Preparation method of gadolinium oxide
Gadolinium oxide is a white odorless amorphous powder, with the chemical formula Gd2O3. Insoluble in water, soluble in acid to form the corresponding salt.…
Gadolinium oxide is a white odorless amorphous powder, with the chemical formula Gd2O3. Insoluble in water, soluble in acid to form the corresponding salt.…
About Silicon Nitride Si3N4 Powder:The silicon nitride composition is silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride. It is white solid with a high melting point, relative chemical inert, diluted HF and hot H2SO4 atta…
The market price of eels bermuda triangle Eel contains a lot of nutrients, high vitamin content, can quickly restore human energy. Eel skin and fish contain a large amount of collagen, which can play a role in b…
Nitinol contains 50% nickel and 50% titanium, that is, the components of nickel and titanium are equally divided, each accounting for half.…
Polycarboxylic acid superplasticizer has been widely used in many construction fields. Modern concrete has high requirements for additional functional additives, so polycarboxylic acid water-reducing agent in the concrete system, it should consider…
The purity of carbonaceous raw materials such as petroleum coke and pitch coke is relatively high, and the ash content is usually less than 0.5%, while the purity of natural graphite treated by flotation is relatively low, and the carbon content is u…
Algeria, another big North African country, also has new import and export rules, following an announcement by Egypt's central bank that Egyptian importers will only be able to use letters of credit from March.…
According to the monitoring of the Ministry of Commerce, last week (May 3-9), the national market price of edible agricultural products dropped 0.2% from the previous week (the same below), and the market price of production materials rose 1.3% from…