In this paper,starting with the features of associated components,it has been confirmed that there existed multi elementand multi stage superimposition and reformation mineralization in the late period of Dongchuan type Cu deposit,which has an in-structive significance in prospecting rich Cu ore and in recovery of Au and Ag.

New method the vehicle license plate character segmentation based on concomitant and complementary color features;

New method of vehicle license plate location using concomitant and complementary color feature;

The color feature is an important information of the license plate,for this character the paper shows a method to locate the license plate using the concomitant and complementary color feature in the license plate region.

The paper analyzed both the biological constitution and the inorganic one of the wetland , and marked the wetland ecology of many types , which are river , lake , swamp , coastal wetland ( consists supratidal zone , intertidal zone and subtidal zone ), false water area ( reservoir , hourglass and pond ), manual salt marsh ( brine pan , shrimp .

Through fluorescent properties has studied the source rock oil genetic components of Jurassic system in Eastern Tsaidam Basin, and indicated role and significance of different oil genetic components for hydrocarbon-forming, and its features of thermal evolution.

The bulk rock analysis technology of organic petrology was used in this paper to systematically study the maceral composition, hydrocarbon generating components and organic thermal evolution of the Lower Tertiary source rock in the Jianghan Basin.