乙酸的

The process was methanolysis ed alkyl inino-acetic acid ester hydrogen chloride salt from methyl-cyanide.

研究了由乙腈为原料经烷基亚氨基醋酸酯盐酸盐醇解制备原乙酸三甲酯的工艺方法，对投料比、反应温度、反应时间及中和指示剂等工艺条件进行了研究，得出较优惠的工艺条件。

The influence of the use level of base and monochloroacetic acid on the degree of substitution in CMS,the influence of DS and H/Na(ratio of free and salified carboxylic acid in CMS)on swelling and disintegrating of CMS have been discussed.

考察了碱和一氯乙酸用量对CMS取代度的影响及DS和CMS中游离羧基和成盐羧基比对崩解剂吸水溶胀性能的影响。

However, it's not just with its writers that NAA excels (although this is a key strength).

然而，这不只是它的作者认为，萘乙酸擅长（尽管这是一个关键的力量）。

However, it's not just with its writers that NAA excels (although this is a key strength).

然而，这不只是它的作者认为，萘乙酸傲视同侪，（虽然这是一个关键的力量）。

He chromatographic conditions for separation and detection of organic acids and inorganic weak acids with ion exclusion chromatography and nonsuppressed conductivity detection are described in this paper.

用非抑制型电导检测的离子排斥色谱法，以对甲苯磺酸为淋洗液，研究了柠檬酸、苹果酸、抗坏血酸、乙醇酸、甲酸、乙酸、丙酸及氢氟酸和碳酸的色谱分离及定量检测条件。

The method of degradation of 2,4-dichlorophenoxyacetic acid by ozonation in a cylindrical bubbling tower reactor was proposed.

引言2，4-二氯苯氧乙酸(2，4-D，又名2，4-滴)是一种广泛使用的除草剂[1]，应用历史较长，是我国主要的除草剂品种之一，用量也比较大。

The compositions can also contain microcrystalline cellulose, croscarmellose sodium, anhydrous lactose, magnesium stearate, micronized edetate calcium disodium hydrous, and micronized sodium thiosulfate pentahydrate.

所述组合物也可以包含微晶纤维素、交联羧甲纤维素钠、无水乳糖、硬脂酸镁、微粒化的含水乙二胺四乙酸钙二钠和微粒化的硫代硫酸钠五水合物。

Peracetic acid inter aqueous solution of kinetic data were measured at the temperature 25℃ by the iodimetery.

过氧乙酸是一种高效无残毒的消毒杀菌剂，特别适用于公共餐具的消毒。

Pernyi (yellow and artificial white cocoon) in trifluoroacetic acid were recorded on Bruker AM -500 NMR spectrometer.

本文在Bruker AM-500 NMR谱仪上，测试了河南桑蚕、辽宁柞蚕丝素在三氟乙酸溶液中的~1H和~(13)C NMR谱，归属了丝蛋白中主要氨基酸的NMR谱线。

Four new solid complexes of rare earth with phenoxyacetic acid and 1,10 phenanthroline were synthesized ,and their composition,solubility and molar conductance were studied.

合成了钕、钇、镝、镥等稀土·苯氧乙酸·邻菲罗啉三元配合物。用化学分析法研究了它们的组成以及它们在不同溶剂中的溶解性能和摩尔电导等物理性质。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。