Principle and operation factors of thiourea method

Thiourea, also known as sulfurized urea, has the molecular formula SCN2H4. It is a white lustrous rhombohedral hexahedron with a bitter taste and a density of 1.405 g/cm3. It is easily soluble in water and the aqueous solution is neutral. Thiourea is low in toxicity, non-corrosive, and has .......

Submerged Impulse Valve Construction Principle and Classification

Submerged impulse valve submerged in gas package installation method, it said submerged. Compared with other structural forms, it reduces the resistance of the runner and reduces the pressure of the injection air source. Therefore, it can be applied to the occasion of depression and can reduce .......