In order to explore the effect of particle position on the electrocatalytic reaction rate at different positions in three-dimensional electrocatalytic reactor,using methylene blue as the simulated organic wastewater,a...In order to explore the effect of particle position on the electrocatalytic reaction rate at different positions in three-dimensional electrocatalytic reactor,using methylene blue as the simulated organic wastewater,and spherical graphite particles as the particle electrode,the potential distribution in three-dimensional electrocatalytic reactor was simulated by using COMSOL Multiphysics software.A multivariate logarithmic regression model of reaction kinetic constant and position was established by mathematical statistics.The electrocatalytic reaction rates were predicted at different locations in the reactor.The results show that the degradation ability of particle electrode to pollutants is uneven in the electrocatalytic reactor.The increase of electric field intensity and particle size will improve the difference of reaction rate.The closer the particle electrode is to the anode,the stronger the pollutant degradation ability would be.The reaction rate of the same particle electrode at different locations varies greatly,which can be roughly divided into three regions according to the degree of difference,among which the central region of the particle has the highest electrocatalytic reaction efficiency.展开更多
The author uses the statistics from 1981 to 2002 to perform a logarithmic regression analysis on the contribution made by foreign investment to Chinese economy.The measurement shows that the following effects on Chine...The author uses the statistics from 1981 to 2002 to perform a logarithmic regression analysis on the contribution made by foreign investment to Chinese economy.The measurement shows that the following effects on Chinese economy are brought by large amount of foreign investment:1)Foreign investment,as an important investment source,boosts the increase of the stock of production factors and improves the supplying potentials of Chinese economy.2)The application of foreign investment speeds the rapid growth of the total production value and the increases the value of Chinese industry.3)Foreign investment changes the employment structure of Chinese labor force.4)The tax in China,to some extent,owes its growth to the adoption of foreign investment.展开更多
文摘In order to explore the effect of particle position on the electrocatalytic reaction rate at different positions in three-dimensional electrocatalytic reactor,using methylene blue as the simulated organic wastewater,and spherical graphite particles as the particle electrode,the potential distribution in three-dimensional electrocatalytic reactor was simulated by using COMSOL Multiphysics software.A multivariate logarithmic regression model of reaction kinetic constant and position was established by mathematical statistics.The electrocatalytic reaction rates were predicted at different locations in the reactor.The results show that the degradation ability of particle electrode to pollutants is uneven in the electrocatalytic reactor.The increase of electric field intensity and particle size will improve the difference of reaction rate.The closer the particle electrode is to the anode,the stronger the pollutant degradation ability would be.The reaction rate of the same particle electrode at different locations varies greatly,which can be roughly divided into three regions according to the degree of difference,among which the central region of the particle has the highest electrocatalytic reaction efficiency.
文摘The author uses the statistics from 1981 to 2002 to perform a logarithmic regression analysis on the contribution made by foreign investment to Chinese economy.The measurement shows that the following effects on Chinese economy are brought by large amount of foreign investment:1)Foreign investment,as an important investment source,boosts the increase of the stock of production factors and improves the supplying potentials of Chinese economy.2)The application of foreign investment speeds the rapid growth of the total production value and the increases the value of Chinese industry.3)Foreign investment changes the employment structure of Chinese labor force.4)The tax in China,to some extent,owes its growth to the adoption of foreign investment.
