نتایج جستجو برای: immersion

تعداد نتایج: 13844  

صفری, هادی, میلادی گرجی, حسین,

Background: Previous studies indicate that morphine dependent and withdrawal from chronic opiates enhanced anxiety-related behaviours in novel and stressful conditions in rats. Recent studies have shown that exposure to a stressor generates a wide variety of adaptive responses, while enhancing abilities to adopt with the stressor. Therefore, the aim of this study was to examine the effect of ch...

2013
Bireswar Laha Doug A. Bowman

Researchers have traditionally used desktop display systems for visualizing and analyzing volume data. This is partially due to the lack of empirical results showing benefits of immersion for analysis of volume data, and also due to the cost of highly immersive virtual reality (VR) platforms. Researchers exploring the benefits of immersion tend to compare entire display systems rather than eval...

Journal: :Journal of sports sciences 2008
Joanna Vaile Shona Halson Nicholas Gill Brian Dawson

To assess the effect of cold water immersion and active recovery on thermoregulation and repeat cycling performance in the heat, ten well-trained male cyclists completed five trials, each separated by one week. Each trial consisted of a 30-min exercise task, one of five 15-min recoveries (intermittent cold water immersion in 10 degrees C, 15 degrees C and 20 degrees C water, continuous cold wat...

Journal: :Biophysical journal 2001
R S Prosser P A Luchette P W Westerman A Rozek R E Hancock

Oxygen is known to partition with an increasing concentration gradient toward the hydrophobic membrane interior. At partial pressures (P(O2)) of 100 Atm or more, this concentration gradient is sufficient to induce paramagnetic effects that depend sensitively on membrane immersion depth. This effect is demonstrated for the fluorine nucleus by depth-dependent paramagnetic shifts and spin-lattice ...

Journal: :Journal of applied physiology 2003
Andrea T White Scott L Davis Thad E Wilson

The purpose of this investigation was to compare the thermoregulatory, metabolic, and perceptual effects of lower body (LBI) and whole body (WBI) immersion precooling techniques during submaximal exercise. Eleven healthy men completed two 30-min cycling bouts at 60% of maximal O(2) uptake preceded by immersion to the suprailiac crest (LBI) or clavicle (WBI) in 20 degrees C water. WBI produced s...

Journal: :Nano letters 2017
Wei Ting Chen Alexander Y Zhu Mohammadreza Khorasaninejad Zhujun Shi Vyshakh Sanjeev Federico Capasso

Immersion objectives can focus light into a spot smaller than what is achievable in free space, thereby enhancing the spatial resolution for various applications such as microscopy, spectroscopy, and lithography. Despite the availability of advanced lens polishing techniques, hand-polishing is still required to manufacture the front lens of a high-end immersion objective, which poses major cons...

2008
DANIEL M. JOHNSON WILLIAM K. SMITH

The high altitude spruce—fir (Abies fraseri (Pursh) Poiret.—Picea rubens Sarg.) forests of the southern Appalachian Mountains. USA, experience frequent cloud immersion. Recent studies indicate that cloud bases may have risen over the past 30 years, resulting in less frequent forest cloud immersion, and that further increases in cloud base height are likely in the event of continued climate warm...

Journal: :Hypertension 1992
F Magrini P Reggiani M Ciulla R Meazza G Branzi

The purpose of this experiment was to study the impact of simulated microgravity and of chronic removal of hydrostatic pressure gradients on blood pressure maturation and body growth in rats. A special device was developed in our laboratory to transfer prolonged "dry" water immersion (a technique that has been used for training astronauts under hypogravic conditions) to six Sprague-Dawley test ...

Journal: :College & Research Libraries News 2000

Alireza Izadi, Farnaz Firouz Farnoush Fotovat, Saeed nikanjam, Somaye Ghorbani Gholiabad

Background: This study sought to assess the effect of glazing and polishing surface treatments on the optical behavior of zirconia-reinforced lithium silicate ceramics thermocycled in different solutions. Methods:Computer-aided design/computer-aided manufacturing ceramics (VITA Suprinity) were cut into samples (n=104) measuring 1.5x14x10 mm according to t...

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