Weighted linear combination (WLC) of MCE in IDRISI software is introduced, and analytical hierarchy program (AHP) is applied to construct comparison matrix, so the weights of disaster factors are derived from AHP weight derivation.

The operation and existing problems in the urea plant with IDR process and the modification of the plant over the last 10 years are introduced Engineering defects of IDR process is discussed on the basis of experience in operation,tests and researc

Study on time/pressure test equipment;

A equipment for rapid detecting human nuclide aerosol concentration in high radon;

Improvement and status of active carbon fiber basket equipment for solvent recovery;

To advance the industrialization of the apparatus of dispose of sewage of cities and towns;

Efficiency of Self-made Apparatus for Cleaning Medical Pipeline;