, this paper gives a method about the implementation of token ring access control, sets up a queue model for token ring based on the method,and gives its mathematical analysis and performance analysis.

The influence of different mediums on modified research of corn starch by ultra high pressure;

Research on Ball Mill Work Index and Adaptability of Autogenous Medium of Copper Ore Containing Iron in Yunnan;

The improvement of the fishing net paling medium on the eutrophic waters in Meiliang Bay, Taihu Lake;

Research on Ultrasonic Vibration Multi-dielectrics Electrical Discharge Milling Machine Tool;

Research on Simulation of Deep Charging for Spacecraft Dielectrics;

The design of slotted dielectric-covered rectangular wave-guide arrays;

Study on grinding media consumption of secondary ore grinding in Qidashan Beneficiation Plant and Donganshan Sinter Plant;

Research advance in photodegradation and photoactive-biological oxidation of polycyclic aromatic hydrocarbons(PAHs) in different media;

N release characteristics of controlled/slowed-release fertilizer in different media and its effects evaluation;