Check computation of control oil system accumulator of boiler feed pump turbine in Zhuhai Power Station;

On cleaning procedures of steam turbine control oil system;

introduced the function and the operating principle of servo valve which used in the axial-flow compressor control oil system,then pointed out that the servo valve characteristics and advantages.

A oil discharge monitoring and control systems should be added on tankers to manage oil discharge to reduce ocean pollution.

The effects of methylcyclopentadienyl manganese tricarbonyl(MMT) fuel additive on emission and emission control system of vehicles have ever been the focus of dispute.

This paper introduces the trouble diagnosis and the inspection and repair methods of the computer controlled emission control systems used for 2001 Mitsubishi Pajero SUV, such as the fuel evaporative emission control(EVAP), exhaust gas recirculation(EGR) and close loop air/fuel ratio control.

The Porfibus-DP net s topologic architecture of public drainage control system of a hydropower station is described to bring its communication principle and connecting mode to light, and the remote control of public drainage control system could be carried out by PLC and Profibus-DP net is suggested, the functions and advantages of this technology are also explained.

This paper, based on the actual project, offers a top structure of the public drainage control system of power station and on-the-spot general line, and reveals a Profibus-DP communication principle and connecting ways.

This paper introduces water filled intermittent removal ash hopper and removal ash control system, indicates problems and give the measures of resolving these problems.