Cuprous oxide is a bright red powder, almost insoluble in water, decomposed into divalent copper and copper in acidic solution, and gradually oxidized into black copper oxide in humid air. Commonly used as a pigment, biocide and antifouling agent in…
Silicon carbide (SiC) is a lightweight ceramic material with high strength properties comparable to diamond. Nano-silicon carbide has excellent thermal conductivity and is also a kind of semiconductor, which can resist oxidation at high temperature a…
Boron carbide B4C powder has the characteristics of high melting point, high hardness, high modulus, low density), good wear resistance, strong acid and alkali resistance, good neutron absorption capacity, low expansion coefficient, thermoelectric pr…
Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of…
Aluminum nitride is an atomic crystal, belonging to diamond-like nitride, hexagonal, wurtzite crystal structure, non-toxic, white or off-white. Aluminum nitride is a good thermal shock material.…
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.…
Recently, the Russian President hosted a meeting with oil and gas industry representatives. He said that the refusal of some Western countries to cooperate normally with Russia and deny some Russian energy resources has hit millions of European peop…
Graphene — a two-dimensional carbon film just one atom thick — is an excellent material.…
In this article, we will talk about the problems when water reducer meets different kinds of cement and solutions.…
Inconel 718 or In718 is a nickel-chromium-molybdenum alloy. It is an oxidation-resistant and corrosion-resistant material ideal for use in extreme environments under pressure and heat.…
Solid-state batteries use solid-state electrodes such as lithium metal and solid-state electrolytes, which usually have high energy density and can avoid the risk of fire. However, the interface between the solid electrolyte and the electrodes on bot…
Gasoline prices at gas stations in the second week of March rose 97.6 won from the previous week to 1,861.6 won per liter. Although the average price for a week did not exceed 1,900 won, the price in the second half of the week in Seoul exceeded 2,00…