British media have reported that scientists made a major discovery - the conversion from radio signals into electricity. Popularly speaking, this is power generation via WiFi! We may see battery-free phones and battery-free laptops in a not-too-dista…
There are many types of lubricants available, from motor oils to special lubricants such as lithium-based lubricants.…
The graphite lubricant powder The graphite lubricant powder has good chemical stability. Specially processed graphite lubricant powder has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely used…
Polyoxyethylene(20)sorbitan trioleate is used as an emulsifier, stabilizer, wetting agent, diffuser, penetrant, etc. About Polyoxyethylene(20)sorbitan trioleate: Polyoxyethylene(20)sorbitan trioleate is a pale yellow oily substance, slightly bitt…
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.…
Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…