نتایج جستجو برای: stress indicator

تعداد نتایج: 510395  

Journal: :J. Informetrics 2017
Mike Thelwall Ruth Fairclough

When comparing the average citation impact of research groups, universities and countries, field normalisation reduces the influence of discipline and time. Confidence intervals for these indicators can help with attempts to infer whether differences between sets of publications are due to chance factors. Although both bootstrapping and formulae have been proposed for these, their accuracy is u...

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

deposite the different criticisms on contrastive analysis it has been proved that the results of it(when processed)can be usuful in a tefl environment,specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims. the consonants,vowels,stress and intonation of the twolanguages are described by the same model-ta...

Journal: :Investigative ophthalmology & visual science 2015
Marcel V Alavi Wei-Chieh Chiang Heike Kroeger Douglas Yasumura Michael T Matthes Takao Iwawaki Matthew M LaVail Douglas B Gould Jonathan H Lin

PURPOSE Endoplasmic reticulum (ER) stress activates inositol requiring enzyme 1 (IRE1), a key regulator of the unfolded protein response. The ER stress activated indicator (ERAI) transgenic mouse expresses a yellow fluorescent GFP variant (Venus) when IRE1 is activated by ER stress. We tested whether ERAI mice would allow for real-time longitudinal studies of ER stress in living mouse eyes. M...

Journal: :به زراعی کشاورزی 0
شکیبا شاهمرادی استادیار، بخش تحقیقات ژنتیک و بانک ژن گیاهی ملی ایران، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، ، کرج- ایران مهدی زهراوی استادیار، بخش تحقیقات ژنتیک و بانک ژن گیاهی ملی ایران، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، ، کرج- ایران

to evaluate the effects of water deficit stress in barley germplasm collection of national gene bank ofiran, 25 genotypes collected from arid and semi arid provinces of iran and 3 sample cultivars werestudied in two environments including: non-stressed and water deficit stress. agronomical, phenologicaland morphological traits were measured. stress indices were calculated to determine tolerant ...

Journal: :Occupational medicine 2009
Robert Kerr Marie McHugh Mark McCrory

BACKGROUND The UK Health and Safety Executive's (HSE) Management Standards (MS) approach has been developed to help organizations manage potential sources of work-related stress. Although there is general support for the assessment model adopted by this approach, to date, there has been no empirical investigation of the relationship between the actual MS (as measured by the final revised versio...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2016
Manabu Shibasaki Mari Namba Misaki Oshiro Craig G Crandall Hiroki Nakata

The effect of hyperthermia on cognitive function remains equivocal, perhaps because of methodological discrepancy. Using electroencephalographic event-related potentials (ERPs), we tested the hypothesis that a passive heat stress impairs cognitive processing. Thirteen volunteers performed repeated auditory oddball paradigms under two thermal conditions, normothermic time control and heat stress...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :Biological psychology 2013
Nathalie Michels Isabelle Sioen Els Clays Marc De Buyzere Wolfgang Ahrens Inge Huybrechts Barbara Vanaelst Stefaan De Henauw

UNLABELLED Stress is a complex phenomenon coordinated by two main neural systems: the hypothalamic-pituitary-adrenal system with cortisol as classical stress biomarker and the autonomic nervous system with heart rate variability (HRV) as recently suggested stress marker. To test low HRV (5 minute measurements) as stress indicator in young children (5-10 y), associations with self-reported chron...

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