反应速率

A new exothermal model of cement hydration in concrete considering the effects of temperature and concentration of chemical reactant is incorporated into the finite element numerical simulations.

基于考虑温度和化学反应物浓度对化学反应速率影响的混凝土水泥水化反应放热模型，编制二维混凝土水化热温度场有限元分析程序。

In the highheating rates, Al nanopowders were heated above 560℃rapidly, and then the oxidize shellcracked and combusted due to the fusion of the core part Al. This oxidation process wasacute, and had only one phenomenon of exothermal and mass gain.

在高加热速率下，纳米铝粉温度迅速被加热到560℃以上，芯部的铝熔化造成氧化铝壳层的破裂燃烧，氧化反应剧烈，仅有一次放热和质量增重现象。

The principle of preparation for white carbon black is described, the influence of the concentration of fluosilicic acid, the dripping velocity of ammonia water, the reaction temperature and the curing time on the specific surface area of white carbon black are studied.

论述了白炭黑的制备原理，研究了氟硅酸浓度，氨水滴加速率，反应温度，陈化时间对白炭黑比表面积的影响。

An isocratic HPLC assay was developed for simultaneous determination of levodopa methyl ester and levodopa in the hydrolysate of levodopa methylester.

采用等度高效液相分析方法同时检测左旋多巴甲酯及其水解产物左旋多巴，得到了一系列水解速率常数以及氢离子浓度和温度对水解反应的影响。

IWA Leading-Edge Conference on Water and Wastewater Treatment Technologies.

尹军，谭学军等。用比摄氧速率表征有机物降解和硝化反应过程。

A preliminary study on substrate specificity of Lumbricus Bimastus nuclease DNase E degradation studies showed that there were differences in degradation rate of the DNase E to different substrates.

双胸蚓组织核酸酶底物特异性的研究通过DNase E在最适反应条件下对几种不同底物降解速率的研究表明DNase E降解底物存在差异性。

A preliminary study on substrate specificity of Lumbricus Bimastus nucleaseTo measure degrade rate of DNase E to several different substrate in optimal reaction condition to demonstrate the substrate selectivity of DNase E. Agarose gel electrophoresis was used to investigate the products of DNase E processing double strands cyclic DNA to investigate the action of DNase E.

双胸蚓组织核酸酶底物特异性的研究测定DNase E在最适反应条件下对不同底物的降解速率，证明DNase E降解底物的选择性；应用琼脂糖凝胶电泳对DNase E水解双链环状DNA后的产物进行鉴定，阐明DNase E的水解方式。

Flow patterns,spatial distribution of temperature and chemical species,and growth rates during growth processes of GaN in planetary metalorganic chemical vapor deposition reactor are simulated three-dimensionally based on computational fluid dynamics theory.

基于计算流体力学在三维空间中模拟了水平行星式金属有机物化学气相沉积反应器生长GaN材料的流场、热场、反应物与生成物的分布以及材料生长速率等重要物理参数。

Serum CRP values were determined by the ICS rate nephelometric method in 18 cases of active pulmonary tuberculosis, 12 cases of healed pulmonary tuberculosis, 31 normal persons and in 26 cases with other pulmonary bacterial infections.

利用速率比浊法测定18位活动性肺结核、12位治愈性肺结核、31位正常人及26位其他细菌性肺炎病人之血中C反应蛋白质值。

Silicon and manganese content on the peritectic reaction and peritectic point of Fe-C alloys has been studied by the experimental data and production data for solving the problem of longitudinal surface cracks.

利用实验和生产数据研究了冷却速率和硅、锰合金元素对Fe-C合金的包晶反应和包晶点位置的影响。

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％。