Volume 14, Issue 1
مرور بر اساس
ارسال های اخیر
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Association of the whole blood potassium polymorphism with resistant to saline in two sheep breeds of different climates of Iran
(University of Tehran, 2009-11-01)Abstract The whole blood potassium concentration has shown the bimodal distribution in sheep, which has been classified into LK and HK types; HK allele is recessive to LK with a single gene inheritance. This ...
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CCA application for vegetation - environment relationships evaluation in arid environments (southern Khorasan rangelands)
(University of Tehran, 2009-11-01)Abstract This paper presents a quantitative account of vegetation–environmental factor relationships in arid rangelands. Vegetation cover was recorded using Braun-Blanquet combined abundance-cover scale in ...
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Statistical model of daily flow in arid and semi arid regions
(University of Tehran, 2009-11-01)Abstract Stochastic model for synthetic data generation is not available for daily flows of intermittent streams. Such a model is required in the planning and operation of structures on an intermittent stream ...
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DEM-based analysis of morphometric features in humid and hyper-arid environments using artificial neural network
(University of Tehran, 2009-11-01)Abstract This paper presents a robust approach using artificial neural networks in the form of a Self Organizing Map (SOM) as a semi-automatic method for analysis and identification of morphometric features ...
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Estimating river suspended sediment yield using MLP neural network in arid and semi-arid basins Case study: Bar River, Neyshaboor, Iran
(University of Tehran, 2009-11-01)Abstract Erosion and sedimentation are the most complicated problems in hydrodynamic which are very important in water-related projects of arid and semi-arid basins. For this reason, the presence of suitable ...
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Floodplain mapping using HEC-RAS and GIS in semi-arid regions of Iran
(University of Tehran, 2009-11-01)Abstract A significant deficiency of most computer models used for stream floodplain analysis is that the locations of structures impacted by floodwaters, such as bridges, roads, and buildings, cannot be ...
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Relative salt tolerance of south Khorasan millets
(University of Tehran, 2009-11-01)Abstract Millets are important agricultural crops for arid regions due to short life span and their resistance to salinity and drought conditions. In Iran, three main species of millets including proso millet ...
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Investigation of soil physico-chemical properties in playa wetlands (Case study: Daryacheh-Namak
(University of Tehran, 2009-11-01)Abstract Soil, is a reclamable and sustainable source. it is the basis of survival and it's implication, should be performed on the basis of productivity identification according to scientific and technical ...
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Potential use of Iranian rhizobial strains as plant growth-promoting rhizobacteria (PGPR) and effects of selected strains on growth characteristics of wheat, corn and alfalfa
(University of Tehran, 2009-11-01)Abstract Many agricultural researches have been performed to improve soil productivity. Nitrogen (N) and Phosphorus (P) are essential elements which are utilized by the plants in large amounts. Phosphorus can ...
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Role of rural women in operation, protection and restoration of natural resources in desert plains; Case study: Khuzestan province
(University of Tehran, 2009-11-01)Abstract Non-renewable natural resources play an important role in sustainable development of developing countries such as Iran. However, since the natural resources should be preserved for future generations, ...
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Effect of proline, soluble carbohydrates and water potential on resistance to salinity of three Salsola species (S.rigida, S. dendroides, S.richteri)
(University of Tehran, 2009-11-01)Abstract Various resistances to salinity are due to plants genetically variations, and selection on the basis of one factor will not be a suitable criterion in measurement of resistance to salinity, therefore ...
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Limnological and pollution study of Shahdadroud River, Kerman province
(University of Tehran, 2009-11-01)Abstract Shahdadroud River is one of the most important rivers in Kerman province that during previous years has been threatened by drought and anthropogenic pollution. This river supplies some parts of ...



