نتایج جستجو برای: allowing horizontal temperature contrasts to develop

تعداد نتایج: 10774666  

Vegetation moderates a microclimate by casting shadows, increasing light reflection, evaporation and perspiration; and correcting wind patterns. The present study aims to investigate the microclimatic role of vegetated surfaces and bodies in improving thermal comfort in outdoor spaces between buildings. The main research question is which of the green system modes, that is, horizontal vegetatio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

2015
Rebecca N. Cliffe Ryan J. Haupt Judy A. Avey-Arroyo Rory P. Wilson

Sloths are considered to have one of the lowest mass-specific metabolic rates of any mammal and, in tandem with a slow digestive rate, have been theorized to have correspondingly low rates of ingestion. Here, we show in a study conducted over five months, that three captive Bradypus variegatus (Brown-throated sloths) had a remarkably low mean food intake of 17 g kg(-1)day(-1) (SD 4.2). Food con...

In this study, precipitation simulated annual and seasonal in East and North-East of Iran ,in 1987-2011, by using RegCM4 dynamic model in two case; with and without using post-processing technique. The required data for RegCM4 model with NetCDf format, received from ICTP center. For the implementation of the main dynamic model, Convective precipitation test scheme and the horizontal resolution,...

Journal: :Journal of Applied Meteorology and Climatology 2021

Abstract Daily weather regimes are defined around the Kerguelen Islands (Southern Ocean) based on daily 500 hPa geopotential height anomalies derived from ERA5 ensemble reanalysis over period 1979-2018. Ten retained as significant. Their occurrences highly consistent across members. Regimes show weak seasonality and non-significant long-term trends in their occurrences. sequences usually short ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

2017
ANNETTE M. FOERSTER MICHAEL M. BELL

Thermodynamic retrievals can derive pressure and temperature information from kinematic measurements in regions where no in situ observations are available. This study presents a new retrieval technique called SAMURAI-TR (Spline Analysis at Mesoscale Utilizing Radar and Aircraft Instrumentation–Thermodynamic Retrieval) that derives three-dimensional fields of pressure and density potential temp...

2001
Elemér E Rosinger

Several recent essays are presented on the difficulties scientific research and science researchers have by now been facing for a number of decades due to what goes by the name of ”science management”. Gun Fodder for Science Management ? 0. Develop or Die, and the Role of ”Type I” Research in Science ... It is customary to use the term ”Knowledge Society” for describing the present state of hum...

Solar chimney power plants are plants based on solar thermal power including three parts of collector, chimney and turbine, which is able to produce electrical energy. One of the effective parameters in increasing the power production is the collector angles versus horizon. In the present study, a numerical analysis of a solar chimney power plant for different angles of the collector (divergent...

2012
Susan Lin Katherine Demuth

One of the fundamental issues in developmental phonology is why some speech sounds are acquired early whereas others are acquired much later (e.g. Prather, Hendrick, and Kern, 1975; Hare, 1983; Dyson, 1988; Smit, Hand, Freilinger, and Bernthal, 1990). We speculate that there are at least two issues at play: articulatory control and learning the phonology of the native language. With respect to ...

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