This article introduces many factors that affect ESP efficiency, and proposes improving measures, per practical maintenance, for efficiency improvement and the stable and high effective operation.

Study of stable running of seven-hole hollow fiber with spiral three-dimensional crimps;

But throngh the research on the panel, the paper put forward a method to improve its founction to ensure the stable running of the substation.

Introduce the importance of stable running frequency conversion fan,employ LabVIEW to program the control system algorism and process the data in the system.

Measures for stable operation of TRH 046 centrifuge;

Analysis on economic and stable operation of Three Gorges Units;

Effect of tail water level fluctuation on stable operation of units in hydropower station;

4 unit leading phase steady operation, the relations of leading phase operation with loss of excitation and synchronism, with stator core and top overheating, with excitation regulator.

The research of keeping the steady operation of motors under various states of start,normal operation,over load for positionless sensor brushless DC motor is analyzed here.

Providing the base for steady operation of turbine in hydropower station.

Study on backwashing of bio-filter bed of iron and manganese removal in steady running period;

Establishment of PC-3 Cell Line Expressing BRP44 Stably and Efficiently;