نتایج جستجو برای: distance of water resources0022

تعداد نتایج: 21232219  

Corrosion in general is a complex interaction between water and metal surfaces and materials in which the water is stored or transported. Water quality monitoring in terms of corrosion and scaling is crucial, and a key element of preventive maintenance, given the economic and health hurts caused by corrosion and scaling in water utilities. The aim of this study is to determine the best model fo...

E. Pourkhiz F. Ghasemi Sahebi M. Hekmat

Using modern irrigation methods such as border irrigation is one way for an optimum usage of water. Potato, for this study, was cultured in a farm located at Kermanshah faculty of agriculture to evaluate the efficiency of border irrigation. The culture potato was the Agria variety and the applied treatment were 50, 75, and 100 percent of potato plant`s water requirement. Tapes were 12 m and the...

Journal: :محیط شناسی 0
حمیدرضا جعفری استادیار گروه برنامه ریزی محیط زیست دانشگاه تهران یوسف رفیعی دانشجوی کارشناسی ارشد برنامه ریزی محیط زیست دانشگاه تهران مجید رمضانی مهریان دانشجوی کارشناسی ارشد برنامه ریزی محیط زیست دانشگاه تهران حسین نصیری دانشجوی کارشناسی ارشد rs & gis دانشگاه تهران

nowadays urban sanitary landfill compatible with environmental principles and in line with sustainable development is a necessity. in this paper for the purpose of determining appropriate sanitary landfill sites in kohgilooye & boyerahmad province, , many data layers were used including: slope, land cover, distance to main roads, distance to cities & villages, geology, surface water network, di...

Journal: Desert 2013
B. Bakhtiari M. Bordbar M. Nekooamal Kermani

A rain gauge network should serve general as well as specific purposes such as water supply, hydropowergeneration, flood forecasting, irrigation, and flood control. The level of accuracy a network can achieve depends onthe number and locations of gauges in the network. In this study, a rain gauge network was designed for Hormozganprovince in the south of Iran. Monthly rainfall totals from 124 r...

Journal: :international journal of energy and water resources 0
abbass malian department of geomatic engineering, shahid rajaee teacher training university hani rezayan department of rs-gis, faculty of geographic sciences, kharazmi university mohammad sakkizadeh department of environmental sciences, shahid rajaee teacher training university zinat farhang faculty of geo-information science and earth observation, university of twente

satellite data have been used for temperature modeling both in urban areas and water. this paperstudies viability of aster satellite images that provide high spatial and spectral resolution to model watersurface temperature, as a fundamental water quality parameter. this study is focused on dez dam reservoirresiding in khuzestan province, south west of iran. after the image corrections required...

Chromium carbide – nickel chromium powder Cr3C2-25wt.NiCr was plasma sprayed by a water-stabilized system WSP®. A series of experiments with variable feeding distance was carried out. Basic characterization of coatings was done by XRD, SEM and light microscopy plus image analysis. Microhardness was measured on polished cross sections. The main focus of investigation was on resistances against w...

ژورنال: علمی شیلات ایران 2023

The Caspian Sea is a unique brackish system in terms of water salinity, so evaluation of pollution criteria based on the water quality of the same sea is past and present. In this study, information was collected from 2008 to 2010 and analyzed during the project during these years, sampling of eight transects shorelines was performed seasonally at stations 10, 20, 50 and 100 m of depth in two s...

M. B. Patel R. A. S. Patel

Main perennial rivers of Gujarat, Tapi, Narmada, Mahi and Sabarmatiare meeting Arabian Sea in Gulf of Khambhat. The out flow of Mahi River intothe sea is decreased due to construction of dams like Bajaj Sagar, Kadana, Panamand Wanakbori weir. So, Tidal effect of sea and sea water intrusion is beingincreased on landward side. Moreover, due to erratic nature of rainfall andimproper management of ...

Journal: :iranian journal of radiation research 0
j.w. hong department of radiation oncology, seoul national university bundang hospital, republic of korea h.k. lee department of computer science and engineering, soonchunhyang university, republic of korea j.h. cho department of international radiological science, hallym university of graduate studies, republic of korea

background: this study assessed the clinical usefulness of the solid phantom, which may compensate for the disadvantages of the water phantom, by comparing the radiological doses between the two depending on their depths. materials and methods: the experimental equipment used was a linear accelerator for medical use, water phantom, solid phantom, farmer type ion chamber and electrometer. the di...

Journal: :پژوهش های علوم دامی ایران 0
علی رضا حسابی نامقی همایون امینی

this experiment was conducted to evaluate of different levels of water nitrate on performance and blood parameter of broiler chicks. 240 day old ross 308 were assigned in 5 treatments, 4 replicates and 12 chicks per replicate in a completely randomized design. treatments so that water nitrate concentration was 10 mg in drinking water of poultry farm (control group or cg) and another treatment 4...

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