نتایج جستجو برای: rod
تعداد نتایج: 23234 فیلتر نتایج به سال:
in this research, a braiding-pultrusion production line is developed by modifying a conventional textile maypole braiding machine and adding it to a pultrusion line for production of braid-pultruded (bp) composite rods. in order to evaluate the mechanical properties of bp rods and study the effect of some braiding parameters, they were produced with different braid roving linear densities and b...
background chronic hepatitis c virus (hcv) is associated with extra hepatic autoimmune disorders, while peg-ifna-2a/rbv combination therapy may exacerbate these conditions. autoantibodies to cytoplasmic structures, called rod and ring particles (rr), have strong associations with these patients and are identified by hep-2 cells. objectives our purpose was to study the correlation of autoantibod...
STUDY DESIGN Three types of anterior thoracolumbar multisegmental fixation were biomechanically compared in construct stiffness and rod-screw strain. OBJECTIVES To investigate the effects of rod diameter and rod number on construct stiffness and rod-screw strain in anterior thoracolumbar multisegmental instrumentation. SUMMARY OF BACKGROUND DATA No studies have been undertaken to investigat...
the coordinate transformation allows the exact calculation of some electrode configurations. in this paper the prolate spherical coordination transformation is used to calculate the field of a hyperboloiderod against plan electrode. the exact field is caculated using two new parameters: 1) electrodes spacing and 2) the radius of curvature of the tip of the rod electrode. the partial discharge i...
Background and purpose: Sedation is regarded as a common side effect of most antihistamines, and limits the clinical utility of classical antihistaminic agents, while newer antihistamines are nonsedating. Çonsidering the importance of this phenomenon in the present study, the role of different histamine receptor mechanisms in mediating the sedation were investigated in rat rota rod test. M...
PURPOSE To obtain and analyze scotopic increment threshold functions to test the hypothesis that rod photoreceptor immaturity accounts for the elevation of infants' over controls' dark-adapted thresholds and elevation of parafoveal over peripheral thresholds in infants. METHODS Using a preferential looking method, thresholds for detection of 2(o), 50 msec, blue stimuli presented 10(o) (parafo...
Rod bipolar cells in the macaque monkey retina were labeled by three antibodies: an antibody against the alpha- and beta-subspecies of protein kinase C (PKC), a polyclonal antiserum against the L7 protein from mouse cerebellum, and a monoclonal antibody against rabbit olfactory bulb (MAb 115A 10). The MAb 115A10 antibody also labeled some cone bipolar and some amacrine cells. The antibody again...
The case is a 2-year-old previously healthy girl with coincidental penetrating eye and brain injury. A metal rod was inserted into the skull through the upper border of the right globe. After admission and diagnostic and surgical approaches, the rod was removed under general anesthesia, and no brain hematoma or ocular and significant periocular injuries were detected. No neurologic and ophthalm...
We investigated the impact of rod-bipolar signal transfer on visual sensitivity. Two observations indicate that rod-rod bipolar signal transfer is nonlinear. First, responses of rods increased linearly with flash strength, while those of rod bipolars increased supralinearly. Second, fluctuations in the responses of rod bipolars were larger than expected from linear summation of the rod inputs. ...
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