Preparation method of tungsten boride
Tungsten boride is a black powder with the following physical properties:molecular formula WB2,with metallic conductivity,soluble in aqua regia.
Tungsten boride is a black powder with the following physical properties:molecular formula WB2,with metallic conductivity,soluble in aqua regia.
Under the premise of ensuring the quality of concrete, early strength agent can greatly shorten its final setting time, make it as early as possible, and then accelerate the turnover of template, save template dosage.
Copper is the earliest discovered chemical element. Its chemical symbol is Cu, atomic number is 29, and atomic weight is 63.546 U.
Does the decline in commercial truck sales have an impact on the market for side tipper? Recently, China Automobile Association rel
Spherical quartz powder, also known as spherical silica powder, refers to the amorphous quartz powder material in which a single particle is spherical and the main component is silica. It is mainly used for copper and epoxy plastic packaging in large
The TR-B (foaming agent) can be mixed with cement slurry to produce lightweight porous concrete. Dilute TR-B (foaming agent) with water, isolate it from the foam machine to obtain foam, and mix the foam with cement and gypsum mortar to obtain an insu
In this article, we will talk about the problems when water reducer meets different kinds of cement and solutions.
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c
Manganese oxide is an inorganic compound with the molecular formula of manganese dioxide. This black or brown solid naturally exists as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules.
Rise and rise, the price of lithium battery raw materials doubled Many countrys power lithium battery industry has grown from scratch, from small to large, and has developed rapidly. The industrialization process of power lithium batteries has been i