The article analyzes the cause and harm of NOx, discusses the mechanism, technique and device of bi-directional combustion among the thick and thin flame,so that the production of NOx could be reduced.

Under the conditions of different reactants' concentration,the dependence of the period increase and the amplitude decrease on the injected concentration were reported.

Charge and leak processes of zeotropic refrigerant can cause the change of mixture concentration in refrigerant systems and affect the system performance.

A study on the principle of infrared spectroscopy diagnoses for flame temperature and species concentration in internal combustion engine;

Measurement of flame temperature distribution with absorption-emission computed tomography;