نتایج جستجو برای: r123

تعداد نتایج: 114  

2014
M. O. McLinden S. A. Klein

A completely revised version of the REFPROP refrigerant properties database is described. This program is based on the most accurate pure fluid and mixture models currently available. It implements three models for the thermodynamic properties of pure fluids: the modified Benedict-Webb-Rubin (MBWR) and Helmholtz equations of state, and an extended corresponding states (ECS) model. Mixture calcu...

2014
X. Bai T. A. Newell

The purpose of this study is to investigate the two-phase flow field characteristics in flat plate heat exchangers. The main objectives are the causes of plate wetting/drying, measurement of fluid flow field characteristics, and the effects of enhanced plate passageways. Three types of passageways are being investigated: smooth-walled passageways, chevron-style passageways, and embossed (bumpy)...

1998
STEPHAN DÖPPENSCHMITT PETER LANGGUTH CARL GUNNAR REGÅRDH TOMMY B. ANDERSSON

Interaction with the exsorptive transporter P-glycoprotein (P-gp) is a possible source of peculiarities in drug pharmacokinetics, including dose-dependent absorption, drug–drug interactions, intestinal secretion, and limited permeability of the blood-brain barrier. Among the established in vitro methods of the analysis of drug interactions with P-gp, none directly quantifies the affinity of lig...

2009
I. Yildiz

The objective of this study was to evaluate the effects of relative humidity, light management levels, minimum ventilation rates, CO2 enrichment and canopy size on energy consumption in three different greenhouse systems (conventional, open-loop heat pump, and confined heat pump) in winter, spring, and summer months. No difference was observed in energy consumption with relative humidity set po...

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