The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
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.…
Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…
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…
There are many types of lubricants available, from motor oils to special lubricants such as lithium-based lubricants.…
Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently. Andersson held a joint press conference with visiting…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
The US President recently said the conflict between Russia and Ukraine had driven up the prices of all the world's major food staples, including wheat, corn, barley, oilseeds and edible oils, and that Russia and Ukraine together supplied more than 25…
Russian President says if the European Union imposes an oil embargo, Europe will buy energy at the most expensive price and economic activity in Europe will weaken. Rosneft needs to change its business model. Russia will help facilitate settlement an…
New materials for a sustainable future you should know about the molybdenum disilicide elements. Historically, knowledge and the production of new materials molybdenum disilicide elements have contributed to human and social progress, from the refini…
A new type of superhard diamond glass was synthesized. Can New Ultrahard Diamond Glass Synthesized see the advantages of sb2s3? Of all the glass materials, it is the hardest glass known and has the highest thermal conductivity. Carnegie Yingwei Fei a…
Chinese state media have urged investors to remain calm after this week stock market rout wiped out hundreds of billions of dollars in market value. China securities Times, a state-run newspaper, published a commentary on Wednesday acknowledging &quo...…
Ge3N4 powder is the name of Germanium Nitride. Germanium nitride powder Ge3N4 is used as an anti reflection layer in integrated circuit devices. Purity: 99.999%Particle Size: -100 Mesh Germanium Nitride Ge3N4 Pulp: Germanium Nitride is an organic…
Because the steric hindrance of the extended polymer side chain effectively hinders the secondary agglomeration between cement particles, so the product has high dispersion performance and can maintain this performance for a long time to realize the…
Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the late strength.…