Fundamental features of B4CBoron carbide (B4C) is a not natural substance with a strong framework, mostly made up of boron and carbon aspects. Its exceptional residential properties in various applications make it an important useful material. The th…
How to judge the 1305 bearing failure A sound meter is used to check the size and sound quality of the rolling sound of the 1305 bearing in operation. Even if the bearing is slightly damaged such as peeling, abnormal and irregular sounds will be emit…
European Commission President Ursula von der Leyen recently called on India and other countries to support sanctions against Russia over the Ukraine incident. At The Raisina Dialogue forum, von der Leyen said, "We earnestly appeal to all members of t…
Risk aversion plunged on the positive news of the Russia-Ukraine talks. After several days of rising oil prices, the price of precious metals continued to fall. Domestic futures markets remain stable for the time being.Back in international markets,…