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
Overview of market area prospect of genomic purification By region, the market is segmented into North America, Europe, Asia Pacific, Latin America, and the Middle East and Africa (MEA). North America is further
The filling elevation of the foam light soil with different strengths shall be constructed in strict accordance with the design requirements. The anti-seepage geomembrane on the top of the foam light soil subgrade shall be laid under the metal mesh,
Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of
As the world deals with potential supply shortages, oil prices are soaring again, with more dramatic spikes and sudden drops expected.For consumers, that means more expensive gas for longer - prices at the pump remain above $4 a gallon. For the econo
310 million tons! In the first quarter of 2022, global blast furnace pig iron production decreased by 8.8% year-on-year According to statistics from the World Iron and Steel Association, pig
Energy is relatively high. It has high storage energy density, which has reached 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries
Natural flake graphite are widely used in advanced refractories and coatings in the metallurgical industry. Such as magnesia carbon bricks, crucibles, etc.
Using concrete additives is the most effective, economical, and simple technical way to reduce the cement dosage, improve the utilization rate of industrial waste residue, and realize the high durability and performance improvement of concrete.
Foam concrete wall casting methods can be divided into three types: removable formwork casting, formwork-free casting and sandwich wall casting. Among these three types of casting methods, the mold-free casting method is widely used.
The creep rupture strength can be a good indication that the creep rupture life/γ-initial fraction diagram of each alloy series is different, but each series may have a maximum value or exceed 75% (volume) in the vicinity.