Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…
What is copper oxide?Copper oxide is an inorganic substance. Copper oxide chemical formula is CuO. It is a black oxide of copper. Slightly bisexual and slightly hygroscopic. Insoluble in water and ethanol, easily soluble in acid, thermally stable, de…
Expandable graphite or exfoliated graphite is made from the naturally occurring mineral graphite. The layered structure of graphite allows molecules to be inserted between the graphite layers. By adding acid, graphite sulfate can usually be converted…
What is the use of aluminum oxide?Medical professionBecause of its hardness, bioinertia and chemical properties, alumina is the preferred material for hip replacement bearings, such as prosthetics, bionic implants, prosthetic eye substitutes, tissue…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
What is copper and nickel alloy called?There are a series of different CuNi alloy, which have different properties and can be used for different purposes, including:Cupronickel: containing 60-90% copper.Constantan: 45% nickel.Monel: at least 52% nick…
Us consumers have filed a lawsuit against Mars in a California court on last Thursday, claiming that Skittles contains too much titanium dioxide (E171). Is titanium dioxide harmful to the body?Titanium dioxide is an additive used in pigments, adhesiv…
Sodium silicate is a kind of inorganic substance and its chemical formula is Na2O·nSiO2. It is a colorless, slightly colored translucent or transparent bulk vitreous body. Its aqueous solution, also known as water glass, waterglass, or liquid glass,…
What is graphite powder used for?It can be used as demoulding lubricant in the production of chemical fertilizer industrial catalyst.Graphite powder has the characteristics of high-temperature resistant and high lubricity, so it can be used as high t…
According to the real-time statistics of the world meter, as of around 6:30 on June 6, 2022, Beijing time, 535316817 cases of COVID-19 have been confirmed in the world, and 6320250 cases of death have been confirmed in the world. There were 317372 ne…
Kyodo News on May 31, NEC President Tayuki Morita recently interviewed by Kyodo news, revealed plans to strengthen support to emerging market countries. Specifically, NEC will work with international organizations led by the United Nations World Food…
In May, Spain and Portugal approved 12-month caps on gas prices for power generation to smooth out electricity prices and ease the burden on industry and residential users. Spain's…
The first typhoon unit of the Hywind Tampen floating offshore wind project, which will provide partial power to the Snorre and Gullfaks offshore fields near Norway, has been lifted.…
Steel processing industry - Current status of the automatic cut to length line Growth in the construction, automotive and consumer…
Are rising COVID-19 infections and hospitalizations in the United States affecting the market for viral dna extract As health officials warn that COVID-19 infections and hospitalizations are…
Local time Wednesday, the three major U.S. stock indexes closed down, the Dow fell 1.02%, has fallen for five consecutive trading days; The Nasdaq fell 3.18% and the S&P 500 fell 1.65%. Techn…
Local time Wednesday, the three major U.S. stock indexes closed down, the Dow fell 1.02%, has fallen for five consecutive trading days; The Nasdaq fell 3.18% and the S&P 500 fell 1.65%. Techn…
Amazon's shares fell on a bleak outlook and its slowest growth since the dot-com bubble burst Amazon shares fell 10% in extended trading on Thursday after the company issued a revenue forecast that fel…
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.…