نتایج جستجو برای: dactylogyrus sp infestation was 187 and 33 1305

تعداد نتایج: 16926028  

پایان نامه :0 1374

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم کشاورزی 1392

طی بررسی تاکسونومیک کنه های پارازیتنگونای خشکی زی انگل بندپایان استان گیلان در سال های 1391-1389، 25 گونه لاروی متعلق به 20 جنس، 14 زیرخانواده، شش خانواده و چهار بالاخانواده از نمونه های خاک و از روی میزبان ها جداسازی و شناسایی شد که در بین آنها 12 گونه جدید برای دنیا، یک خانواده، شش گونه و پنج جنس به عنوان گزارش جدید برای ایران و چهار گونه گزارش جدید برای استان گیلان می باشند که به ترتیب با عل...

Journal: :iranian journal of veterinary medicine 2011
حسینعلی ابراهیم زاده موسوی ebrahimzadeh mousavi parviz shayan mehdi soltani elahe ebrahimzadeh

dactylogyrus spp. are monogenean worms found mostly as ectoparasites on the gills of several fish species, including carp and goldfish. these parasites are commonly detected by microscopic analysis of the gill lamellae, but this is time-consuming and technically difficult. in contrast to this conventional method, molecular techniques provide specific, sensitive and safe detection of parasites. ...

Journal: :Depik: Jurnal Ilmu-ilmu Perairan, Pesisir dan Perikanan 2022

Ectoparasites which often attack tilapia include Trichodina sp., Dactylogyrus spp., Gyrodactylus and Epistylis spp. This research aims to determine the types, prevalence, intensity of ectoparasites found on (Oreochromis niloticus) in floating net cages Batanghari River, Jambi. The was conducted from February through March 2020. A survey method is carried out direct sampling at study site identi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1392

the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده اقتصاد و علوم اجتماعی 1390

abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1394

abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

simplification universal as a universal feature of translation means translated texts tend to use simpler language than original texts in the same language and it can be critically investigated through common concepts: type/token ratio, lexical density, and mean sentence length. although steps have been taken to test this hypothesis in various text types in different linguistic communities, in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1388

abstract the aim of this study was threefold: (1) to investigate the relationship between knowledge of semantic prosody and efl learners general language proficiency; (2) to examine the relationship between qualitative as well as quantitative knowledge of words, and (3) to compare the performance of efl learner on receptive and productive measures of semantic prosody. the study is based on a...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید