methylene

methylene chloride.

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酯泡沫塑料的生产。

chloroform; formaldehyde; methylene chloride; methyl chloride; para ldehyde; formic acid; chloroacetaldehyde.

仿,醛,化次,烷,三聚醛,酸,醛

A large number of structures of benzene methyl and methylene groups but rare aralkyl ether linkage existed in the waste liquor.

两种废液木素中都含有大量的苯环及、亚结构，几乎不存在烷芳醚键结构；

Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde.

利用2-亚哚啉和取代水杨醛缩合得到十三种新的烷苯烯哚啉螺苯并吡喃。

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被亚取代后形成的糖类似物。

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）或酸酯（用作溶剂）等。

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，采用亚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。

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

采用亚蓝作光敏剂，研究了类胡萝卜素在豆油、菜油中的抗油脂光敏氧化作用。

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,选用酰作酰化剂、烷作酰化溶剂,测定含环氧聚酯的羟值。

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，适量亚蓝及大剂量维生素C治疗，支持及对症处理。

Four Polysubstituted Pyrrole N Methylene 1,3,4 Thiadiazoles were synthesized.The structure of related products have been discussed.

合成了一系列取代吡咯-N-亚联1，3，4-噻唑和相关化合物，并对其结构进行了分析和表征