速率

But in the mixture of DSB/AOT, with the increase of DSB, the oxidation rate of pyrogallic decreases gradually to the minimum at the ratio of 7/3, which is only 50% of that in bulk solution.

但是DSB和AOT溶液在混合以后，出现了异常的变化，随着DSB比例的增加，邻苯三酚自氧化速率不但没有上升，反而逐渐降低，在DSB/AOT为7/3时达到最低点，自氧化速率仅为水溶液的50％左右。

The results showed the pyrolytic process of polyacrylonitrile film can be divided into three stages.

用非等温热重法分析了聚丙烯腈薄膜的热解过程，探讨了升温速率对聚丙烯腈薄膜热重曲线和失重速率峰值的影响。

Results show that the heating rates was the important effect factor and the pyrolytic performance is improved with rising heating rate.

结果表明：升温速率是影响热解产物生成量的重要因素，加快升温速率对神华煤热解制富氢燃料气有一定的提高。

The maximal reaction rate of pyrotechnical reagent with potassium nitrate added with CuO by mixing method is 7.38 min-1, which is 1.30 times of that without catalyst. The time to maximal rate is 53.55 min, which is lower than that without catalyst by 66.3%.

氧化铜对含硝酸钾的烟火药剂具有催化作用，混合法添加的催化效果最佳；此药剂最大反应速率为7.38 min-1，是不含催化剂药剂的1.30倍；到达最大反应速率时间为53.55 min，比不含催化剂的药剂降低了66.3%。

The maximal reaction rate of pyrotechnical reagent with potassium perchlorate added with Fe2O3 by crystallization method is 8.10 min-1, which is 4.09 times of that without catalyst. The time to maximal rate is 8.52 min, which is lower than that without catalyst by 92.8%. It was also found that CuO can catalyze pyrotechnical reagent with potassium nitrate, and the addition is better with mixing method.

结果表明，氧化铁对含高氯酸钾的烟火药剂具有催化作用，以结晶添加法催化效果最佳；此药剂的最大反应速率为8.10 min-1，是不含催化剂药剂的4.09倍；到达最大反应速率时间为8.52 min，比不含催化剂的药剂降低了92.8%。

However, production of pyruvaldehyde in galactose/glycine system was much less than that in glucose/glycine system at 60°C.

糖类的初浓度对褐变速率之影响，在1.2%~4.8%之间呈线性正相关；其中羊乳糖／甘胺酸系统的褐变速率大於葡萄糖／甘胺酸系统。

Three nitrogen levels had increased dark respiration of Quercus mongalica seedlings under interaction of double CO2 concentration and elevated temperature.

氮素水平对最大光合速率影响也十分明显，不同处理条件下，高氮水平的最大光合速率明显高于低氮和不施氮水平。

Halogenated aromatic compounds with great q〓(the most negative net atomic charges on an atom of the molecule), ENC (electron-nuclear attraction energy of the one-center term for the carbon atoms of the weakest carbon-halogen bond), qc (thenet atomic charges on the carbon atom of the weakest carbon-halogen bond) and E〓 tend to be reductively dehalogenated slow, while halogenated aromatic compounds with high values of △E (the difference of front-line orbital energy), EEC (electron-electron repulsion energy of the one-center term for the carbon atoms of the weakest carbon-halogen bond), Mw, q〓 and α tend to be reductively dehalogenated fast.

卤代芳烃化合物的整个分子的最负的原子净电荷，键序最小的碳卤键中碳原子的单中心项电子-核吸引能，该碳-卤键上碳原子的净电荷和E〓与该卤代芳烃化合物还原脱卤的速率常数负相关；而前线轨道间隙能，键序最小的碳卤键中碳原子的单中心项电子-电子推斥能，Mw，q〓和α与该卤代芳烃化合物还原脱卤的速率常数正相关。

The ratios of k~1 and k~2 varied within the range of 4.24～133, which showed that the control step for oxidation of CO over REFeO~3 was the reoxidation step of reduced catalyst.

催化剂用CO还原的速率常数k~1比还原了的催化化剂用O~2再氧化速率常数k~2要大， k~1/k~2值在4.22～133之间，这说明在REFeO~3上CO氧化的控制步骤为还原催化剂的再氧化。

Blue light could increase NRactivity,respirative rate,decreased the net photosyntheticrate,increased the contents of total nitrogen,protein,aminoacid,making the N metabolism stronger.

蓝光可以提高硝酸还原酶活性和呼吸速率，降低净光合速率，提高使叶片总氮、蛋白质、氨基酸含量提高，使氮代谢增强，C/N降低。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。