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…
IN-738 is a vacuum investment casting precipitation hardening nickel-based superalloy containing four refractory elements (Nb, Ta, Mo, W).…
Titanium nitride is a compound with a molecular formula of TiN and a molecular weight of 61.88. The tiN powder is generally yellowish-brown, the ultrafine TiN powder is black, and TiN crystals are golden yellow.…
Manganese dioxide is one of the indispensable raw materials in industrial production. It is widely used in various industries. The following small series will introduce the primary uses of manganese dioxide.…
22 common senses that must be understood in engraving machine engraving processing.…
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