نتایج جستجو برای: passive heating

تعداد نتایج: 124746  

Journal: :Journal of applied physiology 2015
Jody L Greaney Anna E Stanhewicz David N Proctor Lacy M Alexander W Larry Kenney

During supine passive heating, increases in skin blood flow (SkBF) and cardiac output (Qc) are both blunted in older adults. The aim here was to determine the effect of acutely correcting the peripheral vasodilatory capacity of aged skin on the integrated cardiovascular responses to passive heating. A secondary aim was to examine the SkBF-Qc relation during hyperthermia in the presence (upright...

2017
Xin Fu Xiaoqian Qian Lina Wang

Abstract: There exists huge differences in climatic conditions and occupant energy-consuming behavior between Berlin and the “hot summer and cold winter zone of China” (HSCW), which implies that the building energy consumption compositions of two regions are completely different. In this paper, dynamic energy consumption simulation for passive houses with Design Builder software was performed. ...

2013
Azziz Assoumani Christelle Margoum Yannick Lassalle Bernard Herbreteau Karine Faure Marina Coquery

In this work, the low cost synthesis of polydimethylsiloxane (PDMS) rods is described, and the performances of this new passive sampling device (in laboratory and in situ) are compared to the passive stir bar sorptive extraction (SBSE) for the monitoring of pesticides from different classes (herbicides, insecticides and fungicides) in surface waters. The influence of synthesis parameters of PDM...

Journal: :The American journal of physiology 1998
A Takamata K Nagashima H Nose T Morimoto

To elucidate the role of increased plasma osmolality (Posmol), which occurs during exercise in the regulation of cutaneous vasodilation (CVD) during exercise, we determined the relationship between the change in esophageal temperature (DeltaTes) required to elicit CVD (DeltaTes threshold for CVD) and Posmol during light and moderate exercise (30 and 55% of peak oxygen consumption, respectively)...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2015
Tatsuro Amano Masashi Ichinose Yoshimitsu Inoue Takeshi Nishiyasu Shunsaku Koga Narihiko Kondo

The present study investigated the role of muscle metaboreceptor activation on human thermoregulation by measuring core temperature thresholds and slopes for sweating and cutaneous vascular responses during passive heating associated with central and peripheral mechanisms. Six male and eight female subjects inserted their lower legs into hot water (43°C) while wearing a water perfusion suit on ...

2015
Tatsuro AMANO Masashi ICHINOSE Yoshimitsu INOUE Takeshi NISHIYASU Narihiko KONDO

28 The present study investigated the role of muscle metaboreceptor activation on human 29 thermoregulation by measuring core temperature thresholds and slopes for sweating and 30 cutaneous vascular responses during passive heating associated with central and peripheral 31 mechanisms. Six male and eight female subjects inserted their lower legs into hot water (43°C) 32 while wearing a water per...

Journal: :Environmental Health Perspectives 1993
C A Pope X Xu

In this study we evaluated data from a sample of 973 never-smoking women, ages 20-40, who worked in three similar textile mills in Anhui Province, China. We compared prevalence rates of respiratory symptoms across homes with and without coal heating and homes with different numbers of smokers. Multiple logistic regression models that controlled for age, job title, and mill of employment were al...

2011
Everett B. Lohman Gurinder S. Bains Trevor Lohman Michael DeLeon Jerrold Scott Petrofsky

BACKGROUND Circulation plays an essential role in tissue healing. Moist heat and warm water immersion have been shown to increase skin circulation; however, these heating modalities can cause burns. Recent research has shown that passive vibration can also increase circulation but without the risk of burns. MATERIAL/METHODS The aim of this study is to compare the effects of short-duration vib...

Journal: :Journal of applied physiology 1999
C G Crandall B D Levine R A Etzel

Whole body heating in humans increases skin blood flow (SkBF) and decreases central venous pressure (CVP). This study sought to identify whether elevations in SkBF are augmented during passive heating if CVP is increased during the heat stress. Seven subjects were exposed to passive heating. Once SkBF was substantially elevated, 15 ml/kg warm saline were rapidly infused intravenously. Whole bod...

2012
Everett B. Lohman Kanikkai Steni Balan Sackiriyas Gurinder S. Bains Giovanni Calandra Crystal Lobo Daniel Nakhro Gauri Malthankar Sherwine Paul

BACKGROUND Tissue healing is an intricate process that is regulated by circulation. Heat modalities have been shown to improve skin circulation. Recent research supports that passive vibration increases circulation without risk of burns. Study purpose is to compare and determine effects of short duration vibration, moist heat, and a combination of the two on skin blood flow (SBF) and skin tempe...

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