反应率

However, inhibiting rates of Ly-CL by sodium benzoate and mannitol were higher than IR of PMN-CL and IR of Ly-CL by supcroxide dis mutase and catalase were lower than IR of PMN-CL.

氧自由基清除剂作用于PMN—CL和LY—CL反应的结果表明，L—组氨酸均明显抑制PMN—CL和LY—CL反应；苯甲酸钠和甘露醇抑制LY—CL反应的抑制率明显高于PMN—CL；而超氧化物歧化酶和过氧化氢酶抑制LY—CL的IR明显低于PMN—CL。

The results show that the effect of quantity of initiator 、 dosage ratio between persulfates and Sodium Thiosulfate、reaction temperature、reaction time、crosslinking agent and the dosage of NaAA onGR、GE and WAR is significant.

实验结果表明：引发剂用量、反应温度、时间、和单体用量在制备腻子型吸水膨胀天然橡胶中对天然橡胶的接枝率有显著的影响，在本实验研究范围内的最佳工艺为：反应温度为40℃，反应时间为1小时，引发剂用量为0.50%，单体用量为100%，交联剂用量为2.00×10-4mol。

By adding Al into V9P8-en, researching the order of doping the reactants, thepH of originative gel, the reactants' filling volume, the form of Al source and V source,the effect that the additive rate of V : P : Al have on the productions and so on, getsome data.

一、进行了V9P8-en添加Al元素的实验，研究了起始物的添加顺序，起始反应溶液的pH值，反应釜中起始物的充填率，钒源、铝源的形式，钒、磷和铝的加入量之间的比率等对反应产物的影响。

Finally, pentyl acetate and benteine could be respectively synthesized by esterification reaction in the presence of nanometer rare earth composite solid superacids (SO_4)~(2-)/ZrO_2-Gd_2O_3 and (SO_4)~(2-)/ZrO_2-Nd_2O_3. The effects of reaction time, reaction temperature, the mol ratio of acid to alcohol and the use level of catalyst on esterification yield were discussed. In the end, we obtained their optimal reaction conditions.

采用纳米稀土复合固体超强酸SO_4~(2-)/ZrO_2-Gd_2O_3，SO_4~(2-)，~/ZrO_2-Nd_2O_3分别合成了乙酸戊酯和乙酸苄酯两种香料，实验考察了反应时间、反应温度、醇酸比及催化剂的用量对酯化率的影响，并由此得出反应的最佳条件。

The coupling of iodobenzene with styrene was studied by perpendicularity experiment.

在有关Heck反应的文献报道中几乎没有关于反应条件优化方面的系统研究，我们以碘代苯和苯乙烯的的偶联为例，通过正交设计实验研究了各反应条件对产率的影响。

We report here creativity using compound solvent as solvent is the unique of the new technology on the basic of perpendicularity experiments and with the actual situation of our country, the effect of reaction temperature, reaction time, rate of material were optimized. Rate of yield can reach beyond 98% and this technology has successfully applied in practical production with the output of 300t per year.

解决以上两个问题是改进得克隆生产工艺的关键，本文针对上述问题，并且结合我国实际情况，在正交试验的基础上创造性的选择了复合溶剂，改进了得克隆的生产工艺，确定了最佳的投料比、反应温度、反应时间等反应条件，溶剂可以循环利用，并且得到了98％以上的高产率。

Solvent dosage is 10mL/ gram epichlorohydrin. The yield of 5-chloromethyl-2-oxazolidinone was more than 65.2%. 5-Chloromethyl-2-oxazolidinone and sodium phenolate were condensated to give 5-phenoxymethyl-2-oxazolidinone after taking off the sodium chloride in yield of 63.0%~78.0%. Dimethylsulfoxide was used as the solvent, and orthogonal experiment to the reaction condition had been carried out.

用5-氯甲基-2-噁唑烷酮和酚钠缩合，脱去氯化钠后生成5-芳氧甲基-2-噁唑烷酮类化合物，选用二甲亚砜为溶剂，对反应条件进行了正交实验，最佳条件为：反应温度120℃、反应时间20h、物料配比1：1，产率为63.0%～78.0%。

The experimental device for the evaluation of the phosphate rock reactivity is described.

介绍评价磷矿反应活性的实验装置；用磷矿在一定浓度酸液中，在一定温度、一定反应时间下的分解率表示磷矿的反应活性。

Several other diagnostic procedures including intradermal test, circumoval precipitin test and cercarienhullen reaction were also employed at the same time for the 67 proved cases, and their positive rates were found to be 41.7%, 80.6-94.0% 48 or 72 hours' i...

粪检阳性组的尾蚴膜和环卵反应阳性率分别达97.0％和94.0％。治疗后复查表明，环卵反应转阴率较尾蚴膜反应为高。作者还讨论了用日本血吸虫各期抗原检查曼氏血吸虫病病人及考核疗效的价值。

We prepared the pyrethric acid II through four reactions: esterification, oxidation, decomposition, diesterification. And the original synthesis route of the pyrethric acidII was improved: the yield of oxidation of allyl rise through increasing the activity of Selenium dioxide; in the document, tert-butyl-trans -2, 2-dimethy1-3-(2"-methoxycarbony1-1"-propenyl)cyclopropanecarboxy late was synthesized from tert-butyl-trans-2,2-dimethyl-3-(2 -formyl-r -propenyl) cyclopropanecarboxylate with two steps, with low yield.

我们经过酯化，氧化，成双酯，热分解四步反应，成功地得到了第二菊酸，并改进了原第二菊酸的合成路线：通过改变二氧化硒的活性提高了烯丙甲基的氧化产率；将原路线中醛氧化成羧酸、羧酸酯化的两步反应改为醛和甲醇、二氧化锰等作用一步直接酯化的方法，减少了反应步骤，提高了总收率。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。