نتایج جستجو برای: 145 oc was higher than control shrubs 10

تعداد نتایج: 5943092  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...

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

abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...

Journal: :اکو هیدرولوژی 0
خدیجه بهلکه دانشجوی کارشناسی ارشد، گروه مرتع داری، دانشکدۀ منابع طبیعی، دانشگاه تربیت مدرس، نور، ایران مهدی عابدی استادیار گروه مرتع داری، دانشکدۀ منابع طبیعی، دانشگاه تربیت مدرس، نور، ایران قاسمعلی دیانتی تیلکی دانشیار گروه مرتع داری، دانشکدۀ منابع طبیعی، دانشگاه تربیت مدرس، نور، ایران

cushions as dominant species of mountainous habitats facilitate surrounding species. the aim of this study is the investigation of fire on onobrychiscornutamicrohabitats in the mountainous grasslands. fire occurredin summer 2013. therefore, in order to study the temperature fluctuations, thermometers were established under burned and unburned patches since 15 march 2016 for 31 days (half hours ...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

in order to assess the adaptation of elaeagnus angustifolia l. and fraxinus rotundifolia mill afforestation around tabriz international airport, the qualitative and quantitative characteristics of trees were measured in 96 experimental circular plots with a size of 300 m2. to study the edaphic effects of these species, nine samples were randomly collected from 0-10 cm and 10-20 cm depth of soil...

2005
MICHAEL A. PATTEN

Populations of the lesser prairie-chicken (Tympanuchus pallidicinctus), an endemic grouse of the south-central United States, have declined precipitously. This species occurs in shortand mixed-grass prairies with sandy soils. Apart from perennial grasses of short stature, prairie-chicken habitat is characterized by dryland shrubs of the sand shinnery community, particularly the shinnery oak (Qu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1390

in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

building on previous studies on the effectiveness of different types of written corrective feedback, the present study aimed at investigating whether direct focused corrective feedback and direct unfocused corrective feedback produced any differential effects on the accurate use of english articles by efl learners across two different proficiency levels (low and high). in current study, the par...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

2006
NATASCHA GOSSEN MARTINA HOEDEMAKER

The aim of the study was to explain whether or not the time of ovarian cyst (OC) formation had an influence on reproductive performance in dairy cows. Eighty cows with OC (group A first OC diagnosis < 42 d postpartum; group B first OC diagnosis > 42 d postpartum) were compared with 80 control cows without OC matching in lactation number and calving date. Milk yield was higher in OC cows compare...

2005
J. A. Ellis A. D. Walter J. F. Tooker M. D. Ginzel P. F. Reagel E. S. Lacey A. B. Bennett E. M. Grossman L. M. Hanks

We conducted Weld experiments to test the hypothesis that regulation of herbivorous pests in urban landscapes can be enhanced with forbs that provide Xoral resources for adult natural enemies. The herbivore was bagworm, Thyridopteryx ephemeraeformis (Haworth) (Lepidoptera: Psychidae), which is attacked by a guild of hymenopterous parasitoids. We established host shrubs in common garden planting...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید