Volatile substances in automotive interior materials condense into fog on the windshield after being volatilized by heat. This kind of condensation phenomenon of volatile substances in the glass of automotive interior parts is called fogging, also known as kno…
On November 26, Liu Pengfei, spokesperson of the Ministry of Transport, told the 21st Century Business Herald that the Beijing-Tianjin-Hebei coordinated transportation integration plan (2014-2020…
Every day, at least 8,000 school buses in Hubei Province are on the way to school and school. However, most of these school buses are not professional school buses, but are handled by ordinary commuter cars. Some of them have not been put into operation on the line.
On November …
With nearly 100,000 visitors visiting the Milan Expo 2015 every day, this is not only a historic event for Milan, but also a great challenge for Amsa. Amsa is responsible for recycling waste, cleaning streets and providing environmental services in Milan. In order to meet these needs…
Maintaining the synchronous operation of the power system generator is a necessary condition for the normal operation of the power system. Therefore, the concept of static and transient stability of the power system is also based on whether any generator in the power system loses synchron…

With the development of modern standards, science and technology are increasingly advanced. Many machines are in the situati…
The permanent magnet brushless DC motor has simple structure, no commutation spark, good speed regulation performance, reliable operation and no excitation loss, so it is more and more widely used in various fields.
In recent years, due to the development of power electronics technolo…
Recently, Mann Diesel & Turbo announced that its MAN 32/44 common rail engine (rated at 3,600-12,000 kW) has been certified by the US Environmental Protection Agency as a requirement for all engines mounted on US flag ships. .
Chuck Griffith, North American sales manager for Man…