نتایج جستجو برای: outflow

تعداد نتایج: 19313  

2009
E. T. Whelan T. P. Ray F. Bacciotti

It is now apparent that classical T Tauri-like outflows commonly accompany the formation of young brown dwarfs. To date two optical outflows have been discovered and results presented in this paper increase this number to three. Using spectro-astrometry the origin of the LS-RCrA 1 forbidden emission lines in a blue-shifted outflow is confirmed. The non-detection of the red-shifted component of ...

Journal: :Journal of the Royal Society, Interface 2012
E H Zhou R Krishnan W D Stamer K M Perkumas K Rajendran J F Nabhan Q Lu J J Fredberg M Johnson

Primary open-angle glaucoma is associated with elevated intraocular pressure, which in turn is believed to result from impaired outflow of aqueous humour. Aqueous humour outflow passes mainly through the trabecular meshwork (TM) and then through pores formed in the endothelium of Schlemm's canal (SC), which experiences a basal-to-apical pressure gradient. This gradient dramatically deforms the ...

1998
Shardha Jogee Jeffrey D. P. Kenney Beverly J. Smith

We show that the starburst-driven outflow in the peculiar galaxy NGC 2782 forms a well-defined collimated bubble which has an extent of ∼ 1 kpc and a closed shell at its edge, as seen in Hα, [O III], and 5 GHz radio continuum. The shell coincides with the maximum in intensity and linewidths of [O III] lines in a blueshifted emission nebula which was previously detected via optical spectroscopy ...

Journal: :Investigative ophthalmology & visual science 2015
Alexandra Boussommier-Calleja Guorong Li Amanda Wilson Tal Ziskind Oana Elena Scinteie Nicole E Ashpole Joseph M Sherwood Sina Farsiu Pratap Challa Pedro Gonzalez J Crawford Downs C Ross Ethier W Daniel Stamer Darryl R Overby

PURPOSE Mice are commonly used to study conventional outflow physiology. This study examined how physical factors (hydration, temperature, and anterior chamber [AC] deepening) influence ocular perfusion measurements in mice. METHODS Outflow facility (C) and pressure-independent outflow (Fu) were assessed by multilevel constant pressure perfusion of enucleated eyes from C57BL/6 mice. To examin...

2013
Adele L. Plunkett Héctor G. Arce Stuartt A. Corder Diego Mardones Anneila I. Sargent Scott L. Schnee

We present observations of outflows in the star-forming region NGC 1333 using the Combined Array for Research in Millimeter-Wave Astronomy (CARMA). We combined the CO and CO (10) CARMA mosaics with data from the 14-m Five College Radio Astronomy Observatory (FCRAO) to probe the central, most dense and active region of this protostellar cluster at scales from 5′′ to 7′ (or 1000 AU to 0.5 pc at a...

2017
Vikas Gulati Shan Fan Bret J. Gardner Shane J. Havens Marie T. Schaaf Donna G. Neely Carol B. Toris

Purpose This study was designed to evaluate the changes in aqueous humor dynamics (AHD) produced by selective laser trabeculoplasty (SLT) and to explore if baseline AHD parameters are predictive of IOP response to SLT. Methods Thirty-one consecutive subjects diagnosed with ocular hypertension or primary open-angle glaucoma scheduled to undergo SLT as their primary IOP-lowering therapy were en...

2006
Woojin Kwon Leslie W. Looney Richard M. Crutcher Jason M. Kirk

We performed spectral line observations of CO J = 2 → 1, CO J = 1 → 0, and CO J = 1 → 0 and polarimetric observations in the λ = 1.3 mm continuum and CO J = 2 → 1 toward a multiple protostar system, L1448 IRS 3, in the Perseus molecular complex at a distance of ∼ 250 pc, using the BIMA array. In the λ = 1.3 mm continuum, two sources (IRS 3A and 3B) were clearly detected with estimated envelope ...

Journal: :American journal of physiology. Cell physiology 2008
William M Dismuke Chigozirim C Mbadugha Dorette Z Ellis

Nitric oxide (NO) donors decrease intraocular pressure (IOP) by increasing aqueous outflow facility in the trabecular meshwork (TM) and/or Schlemm's canal. However, the cellular mechanisms are unknown. Cellular mechanisms known to regulate outflow facility include changes in cell volume and cellular contractility. In this study, we investigated the effects of NO donors on outflow facility and N...

Journal: :American journal of physiology. Cell physiology 2011
Grant M Sumida W Daniel Stamer

Elevated intraocular pressure is the main risk factor in primary open-angle glaucoma, involving an increased resistance to aqueous humor outflow in the juxtacanalicular region of the conventional outflow pathway which includes the trabecular meshwork (TM) and the inner wall of Schlemm's canal (SC). Previously, sphingosine-1-phosphate (S1P) was shown to decrease outflow facility in porcine and h...

2009
Jeremy Lim

The multiple protostellar system L1551 IRS5 exhibits a large-scale bipolar molecular outflow that spans ∼1.5 pc on both the NE (redshifted) and SW (blueshifted) sides of the system. We have studied this outflow within ∼4000 AU of its driving source(s) with the SubMillimeter Array. Our CO(2–1) image at ∼4 (∼560 AU) resolution reveals three distinct components: 1) an X-shaped structure spanning ∼...

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