According to the real-time statistics of the world meter, as of around 6:30 on June 6, 2022, Beijing time, 535316817 cases of COVID-19 have been confirmed in the world, and 6320250 cases of death have been confirmed in the world. There were 317372 ne
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
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase o
U.S. natural gas futures rose about 5 percent to a near nine-week high as global energy prices surged on concerns over a pricing plan for energy exports, keeping U.S. LNG export demand near record highs. U.S. natural gas prices have risen despite for
Nitinol powder is a shape memory alloy, a special alloy that can automatically restore its plastic deformation to its original shape at a certain temperature, and has good plasticity.
The cement foaming agent is the key to the quality of foamed concrete. A good cement foaming agent can be made into high-quality foamed concrete.
Bismuth sulfide is a chemical substance with the molecular formula of Bi2S3. It is widely used in solar cells, photodiode arrays and infrared spectroscopy. It can also be used to manufacture other bismuth compounds, free cutting steel additives and m
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.
Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment
OPEC+ is likely to stick to its plan for a small increase in oil nickel alloy will continue to be influenced by the oil supply shortage. Nickel alloys are metals made by combining nickel as the main element with another material (usually
US President recently decided to invoke a Cold War-era defense law to encourage domestic fumed silica. Fumed silica is a kind of inorganic nanomaterial with a small particle size, large specific surface area, and high surface activity. It
Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.