The Mid-Autumn Festival originated in China and is held on the 15th day of the eighth lunar month every year, usually from early September to early October in the Gregorian calendar. The Mid-Autumn Festival is also a traditional festival in some countries in East Asia and Southeast Asia, especially for local Chinese. The eighth month of the lunar calendar is the second month of autumn, which was c
Sanitizing swimming pool water has been a headache for years. If treatment agents are not used, the pool water needs to be changed frequently, otherwise bacteria are easy to grow, the pool walls adhere to a layer of slippery and dirty microbial algae, and the pool water will emit an unpleasant smell. At present, most domestic swimming pools use bleach Ca (CIO)2 for disinfection, but Ca(CIO)2 is ea
The recent rise in the dichloromethane market has not continued, but has turned downward. According to the financial report, as of August 21, the average price of dichloromethane was 2,660 yuan/ton, a weekly decline of 5%.
In modern sports, the integration of science and athletics is becoming increasingly vital. The power of chemistry plays a crucial role in training, recovery, and enhancing athletes' performance. chemical advancements are helping athletes push their limits.
Stearic acid is a fatty acid widely found in nature. It has the chemical properties of general carboxylic acids, the structural formula is: C18H36O2. It is produced by the hydrolysis of oils and fats, is a white waxy transparent solid or a slightly yellow waxy solid. It can be dispersed into powder and has a slight smell of butter. Almost all oils and fats contain stearic acid in varying amounts.
The 2024 Olympic Games will be held in Paris, France from July 26 to August 11. There are still many things to look forward to for the Chinese delegation: First of all, from the perspective of the participating teams, the Chinese delegation has sent a total of 405 athletes to this Olympic Games, including 42 Olympic champions, which is also the largest number of Olympic champions in the history of
DINP and DIDP are more than 50% less volatile than DOP. During processing, they can reduce the loss of plasticizers and reduce the amount of volatile organic compounds lost. Most importantly, in the final product, lower volatility can reduce fog deposition on car windshields.
In May, PVC SG5 products were affected by the maintenance period of enterprises. The upstream source factories had a significant reduction in production for maintenance, and the domestic PVC SG5 product prices rose to a certain extent.
