نتایج جستجو برای: outflow rates

تعداد نتایج: 453851  

2004
René Liseau

The high spatial and spectral resolution offered by the new generation of infrared spectrometers at ESO is optimally suited for the observational study of outflows from young stellar objects. Models of interstellar shock waves would benefit from observations of spectrally resolved line profiles. This applies also to attempts of measuring the rotation rates of jets very close to their driving so...

Journal: :Investigative ophthalmology & visual science 2013
Vikas Gulati Shan Fan Cassandra L Hays Thomas W Samuelson Iqbal Ike K Ahmed Carol B Toris

PURPOSE To study the effect on outflow facility and outflow resistance of a nitinol microstent implanted into Schlemm's canal. METHODS Using a constant pressure perfusion method, outflow facility and outflow resistance were measured in 26 pairs of dissected anterior segments from donated human eyes. Measurements were made at perfusion pressures of 10, 20, 30 and 40 mm Hg. The Hydrus Microsten...

Journal: :Investigative ophthalmology & visual science 2009
Youwen Zhang Bryan R Davidson W Daniel Stamer Jennifer K Barton Lihua Y Marmorstein Alan D Marmorstein

PURPOSE Bestrophin-2 (Best2), a putative Cl(-) channel is expressed in the nonpigmented epithelium (NPE). Disruption of Best2 in mice results in a diminished intraocular pressure (IOP). Aqueous humor dynamics were compared in Best2(+/+) and Best2(-/-) mice, to better understand the contribution of Best2 to IOP. METHODS Measurements of IOP, episcleral venous pressure (EVP), conventional outflo...

Journal: :Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit 2010
G A Saeed

Haematometra is a condition where blood collects in the uterine cavity when the outflow is obstructed. The commonest causes include congenital absence of the cervix or vagina and cervical conization. With the increasing rates of operative delivery in developing countries, untrained doctors are performing operations. This case report describes a woman with haematometra after caesarean section 4 ...

1999
Andrés Maldonado C. Hans Nelson

This study provides an integrated view of the growth patterns and factors that controlled the evolution of the Gulf of Cadiz continental margin based on studies of the tectonic, sedimentologic and oceanographic history of the area. Seven sedimentary regimes are identified, but there are more extensive descriptions of the late Cenozoic regimes because of the larger data base. The regimes of the ...

2010
O. J. Brambles W. Lotko P. A. Damiano B. Zhang M. Wiltberger J. Lyon

[1] It is widely accepted that the ionosphere is an important source of ions in the magnetosphere and until recently this population has largely been neglected from many global simulations. In this study, a causally regulated cusp O outflow is added to the multifluid version of the Lyon‐Fedder‐Mobarry (LFM) global simulation. The cusp outflow algorithm uses empirical relationships to regulate t...

2009
Iuliu Sorin Pop Ben Schweizer

We analyze regularization schemes for the Richards equation and a time discrete numerical approximation. The original equations can be doubly degenerate, therefore they may exhibit fast and slow diffusion. Additionally, we treat outflow conditions that model an interface separating the porous medium from a free flow domain. In both situations we provide a regularization with a non-degenerate eq...

Understanding the variations of streamflow of rivers is an important prerequisite for designing hydraulic structures as well as managing surface water resources in basins. An overview of the impact of climate change on the streamflow in the Hablehroud River, the main river of a semi-arid basin in north-central Iran, is provided. Using the LARS-WG statistical downscaling model, the outputs of Ha...

2001
H. Beuther P. Schilke F. Wyrowski

Well established correlations of low-mass flows show a continuity in the high-mass regime, and mean accretion rates for L > 1000 L ⊙ are ˙ M accr ∼ 10 −4 M ⊙ yr −1. We also present a tight correlation between outflow masses and core masses, which implies that the accretion rate is to first order a linear function of the core mass. All those results support the idea that similar physical process...

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