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

讨论用二氯烷替代一氟三氯烷进行软质聚氨酯泡沫塑料的生产。

Antioxidative effect of carotenoids on the methylene blue sensitized photoxidation of soybean oil and rapeseed oil was investigated.

采用基蓝光敏剂，类胡萝卜素在豆油、菜油中的抗油脂光敏氧化用。

Carbasugars,carbocyclic analogues of true sugars,are compounds in which the ring-oxygen of furanoid or pyranoid sugars is replaced by methylene group.

碳环糖是一类呋喃或吡喃糖环中的氧原子基取代后形成的糖类似物。

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,选用乙酰氯酰化剂、二氯烷酰化溶剂,测定含环氧基聚酯的羟值。

The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water.

在新颁国标中，采用基蓝光度法测定水和废水中硫化物时，要求用去离子除氧水做为实验用水。

Methods Three handred and sixty-one patients with acut chlorphenamidine poisoning cases were gastric lavage completely and treated with proper amount of methylene blue and large dose of VitC.

方法361例患者给予彻底洗胃，适量蓝及大剂量维生素C治疗，支持及对症处理。