In modern high-speed single sheet printing presses,the delivery equipment often used chain transmission systems,but the traditional method to select the delivery chains is experimental test that can not be recognized as optimization.

The effect of factors such as converter device, raw material, air imbibed quantity, recovery restricted condition, and intensity of oxygen blowing on converter gas recovery ratio was studied, especially the effect of the air imbibed quantity.

Many experiments show that noises from environment are related to receiving conditions such as coupling between geophone and surface,numbers of geophone,element spacing and so on.

Because of the landform from hill becoming to mountain in Langzhong of Sichuan, the shooting and receiving condition of the near-surface become very complex.

Based on technological characteristics of the 3D seismic prospecting in mountainous areas,purposely analyzed conventional 3D seismic shot and receiving conditions,seismic data processing,put forward corresponding technological schemes and operating measures.

The delivery chains with the jaws operate in the chains orbit,the distribution of orbit will affect the improvement of printing quality and speed greatly,so the design of distribution of delivery chains orbit is very important.