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…
Eu foreign ministers meet in Brussels on May 16th. The meeting failed to agree on the sixth round of sanctions, including an oil embargo on Russia, because of objections from Hungary. Eu Foreign Policy…
he compatibility of cement foaming agents and the foaming machine is the first consideration. Because there is a problem with compatibility between cement foaming agent and cement foaming machine.…
Amorphous boron powder is a black or dark brown powder and is an important energy material. Amorphous boron powder is widely used in metallurgy, electronics, medicine, ceramics, nuclear industry, chemical industry and other fields.…
The China Securities New Energy Vehicle index rose as much as 4.1 percent after a strong rally in lithium-ion shares on the Chinese stock market. Brokerages said lithium enterprises would usher in marginal expectations, and currently, it may be the b…
Superalloys or high performance alloys are non-ferrous alloys that exhibit excellent strength and surface stability at high temperatures.…
Eu foreign ministers meet in Brussels on May 16th. The meeting failed to agree on the sixth round of sanctions, including an oil embargo on Russia, because of objections from Hungary. Eu Foreign Policy…
In the aerospace or petrochemical industries, these important industries are related to the national economy and people's livelihood.…
Eu foreign ministers meet in Brussels on May 16th. The meeting failed to agree on the sixth round of sanctions, including an oil embargo on Russia, because of objections from Hungary. Eu Foreign Policy…
Aerogel is a solid material form, the smallest dense solid in the world. They are widely used in the fields of heat insulation, optics, electricity, catalysis and medicine.…
Aerogel felt is a flexible insulation material synthesized by a special process with silica aerogel as the main material and compounded with reinforcing fibers, such as glass fibers and pre-oxidized fibers.…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…
Foam concrete is prone to cracking during maintenance, mainly caused by unscientific construction and maintenance of the proportioning. Luchuang has a series of solutions. In the years of construction, Luchuang has accurate material proportions for d…
Hasad Foods, the agricultural investment arm of Qatar's sovereign wealth fund, said the government would increase its grain reserves from 250,000 tons to 300,000 tons in the near future, which is enough to feed the population for six months. With a…
Lithium sulfide, molecular formula: Li2S, lithium sulfide, molecular weight: 45.95. White to yellow crystals. With an anti-fluorite structure.…
The common problems of foamed concrete are bubbling, cracking, collapse, shrinkage, and other phenomena. To treat these phenomena, the proper medicine can be found, and the cause can be effectively solved.…
This article introduces how to make foam cement and how to choose materials including cement and foaming agent.…
Recently, on Sinopec's annual results teleconference, the company representative answered questions about the oil prices, and said that the future trend of oil prices is still very uncertain, and it is expected to be around $100 this year and $85 nex…