查询词典 acetic

The effects of the content of acetic acid and water in mobile phase on the separation were systematically investigated. The fast enantioseparation of the racemate on monolithic column was successfully realized by stepwise gradient elution.

考察了流动相中添加不同量的醋酸和水对分离的影响，结合台阶梯度洗脱模式在S-TB整体柱上实现了对TB消旋体的快速分离。

The influences of the type and dosage of the aldehyde, organic acids, as well as the water content in the reaction system on the racemization were examined in detail, and L-Glu was racemized quickly in the presence of 0.2 molar ratio of L-Glu to salicylaldehyde in acetic acid containing 20% water.

详细考察了醛的种类及用量、羧酸溶剂的种类、反应体系的含水量对消旋化的影响，结果表明L-谷氨酸在含20%水的乙酸溶剂中，以水杨醛作为催化剂(水杨醛与L-谷氨酸的物质的量比为0.2)的优化条件下可以快速地被消旋化。

Results 1 week af ter injection , the average diameter of tumors ineach test group decreased when compared with the cont rol group. In 100 % acetic acid2group , only 1case had renascent tumors near the necrosis focus.

结果 注射后一周各实验组肿瘤直径均减小，对照组肿瘤直径明显增大。100 %乙酸组10 例仅1 例在坏死灶周围发现新生灶，而50 %乙酸组发现5例，75 %乙酸组发现7 例。

ResultsThe inhibitory ratio of retortion of mice induced by acetic acid was 64.24% and 24.24% respectively after QiXingZhenTongGao being administered at the pain threshold of mice.

方法采用醋酸建立小鼠疼痛扭体模型及小鼠热板法，观察七星镇痛膏的镇痛作用；采用二甲苯所致小鼠耳廓肿胀和右旋糖酐所致大鼠足跖肿胀形成模型，观察七星镇痛膏的抗炎作用。

The method to calculate the rate constant of the acetic ether saponification is in this way improved in this paper.

对乙酸乙酯皂化反应实验数据处理方法进行了改进，该方法无须测定初始电导，避免了初始电导的测定误差给计算结果带来的影响对两组实验数据进行了计算，结果表明，该方法简单、易操作，并有较高的精

Furthermore, the rating of satiety was directly related to the acetic acid level.

而且，饱腹感的等级与醋酸水平直接相关。

Then esterification of 3, 7-dimethyl-2-pentadecanol with acetic anhydride, the active component of sex pheromone of pine sawfly, 3, 7-dimethyl2-pentadecanyl acetate was obtained in 83. 4％ yield.

最后，用乙酸酐对3，7-二甲基-2-十五碳醇进行酯化，得到松叶蜂性信息素的活性组分--3，7-二甲基-2-十五碳醇乙酸酯，收率为83.4％。

METHODS: Chitosan scaffolds were prepared by 6% chitosan based hydrolgels produced from acetic acid and chitosan. Schwan cell of neonatal rat sciatic nerves was cultured using enzymatic digestion adherent method.

以6%壳聚糖乙酸水溶胶制备壳聚糖支架，取乳鼠坐骨神经采用酶消化后组织块贴壁培养的方法培养许旺细胞。

The experimental results showed that in the acid condition the polymerization rate decreased in acetic acid media, and the contents of species Sia and Sib were increased.

实验表明：在酸性氛围下，当有乙酸化合物存在时，聚硅酸溶液中的硅酸组分与钼酸反应的速率总是要比不含乙酸时的大得多；溶液中存在的Sia和Sib形态均表现出不同程度的增加。

The reaction processes of preparing sodium diacetate from acetic acid and sodium carbonate are studied.

本文对乙酸—纯碱法制备双乙酸钠反应过程进行了研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。