Silicon nitride is a kind of ceramic material with excellent thermal and chemical properties, which has high hardness, stable structure, low coefficient of thermal expansion, good oxidation resistance and corrosion resistance.…
Silicon nitride is a compound of silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride.…
The roble had hit a record low after the West imposed sweeping sanctions on Russia for its aggression in Ukraine. Russia's president recently ordered exports of Russian gas to "unfriendly" countries to be settled in robles. The speaker of Russia's up…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. Wit…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
What is aerogel Powder? Gel powder has an extremely low density. The lightest gas gel is 0.16mg/cm3, which is slightly less than air density. This is why it is sometimes called "frozen" or "blue smoking". It is easy to see that the particles are tiny…
The supply of drugs used to fight opioid addiction has declined during the pandemic The per capita supply of methadone in the United States dropped 20 percent from the first quarter of 2020 t…
Iron Boride is also known as chemical constitutive. Iron Boride can also be called the homobic grey orthogonal quiarz. It can melt at 1652 degrees Celsius. It is 7.15g/mL in density. Purity>99 Particle sizes: 20-40um Iron boride (FeB); boranylidyn…