3-12 Kinds of Concrete Additives Used in Refractory Castable, Plastic and Ramming Materials (3)
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…
Metal 3D printing is a 3D printing technology that uses metal powder to directly print metal parts, also known as metal powder sintering (SLM).…
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…
A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
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…
Magnesium Granules, also known as light alkaline earth metallics in silvery white color, are available. It has a high chemical activity and can produce hydrogen when it reacts with acids. It has a certain degree of ductility and heat-dissipation. Pur…
US President recently decided to invoke a Cold War-era defense law to encourage domestic boron nitride. Hexagonal boron nitride (H-BN) is a two-dimensional layered broadband-gap insulating material with good heat resistance, chemical stab…
The disclosure of annual reports of listed companies is accelerating, and the overall performance of the chemical industry is quite good. More than 70% of the companies that have announced their performance forecasts are expected to increase. Since t…