It is reported that the automobile branch of Dongfeng Motor Co., Ltd. produced 12,548 cars in February and accumulated more than 20,000 cars in the first two months.

Since the beginning of this year, the automotive subsidiary has focused on benchmarking, established a benchmarkin…

On March 1, 2012, entrusted by the National Science and Technology Major Special Management Office, Hubei Science and Technology Department hosted two national science and technolo…

From the conference on the production of hazardous chemicals and fireworks and firecrackers in Gansu Province that was held on March 9, it was learned that by the end of this year, all hazardous chemical…

The vibration response of the disk to the cavity excitation is used to analyze the interaction between the solid parts of the medium D, that is, the vibration response of the disk to the sound field excitation in the cavity. A 3 mm thick steel disc was placed at one end of the cylinder…