According to the British "New Scientist" magazine website reported on the 24th, US scientists use laser cooling technology, for the first time will be three atomic molecules cooled to near absolute zero (-273.15 ℃), which is the technology so far the largest molec.......
In 2016, the sales volume of passenger cars in China's auto market reached 24.377 million units, a year-on-year increase of 14.9%. At the same time, favorable factors such as the continuation of purchase tax incentives.......
Alger consulted with S&A by email.......
Advantages, even water-cooled sandblasting plates with different sand cores can be used for reforming: For example, our factory has used 6100 cylinder block water jacket sand core hot core box water-cooled sand shooting board to be modified, used for 4110 cylinder block cam chamber sand cor.......
Process tin electrolytic recovery of silver from anode mud byproduct metallurgical provide part of silver. Tin is an excellent collector for silver and go.......