查询词典 reaction rate

The hydroperoxide may be decomposed by Cu2+ to form alkoxyl free radicals,which increased the rate of the whole reaction.In the meanwhile,1-butyl-3-methylimidazolium hydroxide was studyed for the oxidation of cumene and DIPB.

在研究复合固体无机碱的同时，本文还研究了碱性离子液体1-丁基-3-甲基咪唑氢氧化化物等有机碱在氧化中的催化性能。

The activation energy and rate constant of the allylation reaction was calculated in virtue of kinetic study.

进行了动力学研究，获得了反应活化能和各反应温度下的反应速率常数，同时研究结果表明烯丙基化反应级数为2，反应机理为S(来源：A16BC论文网www.abclunwen.com)N2 亲核取代反应。

SiO vapor is an important precursor for both carbonthermic and aluminothermic reactions. The rate-controlling step is the reaction in which SiO〓 is reduced to form SiO .

研究发现，无论碳热还原或铝热还原，SiO气体是重要的中间产物，SiO〓还原为SiO的反应是整个还原氮化过程的速度控制步骤。

Reported that approximately 15% of patients who were treated with intravenous N-acetylcysteine had an anaphylactoid reaction within 2 hours after the initial infusion and that increasing the infusion time from 15 to 60 minutes did not alter the rate of adverse events.

Kerr等人报道大约15%的静脉注射N-乙酰半胱氨酸的病人在首次注射后2小时内出现过敏样反应，增加注入时间在15-60分钟内并不会改变副反应的发生率。

Theelectropolymerizaitons in the present study was followed by in situ UV-visspectrometry,which showed the rate of elecctropolymerization decreased as theconcerntration of anthranilic acid in reaction solution.

本文涉及的电化学聚合均用在线紫外—可见光谱进行跟踪，结果表明电化学共聚随着反应体系中邻氨基苯甲酸的浓度的增加而变慢；同时，在电化学聚合过程中的电流—时间瞬时响应曲线表明聚邻甲基苯胺和共聚物均可能是以三维累积成核的方式沉积在ITO导电玻璃电极上。

A novel anticoagulative biomaterial which was prepared from modified graphite oxide and silicone rubber through solution intercalated reaction was synthesized, The excellent properties of the new type nanocomposites, such as good mechanical strength and blood compatibility, have been characterized by XRD, mechanical properties, adhesion of blood platelet test and the heparin release rate test.

摘要利用溶液插层法合成了新型的硅橡胶／氧化石墨－十八烷基二甲基－2-羟乙基溴化铵－肝素纳米抗凝血复合膜材料，并通过机械性能测试、X射线衍射、血小板黏附试验和肝素扩散速率测定实验对复合膜材料的力学性能和血液相容性进行了表征。

The rate constant for the chem. reaction of benzoquinone with reduced GOD was measured, and the advantage of benzoquinone over oxygen as a mediator in bioelectrocatalysis was discussed.

测定了苯醌同还原态GOD的化学反应速度常数，并讨论用苯醌代替氧作为生物电催化中的电子传递体的优点。

After reaction for 30 minutes, the removal rate of TOC is 40% lower than that of aniline, which shows a series of intermediate by-products, mainly benzoquinone, as detected by HPLC and IC, are resulted from the decomposition of aniline.

反应30min后，TOC 去除率比苯胺去除率低40%左右，表明伴随着苯胺的分解，生成一系列中间产物，通过HPLC和IC检测主要为苯醌等。

After reaction for 30 minutes, the removal rate of TOC is 40% lower than that of aniline, wh ic h shows a series of intermediate by-products, mainly benzoquinone, as detected by HPLC and IC, are resulted from the decomposition of aniline.

反应30min后，TOC去除率比苯胺去除率低40%左右，表明伴随着苯胺的分解，生成一系列中间产物，通过HPLC和IC检测主要为苯醌等。

The hydrogen transfer reaction is a bimolecular, exothermal process and the rate is very slow, so it becomes the limited step.

氢转移反应是双分子、放热反应，因此，催化裂化工艺研究结果表明，FCC汽油的硫含量随着反应温度的升高而增加、随剂油比的升高呈下降趋势。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。