The decomposed characteristic of nanometer ZnO precursor compound was studied. From the research, the decomposed temperature of nanometer precursor compound of ZnO is about 230 ℃ and it may be completely decompounded...The decomposed characteristic of nanometer ZnO precursor compound was studied. From the research, the decomposed temperature of nanometer precursor compound of ZnO is about 230 ℃ and it may be completely decompounded at 350 ℃. By means of the kinetics theory, the dynamics equation of precursor compound of nanometer ZnO was obtained. Activation energy is approximately 789.83±40 J·mol -1, reaction order is about 3, and pre-exponential factor is 0.0696 mg·s -1.展开更多
The effect of non-Gaussian colored noise(NGN),mainly its departure q from the Gaussian noise,on the optimal ISRO of CO oxidation on nanometer-sized Pd particles was studied.It was found that the ISRO in the absence of...The effect of non-Gaussian colored noise(NGN),mainly its departure q from the Gaussian noise,on the optimal ISRO of CO oxidation on nanometer-sized Pd particles was studied.It was found that the ISRO in the absence of external noise can still be enhanced when the NGN is applied.Specifically,the ISRO varies with changing q and becomes more regular at an appropriate q value,and when q is optimal,the ISRO becomes the most regular.Because the departure q from the Gaussian noise determines the probability distribution function and hence may denote the types of noise,this result shows that different types of external noise can enhance the ISRO of CO oxidation,and non-Gaussian noise may enhance the ISRO more greatly than the Gaussian noise.Therefore,non-Gaussian noise could play more effective roles in the catalytic process of CO oxidation on nanometer-sized Pd particles.展开更多
文摘The decomposed characteristic of nanometer ZnO precursor compound was studied. From the research, the decomposed temperature of nanometer precursor compound of ZnO is about 230 ℃ and it may be completely decompounded at 350 ℃. By means of the kinetics theory, the dynamics equation of precursor compound of nanometer ZnO was obtained. Activation energy is approximately 789.83±40 J·mol -1, reaction order is about 3, and pre-exponential factor is 0.0696 mg·s -1.
基金supported by the Natural Science Foundation of Shandong Province (ZR2009AM016)
文摘The effect of non-Gaussian colored noise(NGN),mainly its departure q from the Gaussian noise,on the optimal ISRO of CO oxidation on nanometer-sized Pd particles was studied.It was found that the ISRO in the absence of external noise can still be enhanced when the NGN is applied.Specifically,the ISRO varies with changing q and becomes more regular at an appropriate q value,and when q is optimal,the ISRO becomes the most regular.Because the departure q from the Gaussian noise determines the probability distribution function and hence may denote the types of noise,this result shows that different types of external noise can enhance the ISRO of CO oxidation,and non-Gaussian noise may enhance the ISRO more greatly than the Gaussian noise.Therefore,non-Gaussian noise could play more effective roles in the catalytic process of CO oxidation on nanometer-sized Pd particles.
