نتایج جستجو برای: Sulfurhexafluoride

تعداد نتایج: 8  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2004
azzedine abbaci

the thermodynamic properties of fluids can be predicted using the global equations of state. among these thermodynamic properties of fluids, we choose the densities of the liquid and vapor phases. this paper considers the application of the crossover model to the vapor-liquid rectilinear diameter of sulfurhexafluoride. we also present a comparison of the crossover model equation with the experi...

The thermodynamic properties of fluids can be predicted using the global equations of state. Among these thermodynamic properties of fluids, we choose the densities of the liquid and vapor phases. This paper considers the application of the crossover model to the vapor-liquid rectilinear diameter of sulfurhexafluoride. We also present a comparison of the crossover model equation with ...

2007
P. M. van Bodegom B. van den Hout P. A. Leffelaar J. Goudriaan

A fully mechanistic model based on diffusion equations for gas transport in a flooded rice system is presented. The model has transport descriptions for various compartments in the water-saturated soil and within the plant. Plant parameters were estimated from published data and experiments independent of the validation experiment. An independent experiment is described in which the diffusion c...

Journal: :Journal of applied physiology 1998
A M Lauzon A R Elliott M Paiva J B West G K Prisk

We studied the phase relationships of the cardiogenic oscillations in the phase III portion of single-breath washouts (SBW) in normal gravity (1 G) and in sustained microgravity (microG). The SBW consisted of a vital capacity inspiration of 5% He-1.25% sulfurhexafluoride-balance O2, preceded at residual volume by a 150-ml Ar bolus. Pairs of gas signals, all of which still showed cardiogenic osc...

Journal: :Kathmandu University medical journal 2008
R Thapa M K Shrestha R Gurung S Ruit G Paudyal

BACKGROUND Rhegmatogenous retinal detachment is one of the commonly encountered retinal problems where timely treatment could prevent irreversible vision loss. Pneumatic retinopexy (PR) is a simple and minimally invasive procedure for retinal reattachment. AIM This study aimed to assess the outcome of pneumatic retinopexy in primary rhegmatogenous retinal detachment at our facility. STUDY D...

2008
ALISON J. MILLIMAN

Increased loads of watershed nitrogen (N) are a major cause of water quality degradation, especially in coastal waters. According to regional budgets, only 20-30% of watershed N inputs reach coastal waters indicating there are N “sinks” across the landscape. Headwater streams can generate substantial N processing; however, several studies have observed minimal N retention within-streams. We ass...

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