As the European Union tries to reduce its dependence on Russian energy, the Russian president recently said Russia would try to shift its energy exports to the east, adding that there was no way for European countries to give up Russian gas immediate…
Tungsten dioxide is its name. Formula: 247.97 Molecularweights W2. Additionally, hexagonal packaging is 99.9% pure About Tungsten Disulfide WS2: Tungsten disulfide This metal can be mixed with other metals, such as tungsten or sulfur. T…
The composition of titanium alloy TC4 material is Ti-6Al-4V, which belongs to (α+β) type titanium alloy and has good comprehensive mechanical and mechanical properties.…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…