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On December 21, the commissioning ceremony of the Kovykta gas condensate field in Russia's Irkutsk region and the Kovykta-Chayanda section of the "Power of Siberia" gas pipeline was held simultaneously in several places in Russia. Russian President V…
On December 21, the commissioning ceremony of the Kovykta gas condensate field in Russia's Irkutsk region and the Kovykta-Chayanda section of the "Power of Siberia" gas pipeline was held simultaneously in several places in Russia. Russian President V…
Official French data shows that for three consecutive days, there were more than 140,000 new confirmed cases in a single day in France: 145,560 new cases on the 23rd, 148,635 new cases on the 24th, and 143,571 new cases on the 25th. The daily average…
Zhitong Finance APP learned that on July 21, affected by the news of strong steel prices, the A-share steel sector continued to rise. As of press time, Baotou Iron and Steel (600010.SH) has a daily limit; Yongxing Materials (002756.SZ) rose by more t…
Molecular sieves are materials with holes of uniform size (very small holes). These pores are similar in size to small molecules, so large molecules cannot enter or be adsorbed, while smaller molecules can.…
Polypropylene PP fiber has the advantages of high strength, good toughness, good chemical resistance and antimicrobial resistance, and low price, so it is widely used in ropes, fishing nets, safety belts, luggage belts, safety nets, sewing threads, c…
all graphite materials obtained by organic carbonization and then graphitization at high temperature can be called artificial graphite, such as carbon fiber, pyrolytic carbon, foamed graphite, etc…