نتایج جستجو برای: these three species

تعداد نتایج: 4216236  

Journal: :iranian journal of parasitology 0
a halajian department of parasitology, faculty of specialized veterinary sciences, science and research branch, islamic azad university, tehran, iran a eslami department of parasitology, faculty of specialized veterinary sciences, science and research branch, islamic azad university, tehran, iran i mobedi department of medical parasitology and mycology, school of public health, tehran university of medical sciences, iran o amin department of medical parasitology and mycology, school of public health, tehran university of medical sciences, iran j mariaux curator department of invertebrates, natural history museum, geneva, switzerland j mansoori department of environment, islamic azad university, tonekabon branch, mazandaran, iran

background: corvidae is a cosmopolitan family of oscine birds including crows, rooks, mag­pies, jays, chough, and ravens. these birds are migratory species, especially in the shortage of foods, so they can act like vectors for a wide range of microorganisms. they live generally in temper­ate climates and in a very close contact with human residential areas as well as poultry farms. there is no ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1389

in reality, most structures involved in geotechnical engineering are three dimensional in nature, and although in many, plane strain or axisymmetric approximations are reasonable, there are some, for which 3-d treatment is required. the quantity of data, and the size of the various vectors and matrices involved in such analysis, increase dramatically. this has sever implications for computer r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1389

the concepts of similarity and dissimilarity have been the interest of many researchers. basically, in the studies the similarity between two objects or phenomena, has been discussed. in this thesis, we consider the case when the resemblance or similarity among three objects or phenomena of a set, 3-similarity in our terminology, is desired. later we will extend our definitions and propos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1393

abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

tennessee williams (1911-1983), the modern american dramatist, had his own unique school of dramaturgy. the dramas which he depicted are populated by characters who are lonely, desperate, in anxiety, alienated and in one word lost. they face challenges which they may overcome or not, through the choices they make. all these moods and conditions are clearly seen and explained in the theory of ex...

Journal: :iranian journal of animal biosystematics 0

three threidiid spiders of the genus latrodectus occur in khorasan province: l.tredecimguttatus, l.pallidus, l.dahli. the three are described, their diagnostic features are illustrated, and taxonomic notes are given where possible. spider bites are very common in these regions, so, further notes about the medical importance of these species are given. a dichotomic key to the species of the genu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

apart from other aspects, desert is a natural environment and is one of the appealing terrestrial elements. putting its symbolic and fictional senses aside, the term “desert” bears mystic sense more than material sense. in addition to the worlds materialistic experiences, desert has attracted the attention of writers because it creates a kind of inner experience, which returns the individual in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...

Chavshin, Ali Reza, Dabiri, Farrokh, Mohammadi-Bavani, Mulood, Pashaei, Shabnam, Sedaghat, Mohammad Mahdi, Vahedi, Mozaffar,

Background & Aims: Different species of Anopheles mosquitoes, in addition to causing discomfort from biting and blood-feeding, are of significant importance due to their essential role in the transmission of some diseases. The present study was performed to identify the species belonging to the Anopheles maculipennis s.l complex in West Azerbaijan province using the molecular marker cytochrome ...

Journal: :iranian journal of animal biosystematics 0
r attar-yazdi m moghadam matin r jalal

genus rattus from the subfamily murinae has a wide geographical distribution throughout the world. three species of this genus have been reported in iran so far. they are norway or brown rat (rattus norvegicus), black rat (rattus rattus), and himalayan rat (rattus pyctoris). in order to verify the possibility of using electrophoretic patterns of special proteins, in biosystematic analysis of th...

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