We develop a new model for urban wind corridors analysis and detection of ventilation potential based on concepts principles network theory. Our approach is solely data extracted from spatial features that are easily obtained 3D the city. Once have been extracted, we embed them onto graph topology. This allows us to use theories techniques theory, in particular Utilizing such techniques, perfor...

in the present study, through the application of self-determination theory the impact of work climate and social network size on the volunteers motivation were investigated. research type of this study is applied and research method type is descriptive. in this study active volunteers of tehran red crescent society were selected as statistical population .concerning the population of studied ce...