almost all countries have faced the urbanization. in the long run, changes in the production technology have caused migration from rural to urban areas. existing cities have grown and new ones have been created. this is named as “urban development” in the urban literature. cites are created because of economies of scale in production and consumption. there are different cities with different si...

abstract aims: fluoride is one of the anions present in soil and water, and determining its level in drinking water is vital for preventing dental and bone diseases in societies. this research aimed to determine fluoride concentrations in drinking water sources of rural and urban areas of babol city, iran. instrument & methods: this descriptive cross-sectional study was conducted in babol city,...

in order to respond to the problem of urban decline, different approaches have been defined in sucha way that urban regeneration approach became current in the 1980s (and more wildly after 1995) as a replacement for urban renewal. urban regeneration is the holistic process of reversing economic, social and physical decay in areas where it has reached a stage when market forces alone will not su...

A (truly) integrated approach to the management of urban water should take into account, further to the characteristics of the technical system, a range of socio-economic processes and interactions – combined into what has been termed the “socio-technical system”. This is by no means an easy endeavour: conventional simulation tools often fail to capture socio-economic processes and their intera...

At present, in China, the research about the urban sustainability construction is still in the exploratory stage. The ecological problems of the coastal area are more sensitive and complicated. In the background of global warming with serious ecological damage, this paper deeply researches on the main characteristics of urban sustainability and measures how to build urban sustainability. Throug...

Purpose Urban consolidation centres (UCCs) are often conceived to improve services in retail stores and potentially reduce costs. However, few studies have examined how retail stores perceive the services a UCC could provide. The purpose of this article is to explore retail stores’ potential demands for different services that a UCC could provide in order to foster the development and implement...

Social workers delivering services in health care settings face unique challenges and opportunities. The purpose of this study was to solicit input from social workers employed in urban hospitals about their perceptions of the roles, contribution, and professional functioning of social work in a rapidly changing health care environment. Using qualitative methods, the university and hospital-bas...

Background and Purpose: Fluoride is a natural element essential for human nutrition due to its  benefits for dental enamel. It is well-documented that standard amounts of fluoride in drinkingwater can decrease the rate of dental caries. This study was conducted with the aim of measuring fluoride concentration of drinking-water supplies and urban distribution system in Qom, I...

Increasing pressures caused by negative consequences of transportation and traffic problems in major cities, have resulted many attempts towards improvement of planning and management of transportation systems, according to sustainability objectives. In this paper, a comprehensive model is developed using a system dynamics approach to evaluate sustainable urban transportation. This model includ...

background and purpose: fluoride is a natural element essential for human nutrition due to its benefits for dental enamel. it is well-documented that standard amounts of fluoride in drinkingwater can decrease the rate of dental caries. this study was conducted with the aim of measuring fluoride concentration of drinking-water supplies and urban distribution system in qom, iran. materials and me...