As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
AlN is mainly used in the microelectronics industry as an electrically insulating but thermally conductive barrier in silicon-based electronic devices.…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
GH4049 is a nickel-based superalloy, which is an age-hardening alloy. The corresponding grade is GH49. Its nickel content is about 70%.…
Russia and Ukraine is an important exporters of oil, natural gas, metals, fertilizers, rare gases and other industrial raw materials. Affected by the further intensification of the tension of the war, the global market has become more worried about t…
Weaker overseas demand for durable consumer goods combined with a rebound of the epidemic at home kept China's export growth on a downward trend. The month-on-month growth rate in March was significantly lower than the seasonal trend after excluding…
Protein foaming agents are produced from naturally hydrolyzed proteins. They are combined with foam stabilizers (metal salts), fungicides, corrosion inhibitors, antifreeze additives and solvents to form foam concentrates.…
The epidemic and oil prices have a dual impact on the polypropylene cost price fluctuations in early…
Facebook Metaverse initiative has raised concerns about free speech and privacy When Meta Platform inc. Mark Zuckerberg, Facebook chief executive, last month trumpeted the company plans to build a virtual reality "metaverse" to replace the ...…