The chemical formula of chromium diboride is CrB2, which is a crystal with high hardness and melting point, and is chemically stable. Concentrated nitric acid is insoluble and can be directly mixed with elements or made from active metal reduction ox…
The return of The United 777 provides "material" upside for cargo United airlines is to add a lot of freight to its fleet capacity, 52 Boeing 777-200 large aircraft have been grounded for mor…
The energy dispute between Russia and the European Union has intensified, with a rise in oil prices of more than 5% affecting the price of trailer safety chain…
Steel processing industry - Current status of the aluminium coil slitting line Growth in the construction, automotive and consumer aluminium coil slitting line has played a big role in providing the needed boost to the global steel proce…
Foam stabilizer, also known as concrete foam stabilizer, is the most important foam stabilizing component in the foam agent. Among the various factors that stabilize the foam, the foam stabilizer is the first influencing factor. It is usually added t…
It is reported that the price of imported energy in Germany was 129.5% higher than that in February 2021, the cost of domestically produced en…
French scientists have confirmed for the first time through genome sequencing that the "deltacron" variant of the new coronavirus that has previously attracted a lot of attention does exist, which combines the mutations in the new coronavirus delta v…
The most representative structural steel product among special steel products has shown a strong upward momentum this year. After the Spring Festival, steel prices have risen by 300-400 yuan/ton, setting new highs several times over the past 10 years…