نتایج جستجو برای: strong water resources

تعداد نتایج: 1137944  

2015
Bo Li

Strong karstlize effect forming surface and underground double-space structure in karst area, what resulting groundwater systems are extremely sensitive to outside interference. This article mainly focuses on the vulnerability assessment of karst groundwater, proposing that the vulnerability assessment of karst groundwater should be considered from three perspectives: the inherent vulnerability...

2016
L. C. Rietveld J. G. Siri I. Chakravarty A. M. Arsénio R. Biswas A. Chatterjee

BACKGROUND As human populations become more and more urban, decision-makers at all levels face new challenges related to both the scale of service provision and the increasing complexity of cities and the networks that connect them. These challenges may take on unique aspects in cities with different cultures, political and institutional frameworks, and at different levels of development, but t...

2018
Lin Shu

A gambling or "game" phenomenon can be observed in the complex relationship between sources and receptors of ecological compensation among multiple stakeholders. This paper investigates the problem of gambling to determine payment amounts, and details a method to estimate the ecological compensation amount related to water resources in the Wuxijiang River reservoir area in China. Public statist...

Journal: :jundishapur journal of health sciences 0
mohammad ali zazuli department of environmental health, school of health and research centre of health sciences, mazandaran university of medical sciences, sari, ir iran nour mohammad beyramnezhad department of environmental health, school of health and research centre of health sciences, mazandaran university of medical sciences, sari, ir iran nour mohammad beyramnezhad department of environmental health, school of health and research centre of health sciences, mazandaran university of medical sciences, sari, ir iran ghorban mohammad onagh health centre of bandar torkman, mazandaran university of medical sciences, bandar torkman, ir iran yousof kor health centre of bandar torkman, mazandaran university of medical sciences, bandar torkman, ir iran mahmoud taghavi department of environmental health, school of health and research centre of health sciences, mazandaran university of medical sciences, sari, ir iran

fluoride is one of the most important elements in the composition of teeth and bones. this element can enter the body via different ways. however, drinking water is the most important way to receive fluoride by a lot of people. an increase in fluoride level in the body causes dental fluorosis and its absence leads to teeth decay. standard rate of fluoride in drinking water is determined by the ...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad ahmadi jebelli environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran enayatollah kalantar dietary and probiotic research center, alborz university of medical sciences, karaj, ir iran afshin maleki environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran; environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran. tel: +98-8716626969, fax: +98-8716626969 hassan izanloo department of environmental health engineering and research center for environment pollutants, qom university of medical sciences, qom, ir iran fardin gharibi deputy of research, kurdistan university of medical sciences, sanandaj, ir iran hiua daraei environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran

conclusions the ppi-g2 dendrimer with end amine groups exhibited a positive impact on the removal of dominant bacterial isolated strains. therefore, it is possible to use these nanodendrimers as a safe and effective material for water disinfection in the future. results the most important isolated bacteria were escherichia coli 37 (48.7%), klebsiella oxytoca 12 (15.8%), proteus mirabilis 3 (4%)...

2017

Due to industrialization and environmental effects the drinking water quality has been greatly affected in Pakistan. A number of industries are draining their waste containing heavy metals without any treatment in effluents. As a result of this practice almost all of the fresh water resources are getting contaminated, although the deep aquifer in most of the countries is still safe from contami...

Journal: :معماری و شهرسازی آرمان شهر 0
seyed moslem seyedalhosseini assistant professor, department of urban planning and urban design, mashhad branch, islamic azad university, mashhad, iran.

during the recent decades, urban management in iran has increasingly confronted numerous challenges due to different kinds of social, cultural, political, executive, financial, and legal factors. the present study is going to specify and analyze the aforementioned challenges in the domain of the urban environment in order to determine how far they have been effective, how they have been priorit...

Journal: :اقتصاد و توسعه کشاورزی 0
کنعانی کنعانی صبوحی صابونی صبوحی صابونی

abstract the existence of various perceptions related to the efficiency of water use in agricultural sector can hamper the development of appropriate water resource conservation policies. particularly, when there has been an emphasis on increasing water use efficiency by improvement in irrigation systems. the main purpose of current study is to estimate excess water use for a sample of 15 farms...

Journal: :International Journal on Design and Manufacturing Technologies 2007

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