查询词典 acetic acid amide

The hydroxyethylidene diphosphonic acid was prepared by phosphorus trichloride ,acetic acid with water.

用三氯化磷、冰醋酸和水合成了羟基乙叉二膦酸。

Lactic acid and acetic acid showed an inhibitory effect toward bacillus subtilis if the undissociated form was more than 0.683% and 0.256 %,respetively.

当乳酸和醋酸其未解离部分的浓度分别大于 0 。6 83%和 0 。2 5 6 %时对枯草芽胞杆菌有抑菌作用。

Lactic acid and acetic acid showed an inhibitory effect toward bacillus subtilis if the undissociated form was more than0.683% and0.256%, respetively.

当乳酸和醋酸其未解离部分的浓度分别大于0.683%0.256%对枯草芽胞杆菌有抑菌作用。

This article makes the comprehensive analysis on the organic contaminants in acid wastewater in the acetaldehyde unit by means of SPME, GC／MS, GC and volumetric analysis, and tries to find possibility of recovery of acetic acid.

采用SPME、GC／MS、GC及容量分析技术对乙醛装置酸性废水中有机污染物进行了综合分析，探讨了回收乙酸的可行性。

D., 5m. The mobile phase consisted of a ternary gradient: methanol, 0.8% acetic acid and 0.01mol/L ammonic acid.

d。，5m上，以甲醇－0.8%乙酸－0.01mol/L乙酸铵溶液组成的三元流动相进行洗脱分离，紫外280nm检测。

The quantity ratio of four main esters in Taishan Tequ is reasonable, the content of caproic acid and acetic acid is comparatively higher in Taishan Tequ, the content of n-propanol is also a bit high, and the content of aldehydes is suitable.

泰山特曲具有合理的四大酯量比，己酸、乙酸含量较高，正丙醇含量稍高，适量的醛类物质。

In acetic acid and using cobaltous acetate as catalyst m-chlorobenzoic acid was synthesized by the reaction of m-chlorotoluene with oxygen.

在醋酸溶液中，醋酸钴为催化剂，以间氯甲苯、氧气为原料合成间氯苯甲酸，分别研究了反应温度、反应时间、原料配比、催化剂的用量等条件对合成反应的影响，确定了最佳工艺条件。

DCA, or dichloroacetic acid, is an analogue of acetic acid in which chlorine atoms replace two of the three hydrogen atoms on the methyl group.

DCA也叫二氯乙酸或二氯醋酸，是一种类似乙酸的化合物，但乙基团上有两个氢原子被氯原子所取代。

A spectrophotometric simultaneous determination of glutaraldehyde and ethanal based on the reaction between gluaradehyde or ethanal and thiobarbituric acid in acetic acid solution is described.

在醋酸介质中，硫代巴比妥酸与戊二醛及乙醛分别可生成2∶1及1∶1的缩合产物，这两种缩合产物在可见光区具有不同波长的最大吸收，籍此可同时测定戊二醛及乙醛。

Under the optimum conditions, the extraction rates of the two most important inhibitors, namely formic acid and acetic acid, were up to 84% and 98%, respectively.

在最佳试验条件下，两种最重要的抑制物甲酸和乙酸的抽提率分别达到84%和98%。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48