Relative to traditional technique, it is of more advantages and leads the trend of flat steel production tech, so it is the key technique of modern production in steel factories.
It could change the melt metal into semi-finished or finished products directly, and had the obvious advantages in comparison with the traditional one. It was the trend of the thin steel production and the key technology to make the iron and steel enterprises modernized.
Vsing the analysing way of comprehensive index and analysing the status and regular change of the atmosphere,then revealling the characteristic and contributing factor on air pollution of Nanyang City. Finally putting forward the sollution about how to improve the quality of city atmosphere:depending on the progress of science and technology; popularizing the technology of cleaning producing;