In the face of rising oil prices, the 31 member countries of the International Energy Agency decided in early March to release 60 million barrels of crude oil reserves. However, the market's reaction to this statement was not strong, and oil prices c…
After falling last week, international gold futures edged up on Monday, posting their second gain in seven sessions. Gold futures for April delivery rose 20 cents, or less than 0.1%, to settle at $1,929.50 an ounce on the New York Mercantile Exchange…
At 23:36 local time on the 16th (22:36 Beijing time on the 16th), a strong earthquake occurred in the waters near Fukushima Prefecture, Japan. Early this morning, the Japan Meteorological Agency revised the magnitude from 7.3 to 7.4. So far, the eart…
French scientists have confirmed for the first time through genome sequencing that the "deltacron" variant of the new coronavirus that has previously attracted a lot of attention does exist, which combines the mutations in the new coronavirus delta v…
Hexadecyl Dimethyl Benzyl Ammonium Chrome has excellent wettability and electrical resistance. It can also be sterilized and soft-conditioned. About Hexadecyl dimethyl benzyl ammonium chloride: Hexadecyl dimethylbenzylammonium chloride is characte…
The efficient concrete super-plastifiant agent is a synthetic polymer used in the preparation of high strength concrete. They are also known as high range water reducers because their use in wet concrete can reduce the water content in wet concrete m…
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…