Concrete is a mixture of a graded aggregate, sand, water, and cement. It is necessary to study the influence of concrete components on the effect of the high-efficient superplasticizer in order to give full play to their due effect.…
Adding high-efficient water reducing agent is the most direct and effective means to adjust and optimize the ratio of concrete and improve and strengthen the properties of concrete, which can meet the requirements of most concrete construction at pre…
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…
In the aerospace or petrochemical industries, these important industries are related to the national economy and people's livelihood.…
he compatibility of cement foaming agents and the foaming machine is the first consideration. Because there is a problem with compatibility between cement foaming agent and cement foaming machine.…
The common problems of foamed concrete are bubbling, cracking, collapse, shrinkage, and other phenomena. To treat these phenomena, the proper medicine can be found, and the cause can be effectively solved.…
Foam cement insulation layer has incomparable insulation performance and structural layer adhesion performance, it is convenient for construction, environmentally friendly, efficient, time-saving, etc.…
Foam cement is a kind of new light insulation material containing a large number of closed pores.…
Nitinol is a shape memory alloy, which is a special alloy that can automatically restore its own plastic deformation to its original shape at a certain temperature.…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…
Lithium batteries use organic solvents, unlike the zinc chloride and potassium hydroxide aqueous electrolytes of the current manganese batteries and alkaline dry batteries.…
The foamed concrete foaming agent can make concrete appear a lot of foam to accelerate the formation and use of foamed concrete. Use efficiency and speed up the progress of the entire construction project. Foamed concrete foaming agents are available…
Recently, the EU proclaimed new sanctions on Russia, including coal, timber, rubber, cement, and fertilizer, as well as high-end seafood vanadium nitride powder. Vanadium nitride or VN, is a compound of vanadium and nitrogen. It is a blac…
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b…
Viscosity and fineness are important indicators that affect the performance of hydroxypropyl methylcellulose HPMC. Studies have shown that the water retention effect of HPMC increases with the increase of its viscosity, but after the viscosity exceed…