نتایج جستجو برای: injection in wall
تعداد نتایج: 17023020 فیلتر نتایج به سال:
BACKGROUND Cell-based therapies for treatment of ischemic heart disease are currently under investigation. We previously reported the results of a phase I trial of transendocardial injection of autologous bone marrow mononuclear (ABMM) cells in patients with end-stage ischemic heart disease. The current report focuses on postmortem cardiac findings from one of the treated patients, who died 11 ...
Heavy ion beam driven inertial fusion energy (IFE) power plants employ liquid wall materials to protect the structure against the energetic x-rays, ions, and debris emitted from the target following each shot. The objective of this assessment is to identify the radiological issues of the candidate liquid wall materials (Pb, LiPb, Sn, and Flibe) using the ARIES-IFE radiation chamber environment....
abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...
The mouse is an important model for the development of therapeutic stem cell/bone marrow cell implantation to treat ischemic myocardium. However, its small heart size hampers accurate implantation into the left ventricular (LV) wall. Precise injections have required surgical visualization of the heart, which is subject to complications and is impractical for delayed or repeated injections. Furt...
We develop a reduced-order model for large-scale unsteadiness (vortex shedding) in a two-dimensional diffuser and use the model to show how periodic mass injection near the separation point reduces stagnation pressure loss. The model estimates the characteristic frequency of vortex shedding and stagnation pressure loss by accounting for the accumulated circulation due to the vorticity flux into...
Experimental and numerical studies of the fluid dynamics of thin liquid film wall protection systems have been conducted in support of the ARIES-IFE study. Both the porous “wetted wall” concept, involving low-speed injection through a porous wall normal to the surface, and the “forced film” concept, involving high-speed injection through slots tangential to the surface, have been examined. Thes...
Abstract In light of measuring the fast ionized particle confinement in stellarator Wendelstein 7-X, particles generated by neutral beam injection system are simulated to determine placement an array Faraday-cup ion loss detectors. This is important due localization pattern, which changes drastically with experimental parameters. The Monte Carlo codes BEAMS3D and ASCOT5 used for simulations, fo...
Injection molding of high quality thin-wall parts is a challenge due to the high values of the shear stress in the melt flow, which affect the morphology of the moldings and their consequent shrinkage and warpage. In this work, the effect of the injection molding processing conditions on the dimensional accuracy of thin-wall fiber-reinforced parts was studied. The reduction of the shrinkage was...
OBJECTIVES To compare cine MR b-TFE sequences acquired before and after gadolinium injection, on a 3T scanner with a parallel RF transmission technique in order to potentially improve scanning time efficiency when evaluating LV function. METHODS 25 consecutive patients scheduled for a cardiac MRI were prospectively included and had their b-TFE cine sequences acquired before and right after ga...
We investigate the dynamics of a one-dimensional asymmetric exclusion process with Langmuir kinetics and a fluctuating wall. At the left-hand boundary, particles are injected onto the lattice; from there, the particles hop to the right. Along the lattice, particles can adsorb or desorb, and the right-hand boundary is defined by a wall particle. The confining wall particle has intrinsic forward ...
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