The application of fourth-generation and fifth-generation rapid test kits is currently high. The adoption and innovation of digital HIV self-testing tools have increased in recent times, with website-based innovation becoming highly popular.…
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…
Niobium carbide (NBC and Nb2C) is a very hard refractory ceramic material, widely used in refractory high temperature materials and cemented carbide additives.…
Tungsten Oxide WO3 is also called tungsten trioxide. Tungsten trioxide is an inorganic substance, chemical formula WO3, is a light yellow crystalline powder. Insoluble in water, soluble in alkali, slightly soluble in acid.Used for making high melting…
Boron nitride is a crystal composed of nitrogen atoms and boron atoms.The chemical composition is43.6%boron and56.4%nitrogen,with four different variants:hexagonal boron nitride,rhombohedral boron nitride,cubic nitride Boron,and wurtzite boron nitrid…
Tungsten boride is a black powder with the following physical properties:molecular formula WB2,with metallic conductivity,soluble in aqua regia.…
Silicon sulfide, the molecular formula is SiS2. White fibrous orthorhombic or tetragonal crystals are stable at normal temperature and pressure.…
Molybdenum disulfide has the chemical formula MoS2 and is used as a dry lubricant in greases, dispersions, friction materials and bond coatings.…
Titanium carbide TiC powder is a crystalline solid with gray metallic luster, hard quality, second only to diamond in hardness, and weaker in magnetic properties. For the manufacture of cemented carbide, also used as electrodes and abrasives for arc…
Calcium silicide is used in the manufacture of special metal alloys, for example for phosphorus removal and as a deoxidizer. Calcium silicide is used in the manufacture of special metal alloys, for example for phosphorus removal and as a deoxidizer.…
Zinc sulfide ZnS is an inorganic compound, which is a white or light yellow powder with excellent fluorescence effect and electroluminescence function, especially nano-zinc sulfide has a unique photoelectric effect, which is used in electricity, magn…
Molybdenum disulfide is the main component of molybdenite. Black solid powder with metallic luster.…
Green chrome oxide (Cr2O3 powder) is extremely stable and have excellent weather resistance. It's insoluble in water, acid and organic solvents, slightly soluble in sodium hydroxide solution, only soluble in hot sodium bromate solution, hot concentra…
Boron carbide (B4C), also known as black diamond, is gray-black and is a very hard man-made material.…