نتایج جستجو برای: initial hoop tension
تعداد نتایج: 425517 فیلتر نتایج به سال:
Photochemical interconversion between the red-absorbing (P(r)) and the far-red-absorbing (P(fr)) forms of the photosensory protein phytochrome initiates signal transduction in bacteria and higher plants. The P(r)-to-P(fr) transition commences with a rapid Z-to-E photoisomerization at the C(15)=C(16) methine bridge of the bilin prosthetic group. Here, we use femtosecond stimulated Raman spectros...
This study was designed to characterize in vivo arterial remodeling of male Wistar rat small mesenteric arteries exposed to varying levels of elevated blood flow in the presence of normal arterial pressure. Through a series of arterial ligations, respective ileal artery and second-order branch blood flows acutely increased ∼36 and ∼170% over basal levels. Their respective diameters increased 12...
Left ventricular (LV) myocardial contractility, or inotropic state, was characterized in terms of the instantaneous relations between velocity of circumferential fiber shortening (V0F), determined cineangiographically, and LV wall tension (hoop stress), calculated from LV dimensions and pressure, in five patients before and 7 to 10 mo after aortic valve replacement for free aortic regurgitation...
0308-521X/$ see front matter 2010 Elsevier Ltd. A doi:10.1016/j.agsy.2010.06.003 * Corresponding author. Tel.: +1 515 294 4637; fax E-mail address: [email protected] (P.J. Lam This study evaluates energy and carbon use by two types of facilities—conventional confinement and hoop barn-based—within farrow-to-finish pig production systems scaled to produce 5200 and 15,600 market pigs annually i...
Retrospective review of 730 consecutive primary uncemented and cemented total hip arthroplasties revealed 19 intra-operative hoop-stress fractures of the femoral neck. These were incomplete, linear, and minimally displaced. Management was by cerclage wiring (12), bone graft and cerclage (two), further impaction (two), and the use of cement (three), with no change from our standard postoperative...
in this paper, an experimental and numerical investigation into the effect of the hoop welding in metallic pressure vessel is presented. in the experimental manufacturing, hoop welding was used to attach the cylindrical body of the vessel, and the effect of welding into stress and strain distribution is carried out. experimental strains are obtained by using the strain gauges attached to predet...
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