How is the high strength of concrete achieved?
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.…
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.…
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 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…
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,…
John Albanese, leader of the Australian Labor Party, was sworn in as Australia's new prime minister. After his victory, Albanese said he would "make a big change" in the country's climate policy. "We now have an opportunity to end the 'climate wars'…
Lithium-ion batteries are divided into liquid lithium-ion batteries and polymer lithium-ion batteries. The electrolyte of lithium-ion batteries is fluid, so they are more unstable than lithium-polymer batteries, and they may explode if they are beat…
There are mainly three indicators: foamability, foam toughness, and bleeding, to measure the quality of foaming agents.…
How much carbon is generated during the production process of the iphone 8 plus back glass replacement Ultrasonic whether can clean the iphone 8 plus back glass replacement ? Most people are worried about whether the vibration used by the ultrasonic…
Ultrasonic whether can clean the samsung galaxy s6 battery replacement? Most people are worried about whether the vibration used by the ultrasonic cleaning machine will not damage the precision mobile phone parts? Fortunately, ultrasonic waves are no…
The short wigs knotted reasons Everyone hair is not tested for a long time, it will become very chaotic, and even a knotted situation, The short wigs is actually the same as our live-haired hair, and does not have a constant nutrition supply like the…
How to judge the angular contact thrust bearing failure A sound meter is used to check the size and sound quality of the rolling sound of the angular contact thrust bearing in operation. Even if the bearing is slightly damaged such as peeling, abnorm…
Why do we need to know the common sense of using high speed ball bearing? Bearing users very much hope that the bearings installed on the main engine will not be damaged and maintain their dynamic performance during the predetermined period of use. H…
Poloxamer, marketed as Pluronic, is a new class of polymeric non-ionic surfactants. About Poloxamer : Poloxamer can be used as pharmaceutical excipients. Theoretically, there can be innumerable kinds of compounds with such basic structu…
Zirconium dioxide (chemical name: ZrO2), is zirconium's main oxide. It's a powder with an odorless, white color. Purity: 99.5%Pebble size: 20nm - 200nm Zirconium oxide ZrO2 powder: Zirconium dioxide also known as Zirconia or zircon (not to confu…
TRDN-3 molecularsieve is made from high-silicon ziolite with a cross-direct three-dimensional structure. It has excellent adsorption capabilities of SO2, NOx and acidic gases. About TRDN-3 Molecular Sieve Adsorbent For Flue Gas Denitration: TRDN…