Mini Mars simulates Martian dust for scientists

Mars dust causes serious damage to sensitive equipment, so the researchers created a room to simulate the surface of Mars. Test before the device launches on this red planet.

Check valve slow closing structural design

Abstract: Aiming at the problem of water hammer and boost in the use of check valve of common structure, a design scheme of adding auxiliary valve with slow closing is proposed. The improved product has the functions of smooth opening and closing and reducing water hammer pressure. The check va

Application of Fuzzy Controller in Distributed Control System

At the end of last year, China Aerospace Industry Corporation held a technical appraisal meeting in Tiefa, Liaoning Province, for the HIC-1000 developed by Harbin Institute of Technology on the No. 2 boiler (130t/h) of the low calorific value coal-fired thermal power plant of the Tiefa Mining B

More comfortable and reliable current heavy truck


In recent years, domestic truck companies have developed rapidly. Major companies are constantly improving the quality of truck products. Researching and developing advanced technologies and pursuing high-end quality gradually approaches European standards. There are

· China's car sales in January hit a record high

On February 13th, it was learned from the China Automobile Association that in January China's automobile production and sales maintained a growth momentum, and the start was good, with sales reaching a new record.
In addition, in response to the recent

Xichai and Xiwo carry out in-depth cooperation


Xichai and Xiwo, one of the active entrants to the passenger car engine market, and one of the loyal defenders of domestic high-end passenger cars. Will the combination of the two change the pattern of China's high-end bus market? Will China's passenger cars upgrade their high-