It is reported that tourism revenue in 2020 will drop sharply to 17.45 billion euros, a decrease of 26.85 billion euros from 2019. Carlo Sangalli, chairman of the Federation of Italian Chambers of Commerce, said that the current situation in the nati…
The vaccine is already available, but the epidemic is still getting worse. The number of newly diagnosed new crown cases in Germany has exceeded 20,000 daily, and the disease control department expects that the future will continue to "significa...…
It is reported that the term "carbon neutral" has been frequently mentioned in South Korea in the past six months. Last October, South Korean President Moon Jae-in mentioned South Korea 2050 emission reduction target for the first time in h...…
The high purity spherical Tungsten powder preparation method can be divided into: reduction method, electrolysis method, grinding method, atomization method, etc. according to the preparation process. At present, the two most advanced powder making p…
There are many types of printers. In addition to our common printers for printing some flat documents, there are also 3D printers. 3D printers are also called three-dimensional printers and three-dimensional rapid prototyping machines. They are a cum…
TRUNNANO is a reliable supplier for Sorbitan monooleate CAS 1338-43-8.…
According to the chemical composition, water reducing agent is usually divided into lignosulfonate type of water reducing agent, naphthalene series of high-efficient water reducing agent, melamine series of high-efficient water reducing agent, amino…
Silicon nitride is used as high-grade refractory material, such as SI3N4-SIC refractory combined with sic for blast furnace shaft and other parts…