نتایج جستجو برای: spatial factors

تعداد نتایج: 1410056  

Journal: :international journal of political science 0

in this paper, we have tried to analyze and asses the process of formation and spatial – structural evolution of iranian-islamic cities through tehran case study as well as how to organize and effecting different factors specially modernism on urban elements. also we have discussed about formation and emergence of tehran and the effect of different pre modernism and postmodernism socio-economic...

This paper considers spatial distribution of industrial activities and effective factors on such a distribution. Ellison and Glaeser’s spatial concentration index, has been used for measureing spatial distribution of industry. This index has been calculated by Ad-value variable for 30 provinces of Iran and for period of 2006-2013. So, The spatial panel data model has been used in order to...

Journal: :پژوهش های جغرافیای طبیعی 0
علی نصیری استادیار گروه علمی دانشگاه پیام نور، تهران، ایران

introductionin the modern era of communication, by increasing population the resources would be relativelyscarce. therefore, in order to deal with environmental serious problems and complex humanclimaterelationship in all dimensions of spatiotemporal and land use planning and programmingpractices, the climatic zone map was a sustainable developmental tool in the study area.methodologythe climat...

Spatial analysis of COVID-19 Pandemic in Rural Area of Damavand   Abstract As information about disease and mortality grows, so do appropriate methods for analyzing this type of data that meet different needs. One of these methods is spatial analysis of the disease, which considers its geographical distribution along with other risk factors. The present study is an attempt to depict the spa...

ژورنال: پژوهش های ریاضی 2016
Mohammadzadeh , M, Abyar, A, Motarjem , K,

An important issue in survival data analysis is the identification of risk factors. Some of these factors are identifiable and explainable by presence of some covariates in the Cox proportional hazard model, while the others are unidentifiable or even immeasurable. Spatial correlation of censored survival data is one of these sources that are rarely considered in the literatures. In this paper,...

, , Maroufi, Hesam, Yeganeh, Mansor ,

Introduction: As the behavioral base of the family, the house is functionally and physically the place where the behavior, culture, and ethics of the community are formed. The traditional house of Iran has been a constructive and suitable place for this important. However, today's Iranian housing architecture is not a suitable container for this important because it has lost its Iranian charact...

Background and objective: The spatial structure of cities depends on the different and mutual relationships of all forces and factors in the city. These factors include market forces, activities, urban infrastructures and various services, which always have a complex and reciprocal relationship. In today's world, one of the basic challenges in cities is to create a balanced spatial structure th...

Journal: :محیط شناسی 0
محمدرضا رجبی کارشناسی ارشد مهندسی سیستم های اطلاعات مکانی- دانشگاه صنعتی خواجه نصیرالدین طوسی علی منصوریان استادیار گروه gis - دانشگاه صنعتی خواجه نصیرالدین طوسی محمد طالعی استادیار گروه gis - دانشگاه صنعتی خواجه نصیرالدین طوسی

environmental factors are one of the most sensitive issues that should be considered in many decisions. site selection is one of the most widely used spatial decision making problems and is influenced by many environmental factors. the purpose of site selection is to find a set of appropriate spatial alternatives for a particular application. site selection is a multi-criteria decision making p...

Journal: :پژوهش های خاک 0
سمیرا احمدزاده دانش آموخته کارشناسی ارشد گروه علوم خاک دانشکده کشاورزی دانشگاه شهرکرد حبیب اله بیگی استادیار گروه علوم خاک دانشکده کشاورزی دانشگاه شهرکرد رامین ایرانی پور استادیار پژوهش مرکز تحقیقات کشاورزی و منابع طبیعی شهرکرد

mapping based on total concentrations of micronutrients may be useful in fertility management including fertilizer and/or wastewater application. the aims of this work were to (1) investigate the spatial distribution of total concentrations of copper (cu), zinc (zn), manganese (mn) and iron (fe); (2) to select the suitable spatial estimator; and (3) to understand the effect of wastewater irriga...

Journal: :جغرافیا و توسعه ناحیه ای 0
هاشم داداش پور فردیس سالاریان

research is necessary for adjust and improve the process of land degradation in the agricultural, horticultural and also prevent the formation of spatial patterns is uneven and sporadic. the present study sought to analyze the impact of the components of the population (population change and population density) and development land on the spatial pattern of sprawl in the study area. in this pap...

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