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1.
Military Medical Sciences ; (12): 390-393,397, 2017.
Article in Chinese | WPRIM | ID: wpr-612707

ABSTRACT

Objective To provide an index system and model for evaluating the development strategies of military preventive medicine (MPM).Methods SWOT was used to analyze the internal and external conditions of the development strategies of MPM,and the evaluation index system was constructed.The weight of each evaluation index was determined based on the analytic hierarchy process (AHP) and expert consultation.The evaluation model of MPM development strategies and confrontation matrix were constructed based on SWOT analysis.The effectiveness of the index system and model was evaluated through empirical research.Results The evaluation index system was constructed,which included four grade-one indexes (R&D quality,difficulty,requirement and support) and sixteen grade-two indexes (research level,academic status,etc.).The advantage and disadvantage models,opportunity threat model and SWOT evaluation model were established.The confrontation matrix of development strategies for MPM was developed.Conclusion This evaluation index system and model can accurately evaluate MPM development strategies and provide reference for formulating development strategies of MPM.

2.
Military Medical Sciences ; (12): 597-601, 2016.
Article in Chinese | WPRIM | ID: wpr-495268

ABSTRACT

Objective To construct an executable model of a hypoxia response network (HRN) and to analyze the dynamic evolution mechanism of an HRN including randomness as well as concurrency based on computer simulation. Methods Specific evolution rules and Gillespie algorithm were adoped to study the dynamic evolution of the structural model based on the construction of a structural model of an HRN using stochastic Petri net ( SPN ) .Results Dynamic evolution laws of an HRN were obtained and the simulation results were consistent with laboratory results in response to descript switch-like behavior of an HRN .Conclusion A visualization model of the HRN can be achieved using SPN method.Simulation results achieved by executing the model based on stochastic simulation using specific kinetic parameters can serve as a nice complement to traditional laboratory results , which can help shed light on the structure and function characteristics of an HRN.

3.
Military Medical Sciences ; (12): 106-109,132, 2016.
Article in Chinese | WPRIM | ID: wpr-603663

ABSTRACT

Objective To analyze the process of triage in disaster rescue action performed by a mobile medical unit so that the rescue process can be improved , the efficiency of rescue enhanced , and the decision on health service in rescue action is supported.Methods The process of triage in disaster rescue action was modeled based on stochastic Petri net while the performance of the model was analyzed quantitatively .Results and Conclusion The critical factor which affects the efficiency of rescue work is obtained by analyzing the performance of the model .

4.
Article in Chinese | WPRIM | ID: wpr-586246

ABSTRACT

Objective To study the dose-and time-effect relationship between lipopolysaccharide(LPS) and CD14 expression in the cell line J774A.1 of mouse macrophages. Methods The cell line J774A.1 was stimulated with different doses of LPS,and the CD14 surface-positive cells from the cell line J774A.1 were detected by flow cytometry(FCM)45 min after stained with FITC-CD14 monoclonal antibody. The changes of CD14 surface expression in the cell line J774A.1 at different time(1,2,4,8 and 16 h)after stimulated with LPS were observed.After the best stimulant time was selected,the cell line J774A.1 was treated with different doses(1,10,50,100,500 and 1 000 ?g?L~(-1))of LPS and the changes of CD14 surface expression were observed.(Results In view) of time-effect,compared with control group(the positive rate was 12.50?3.71),LPS significantly enhanced the CD14 expression at 1,2 and 4 h after stimulation(the positive rates were 23.80?5.07,(23.04?)2.88 and 28.22?1.54,respectively) when the dose of LPS was 1 ?g?L~(-1)(P

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