| 1. | The kinetics of homogeneous precipitation was studied , the activation energy was about 100 . 19kj / mol , and reaction index was 1 . 42
经稳定态假设处理后，得到沉淀反应的表观活化能为100 . 19kj mol ，硝酸钴的反应级数为1 . 42 。 |
| 2. | 3 . kinetic study of phase change of the composite materials was given by dsc method , the activation energies and the reaction orders of the phase changes in the composite materials were calculated
3 、运用dsc对上述复合贮能材料的相变动力学进行了研究，确定了各相变过程的表观活化能值及反应级数。 |
| 3. | The reaction order and apparent activation energy of nanocomposites by emulsion and bulk methods are obviously increased . this also shows that the thermal stability of nanocomposites is much better than pure pmma , which is also confirmed by doyle method
Freeman - carroll差减微分法结果表明：本体法及乳液法复合材料的热分解反应级数和表观活化能均明显高于纯pmma ； doyle积分法佐证了这一点。 |
| 4. | The curing dynamic parameters of epoxy resin / org - mmt / mz nanocomposites were obtained by the modified avrami expression and autocatalytic expression . the curing energy of epoxy resin / org - mmt / toa systems with different degrees of curing were obtained by flynn - wall - ozawa method
同时还利用了flynn - wall - ozawa方法求出环氧树脂桐油酸酐蒙脱土固化体系随着反应的进行不同固化度时对应的瞬间表观活化能。 |
| 5. | This article confirmed the grafting efficiency of starch grafted to acrylic acid and the structure of starch and its grafted matter through the separation , purification and analysis tests to the grafted copolymer and the grafted forked - chain matter produced from the process of this reaction ; and deduced the formula of the velocity of such reaction mentioned above with a calculated result of the apparent activation energy in this reaction by the curve showing the relationship among the consistency of starch , monomer and initiator and the velocity of the grafting copolymerization
摘要对淀粉接枝丙烯酸所得接枝共聚物及接枝侧链物进行分离提纯和分析测试，确定了其接枝效率并表征了淀粉及其接枝物的形态结构；通过分别测定接枝共聚反应速率与淀粉、单体、引发剂浓度的关系曲线，确定了该接枝共聚反应的速率关系式；推算出了反应的表观活化能。 |
| 6. | It was found that the composite film containing 28 . 6 % polyisoprene suited well for biosensor construction . the apparent michaelis constanst and activation energy for the immobilized glucose oxidase are 11 . 9 mm and 41 . 1 kj - mol " 1 , respectively . the biosensor response was influenced by ph value of determined solution , applied potential and operational temperature
研究发现，复合膜中聚异戊二烯含量28 . 6为传感器制作的最佳条件；固定化葡萄糖氧化酶的表观米氏常数为11 . 9mm ，酶催化反应的表观活化能为41 . 1kj ? mol ~ ( - 1 ) ；被测溶液的ph值、工作电位、使用温度等对葡萄糖传感器的响应有一定的影响。 |
| 7. | The tg and dta techniques were used to research the decomposition kinetics of depositions . the decomposition mechanism and kinetics - equation were investigated according to phadnis methods , and the equation can be depict as follow : the kinetics parameter of decomposition were obtained by using kissinger methods . the activation energy was 162 . 41kj / mol and reaction index was 1 . 30
利用phadnis法则，推断碱式碳酸钴的热分解反应机理符合反应级数法则，得到非等温条件下碱式碳酸钴的热分解动力学方程为：并利用kissinger法计算碱式碳酸钻热分解反应的表观活化能为162 . 41kj mol ，热分解反应级数为1 . 30 。 |
| 8. | An apparent activation energy of 182 . 35kj / mol was obtained for the range of 1250 c to 1350 c , and that of 82 . 32kj / mol for the range of 1350 c to 1400 c . at the same time , the relation between reaction velocity and reaction time is linear in the range of 1250 c to 1350 c , but it is a parabola curve in the range of 1350 c to 1400 c . so it can be concluded that the process undergone in the range of 1250 c to 1350 c is controlled by chemical reaction while that in the range of 1350 c to 1400 c by diffusion
本实验采用的试样是以钛白粉和活性碳按1 ： 30的比例混合料为原料，在6mp下成型为37 . 2 26mm的柱形样块，分别在1250 、 1350和1400于氮化炉中测定反应速率与时间的关系。当反应在1250 1350时，表观活化能为182 . 35kj mol 160kj mol ，反应速率与时间的关系是线性的，说明此阶段反应由化学反应控制。当反应在1350 1400时，表观活化能为82 . 32kj mol 160kj mol ，反应速率与时间的关系符合抛物线方程，说明此阶段反应由扩散控制。 |
| 9. | As to epoxy / toa / org - mmt system , the reaction order was 0 . 9 and active energy was 66kj / mol by kissinger method ; and a similar result was obtained by ozawa method . the curing reaction was controlled clearly by diffusion mechanism in the later stage of curing reaction without addition of org - mmt , which leads to the increment of active energy with extend of curing ; as to the curing system with addition of org - mmt , the value of active energy was always kept the same level , which can be explained by the catalytic function of amine salt inserted in the galleries of org - mmt
对于环氧桐油酸酐有机蒙脱土固化体系用kissinger方法看到固化体系的反应级数均为0 . 9左右，表观活化能值为66kj mol ； ozawa方法的处理结果与之近似，但从ozawa方法可以看到未加入有机蒙脱土的体系在反应后期固化反应明显受扩散控制，表现为活化能随固化程度的增加而增加；而加入有机蒙脱土的体系，其表观活化能则自始至终表现的较为均匀。 |
