反应率

The effect to rate of production of the reaction active of different alkaline earth, the reaction efficiency of different low-carbon alcohols and reaction time were investigated.

考察了不同碱土金属、不同低碳醇及反应时间对醇盐产率的影响。

In this study enamine was used as the reactive intermediate for alkylation of cyclohexanone alkylate,to provide a new route to synthesize the perfume-α-tert-butylcyclohexanone after overcoming many disadvantages of the traditional technical route,such as the complicated of reaction steps,the expensive reagents adopted,the high demand for the equipment used,and the low yield of product.

利用烯胺作为环己酮烷基化的活性中间体，为香料α-叔丁基环己酮的合成提供了一条新的途径，克服了传统工艺反应步骤烦琐，试剂昂贵，设备要求较高，产率不高等缺点，易于工业化生产。

The two group were treated with cyclophosˉphamide and allopathy.

两组间进行缓解期、复发率、不良反应比较。

The influence of reaction temperature and time to production rate of tertiary amine was discussed;and the infrared attribute to Dimethyl ammonium allyl chloride was also carried out.

讨论了反应温度和时间间隔对叔胺产率的影响，并对二甲基二烯丙基氯化铵进行了红外表征。

Chiral N,P ligand 5 was examined for the asymmetric allylic alkylation of 1,3-diphenyl-2-propenyl acetate with up to 89% yield and up to 81.6% ee.

化合物5用于钯催化的1，3-二苯基-2-烯丙基乙酸酯的不对称烯丙基烷基化反应，产率为89%，对映体过量最高为81.6% ee。

The amidation reaction of the chiral unsaturatecd acid with the amine accomplished the synthesis of one target molecule.

第3章叙述了用9步反应、12%的总产率完成了malyngamide M的首次全合成。

Through the test,the optimal hydraulic retention time was found to be within 6h～8h,NH3-N increasing rate,within 90%~96%,and a new phenomenon of anaerobic ammoniation was found.

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Water quality indexes in the course of ammoniation reaction was analysed to provide theoretical guiding for the biological denitrification of meat processing wastewater .

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Amyl cinnamate was synthesized from cinnamic acid and amyl alchol using tungstosilicic acid as catalyst.

以钨硅杂多酸为催化剂，通过桂皮酸和正戊醇酯化反应合成桂皮酸正戊酯，研究了各有关因素对桂皮酸酯化率的影响。

The optimal synthesis conditions are that when the mass ratio of amylum and acrylamide is 3:1; NaOH is 75% of acrylamide; the concentration of ammonium ceric nitrate is 5 mmol/L; the N, N′-methylenebisacrylamide and acrylamide is 0.2%; and the reaction temperature controlled in (60±2)℃, the water absorptivity of produced super absorbent can reach to 750 g/g for tap water.

最佳合成条件是：在淀粉与丙烯酰胺的质量比为3：1、氢氧化钠为丙烯酰胺质量的75%、硝酸铈铵的浓度为5mmol/L、交联剂N，N'-亚甲基双丙烯酰胺与丙烯酰胺的质量比为0.2%、反应温度控制在(60±2)℃的条件下，制得的保水扩蓄剂吸水率可以达到750 g水／g。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！