,测定含环氧基聚酯的羟值。