China's trade in goods totaled 23.6 trillion yuan in the first seven months of this year, up 10.4 percent year on year, according to the General Administration of Customs. Foreign trade has overcome many adverse effects and achieved rapid growth. Dol…
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
New materials for a sustainable future you should know about the oleate soap. Historically, knowledge and the production of new materials oleate soap have contributed to human and social progress, from the refining of copper and iron to the manufactu…
Phosphide nanoribbons achieved the desired effect in the first demonstration about the market name introduction Researchers have incorporated phosphorene nanoribbons into new types of solar cells, greatly improving their efficiency. Phosphotene nanor…