نتایج جستجو برای: phan thein tanner ptt model

تعداد نتایج: 2107706  

2002
H. Matallah

This study considers both a single and multi-mode viscoelastic analysis for wirecoating ows. The numerical simulations utilise a nite element time-stepping technique, a Taylor-Petrov-Galerkin/pressure-correction scheme employing both coupled and decoupled procedures between stress and kinematic elds. An exponential Phan-Thien/Tanner model is used to predict pressure-drop and residual stress for...

2009
Hannes Rieser Massimo Poesio

Gestures are usually looked at in isolation or from an intra-propositional perspective essentially tied to one speaker. The Bielefeld multi-modal Speech-AndGesture-Alignment (SAGA) corpus has many interactive gestures relevant for the structure of dialogue (Rieser 2008, 2009). To describe them, a dialogue theory is needed which can serve as a speechgesture interface. PTT (Poesio and Traum 1997,...

Journal: :علوم و تکنولوژی پلیمر 0
سید حسن جعفری حسین علی خنکدار مرتضی احسانی احمد اسدی نژاد

to describe the rheological behavior of polymer blends using emulsionbased (palierne theory) as well as micromechanical models (coranapproach), two immiscible polymeric blend systems of poly(trimethylene terephthalate) (ptt)/polyamide-12 (pa12) and ptt/polyethylene (pe) having different levels of molecular interactions were investigated as model systems. the role of interfacial interactions, vi...

Journal: :Journal of Non-newtonian Fluid Mechanics 2022

We investigate the transient, fluid–structure interaction (FSI) of a non-Newtonian fluid peeling two Hookean sheets at low Reynolds numbers ( R e ≪ 1 ). Two different fluids are considered – simplified Phan–Thien–Tanner (sPTT) model fluid, and an inelastic with shear-thinning viscosity (generalized Newtonian fluid). In limit small gap between sheets, we invoke lubrication approximation numerica...

Journal: :Cell 1998
Richard Waites Harinee R.N. Selvadurai Ian R. Oliver Andrew Hudson

The organs of a higher plant show two fundamental axes of asymmetry: proximodistal and dorsoventral. Dorsoventrality in leaves, bracts, and petal lobes of Antirrhinum majus requires activity of the PHANTASTICA (PHAN) gene. Conditional mutants revealed that PHAN is also required for earlier elaboration of the proximodistal axis. PHAN was isolated and shown to encode a MYB transcription factor ho...

2005
Alexander D. Tattersall Lynda Turner Margaret R. Knox Michael J. Ambrose Julie M.I. Hofer John Innes

Pinnate compound leaves have laminae called leaflets distributed at intervals along an axis, the rachis, whereas simple leaves have a single lamina. In simpleand compound-leaved species, the PHANTASTICA (PHAN) gene is required for lamina formation. Antirrhinum majus mutants lacking a functional gene develop abaxialized, bladeless adult leaves. Transgenic downregulation of PHAN in the compound t...

2009
Abhijit C. Navalekar William R. Michalson

Unintentional Denial of Service (DOS) problems occur in wireless networks such as Wi-Fi due to factors such as signal capture, interference and have been studied extensively in the literature. A similar problem manifests amongst nodes within a LMR network due to different PTT delay characteristics. We first present the typical PTT delay values and distributions followed by an analytical model t...

Journal: :Hypertension 2008
Ahmed Qasem Alberto Avolio

Aortic pulse wave velocity (PWV), calculated from pulse transit time (PTT) using 2 separate pulse recordings over a known distance, is a significant biomarker of cardiovascular risk. This study evaluates a novel method of determining PTT from waveform decomposition of central aortic pressure using a single pulse measurement. Aortic pressure was estimated from a transformed radial pulse and deco...

2016
Mingwu Gao N. Bari Olivier Ramakrishna Mukkamala

Pulse transit time (PTT) measured as the time delay between invasive proximal and distal blood pressure (BP) or flow waveforms (invasive PTT [I-PTT]) tightly correlates with BP PTT estimated as the time delay between noninvasive proximal and distal arterial waveforms could therefore permit cuff-less BP monitoring. A popular noninvasive PTT estimate for this application is the time delay between...

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