Concrete superplasticizer is high efficienct water reducing agent. Its difference from ordinary water reducing agent lies in the high-water reduction rate. The water reduction rate of ordinary water reducing agent is generally 5%-10%, and the water r…
The maintenance of lithium batteries has always been a controversial issue on the Internet.…
What is aluminium nitride (AlN)?Aluminum nitride (a covalent-bond compound) is an atomic-crystal belonging to a diamondlike nitride. It is non-toxic with a white or grayish white color. Aluminum nitride formula AlN. Aluminum nitride, which is metal-t…
A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet com…