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Japan surpassed the U.S. in the number of new coronavirus cases last week as the local epidemic worsened sharply. Medical experts have warned that Japan's medical system could be in…
In fact, from the mobile phone accessories industry category, charger or just the tip of the iceberg. The research found that mobile phone accessories can be roughly divided into built-in mobile phone accessories and external mobile phone accessories…
The Investor Survey Minutes released by CATL in May pointed out that the shortage of supply chain resources and insufficient localized supply is one of the company's urgent problems to solve. Another battery manufacturer Yiwei Lithium also disclosed…
What exactly is aerogel powder? Aerogel powder refers to silica aerogel. It was made first by Kistler (1931) and his colleagues. You can find many types of aerogels such as silica, carbon, sulfur and metal oxides. If the gel is capable of removing an…
At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of concrete.…