Carbon-based dimili is a kind of compound with strong reactivity. It can react with a COOH, an NH2, an OH and other functional groups to synthesize many ketone, ester, urea and other compounds that are difficult to be obtained by general methods. For exam
Zirconia Inserts for Tundish Nozzle are high-quality refractory components designed to enhance the performance and durability of tundish nozzles in steel continuous casting processes.
The Refractory Nozzle Upper Nozzles for Tundish is a kind of refractory material used in the process of molten steel treatment. Tundish is a temporary storage container for molten steel before it is poured into continuous casting machine from converter or
Hexagonal bolts refer to fasteners composed of heads and screws. Bolts are classified into iron bolts and stainless steel bolts according to their materials.
It is not only a necessary nutrient element for plants, but also participates in the activities of various enzyme systems in plants,such as increasing carbohydrate content, promoting flowering and fruiting