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 to pa…
Applicationof modified foaming agent in rubber field Thefoaming agent is formed by irregular stacking of tetrahedrons formed by Siatoms as the center and O atoms as the apex. It is an amorphous white powderand is a non-toxic, odorless, and non-pollut…
Official French data shows that for three consecutive days, there were more than 140,000 new confirmed cases in a single day in France: 145,560 new cases on the 23rd, 148,635 new cases on the 24th, and 143,571 new cases on the 25th. The daily average…
Superalloys or high performance alloys are non-ferrous alloys that exhibit excellent strength and surface stability at high temperatures.…