This paper discussed the valid and suitable method to reduce the leaving out rate of the chiptesting system by using double edgedetectors.

3-D imaging technology for determining defect of oil-gas pipeline in magnetic flux leakage testing;

AC and DC magnetizing for magnetic flux leakage testing;

Development and experimental result analysis of the magnetic flux leakage testing instrument;

Application of ISODATA method in pipeline leakage detection;

Advancement in the study of leakage detection method for long-distance oil and gas transportation pipeline;

Filtering technique based on adaptive fuzzy-neural network applied to leakage detection of pipeline;

The main purpose of pipeline leakage detection system is to evaluate the running condition of the pipeline precisely, which aims to distinguish the conditions between starting/shutting down the pumps, opening/closing the valves from leakage accidents.

This paper introduces a mathematic model of real-time leakage detection method that is widely used in the world, and analyses the effect of precisions of gas pipeline instruments on leakage alarm and leakage locating.

On basis of tallying up current technology of boiler leakage detection, studying acoustic characteristics of th.

Actuality and research direction of liquid delivery pipelines leak detection technology.;

Design and implementation of the oil pipelines leak detection system based on wireless local area network;

Study of unsteady friction models in transient flow for leak detection;