Developments in ceria-based soot oxidation catalysts, especially during the last decade, are reviewed. Based on the comp......

在地道的英文表达中，如果状语从句和主句的主语一致，往往会省略状语从句中的主语和谓语的一部分（be动词）或全部省略谓语，从而使语言更加......

Abstract：The paper expatiated the work principle， general project， and the control part of the corresponding program of the......

A motorcycle connecting rod is one of the major moving parts affecting the engine performance. The traditional manufactu......

The technique of neutron activation analysis (NAA) has been employed to measure the content of 29 kinds of elements in t......

Transverse cracks and localized slumps frequently occur within loose deposits slopes when the slope base is removed eith......