In order to make automatic mechanical transmission (AMT) capable of performing fault self-diagnoses and adaptive to standard communication interface,through tec
In order to obtain high quality NiO thin film grown with the radio-frequency magnetron sputtering method, the influence of O/Ar ratio on the structure, band-gap
A total of 14 in-use diesel buses were selected to conduct emission measurement using a portable emissions measurement system(PEMS)in Beijing.Their instantaneou