Aeronautical bearings are one of the core components of aero-engines. They have the characteristics of high temperature, high speed, large load, complicated force, and harsh working environment. In theory, the most direct way to improve the…
Breakthrough in research and development of layered zirconium disilicide, the significant anti-oxidation effect at high temperature…
An Overview of Zinc Sulfide Zinc sulfide , an inorganic compound used as a pigment in optical coatings. It is also present in luminescent dials. This article will provide an overview of the chemistry of Zinc sulfide. This article will provide furthe...…
A tanker carrying 650,000 barrels of Venezuelan crude oil is reportedly bound for Europe, the first time Venezuela has exported crude to Europe in the past two years under US sanctions. It is analyzed that the U.S. is making up for the European ener…
Manganese dioxide is an inorganic compound with a chemical formula of MnO2. Manganese dioxide is a black amorphous powder or black orthorhombic crystal.…
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