نتایج جستجو برای: apparent density
تعداد نتایج: 514111 فیلتر نتایج به سال:
Kojima K, Mckinley K, Donohue P, Sigal Y. The high prevalence of inappropriate feeding among infants presenting with an apparent life-threatening event. Turk J Pediatr 2017; 59: 304-310. Although there are anecdotal reports of a link between inappropriate feeding and an apparent life-threatening event (ALTE), previous studies have not examined this association in a cohort of affected infants. T...
It is shown that the differential form of Friedmann equation of a FRW universe can be rewritten as a universal form dE = T dS + W dV at apparent horizon, where E is the Misner-Sharp energy, V is the volume inside the apparent horizon, W = (ρ − P)/2 is the work density and ρ and P are energy density and pressure of the matter in the universe, respectively. From the thermodynamic identity one can...
The band-gap problem and other systematic failures of approximate exchange-correlation functionals are explained from an analysis of total energy for fractional charges. The deviation from the correct intrinsic linear behavior in finite systems leads to delocalization and localization errors in large and bulk systems. Functionals whose energy is convex for fractional charges such as the local d...
Thermal management systems for space equipment commonly use static solutions that do not adapt to environmental changes. Dynamic control of radiative surface properties is one way to respond to environmental changes and to increase the capabilities of spacecraft thermal management systems. This paper documents an investigation of the extent to which origamiinspired surfaces may be used to contr...
Three siblings (1 boy, 2 girls) with hypertension and hypokalemia are presented, two with low plasma aldosterone and suppressed renin activity and the eldest with a high renin and aldosterone level due to secondary changes in her kidneys. Urinary tetrahydrocortisol (THF) was increased relative to tetrahydrocortisone (THE). Cortisol ring A reduction constant was also lower than normal. Thes...
This paper investigates the mechanical and micro-interfacial properties of recycled concrete. Concrete specimens with brick coarse aggregate (RBCA) admixtures 0%, 25%, 50%, 75%, 100% were prepared. Apparent density, slump, tests carried out to evaluate behavior The evolution laws parameters such as compressive strength, peak strain, elastic modulus concrete tested analyzed. Combined numerical a...
The digestion of polysaccharides from the wheat cultivars Caphorn and Isengrain was investigated, and the efficiency of an enzyme preparation was tested using the TNO gastrointestinal model (TIM-1). The apparent digestibility (AD) of carbohydrates was determined based on the measurement of organic matter (OM), total monosaccharides, reducing ends (RE) and end products (EP: glucose, maltose and ...
U. Riebesell1, R. G. J. Bellerby2,3, H.-P. Grossart4, and F. Thingstad5 1Leibniz Institute of Marine Sciences, IFM-GEOMAR, Duesternbrooker Weg 20, 24105 Kiel, Germany 2Bjerknes Centre for Climate Research, University of Bergen, Allégaten 55, 5007, Bergen, Norway 3Geophysical Institute, University of Bergen, Allégaten 70, 5007, Bergen, Norway 4Leibniz Institute of Freshwater Ecology and Inland F...
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