Abstract:In this study,investigated is the antimicrobial effect of tea polyphenols（TP） against P.aeruginosa and examined is the related mechanism.The minimal inhibitory concentration is determined by antibacterial activity assay.The antimicrobial kinetics against P.aeruginosa is also established.Furthermore,the enzyme（alkaline phosphate and adenosine triphosphatase） alkaline and the protein（bacterial soluble total protein and soluble membrane protein） are analysised.The results show that the activity of the enzyme is decreased and the soluble membrane protein is impressed,which would cause metabolic disorder and destroy structure of cell,so as to play the role of antibacterial activity.

Abstract:Efficiency of stock Market refers to one that the price of stocks in market responses to the new information. It indicates the mature degree of stock market. Effective market can be divided into weak-form market,semistrong-form market and strong-form market. By positively researching on 30 companies on Shanghai stock market,the authors concludes that Shanghai stock market is not semistrong-form efficiency at present.

Abstract:A telecontrol guard against theft and alarm system on the 89C51 single-chip computer is introduced in the text. The system is composed of a infrared telecontrol transmitter and the circuits of infrared receiving and display,input detecting and output controlling commanded by the 89C51 single-chip computer. The specialties are simple desigh,cheap cost and high reliability.

Abstract:Aim to observe the effect of six months practice Build up body qigong · Baduanjin on the cardiop-ulmonary function of aged people .Selected 40 retired and healthy worker from ShaHeKou district of dalian as ob-jects.Random divided into two groups as experimental and control group .The experimental group did Build up body qigong · Baduanjin once a day lasting for six months under the instruction of a teacher .The results show that vital capacity and vital capacity index enhanced (P<0.01), LPET/LVET and mean arterial pressure re-duced(P<0.05 and P<0.01),CO,SV and Step experiment index enhanced (P<0.05 and P<0.01) compare with the control group .The experiment hint that six months practice Build up body qigong · Baduanjin can im-prove effectively the cardiopulmonary function of aged people .