反应速率

P-t curves of titanium hydride and titanium deuteride desorbing hydrogen and deuterium are investigated at 350～550 ℃ by using the method of reaction rate analysis in a constant volume system.

在高真空金属系统上测定了氢化钛和氘化钛在恒容体系中、350~550℃温度下热解吸氢和氘的P-t曲线；应用反应速率分析方法计算了各自在不同温度下的反应速率常数，得到氢化钛和氘化钛热解吸的表观活化能分别为27。

When the temperature is 30℃and pH=9, the rate of hydrolysis of C.I.

活性黑5的水解反应速率常数为3.5×10^(-5)min^(-1)；相同温度下，在pH值为10、11、12时该染料的水解反应速率常数分别是pH值为9时的3、27、233倍，因此，C.I。

Instantaneous current efficiency of the electrochemical oxidation process of Cr~(3+) in the absence and presence of ultrasound was studied in a divided electrochemical cell.

研究结果表明：在有超声作用和机械搅拌条件下，蒽的转化率和反应速率均比无超声作用时高，且超声作用下的转化率和反应速率又高于机械搅拌。

In this study, the UV-spectra of AITC and its thioureas , and kinetic properties of piperidine, morpholine and diethyl amine reacted with AITC were investigated.

AITC与胺反应转化为硫脲后，最大吸收峰强度有了极大的提高，摩尔吸光系数增加了十余倍；利用我们的发现，我们以光度法研究了该反应的动力学，证明该反应为二级反应，并求得了反应速率常数和反应活化能等参数；同时，讨论了反应机理。

Temperature and scale inhibitors influence mainly on nuclei formation in the whole reaction process.

从整个结晶过程来看，温度和阻垢剂对晶核生长的反应速率产生较大影响，对晶粒长大反应速率影响较小。

The reaction rate was mainlyinfluenced by temperature but nearly uninfluenced by concentration of H2S and particle scaleswhen they were small.

温度对预硫化反应速率的影响较为显著；在较低的硫化氢浓度和较小的催化剂粒径范围内，预硫化宏观反应速率几乎不受二者的影响。

RESULTS : The hypertrophic cardiomyocyte NTPase Vmax values at 1 week group and 4 week group were all increased significantly in both of ATP and GTP as substrates with much higher argumental extent in early hyper group; their Km values were kept constant in early hyper group and were decreased only in late hyper groups.

结果：早、晚期肥大组心肌细胞核被膜NTPase最大反应速率以ATP为底物时较对照组增加25%～62%(P＜0.01)，以GTP为底物时增加8%～44%(P＜0.01)，其中晚期肥大组NTPase最大反应速率增加幅度低于早期组。早期肥大组细胞核被膜NTPase Km值不变，晚期组NTPase Km值下降，以ATP和GTP为底物时晚期肥大组Km值分别下降22%和86%。

The activation energies were highly pH-depended and decreased very sharply as the pH went up from 6. 0 to 11. 0 or down from 6. 0 to 2. 0.The stability of Gln residues in peptides or corn protein was the most at pH6. 0.At pH 6. 0, the rate constants of deamidation were the lowest, and their half-life and Arrhenius activation energies were the highest.

过酸或过碱都将增加脱酰胺反应的速率，动力学结果表明，pH6.0时最为稳定，表现为pH6.0时的脱酰胺反应速率常数最小、半衰期最长、活化能最大。

Solubility of silicon dioxide is earlier soluble than delignification in AP for rice straw.

在蒸煮温度70℃时，脱硅反应速率常数是脱木素反应速率常数的3.78倍。

MIPC was photocatalytically transformed to 3,4-dihydroxyl hypnone, 2-iso-butyl phenol and acetic acid, and mineralized ultimately in oxygenated TiO2 slurries. The photocatalytic degradation processed according to first order kinetics with the apparent rate constant depending on initial concentration, light intensity and the amount of catalyst. The amount of catalyst had an optimum value (0.5g/L). The apparent rate was inversely proportional to square root of the initial concentration approximately.

MIPC能被光催化转化成3，4-二羟基苯乙酮、2-异丁基苯酚和乙酸等产物并最终被矿化，MIPC的光催化反应过程符合一级动力学规律，其表观速率常数与MIPC的起始浓度、TiO2量和光强等因素有关，MIPC降解的反应速率与入射光强成正比，与MIPC初始浓度的平方根成反比。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。