White odorless amorphous powder, insoluble in water, soluble in acid. When exposed to the air, it is easy to absorb moisture and carbon dioxide in the air and deteriorate. It is a highly alkaline oxide that can react with carbon dioxide to f…
The most popular app in the Apple App Store during Christmas is the Oculus virtual reality app. Although the App Store ranking is not perfect, it can well reflect the popularity of the app at a certain moment. As far as Meta is concerned, t…
Russian president demanded that exports of Russian gas to "unfriendly" countries be settled in rubles. The demand has raised concerns in Germany about possible supply disruptions and the impact on industry and households if utilities do not pay in ro…
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…
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