Preparation method of gadolinium oxide
Gadolinium oxide is a white odorless amorphous powder, with the chemical formula Gd2O3. Insoluble in water, soluble in acid to form the corresponding salt.
Gadolinium oxide is a white odorless amorphous powder, with the chemical formula Gd2O3. Insoluble in water, soluble in acid to form the corresponding salt.
Since 2022, Russia-Ukraine geopolitical conflicts have intensified, and global energy prices have risen sharply, with international natural gas prices hitting historic highs. As the most important transitional energy source in the transition from fos
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Hafnium boride, gray with metallic luster crystals. The melting point is 3250 degrees Celsius, the conductivity is large, and the chemical properties are stable.
Vanadium nitride is known as VN powder, it is an important vanadium alloy additive, and vanadium nitride is used in lithium electronic batteries and energy storage materials.
International oil prices extended their decline after comments from Federal Reserve Chairman Jerome Powell added to concerns that U.S. interest rate hikes will slow economic growth and data from the American Petroleum Institute showed U.S. crude inve
Boron carbide (B4C) is an extremely hard boron-carbon ceramic and covalent material used in tank armor, bulletproof vests, engine damage powder, and many industrial applications.
Chromium carbide powder is a high melting point inorganic material with good wear resistance. It is used as a thermal spray material for metal surface protection and is also commonly used as cemented carbide.
Calcium stearate powder is widely used in food, medicine, cosmetics, plastics, rubber and other industries, mainly used as lubricants, emulsifiers, stabilizers, mold release agents, accelerators, cosmetic basic materials, etc.
Elon Musk, silicon Valley's "Iron Man" and the world's richest man, is set to head social media giant Twitter, following in the footsteps of car startup Tesla And Space exploration company spacex.
Wholesale gas prices in the Netherlands and the UK have risen 20 percent recently amid concerns about Russian supplies.The EU plans to cut its dependence on Russian gas by two-thirds this year and stop importing Russian fossil fuels by 2027. Russia e
Weaker overseas demand for durable consumer goods combined with a rebound of the epidemic at home kept China's export growth on a downward trend. The month-on-month growth rate in March was significantly lower than the seasonal trend after excluding