乙酸的

Under different conditions, acetic acid conversion and the yield of butyl acetate were close or reached to 100% in a short operating time.

在不同反应条件下，较短的反应时间内，乙酸的转化率、乙酸正丁酯的产率都能接近或达到100%。

We supply high quality MCA to customers domestically and abroad. On request of US-based Cpkelco Company, we are now increasing our production capability to deliver MCA water impregnant to Cpkelco Taixing plant by pipeline.

在为国内外客户提供优质固体氯乙酸的基础上，应美国斯比凯可公司的需求，泰兴工厂还进行了扩容，通过管道运输方式向其泰兴工厂供应氯乙酸水溶液。

The dimer and isomer of NAA has been found as the main products arised from these radical groups.

这些自由基又进一步反应形成了主要的产物，包括萘乙酸二聚体和萘乙酸的异构体。

Production process and market requirement of chloroacetic acid at home and abroad were introduced.

钱伯章，氯乙酸的生产工艺和市场分析介绍了国内外氯乙酸的生产工艺和市场需求。

A series of novel polyethylene glycol derivatives was synthesized by esterification of chloroacetic acid with polyethylene glycol.

介绍了一氯乙酸在农药、医药、日用化工及有机工业中的应用，评述了一氯乙酸的工业生产现状。

This study developed a new method on the determination of carcinogenic disinfection by-products-trace dichloroacetic acid and trichloroacetic acid in tap water by ion chromatography-electrospray-tandem mass spectrometry(IC-ESI-MS/MS).

建立了一种采用离子色谱-串联电喷雾四级杆质谱联用技术检测自来水中可致癌的饮用水消毒副产物二氯乙酸和三氯乙酸的方法。

Results: Diacetyl monoxime solution of acetic acid and to without acetic acid DMA color liquid, transparent tube and the Brown tube of absorbance determination, 30 min to put average drop of 6.80%, 1.30% and 1.44%, 0.98%; 60 min put average drop 19.8%, 1.92% and

结果：二乙酰一肟乙酸溶液与无乙酸的DMA显色液，其透明管与遮光管测定的吸光度，放置30 min平均下降了6.80%、1.30%与1.44%、0.98%；放置60 min平均下降了19.8%、1.92%与2.49%、1.60%。

The results of toxicity determination of benzoic acid and phenylacetic acid showed that BA and PA were all toxic to masson pine excised needle and excised branch, among those the toxicity of BA was stronger.

3苯甲酸和苯乙酸的毒性测定显示，苯甲酸和苯乙酸对马尾松离体松叶和离体松枝均具有毒性，其中苯甲酸的毒性较强。

In the case of HAA2, optimised IC and MS parameters including eluent gradient, temperature and collision energy etc.

在优化的色谱和质谱条件下，二氯乙酸和三氯乙酸的检出限分别为0.053 μg/L和0.46 μg/L。

Transport of oxaloacetate Oxaloacetate, the product of the first step in gluconeogenesis, must leave the mitochondrion and enter the cytosol where the subsequent enzyme steps take place.

草酰乙酸的运输在糖异生作用中，第一部产物草酰乙酸必须离开线粒体并进入胞质溶胶，在胞质溶胶中进行以后的酶促反应步骤。

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。