At this moment, global greenhouse gas concentrations have once again set a new historical record. The environmental problems caused by this phenomenon have attracted more and more people's attention and concern. To cope with this problem, the decarbo…
Teslas vice president of legal affairs and acting general counsel, Alan Prescott, has left the electric vehicle leader to join lidar company Luminar as a chief legal officer, according to media reports on Wednesday. In response to an interview with t…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
The manufacture of nanodiamonds , especially its application, has been a hot research topic for scientists from various countries in recent years. Nano-diamond has been developed more than 30 years ago, but its application was limited to the…
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…