Yellow white waxy solid/glue body. Soluble in water, ethanol, slight solubles in acetone, insolubles in diethylether and benzene. Dodecy dimethylbenzyl ammonium bronmide Dodecy dimethylbenzylammonium bromide can be obtained from natural plant coco…
Due to the global shortage of automotive chips, in the past year, the price of STL9369, the core chip of the body electronic stability system produced by STMicroelectronics, has skyrocketed from 20 yuan to 2,800 yuan (excluding tax), a year-on-year i…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…
In the medium term, China's domestic iron ore demand will maintain a marginal weakening trend. On the one hand, in the "strong infrastructure and weak real estate" pattern, the end demand improvement is expected to be weak, iron ore demand will also…