The etching of ABS plastic surface in ultrasonic field has been studied by using uniform design. A mathematicalequation to relate the roughness of ABS plastic surface with various etching parameters has been found and...The etching of ABS plastic surface in ultrasonic field has been studied by using uniform design. A mathematicalequation to relate the roughness of ABS plastic surface with various etching parameters has been found and the ultrasonicetching process has been optimized. The characterization of samples has been studied by SEM.展开更多
The Monte Carlo arithmetic invented by Gillespie was used to model the random degradation reaction of linear polymers.The number of molecules having different degree of polymerization was given at anytime in the degra...The Monte Carlo arithmetic invented by Gillespie was used to model the random degradation reaction of linear polymers.The number of molecules having different degree of polymerization was given at anytime in the degradation process.It was found that the number of molecules of high degree of polymerization( DP) decreased rapidly at the very begining of the degradation process.At the same time,the number increase of low DP molecules increased with decreasing the DP of molecules,and a smooth DP distribution was obtained.展开更多
文摘The etching of ABS plastic surface in ultrasonic field has been studied by using uniform design. A mathematicalequation to relate the roughness of ABS plastic surface with various etching parameters has been found and the ultrasonicetching process has been optimized. The characterization of samples has been studied by SEM.
文摘The Monte Carlo arithmetic invented by Gillespie was used to model the random degradation reaction of linear polymers.The number of molecules having different degree of polymerization was given at anytime in the degradation process.It was found that the number of molecules of high degree of polymerization( DP) decreased rapidly at the very begining of the degradation process.At the same time,the number increase of low DP molecules increased with decreasing the DP of molecules,and a smooth DP distribution was obtained.
