According to foreign media reports, diamonds are forever and gold is precious, but which one is rarer? Is their rarity proportional to the price of jewelry in a jewelry store? In fact, the answer may not be as obvious as you might think. Gold, a heav…
New materials including the molybdenum disilicide market trend is one of the main directions of science and technology development in the 21st century With the development of science and technology, people develop new materials molybdenum disilicide…
What is gallium-nitride? A semiconductor material used in broadband GAP composite materials is gallium-nitride. The third party calculated that the GAN mobile charger may reduce the device's weight up to 40%, or provide more power for the same dimens…
A lead-acid battery (VRLA) is a battery whose electrodes are mainly made of lead and oxides, and the electrolyte is a sulfuric acid solution.…
Concrete waterproofing agent can significantly improve the impermeability and waterproofing of concrete, and the impermeability grade can reach P25 or higher. It is especially suitable for concrete for bungalow roof, large volume waterproof concrete,…