نتایج جستجو برای: thermal period

تعداد نتایج: 701324  

2010
Veerasamy Sejian Rajendra Swaroop Srivastava

The study was conducted with the primary objective to establish the influence of melatonin on adrenocortical functions to ameliorate thermal stress in goats. Endocrine secretions and several other blood biochemical parameters reflecting the animals adrenocortical stress response were determined over a one-week period after goats had been exposed to 40 degrees C and 60%RH for 10 days. The study ...

2016
Scott F. Heron Jeffrey A. Maynard Ruben van Hooidonk C. Mark Eakin

Coral reefs across the world's oceans are in the midst of the longest bleaching event on record (from 2014 to at least 2016). As many of the world's reefs are remote, there is limited information on how past thermal conditions have influenced reef composition and current stress responses. Using satellite temperature data for 1985-2012, the analysis we present is the first to quantify, for globa...

2013
Z. Aksamija I. Knezevic

We investigate thermal transport in Si/Ge and Si1−xGex /Si1−yGey alloy superlattices based on solving the single-mode phonon Boltzmann transport equation in the relaxation-time approximation and with full phonon dispersions. We derive an effective interface scattering rate that depends both on the interface roughness (captured by a wave-vector-dependent specularity parameter) and on the efficie...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2015
R M Santos A A Saggio T L R Silva N F Negreiros O Rocha

In lentic freshwater ecosystems, patterns of thermal stratification play a considerable part in determining the population dynamics of phytoplankton. In this study we investigated how these thermal patterns and the associated hydrodynamic processes affect the vertical distribution of phytoplankton during two consecutive diel cycles in a warm polymictic urban reservoir in the metropolitan region...

Journal: Pollution 2019

The effluent generated from a thermal power plant waste is a mixture of several chemicals and to identify the effect of these chemicals on soil, a case study on naturally contaminated sites at Al-Musayyib region, Hilla city in Iraq has been carried out. Soil and water samples were collected from the sites and analyzed to identify the pollutants and their effect on soil characteristics. Laborato...

Journal: :معماری و شهرسازی 0
منصوره طاهباز دانشگاه شهید بهشتی، دکترای معماری

one of the primary stages of climatic architectural design is the knowledge of the environmental conditions and meteorology data analyzing according to human thermal comfort and usage of building material. nowadays access to meteorology data of all iran meteorology stations is available on the website of the iran meteorology organization. therefore every architect who feels himself/herself resp...

2008
Albert A. Zijlstra

The Mira variable R Hydrae is well known for its declining period, which Wood & Zarro (1981) attributed to a possible recent thermal pulse. Here we investigate the long-term period evolution, covering 340 years, going back to its discovery in AD 1662. The data includes photometric monitoring by amateur and other astronomers over the last century, and recorded dates of maximum for earlier times....

2012
Emmanuel L. Ndetto Andreas Matzarakis

Understanding of the urban climate of a city is important for future planning and human wellbeing. The well known Physiologically Equivalent Temperature (PET) and the Universal Thermal Climate Index (UTCI) indices were calculated with RayMan model using meteorological data (2001-2011) in order to study the human thermal bioclimate of Dar es Salaam. Results indicate that afternoons from late Sep...

2000
J. E. Frei J. C. LaCombe M. B. Koss D. P. Corrigan A. O. Lupulescu

Pivalic acid dendrites were crystallized under a range of thermal supercoolings and observed aboard the space shuttle Columbia as part of the USMP-4 Isothermal Dendritic Growth Experiment. The dendrites exhibit an initial transient period of growth, followed by an acceleration period, which may gradually tend toward a constant growth rate. The variation of this non-steady-state behavior on the ...

Journal: :Physical review letters 2011
E Kroupp D Osin A Starobinets V Fisher V Bernshtam L Weingarten Y Maron I Uschmann E Förster A Fisher M E Cuneo C Deeney J L Giuliani

The time history of the local ion kinetic energy in a stagnating plasma was determined from Doppler-dominated line shapes. Using independent determination of the plasma properties for the same plasma region, the data allowed for inferring the time-dependent ion temperature, and for discriminating the temperature from the total ion kinetic energy. It is found that throughout most of the stagnati...

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