Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
What is the use of cobalt-chromium-molybdenum alloy?…
Foam cement is a kind of new light insulation material containing a large number of closed pores.…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not t…
What is gallium-nitride? GAN, which is the third-generation of semiconductor materials after SIC and Diamond, and other materials such as first generation GE, SI conductive materials and second-generation GaaS, INP INP composite semiconductor substan…