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.
合成了多羟基小分子胺盐改性蒙脱土,并同淀粉进行复合。
The clay modified by amine hydrochlorate of small multi-hydroxyl molecule was synthesized and compounded with starch.
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.
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.
该压裂液体系以低聚合多羟基醇为稠化剂,有机硼为交联剂,合成了一种释酸剂作破胶剂。
In the system, a polyhydroxy alcohol with low molecular mass is used as thickener, organic boron as crosslinker, and a synthesized acid releaser as gel breaker.
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.
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.
由于环糊精外部多羟基的亲水性,使形成的包合物具有良好的可润湿性,从而达到对难溶性药物的增溶效果。
For the exterior hydrophilic surface of CDs, inclusion complexes can have a good wettability, which will improve the water solubility of the poorly soluble drugs.
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.
聚乙烯醇(PVA)是一种性能优良、用途广泛的多羟基聚合物,可从天然气制备,在目前石油资源日渐匮乏的形势下日显重要。
Poly(vinyl alcohol) (PVA) is a multi-hydroxyl polymer, which can be prepared from natural gas, thus becomes more and more important in the situation of petroleum scarcity.
单糖本质上是脂族的多羟基醛和酮,即HOCH2- (CHOH) 2 -CHO和HOCH 2 - (CHOH) n - 1 - C: O - CH 2 OH,分别称为醛糖和酮糖。
The simple sugars monosaccharides0 are basically aliphatic polyhydroxy aldehydes and ketones: HOCH2 - CHOH n-CHO and HOCH2 - CHOOH n-1-C-O-Ch2OH, called "aldoses" and "ketoses," respectively.
紫胶硬树脂由软树脂多聚而成,该聚合过程以树脂的羟基参与反应为特征。
The hard resin was formed by polymerization of the soft resin in the presence of hydroxyl groups.
本文对不同采样点人尿中的1- 羟基芘含量和受试人携带的个体空气采样器中以及所在环境中固定采样器中多环芳烃的浓度进行了测定。
The relation of 1-hydroxypyrene in urine with ambient PAHs was investigated with several groups of volunteers carrying personal air samplers and stationary samplers.
迷迭香酸是一种含多酚羟基的酸,广泛存在于多种植物中,具有抗菌、抗病毒、抗氧化、抗炎等多种药理作用。
Rosmarinic acid with several phenolic hydroxyl groups exists widely in many plants, which has various pharmacological actions on anti-inflammatory, anti-biotic, anti-virus, and anti-oxidation.
迷迭香酸是一种含多酚羟基的酸,广泛存在于多种植物中,具有抗菌、抗病毒、抗氧化、抗炎等多种药理作用。
Rosmarinic acid with several phenolic hydroxyl groups exists widely in many plants, which has various pharmacological actions on anti-inflammatory, anti-biotic, anti-virus, and anti-oxidation.
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