·Italian Prime Minister Conte signed a decree on the 22nd, deciding to strengthen further the new crown pneumonia epidemic prevention and control measures from the 23rd and to suspend all non-essential non-critical production activities and…
Amazon has 150 million paid Prime members worldwide, and members can receive the goods 2 or 1 day after the order is placed, and now member delivery is also affected. Such as Prime Now (the same day service) and Amazon Fresh grocery service,…
Silicon nanoparticles refers to crystalline silicon particles less than 5 nanometers (1 billion (1G) of a meter) in diameter. Nano silicon powder has the characteristics of high purity, small particle size, and uniform distribution. With th…
Recently, the research team of Professor James C. Bird of Boston University found that surface tension is the decisive factor leading to the rupture of bubbles in viscous liquids, overturning the traditional belief that gravity is the decisi…
The longer stacking sequence results in the α-phase having higher hardness than the β-phase. However, the α-phase is chemically unstable compared with the β-phase. When a liquid phase is present at high temperatures, the α-phase always transforms int...…
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…
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