نتایج جستجو برای: piranshahr

تعداد نتایج: 50  

Journal: :avicenna journal of phytomedicine 0
mohamad pirigharnaei biology department ,urmia university, urmia, i. r. iran samad zare biology department ,urmia university, urmia, i. r. iran reza heidary biology department ,urmia university, urmia, i. r. iran jalil khara biology department ,urmia university, urmia, i. r. iran reza emamalisabzi chemistry department and institute of biotechnology of urmia university, urmia, i. r. iran farshad kheiry chemistry department and institute of biotechnology of urmia university, urmia, i. r. iran

objective: origanum vulgare l. is rarely cultivated in iran but it is the only species of the origanum genus growing wild in this country. o.vulgare l. is widely spread all over the country. in this study, parameters of content, composition and antioxidant activity of the essential oils of domestic and wild iranian oregano populations were compared  with one another. materials and methods: the ...

احمدی , نجف, اشنوئی , سیما , بابایی, فریبا , فرخ اسلاملو , حمیدرضا ,

 Background & Aims: The prevalence of protein-energy malnutrition has been a ‎prudent decrease in all malnutrition levels. ‎However, it is one of the important ‎health problems in the west Azerbaijan province .In this study we determine  ‎the  prevalence of malnutrition among children less than 5 years and identify ‎hot points of  using Geographic Information System in West Azerbaijan ‎province...

  Abstract In order to evaluate morpho-physiological traits of confectionery sunflower under different irrigation regimes, an experiment was carried out under field conditions in Agricultural Research Center of West-Azerbaijan province, Urmia, Iran in 2012. Fifty six confectionery sunflower landraces were arranged in 7 × 8 rectangular lattice design with two replications in each one of well-wat...

Farshad Kheiry Jalil Khara Mohamad Pirigharnaei, Reza EmamaliSabzi Reza Heidary Samad Zare

Objective: Origanum vulgare L. is rarely cultivated in Iran but it is the only species of the Origanum genus growing wild in this country. O.vulgare L. is widely spread all over the country. In this study, parameters of content, composition and antioxidant activity of the essential oils of domestic and wild Iranian Oregano populations were compared  with one another. Materials and Methods: The...

Journal: :حفاظت گیاهان 0
رستگار مطلبی تپه رشت احمد علیجانپور محمدرضا زرگران

introduction: land use change, deforestation, grazing, intentional and unintentional fire and invasive pests and diseases are all the major cause of damage to the zagros forest ecosystem. the green oak leaf roller (tortrix viridana l.) is one of the important pests of zagros forests. larvae of the pest significantly damage the oak forests with feeding on leaves and buds of different species of ...

صلاحی, برومند, فریدپور, مجتبی,

Drought is the most important natural disaster, due to its widespread and comprehensive short and long term consequences. Several meteorological drought indices have been offered to determine the features. These indices are generally calculated based on one or more climatic elements. Due to ease of calculation and use of available precipitation data, SPI index usually was calculated for any des...

Introduction: The ecological, economic, and social potential of an area for large and large uses is influenced by the quantity and quality of the waters. Therefore, appropriate methods of surface water and groundwater have been investigated qualitatively and quantitatively in order to use its results in assessing the power of the land. One of the important factors for sustainable development is...

ژورنال: کواترنری ایران 2019
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-Introduction The Main Recent Fault (MRF) is a seismic structure on the northwestern boundary of the Zagros belt and southern border of the Sanandaj-Sirjan belt. This fault as a major strike-slip fault consists of several segments in the Zagros collision zone. The seismic activity of the southwestern segments is greater than the northwestern segments. Several earthquake events have occurred al...

Journal: :جغرافیا و مخاطرات محیطی 0
بهزاد حصاری رضا رضایی رامین نیکانفر نادره طایفه نسکیلی

1. introduction early frost in the autumn and late spring frost are the most common disasters related to the huge agricultural damages in west azerbaijan province. among 39 natural disasters in the world, 7 dominant disasters occur in this region and the frost has the first rank regarding the damage to the public sector and insurance industry in recent years. based on several reports, early spr...

Journal: :جغرافیا و مخاطرات محیطی 0
پرویز رضائی محمود روشنی سیده مهشید امیرآبادیزاده

1. introduction droughts are long-term phenomena that can affect large areas and cause severe downturn in economic and social activities. recognizing this phenomenon, its features and properties, knowledge of facilities, capabilities and talents of areas and providing short and long term solutions leads to the effort of the surface water resource managers to prepare for drought mitigation. the ...

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