Effect of impervious surface on stormwater runoff pollution in urban tourist attractions;

Removal of rural land cover types such as soil,water,and vegetation and their replacement with common urban impervious surface materials such as asphalt,concrete,and metal have significant environmental implications.

As a major component of the Ridd s vegetation-impervious surface-soil(V-I-S) model,urban impervious surface is important in monitoring urban expansion and understanding impacts from human activities on the environment.

Studies of the Experimental Technologies of Radiative Opacity;

The calculation of opacity about krypton plasma;

Study on Opacity of Silver Plasma;

Parameters and important factors for determination opacity of plastic pipes and fittings were discussed based on validating and paralleling experiments,according to the international standard ISO/DIS7686 and the change of different revisions.