نتایج جستجو برای: ground water resources

تعداد نتایج: 919558  

Journal: :Journal of radio electronics 2023

This paper considers the implementation of a two-position ground penetrating radar (GPR) located on board unmanned aerial vehicles (UAVs) and designed for operational search groundwater in arid desert regions Mongolia, which is an extremely urgent task. With help synthesizing GPR antenna aperture UAV, significant increase information content achieved compared to existing GPRs, since it becomes ...

Journal: :Nature 1960

تقی زاده, عطریه, یوسفی, ذبیح الله,

Background and purpose: Fluoride is one of the most important elements in the composition of teeth and bones. Itcan enter the body through different ways. The main means of absorption is drinking water. This study was done to determine the amount of fluorine in drinking-water resources of rural areas in Mazandaran province. Material and methods: This retrospective descriptive study was carr...

Journal: :International Journal of Current Microbiology and Applied Sciences 2018

Journal: :Ground water 2009
Yu-Feng Lin Jihua Wang Albert J Valocchi

PRO-GRADE is an ESRI ArcGIS 9.2 plug-in package that consists of two separate toolkits: (1) the pattern recognition organizer for geographic information system (PRO-GIS) and (2) the ground water recharge and discharge estimator for GIS (GRADE-GIS). PRO-GIS is a collection of several existing image-processing algorithms into one user interface to offer the flexibility to extract spatial patterns...

فرخی کری بزرگ, مهندس مهرداد, واعظی, دکتر فروغ,

ABSTRACT Nowadays, removal of volatile organic compounds (VOCs) from drinking water specially from ground water resources, is considered as a very important act. Many reports have shown the contamination of water resources by these chemicals. Two common method to reduce the concentration of VOCs are air stripping and GAC absorption. Of course, it is necessary to perform pilot study before us...

Journal: :Revista de salud publica 2014
Farith A Díaz-Arriaga

In regions affected by artisanal and small-scale gold mining (ASGM), the inhalation of mercury vapor and the ingestion of fish contaminated with this metal constitute the main sources of mercury contamination that affect human health. Nevertheless, according to the World Health Organization, another source of contamination is polluted water. Although mercury in freshwater is usually found in ve...

Journal: :Water research 2006
A R Keshavarzi M Sharifzadeh A A Kamgar Haghighi S Amin Sh Keshtkar A Bamdad

Identifying the factors that affect domestic water demand and consumption is very important in management of available regional water resources. In this study, relationships between water consumption and rural household activities are determined by comparing a snapshot of water consumption with rural household behavior of low, medium and high water consumers. In addition, the factors affecting ...

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