نتایج جستجو برای: many of insects have re

تعداد نتایج: 21229035  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1377

chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده هنر 1391

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1390

teachers beliefs have usually been left unattended in the realm of educational research in iranian context. one of those beliefs which seems to impact teachers performance in the classroom is their sense of self-efficacy, which refers to teachers belief in their ability to enhance student achievement and in bringing about positive learning outcomes. the present study aimed to investigate the pr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - پژوهشکده ادبیات 1393

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

Journal: :حفاظت گیاهان 0
ویدا علی پناه جواد ناظمی رفیع حسین لطفعلی زاده

the family of pteromalidae (hym: chalcidoidea) is one of the largest families of parasitic wasp. members of this family wasp comprise of important natural enemies of many harmful insects in major insect orders such as coleoptera, diptera, lepidoptera, hymenoptera and homoptera; therefore they have an important role in biological control of agricultural pests. the chalcid wasps belonging to this...

پایان نامه :0 1371

in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.

Journal: :Journal of Mathematical Analysis and Applications 1991

Journal: :journal of arthropod-borne diseases 0
mansoureh shaeghi department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran hossein dehghan department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran kamran pakdad department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran fatemeh nikpour department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran azad absavaran department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran aioub sofizadeh department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran

background: aquatic insects are very abundant and divers groups of insects that are associated with an aquatic or semiaquatic environment in one or more of their life stages. these insects have been, in some cases, well studied because they are vectors of several diseases. this is the first comprehensive faunistic study of aquatic insects from babol county. the results may provide basic data fo...

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