acid 高考四级六级考研

The chemist carefully poured the acid into the flask, watching it fizz and bubble.

化学小心翼翼地将酸倒入烧瓶，看着它冒泡沸腾。

Handle this corrosive acid with caution in the chemistry lab.

在化学实验室中要谨慎处理这种腐蚀性酸。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采酯化法合成丙二醇单乙醚乙酸酯。

In addition, can add neomycin to rinse with 0.25% acetic acid or much mycetozoan element.

此外，可0.25%醋酸或多粘菌加新霉。

Below his preternatural affability there is some acid and steel.

在他异常和蔼可亲的表情之下，有着尖刻和钢铁般的坚毅。

Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.

从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸，合成茴香酸甲酯。

Ellagic acid was previousely shown to have anticarcinogenic, antioxidant and antifibrosis properties.

此前的研究表明鞣花酸具有抗肿瘤、抗氧化和抗纤维化的作。

Acidizing fluid of emulsified acid consists of preflush,emulsion,after-pad,KFT reaction fluid and displacement fluid.

乳化酸酸化酸液由前置液、乳化酸、后置液、KFT反应液和顶替液组成。

The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

介绍了国内外醇胺催化脱氢制备氨基酸的研究发展情况。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

L-canavanine, the analog of L-arginine ,is a natural non-protein amino acid.

刀豆氨酸是一种天然的非蛋白质氨基酸,L-精氨酸的类似物。

Acids with different cation were distinguishingly different in activation energy and frequency factor distribution.

不同阳离子的同种羧酸盐，活化能和频率因子分布却相差很大。

Objective Bacteriocin-producing Lactic acid bacteria was isolated from plant-material.

摘要目的从植物性材料中筛选产细菌的乳酸菌。

Regenerationprocess of deteriorated chloroplatinic acid by reducing and purifying is introduced.

介绍了变质氯铂酸经过还原、提纯，再生为分析纯氯铂酸的中间操作过程。

The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.

测得多糖的含量为65。

Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.

对难分解的钛钽铌矿的酸分解工艺进行了试验研究。

The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography(HPLC).

本试验改进了肌肉中肌苷酸测定的高效液相色谱法。

Putting the solid chitosan into ethylic acid solution can be used as potentiator.

将壳聚糖固体溶于醋酸溶液中,作造纸增强剂。

In the nucleoplasm chromosomes consisting of deoxyribonucleic acid (DNA) and proteins are present.

核质中的染色体由脱氧核糖核酸（DNA）和蛋白质构成。

Synthesis of n-butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.

以磷钨酸和磷钨酸铝为催化剂,乳酸和正丁酸合成了乳酸正丁酯。