نتایج جستجو برای: lower winter quarters up to cooler

تعداد نتایج: 10786727  

Journal: :Journal of insect physiology 2017
Heidi J MacLean Clint A Penick Robert R Dunn Sarah E Diamond

The frequency of warm winter days is increasing under global climate change, but how organisms respond to warmer winters is not well understood. Most studies focus on growing season responses to warming. Locomotor performance is often highly sensitive to temperature, and can determine fitness outcomes through a variety of mechanisms including resource acquisition and predator escape. As a conse...

Journal: :تحقیقات دامپزشکی 0
مجید محمد صادق دانشکده دامپزشکی دانشگاه آزاد اسلامی گرمسار مجتبی شالیزار جلالی دانشکده دامپزشکی دانشگاه آزاد اسلامی گرمسار علیرضا باهنر گروه بهداشت وکنترل موادغذایی دانشکده دامپزشکی دانشگاه تهران احمد عرفان منش جهاد دانشگاهی دانشکده دامپزشکی دانشگاه تهران

in order to determine the efficacy of agrisept tablets as a postmilking teat dip 30 holstein cows, at 2 months after parturition were included. subclinical mastitis was determined by analyzing the degrees of shirazma in milk samples at the beginning and the end of the first, second, third and fourth weeks of the study. bacterial culture samples were obtained from milk of all the infected quarte...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده فنی 1393

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

2009
BUNMEI TAGUCHI HISASHI NAKAMURA MASAMI NONAKA SHANG-PING XIE

Influences of oceanic fronts in the Kuroshio and Oyashio Extension (KOE) region on the overlying atmosphere are investigated by comparing a pair of atmospheric regional model hindcast experiments for the 2003/04 cold season, one with the observed finescale frontal structures in sea surface temperature (SST) prescribed at the model lower boundary and the other with an artificially smoothed SST d...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم اجتماعی 1389

the study aims to achieve research and testing of hypotheses survey techniques and questionnaires to collect information used. 61 questions in the questionnaire included 15 questions and 46 open questions according to research in the study population, girls and their mothers as the value of different children investment should be. mothers according to the research community benefits from havi...

پایان نامه :0 1392

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

Journal: :Biology letters 2012
Andrew J Suggitt Constantí Stefanescu Ferran Páramo Tom Oliver Barbara J Anderson Jane K Hill David B Roy Tom Brereton Chris D Thomas

Different vegetation types can generate variation in microclimates at local scales, potentially buffering species from adverse climates. To determine if species could respond to such microclimates under climatic warming, we evaluated whether ectothermic species (butterflies) can exploit favourable microclimates and alter their use of different habitats in response to year-to-year variation in c...

Journal: :Biology letters 2009
Gordon Grigg Lyn Beard Birgit Dörges Jürgen Heucke Jocelyn Coventry Alex Coppock Simon Blomberg

In this study of body temperatures (T(b)) in free ranging dromedary camels, we found that bulls in rut start the days cooler. Daily minima during rut averaged 0.6 degrees C lower than at other times (95% CI 0.27-0.94 degrees C) and daily maxima averaged 0.45 degrees C higher (95% CI -0.01 to -0.91 degrees C), increasing the daily T(b) cycle. Knut Schmidt-Nielsen described a similar pattern in c...

خورشیدی, علی , فتاح زاده, مسعود, محمدی, ستار, یزدانبخش, احمدرضا,

Background: Provision of safe water and sanitation is important for the health and welfare of the community. Improper conditions in the transmission and distribution of water, the most important causes of secondary pollution and water-borne disease outbreaks is. This study investigates quality of drinking water s bacteriological characteristics coming from water cooler units in Shahid Behe...

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