查询词典 reaction rate

divided the people in early prenancy into two groups: observation group and control group, each group with 100 people. people in observation group were putted misoprostol 0.6mg in the posterior fornix 2 hours before induced abortion and surface anesthesia in the cervix when operation; people in control group accept traditional induced abortion. then compared the indexs about the extention degree of the cervix, abdominal pain, colporrhagia, operation time, completely abortion rate and adverse reaction after operation, et al.

将早孕患者随机分成观察组和对照组两组，每组100例，观察组人工流产术前2h将米索前列醇0.6mg放置阴道后穹窿，手术时行宫颈表面麻醉，对照组行传统人工流产术，比较两组流产过程中宫颈扩张难易程度，腹痛情况，阴道流血情况，手术时间，完全流产率及术后不良反应等指标。

People in observation group were putted misoprostol 0.6mg in the posterior fornix 2 hours before induced abortion and surface anesthesia in the cervix when operation; people in control group accept traditional induced abortion. then compared the indexs about the extention degree of the cervix, abdominal pain, colporrhagia, operation time, completely abortion rate and adverse reaction after operation, et al.

将早孕患者随机分成观察组和对照组两组，每组100例，观察组人工流产术前2h将米索前列醇0.6mg放置阴道后穹窿，手术时行宫颈表面麻醉，对照组行传统人工流产术，比较两组流产过程中宫颈扩张难易程度，腹痛情况，阴道流血情况，手术时间，完全流产率及术后不良反应等指标。

Some kinetic parameters of the selective hydrogenation of benzene to cyclohexene such as reaction order and rate constant in each step were obtained.

在此基础上建立了苯选择加氢制环己烯各步反应的动力学方程，并对动力学方程进行了验证

The results showed: at the reaction temperature of 25～30 ℃,hydrogen pressure of 1.0～1.5 MPa,Vethanol∶Vcyclopentadiene of 5～6∶1,the catalyst dosage of 4 %～5 % and stirring rate of 800 r/min.The conversion of cyclopentadiene was above 98% and the selec...

结果表明，在反应温度25-30℃，氢气分压为1.0-1.5 MPa，无水乙醇作为溶剂，V无水乙醇∶V环戊二烯为5-6∶1，催化剂用量为4%-5%，搅拌速度为800 r/min条件下，反应时间2~3 h，环戊二烯的转化率大于98%，环戊烯的选择性大于95%。

The orthogonal experimental result showed that the optimum reaction conditions were as follows: citric acid 7.7 g, isoamyl alcohol 21.7 mL(the molar ratio of citric acid to isoamyl alcohol, 1:5); 1.0 g (4% of the total weight of raw material) NaHSO4H2O as catalyst; 25 mL dimethyl benzene as deaquation reagent; microwave irradiation time 15 mm; the yield of product was 83.2%(the rate of esterification was 95.1%).

通过正交实验，得到最佳的工艺条件如下：柠檬酸7.7g，异戊醇21.7mL（酸醇摩尔比为1：5）；一水合硫酸氢钠作催化剂，用量为1.0 g（为原料总质量的4%）；带水剂为二甲苯，用量为25mL；微波辐射时间为15min。

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例，测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛，分析了水对处理木材结晶度及内部凝聚力的影响；通过未处理和两种处理木材在不同温度水中的连续应力松弛测定，应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量，分析了在水中松弛过程中不同阶段木材内部发生的化学反应；并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量，明确了交联反应的类型；为了了解干燥对处理木材塑性变形固定的影响，测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛，分析了温度变化对处理绝干木材应力松弛的影响；根据多个温度水平下的连续应力松弛测定曲线，计算松弛过程的热力学量，考察了绝干木材在松弛过程中内部发生的分子变化机理，同时也用间歇法定量了木材内部新形成的架桥量，并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

The optimum reaction conditions were obtained by orthogonal experiments. When the mass ratio of sodium polyacrylate to inorganic substances is 1:1.5:1.5,and the dosage was 0.3%,it got the best water reduc- ing rate 58.75 %.Experimental results showed that the composite deflocculant had good water reducing property in the ceram...

采用正交实验，确定了低分子量聚丙烯酸钠的最佳制备条件，并将其与无机物以不同比例复合，配比为1：1.5：1.5，添加量为0.3%时减水性能最佳，减水率达到58.75%，是一种很好的减水剂。

By experiment we found that the reaction of aldehydes and nitromethane can proceed smoothly in the presence of a catalytic amount of Disodium Binaphtholate (3 mol %),and obtain a corresponding rate of product up to 100%.

通过筛选，我们发现在催化剂量的联二萘酚双钠盐(3 mol%)存在下，henry反应能够快速的进行，产率高达100%。

It indicates that the absorption amount and rate of Cd2+ in eichhornia crassipes solution enhanced with an increase of reaction time.

水葫芦在含5 mg/L Cd2+的水溶液中能继续生长，其对Cd2+的吸收量及吸收率随时间的延长而增加。

In this invention polymer electrolyte membrane device is used to electrolyze organic compounds with low decomposition voltage and meanwhile air is input into the anode loop reduce the residence time of intermediate product on catalyst surface, reducing the over-potential in anode reaction, increasing the anodic oxidation rate and maintaining the electrolytic solution potential below 1V, which decreases the power consumption and provides considerable economic benefit.

本发明利用聚合物电解质膜装置电解具有低分解电压的有机化合物，同时，在阳极回路中加入空气，减少电化学反应中间产物在催化剂表面的停留时间，降低阳极反应的过电位，加速阳极氧化速度，使得电解电位始终在1V以下，大大降低了电解制氢的耗电量，节约了能源，预计会有可观的经济效益。

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％。