According to the United Nations website, in the past week, countries reported an 8% increase in new crown cases to the WHO, with more than 11 million positive tests. Tedros noted that although some countries hav…
It is understood that since April, many titanium dioxide companies such as Anada, Dawn Titanium, Donghao Titanium, Jiangsu Zhentai, Tianyuan Co., Ltd. have also sent letters to increase the price, and the short short holiday did not stop the chemical…
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…
Graphite has many excellent properties, so it is widely used in metallurgy, machinery, electrical, chemical, textile, national defense, and other industrial sectors.…
Foam concrete wall casting methods can be divided into three types: removable formwork casting, formwork-free casting and sandwich wall casting. Among these three types of casting methods, the mold-free casting method is widely used.…
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