نتایج جستجو برای: environmental water

تعداد نتایج: 874854  

2011
Khalid ZAMAN Muhammad Mushtaq KHAN Mehboob AHMAD

The objective of the study examines the impact of industrialization and financial development on water resources, in the specific context of Pakistan. Data set from 19752009 are taken for time series analysis. The result reveals that economic growth positively linked with the water resource, as water plays a pivotal role in the economic development of a country. Thus limiting this resource woul...

2015
Wei Wang Deshan Tang Melissa Pilgrim Jinan Liu Athanasios Loukas

Water resource crises are an increasing threat to human survival and development. To reveal the nature of water resource issues under changing situations, the water resources system needs to be studied from a macro and systematic perspective. This report develops a water resources system into a water resources compound system that is constantly evolving under the combined action of the developm...

2002
Jeff Bennett Stuart Whitten

The emergence of water markets has heralded the prospect of increased efficiency in the use of the resource for extractive purposes such as irrigated agriculture. The separation of water title from land title has allowed trades from lower to higher values uses of water and higher water prices have increased interest in the use of capital as a substitute for water volume. However, water markets ...

Journal: :Water and environmental sustainability 2021

Journal: :Japan journal of water pollution research 1991

Journal: :international journal of environmental research 2011
a. romanelli h.e. massone o.m. qutrozl

this paper gives an account of the implementation of geomorphological, hydrogeological, hydrochemical and isotopic techniques to understand groundwater-surface water interactions in a multiple use area, los padres-la brava corridor (se of buenos aires province, argentina). the isophreatic map reveals a regional flow from the sw to ne sector, and allowed us to define the effluent-influent behav...

Journal: :journal of chemical health risks 0
m. salahinejad environmental laboratory, nstri, tehran, iran f. aflaki environmental laboratory, nstri, tehran, iran

the dispersive liquid–liquid microextraction (dllme) method for determination of pb +2 and cd +2 ions in the environmental water samples was combined with inductively coupled plasma-atomic emission spectrometry (icp-aes). ammonium pyrrolidine dithiocarbamate (apdc), chloroform and ethanol were used as chelating agent, extraction solvent and disperser solvent, respectively. some effective parame...

Journal: :international journal of environmental research 0
a. romanelli instituto de geología de costas y del cuaternario, universidad nacional de mar del plata, 3350 funes st. - level 1 - 7600 mar del plata, argentina, consejo nacional de investigaciones científicas y técnicas (conicet), argentina h.e. massone consejo nacional de investigaciones científicas y técnicas (conicet), argentina o.m. qutrozl consejo nacional de investigaciones científicas y técnicas (conicet), argentina

this paper gives an account of the implementation of geomorphological, hydrogeological, hydrochemical and isotopic techniques to understand groundwater-surface water interactions in a multiple use area, los padres-la brava corridor (se of buenos aires province, argentina). the isophreatic map reveals a regional flow from the sw to ne sector, and allowed us to define the effluent-influent behavi...

Journal: :international journal of occupational and environment medicine 0
m jahangiri department of occupational health, school of health, shiraz university of medical sciences, shiraz, iran m neghab department of occupational health, school of health, shiraz university of medical sciences, shiraz, iran g nasiri hse department, national petrochemical company, iran m aghabeigi hse department, national petrochemical company, iran v khademian student research committee, shiraz university of medical sciences, shiraz, iran r rostami student research committee, shiraz university of medical sciences, shiraz, iran

background: workers in wastewater treatment plants are exposed to a wide range of chemicals as well as biological contaminants. objective: to ascertain whether exposure to bio-aerosols under the normal working conditions in wastewater treatment plants is associated with any significant changes in the prevalence of respiratory symptoms and lung function capacities. methods: 198 employees of wast...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

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