نتایج جستجو برای: heating and cooling systems

تعداد نتایج: 17000165  

2004
Joon Mo Kim Jae Chan Kim Woo Chan Park Jeong-Sun Seo Hae Ran Chang

The purposes of this study were to assess the expression patterns of heat shock proteins (Hsps), after eyeball heating or cooling, and to elucidate their relationships with corneal wound healing and intraocular complications after excimer laser treatment. Experimental mice were grouped into three according to local pretreatment type: heating, cooling, and control groups. The preconditioning was...

2005
Mark Kipling Frank De Lucia

Being able to heat and cool the absorption cell of a spectrometer has many benefits. Cooling simplifies the spectrum of the gas in the cell by freezing out rotational and vibrational motion of the gas molecules, while heating increases the population of the excited ro-vibrational states. We designed and prototyped a heating and cooling system for the absorption cell of the FASSST spectrometer [...

Journal: :Energies 2021

District energy systems, especially those integrating renewables or low exergy sources, have multiple elements for generating heating and cooling. Some of these might be used both purposes: cooling, either simultaneously alternatively. This makes it more complex to separate the assessment a clear picture on performance cooling service one side, services other, in terms energy, environmental, ec...

Journal: :Sustainability 2021

Low temperature district heating and cooling networks (5GDHC) in combination with very shallow geothermal energy potentials enable the complete renewable supply of settlements up to entire city districts. With help 5GDHC, can be distributed at a low level almost no distribution losses made useable consumers via decentralized heat pumps (HP). Numerous sources, from wastewater exchangers low-temp...

Journal: :Processes 2022

Expanding cities means increasing the need for energy in residential sector. The supply of this must be environmentally friendly ways; one method meeting demand sector is use combined cooling, heating, and power (CCHP) systems. current review paper shows that due to high cost gas electricity, CCHP can used various sectors, such as hospitals airports, reduce consumption with lower environmental ...

Journal: :Journal of applied physiology 2000
F Yamazaki R Sone

The purpose of this study was to examine the effects of skin cooling and heating on the heart rate (HR) control by the arterial baroreflex in humans. The subjects were 15 healthy men who underwent whole body thermal stress (esophageal temperatures, approximately 36.8 and approximately 37.0 degrees C; mean skin temperatures, approximately 26.4 and approximately 37.7 degrees C, in skin cooling an...

Journal: :The American journal of physiology 1971
W W Weathers F N White

WEATHERS, WESLEY W., AND FRED N. WHITE. Physiological thermoregulafion in turtles. Am. J. Physiol. 22 l(3) : 704-7 10. 17 I. .The physiological capacity of turtles for altering rates of heat exchange was partially assessed by measuring rates of change of body temperature (Tb) during heating from 10 C to 30 C, and during cooling from 30 C to 10 C, in both air and water. In water, turtles heated ...

Journal: :Journal of Architecture and Planning (Transactions of AIJ) 1997

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