色氨酸合成酶的酶的活性增强,加入多羟基化合物。
The enzymatic activity of tryptophan synthase was enhanced by adding polyhydroxy compounds.
双甘油是两分子甘油由一个醚键联接构成的多羟基化合物。
Diglycerin is a polyol consisting of two molecules of glycerol bonded by an ether linkage.
用多羟基化合物作成胶剂与交联剂BF配制了选择性堵水剂。
A selective plugging agent was prepared from polyhydroxy - compound as gelling material and cross -linking agent BF.
它是由有机二异氰酸酯或多异氰酸酯与二羟基或多羟基化合物加聚而成。
It is made of organic diisocyanate or polyisocyanate with two hydroxyl groups or polyhydroxy compounds together with.
在硫酸的催化作用下,竹废料在由聚醚多元醇和粗甘油组成的混合液化剂中可被液化成多羟基化合物。
The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.
多羟基聚合物防塌剂CXC-1是以环氧化物及多羟基化合物共聚而成的聚合物防塌剂,为淡黄色黏稠液体。
Multi-hydroxyl polymer, CXC-1, as an anti-sloughing agent for water base drilling fluids, is a yellowish liquid and is prepared by polymerization of alkylene oxides and polyhydroxylated compounds.
介绍了一种利用阳离子化改性多羟基化合物进行堵水调剖的方法,具有一定的选择性,在油田应用取得了良好效果。
A modified cationic polyhydroxy compound gelling fluid as water shutoff is developed. This type of gel has better selectivity. Its field tests are described and the results are satisfactory.
碳水化合物碳水化合物通常的定义是多羟基的醛和酮或者水解产生多羟基的醛和酮的物质。
Carbohydrates carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.
从云南烤烟中提取分离得到了一个多羟基吡嗪化合物1,采用IR、MS和NMR进行了鉴定。
The compound 1, polyhydroxyyrazine, was extracted from Yunnan flue-cured tobacco and identified by IR, MS and NMR.
从云南烤烟中提取分离得到了一个多羟基吡嗪化合物1,采用IR、MS和NMR进行了鉴定。
The compound 1, polyhydroxyyrazine, was extracted from Yunnan flue-cured tobacco and identified by IR, MS and NMR.
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