نتایج جستجو برای: intrinsic rate of increase rm

تعداد نتایج: 21216226  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

since its introduction in 1959, translation quality assessment (tqa) has been among the most addressed research topics in translation studies. during recent years, there has been a crucial increase on the study of tqa. various methods have come on scene. although these methods are based on scientific theories, most of them have remained at the level of theory. juliane house’s model is among tho...

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

iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...

Journal: :دانش گیاه پزشکی ایران 0
طاهره کرمی جمور دانشجوی ارشد شهید جمران پرویز شیشه بر استاد دانشگاه شهید چمران اهواز محمدسعید مصدق استاد دانشگاه شهید چمران اهواز

biology of strawberry spider mite, tetranychus turkestani ugarov& nikolski was studied on cucumber, courgette and melon under laboratory conditions (30±1oc, 70±5% rh and 14:10 l: d). the mean female immature developmental times on cucumber, courgette and melon were recorded as 7.73±0.14, 8.27±0.24 and 9.54±0.36 days respectively. the values of immature death rate were 42.31, 48.93 and 63.63% on...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

Journal: :نامه انجمن حشره شناسی ایران 0
v. hoseininaveh l. salehi m. ghadamyari m. gholamzadeh

the side-effects of amitraz, buprofezin and propargite were studied on encarsia formosa (gahan)in the laboratory, using a life table response experiment and the iobc system for their toxicity. bioassayswere conducted by dipping bean leaves containing third instar nymphs of the whitefly trialeurodesvaporariorum (westwood), parasitized by e. formosa, in insecticide solutions or caging adult paras...

2017
P. Mohamadi J. Razmjou B. Naseri M. Hassanpour

The tomato leafminer, Tuta absoluta (Meyrick) is a devastating pest associated with tomato. In this study, effects of tomato plants treated with vermicompost (20, 40, and 60%), humic fertilizer (2, 4 and 6 g/kg soil) and plant growth promoting rhizobacteria (Pseudomonas fluorescens and Bacillus subtilis) were investigated on the life table parameters of T. absoluta in a growth chamber at 25 ± 2...

Journal: :Population bulletin of the United Nations 1983
L J Castro A Rogers

One of the central problems in migration measurement arises as a consequence of the different sources of migration data. Most information regarding migration is obtained from population censuses or population registers that report migration data for a given time interval. Another source of migration data is the sample survey which may be designed to provide information about both migrants and...

2014
Hongsheng Pan Bing Liu Yanhui Lu Nicolas Desneux

The genus Adelphocoris (Hemiptera: Miridae) is a group of important insect pests of Bt cotton in China. The three dominant species are A. lineolatus, A. suturalis, and A. fasciaticollis, and these species have different population dynamics. The causal factors for the differences in population dynamics have not been determined; one hypothesis is that humidity may be important for the growth of A...

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