查询词典 acetic acid amide

For resolving the lack of solubility data terephthalic acid in aqueous acetic acid, a method of determining the solubility at high temperature was developed.

针对对苯二甲酸工业中的溶解度基础数据缺乏的问题，提出了一种测定高温下对苯二甲酸在醋酸水溶液中的溶解度的方法。

For resolving the lack of solubility data terephthalic acid in aqueous acetic acid, a method of determining the solubility at high temperature was developed.

针对对苯二甲酸工业中的溶解度基础数据缺乏的问题。

Some, including tetradecanoic acid, were found early but not late in the decomposition process, while others, such as acetic and propanoic acid, were found late but not early.

例如十四烷酸之类的，初期存在但腐烂过程中就消失了。还有像醋酸和丙酸这样的，后期释放但初期没有。

2AN oxygen radicle benzene Mao water solution reaction process in, the hydrogen bromine is sour with acetic acid Mo Er compare for 1:be tetrahydroxy and 2 mols at 1:00|weigh to crystallize in the L hydrochloric acid aqua, the product accepts to lead superior turn

甲氧基苯醌水解反应过程中，当氢溴酸与醋酸摩尔比为1：1时，四羟基苯醌与2mol/L的盐酸溶液中重结晶产品收率最佳

The side chain of thioacetic acid has been sythesized from the material of acetic acid via four steps, then synthesized the key intermediate of 2-hydroxypenem via displacement, P〓induced cyclization and hydrolyzed reaction from the material of azetidinone.

以羟乙酸为原料，经四步反应合成了侧链化合物硫基取代的羟乙酸，发生取代反应导入到经七步合成的单环氮杂环丁酮中，然后发生酰化，Wittig诱导环化，水解等五步反应合成关键中间体2-羟甲基青霉烯。

There is no remarkable difference for removing proteins as consideration of de-protein rate at pH 2.5 of hydrochloric acid(69.55%) and trichloro acetic acid(73.73%).

三氯乙酸和盐酸在pH 2.5时的脱蛋白率分别为73.73%和69.55%，差异不显著，实际生产中可用盐酸替代三氯乙酸进行脱蛋白处理。

The bromine value of petroleum products was determined by potential titration in mixed solvents of glacial acetic acid,trichloromethane,methanoland sulfuric acid,this method was compared with indicator titration,the experimental results show the method relative standard deviation is smaller.

以冰醋酸、三氯甲烷、甲醇和1：5的硫酸(体积比为714：134：134：18)作为滴定溶剂，采用电位滴定法测定石油产品的溴值，并与指示剂滴定法进行对比。

The result showed that the isolated strain was Ustilago esculenta, and indole acetic acid, abscisic acid, and gibberellic acid3 (GA3) were detected in the fermentation broth, and the contents of IAA is 0.1306mg/L, ABA is 0.01367mg/L.

结果表明：用菌落形态与孢子形态鉴定和分子生物学鉴定的方法，对茭白中分离的一个菌株鉴定为菰黑粉菌，且在其发酵液中检测到植物激素IAA、ABA和GA3，其中IAA含量为0.1306mg/L，ABA含量为0.01367mg/L。

Determination of its content by idometry is performed and the effect of acidifying with acetic acid and hydrochloric acid on the result of the test is investigated.

采用碘法滴定测其含量，并探讨了醋酸酸化和盐酸酸化对测定结果的影响。

A strong acid made by chlorinating acetic acid .

用氯处理乙酸而制成的一种强酸。

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