In international trade, the indirect and local inspection of import and export commodities is closely related to the vital interests of buyers and sellers, as it involves inspection rights, inspection agencies and related claims.…
According to reports, a few days ago, a case about the alleged abuse of animals in livestock transportation ended in the captain's conviction, and the shipowner and the beneficiary cargo owner were not criminally punished.…
FCL by sea is similar to LCL LCL, except that the FCL is self-picked up to the factory to compete for logistics warehouse packing, while LCL is to row the goods to the designated assembly yard competition warehouse, and the assembly yard will pick up…
Due to high cargo volumes, the Port of Houston in the United States will collect an overtime detention fee at its Hayabusa Loading Terminal from February 1, 2023. A report…
The polymers obtained by the polymerization of acrylic acid and its esters are collectively referred to as acrylic acid tree esters, and the corresponding plastics are collectively referred to as polyacrylic plastics, of which polymethyl methacrylate…
The applications of g raphite…
Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Recently, the International Energy Agency released its monthly report on the oil market. Affected by hot weather and soaring natural gas prices, some countries have had to change their ways of generating electricity and switch to oil-fired power gene…
The US President recently said the conflict between Russia and Ukraine had driven up the prices of all the world's major food staples, including wheat, corn, barley, oilseeds and edible oils, and that Russia and Ukraine together supplied more than 25…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa…
A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet com…
Saudi Aramco, the world's largest oil company, released a briefing showing a profit of 181.64 billion Saudi riyals in the second quarter of 2022, once again setting a record for quarterly earnings after the company went public in 2019. Continue to ma…
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…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…