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…
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
Fumed silica has a strong thickening effect. Primary particle size is 5–50 nm. The particles are non-porous and have a surface area of 50-600 m2/g. Used as a general purpose thickener and anti-caking agent (free-flowing agent) in powders.…