نتایج جستجو برای: wind chill index
تعداد نتایج: 477956 فیلتر نتایج به سال:
Reestablishment of ion homeostasis during chill-coma recovery in the cricket Gryllus pennsylvanicus.
The time required to recover from cold-induced paralysis (chill-coma) is a common measure of insect cold tolerance used to test central questions in thermal biology and predict the effects of climate change on insect populations. The onset of chill-coma in the fall field cricket (Gryllus pennsylvanicus, Orthoptera: Gryllidae) is accompanied by a progressive drift of Na(+) and water from the hem...
At birth in late December the polar bear is small (700 g), uninsulated, and helpless. It probably has a modest capacity for metabolic heat production and depends on the female and a snow den in which it is born for thermal protection. The microclimate of an artificial polar bear den was investigated at Point Barrow, AK, and the temperature therein found to stay around 0 degrees C provided a hea...
This paper presents results from recent experiments with Chill, a corpus-based parser acquisition system. Chill treats grammar acquisition as the learning of search-control rules within a logic program. Unlike many current corpus-based approaches that use propositional or probabilistic learning algorithms, Chill uses techniques from inductive logic programming (ILP) to learn relational represen...
The present work describes the effect of the solidification processing and alloy chemistry on the chilling tendency index, CT, and the chill, w, of wedge-shaped castings made of cast iron. In this work, theoretical predictions were experimentally verified for the role of elements, such as C, Si, Mn, P and S, on the cast iron CT. In addition, inoculation and fading effects were considered in the...
Broiler carcasses (n=325) were sampled in a U.S. commercial poultry processing plant for the prevalence of Arcobacter and Campylobacter at three sites along the processing line: pre-scald, pre-chill and post-chill. Samples (75-125 broilers per site) were collected during five plant visits from August to October of 2004. Arcobacter was recovered from pre-scald carcasses more frequently (96.8%) t...
Synechocystis sp. strain PCC 6803 cultured at 30°C losses viability quickly under chill (5°C)-light stress but becomes highly tolerant to the stress after conditioning at 15°C (Y. Yang, C. Yin, W. Li, and X. Xu, J. Bacteriol. 190:1554-1560, 2008). Hypothetically, certain factors induced during preconditioning are involved in acquisition of chill-light tolerance. In this study, Rbp1 (RNA-binding...
This paper presents results from recent experiments with Chill, a corpus-based parser acquisition system. Chill treats language acquisition as the learning of search-control rules within a logic program. Unlike many current corpus-based approaches that use statistical learning algorithms, Chill uses techniques from inductive logic programming (ILP) to learn relational representations. Chill is ...
امروزه بهرهبرداری بهینه از امکانات و توانهای بالقوه و بالفعل هر سرزمین در چارچوپ اهداف توسعه پایدار به صورت یکی از دغدغههای اصلی محلی، ملی و بینالمللی در آمده است. یکی از راهبردهایی که اخیرآ در اغلب کشورهای جهان مورد توجه قرار گرفته، توسعه توریسم در نواحی محروم و دارای پتانسیلهای لازم برای گسترش گردشگری میباشد. اگر اکوتوریسم و طبیعتگردی به نحوهی مناسب برنامهریزی و مدیریت شود، میتواند ...
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