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…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
The U.S. CPI rose 1.2% month-on-month as expected in March, the highest since October 2005; this made the indicator up 8.5% year-on-year, higher than the expected 8.4%, and the highest since December 1981 (nearly 40 years).…
Castor oil and sulfuric acit is neutralized to make an anionic surfactant. This soap is more easily dispersed than normal soap in water. It has better acid resistance, hard-water resistance, and emulsification. Castor-oil sodium sulfate salt: Cast…