نتایج جستجو برای: ambient temperature

تعداد نتایج: 487990  

This paper aims to predict the periodic variation of ground temperature with depth for time variant condition of ambient air temperature and solar radiation data for Jamshedpur, India. Fourier series and numerical techniques have been used to determine (hottest and coldest day) diurnal and annual temperature variation of the year 2015. The diurnal temperature variation is up to 0.2 m depth of s...

Ambient temperature is one of the most important environmental factors affecting physiological mechanisms and biochemical reactions of living organisms. Thus the effect of ambient temperature on HSPs and IGF-I gene expression levels in the liver and muscle tissues of Sparus aurata were investigated in this research. The levels of HSPs, and IGF-I gene expression of the liver and muscle of Sparus...

2014
Hyung Jun Kim Jae Hoon Kim Duk Ryung Kim Hee In Kang Byung Gwan Moon Joo Seung Kim

OBJECTIVE The aim of this study was to investigate the correlation between meteorological factors and occurrence of spontaneous intracerebral hemorrhage (ICH) according to age. MATERIALS AND METHODS We retrospectively analyzed the records of 735 ICH patients in a metropolitan hospital-based population. Observed and expected numbers of ICH patients were obtained at 5℃ intervals of ambient temp...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2008
Kevin J Cummings Chris Willie Richard J A Wilson

Mild reductions in ambient temperature dramatically increase the mortality of neonatal mice deficient in pituitary adenylate cyclase-activating polypeptide (PACAP), with the majority of animals succumbing in the second postnatal week. During anesthesia-induced hypothermia, PACAP(-/-) mice at this age are also vulnerable to prolonged apneas and sudden death. From these observations, we hypothesi...

Journal: :General and comparative endocrinology 2016
Suvi Ruuskanen Ton G G Groothuis Sonja V Schaper Veerle M Darras Bonnie de Vries Marcel E Visser

Global warming has substantially changed the environment, but the mechanisms to cope with these changes in animals, including the role of maternal effects, are poorly understood. Maternal effects via hormones deposited in eggs, have important environment-dependent effects on offspring development and fitness: thus females are expected to adjust these hormones to the environment, such as the amb...

2012
Xiaofang Ye Rodney Wolff Weiwei Yu Pavla Vaneckova Xiaochuan Pan Shilu Tong

OBJECTIVE In this paper, we review the epidemiological evidence on the relationship between ambient temperature and morbidity. We assessed the methodological issues in previous studies and proposed future research directions. DATA SOURCES AND DATA EXTRACTION We searched the PubMed database for epidemiological studies on ambient temperature and morbidity of noncommunicable diseases published i...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2013

A 60-days feeding trial was conducted to study the effect of higher temperature (32°C) in comparison to ambient temperature (24.5°C) on different metabolic enzyme namely, aspartate aminotransferase (AST), alanine aminotransferase (ALT), adenosine triphosphatase (ATPase), acid phosphatase (ACP) & alkaline phosphatase (ALP) activities in different tissues of Pangasianodon hypophthalmus. AST activ...

Journal: :iranian journal of oil and gas science and technology 0
mohammad saki 1ms. student, mapsa, special core analysis lab, tehran, iran ali reza khaz'al department of chemical engineering, isfahan university of technology, isfahan 8415683111, iran

the chemical surfactant flooding can mobilize the trapped oil by lowering the interfacial tension between oil and brine and in some cases altering the reservoir rock wettability. in this work, the effect of surfactants on oil/brine interfacial tension was experimentally investigated. first, the effect of surfactants concentration was surveyed. afterwards, the effect of salinity on surfactant be...

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