The principles of physics and chemistry are explored before describing the application of the magnetic field effects on the prevention and control of the waste water,waste gas,solid wastes ect.

• 探讨了磁场的物理、化学效应在工业"三废"中的作用机理并且综述了在工业"三废"防治方面的应用,最后提出了新型的磁流化床技术。