To rationally utilize energy,the laboratory and site experiments on the working performance of hydro-cyclones operated under the conditions of series/parallel connection are conducted in Dongsheng Company of Shengli Oilfield.

To grasp the working performance of an underwater thermal glider,this paper firstly presented a dynamic analysis of the ocean thermal energy acquisition by a certain PCM(phase change material),based on the gliding trajectory and environment.

It lucubrated the main technologies of the high-power Shunt Hybrid Active Power Filter (SHAPF), which includes its harmonic detecting method, working performances, optimal controlling strategy and its practical realization.

Study and testing of the working characteristics of labyrinth pump and seal;

Research on method for on line testing the working characteristics of three-phase induction motor;

Discusses the testing methods and characteristic curves of four working characteristics.

This article analyses the relation between the individual working characteristic and personal characteristic of undergraduates through measuring them by Personal Characteristics Inventory (PCI) and Sixteen Personality Factor Questionnaire (16PF).