Acrylic, also known as PMMA or plexiglass, is derived from English acrylic (acrylic plastic), and the chemical name is polymethyl methacrylate. It is an important plastic polymer material developed earlier, with good transparency, chemical stability,…
More than 300 public aquariums worldwide, and more than 100 have opened since 1990. According to incomplete statistics, aquariums (including those in zoos) attract up to 450 million visitors yearly, with far-reaching economic and educational implicat…
The aquarium is a place for aquatic life display and popular science education, as well as a place for aquatic life resource protection and scientific research. Aquariums can specialize in marine life, freshwater life, or both; there are public aquar…
The Global Silicon Metal Market Generally, there are two different types of silicon metals. One is called the Chemical grade and the other is called the Metallurgical grade. These t…
The Global Silicon Metal Market Generally, there are two different types of silicon metals. One is called the Chemical grade and the other is called the Metallurgical grade. These t…
Market trend of ceramic sand alloy steel precision casting The global market sales of…
According to data statistics in September, black commodity prices as a whole show the first inhibition followed by upward trend, September 21 the Federal Reserve interest rate policy landing is an important time node. On the one hand, due to the impa…
According to data statistics in September, black commodity prices as a whole show the first inhibition followed by upward trend, September 21 the Federal Reserve interest rate policy landing is an important time node. On the one hand, due to the impa…
With the energy crisis, high inflation, and aggressive interest rate hikes by the European Central Bank, the economic outlook of the eurozone faces severe challenges. On September 13, local time, the European Economic Research Center in Germany relea…
Global inflation is running at its fastest pace in decades this year as high and persistently volatile commodity prices, coupled with the impact of the Russia-Ukraine conflict on slowing global growth, have significantly slowed economic growth and th…
Continental natural gas futures closed up 6.7% Thursday at a record high, with European gas prices already ten times higher than usual for this time of year. Benchmark electricity prices in Europe also hit a new record Thursday, deepening an energy c…
The Nordic electricity market (Nord Pool) is reported as saying that electricity prices in Denmark are now three times higher than they were this time last year. Martin Hansen, deputy hea…
Application of spherical roller bearingcontinuous casting machine In the metallurgical industry, sphericalroller bearings (SRB) are mainly used in the motion track of continuous caster,hot rolling and heating furnaces. The caster has the characterist…
After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
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.…