A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet com…
High-silicon aluminum alloy is a binary alloy composed of silicon and aluminum. It is an alloy material mainly used in aerospace, space technology and portable electronic equipment.…
Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present,…
To study the problem of collapse mode cracking in the cast-in-place foam concrete wall, using ordinary Portland cement, fly ash, and self-made composite foaming agent as the primary raw materials, the admixtures (there are two kinds of admixtures) we…
Aluminum nitride is an inorganic powder of high thermal conductivity material, which is widely used in large-scale integrated circuits, high thermal conductivity substrates in electronic fields, inorganic thermal conductivity fillers, high-performanc…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not t…
Efficient polycarboxylic acid Superplasticizers transform the hard and low slump concrete into flowing, toppable and easy-to-place. They improve machinability, speed up surface treatment, increase strength, save cement and help reduce shrinkage and t…
Ferric oxide is an inorganic substance with the chemical formula Fe3O4. It is a magnetic black crystal, so it is also called magnetic iron oxide. It is a commonly used magnetic material. Usually used as a pigment and polishing agent, it can also be u…
Recently, international crude oil futures ushered in a surge. As of the close of April 14, the price of light crude oil futures for delivery in May on the New York Mercantile Exchange rose 2.97 US dollars to close at US$63.15 per barrel, an increase…
"Due to the continuous increase in raw material prices, the company's production and operating costs continue to increase, our company intends to substantially adjust the prices of its household paper products from April 1 . " Leading paper...…
It is reported that on the 17th local time, the Japan National Tourism Administration released estimated data that in February 2021, the number of foreign tourists visiting Japan was 7,400, which was a 99.3% decrease from the same month in 2020, and…