نتایج جستجو برای: pressure tunnel

تعداد نتایج: 441047  

Journal: :Postgraduate medical journal 1975
D J Warren L S Otieno

Twenty-three out of thirty-six patients using a forearm arteriovenous fistula for dialysis reported symptoms of carpal tunnel syndrome in the fistula hand during dialysis. By contrast with other reported groups of patients with the syndrome, symptoms were common in male patients, and confined to the non-dominant (fistula) hand. Predialysis venous pressure in the hand and hand volume were increa...

2013
Con Doolan Laura Brooks

This paper presents recent results from an Industry-University-Defence collaborative project whose aim is to characterise the hydroacoustic environment of the Australian Maritime College Cavitation Tunnel. After summarising the operation of the tunnel, a methodology for measuring and processing the hydroacoustic measurements is presented that includes a technique for reducing the level of turbu...

Journal: :journal of artificial intelligence and data mining 0
v. r. kohestani department of civil engineering, central tehran branch, islamic azad university, tehran, iran. m. r. bazarganlari department of civil engineering, east tehran branch, islamic azad university, tehran, iran j. asgari marnani department of civil engineering, central tehran branch, islamic azad university, tehran, iran

due to urbanization and population increase, need for metro tunnels, has been considerably increased in urban areas. estimating the surface settlement caused by tunnel excavation is an important task especially where the tunnels are excavated in urban areas or beneath important structures. many models have been established for this purpose by extracting the relationship between the settlement a...

1998
Vivek Mukhopadhyay

The benchmark active controls technology and wind tunnel test program at NASA Langley Research Center was started with the objective to investigate the nonlinear, unsteady aerodynamics and active flutter suppression of wings in transonic flow. The paper will present the flutter suppression control law design process, numerical nonlinear simulation and wind tunnel test results for the NACA 0012 ...

Ahmad Fahimifar Masoud Ranjbarnia,

This paper addresses the problem of quantifying the mechanical contribution of rockbolts installed systematically around tunnels (regularly spaced around the tunnel) excavated in rock masses. Assuming that the mechanical contribution of grouted rockbolts is that of increasing internal pressure within a broken rock mass, a new procedure for computation of ground response curves for a circular tu...

Extensive wind tunnel tests are conducted to evaluate surface pressure distribution of a semi span swept wing. The wing section has a laminar flow airfoil similar to NACA 6-series airfoils. The investigations are conducted at various speeds and angles of attack. Surface pressure distribution over the wing upper surface is measured for both chordwise and spanwise sections. Statistical analyses a...

Journal: :The Canadian journal of plastic surgery = Journal canadien de chirurgie plastique 2003
Irvin M Wiesman Christine B Novak Susan E Mackinnon Jonathan M Winograd

OBJECTIVE The present study evaluated the sensitivity, specificity and predictive values of six clinical tests in the diagnosis of carpal tunnel syndrome (CTS). METHODS There were 29 carpal tunnel syndrome (CTS) subjects (mean age 48 years) and 30 control subjects (mean age 45 years). The six clinical tests included Tinel's sign, wrist flexion with fingers extended, wrist flexion with fingers...

2005
Rui Chen

This paper presents steady-state (viscous) and timeaccurate (inviscid) numerical solutions of the flowfield inside the Virginia Tech Hypersonic Wind Tunnel (VTHST) with a Mach 4 nozzle. The numerical solutions are obtained using a computational fluid dynamics (CFD) solver named GASP. Comparisons between the steady-state CFD solutions and available experimental data are also presented in this pa...

2008
Dawood Jafari Hooman Shariatzadeh Farid Najd Mazhar Marzieh Nojomi

Background: The pathophysiology of carpal tunnel syndrome is associated with increased intracarpal canal pressure. Recently, palmaris longus has been introduced as an independent risk factor for the development of carpal tunnel syndrome. The purpose of this study was to assess the association of carpal tunnel syndrome with the presence of palmaris longus tendon and functional superficial flexor...

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