نتایج جستجو برای: dual energy x

تعداد نتایج: 1358418  

Journal: :The British journal of nutrition 2000
K Arvaniti D Richard A Tremblay

The aim of this present study was to determine the reliability of a buffet-type meal as a measure of spontaneous energy and macronutrient intake. In addition, we evaluated the short-term effects of diet on the composition of the substrate mix oxidized postprandially. Fourteen male subjects had ad libitum access to a variety of foods from a buffet-type meal offered in the laboratory during two i...

Journal: :The British journal of nutrition 1989
P S Davies G Ewing A Lucas

The measurement of energy expenditure has wide applications in clinical and scientific studies. Ethical and practical problems, however, have limited the acquisition of information on total energy expenditure in infancy. The doubly-labelled-water technique, recently validated for use in infants, has now been used to measure, non-invasively, total energy expenditure in a cohort of forty-one norm...

Journal: :The journals of gerontology. Series A, Biological sciences and medical sciences 2004
Bradley J Willcox Katsuhiko Yano Randi Chen D Craig Willcox Beatriz L Rodriguez Kamal H Masaki Timothy Donlon Brandi Tanaka J David Curb

Energy restriction extends life span and lowers mortality from age-related diseases in many species, but the effects in humans are unknown. We prospectively examined this relationship in a large epidemiological study of Japanese-American men. We followed 1915 healthy nonsmokers, aged 45-68 years at study onset, for 36 years. Twenty-four-hour recall of diet was recorded at baseline, and follow-u...

Journal: :The American journal of clinical nutrition 2013
Earl S Ford William H Dietz

BACKGROUND Energy intake is a key determinant of weight. OBJECTIVE Our objective was to examine trends in energy intake in adults in the United States from 1971-1975 to 2009-2010. DESIGN The study was a trend analysis of 9 national surveys in the United States that included data from 63,761 adults aged 20-74 y. RESULTS Adjusted mean energy intake increased from 1955 kcal/d during 1971-197...

2007

TABLE OF CONTENTS THE HEART RATE BASED ENERGY EXPENDITURE ESTIMATION METHOD AT GLANCE....................................................................................

2003
Tran Khanh Dang Roland Wagner A Min Tjoa

Things have been changing increasingly since the first DEXA events due to the new challenges posed by new issues ubiquitously appearing in modern application domains nowadays. In this paper, a quick review of contributions to the DEXA international conferences will be given. The different research trends and challenges that have been posed are succinctly analysed. Some predictions about the fut...

Journal: :Physical review letters 2011
I Loa K Syassen G Monaco G Vankó M Krisch M Hanfland

We have measured plasmon energies in Na under high pressure up to 43 GPa using inelastic x-ray scattering (IXS). The momentum-resolved results show clear deviations, growing with increasing pressure, from the predictions for a nearly free-electron metal. Plasmon energy calculations based on first-principles electronic band structures and a quasiclassical plasmon model allow us to identify a pre...

2006
Yannick Viossat Sylvain Sorin

Dual reduction (Myerson, 1997) is a technique to reduce finite games in a way that selects among correlated equilibria. This technique is shown to be a useful tool to study Nash equilibria and correlated equilibria and its properties are investigated.

Journal: :Physical review letters 2001
R Govindarajan V S L'vov I Procaccia

Motivated by turbulent drag reduction by minute concentrations of polymers we study the effects of minor viscosity contrasts on the stability of hydrodynamic flows. The key player is a localized region where fluctuations are produced by interactions with the mean flow (the "critical layer"). We show that a layer of weakly space-dependent viscosity placed near the critical layer has a very large...

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