نتایج جستجو برای: center and periphery
تعداد نتایج: 16863893 فیلتر نتایج به سال:
Decentralization processes are increasingly becoming the driving force of changes in modern world, and how regional elites use their advantages minimize disadvantages depends on whether they will turn out to be a boon or factor social destruction. It is extremely important conditions that humanitarian sciences contribute conceptualization system-dynamic interdisciplinary knowledge, scope which ...
background: the aim of this study was that the past five years data were collected to analyze the situation of malaria and health facilities in this area for better understanding malaria problem and to find solutions. methods: in this retrospective study data of the last 5 years were obtained from health center of bandar abbas, published papers and reports, weather forecasting organization of t...
It is well established that humans can react more quickly to a visual stimulus in the visual field center than to one in the visual periphery and that the reaction to a stimulus in the visual periphery markedly deteriorates with aging. These tendencies are true in conventional discrimination-reaction tasks. Surprisingly, however, we found that they are entirely different when reactions are indu...
Unlike wild-type mouse melanocytes, where melanosomes are concentrated in dendrites and dendritic tips, melanosomes in dilute (myosin Va-) melanocytes are concentrated in the cell center. Here we sought to define the role that myosin Va plays in melanosome transport and distribution. Actin filaments that comprise a cortical shell running the length of the dendrite were found to exhibit a random...
This article aims to discuss the spread of horizontal condominiums and planned neighborhoods in city Passo Fundo - RS, decade 2010. It is assumed that new real estate products redefine processes socio-spatial segregation, showing dispersion classes middle high income for peripheral areas, traditionally occupied by low-income population. The reframing periphery denotes complexification intra-urb...
For the goal of designing a wearable low vision aid, aspects of both head-mounted display (HMD) design and performance evaluation were integrated into a single study of scanning ability. A head-mounted version of a novel retinal light scanning display known as the virtual retinal display was fabricated for this study. A remote head CCD (charge coupled device) attached approximately at the user’...
The objective of this study was to characterize and differentiate vascular patterns of choroidal melanomas and choroidal metastases by color flow mapping (CFM). We conducted a retrospective chart study on CFM findings in 18 patients with choroidal melanomas and 10 patients with choroidal metastases. We evaluated the possibilities of applying CFM to identify hypo- versus hyper-vascularity within...
Mathematical models of the action potential in the periphery and center of the rabbit sinoatrial (SA) node have been developed on the basis of published experimental data. Simulated action potentials are consistent with those recorded experimentally: the model-generated peripheral action potential has a more negative takeoff potential, faster upstroke, more positive peak value, prominent phase ...
Volume 1—Number 3 © 2007 the Authors Journal Compilation © 2007 International Mind, Brain, and Education Society and Blackwell Publishing, Inc. 128 ABSTRACT — The central and peripheral visual fi elds are structurally segregated in the brain and are differentiated by their anatomical and functional characteristics. While the central fi eld appears well suited for tasks such as visual search, th...
PURPOSE To quantify the error introduced by videokeratographic corneal topography devices in using a paraxial formula to calculate power over the entire corneal surface, including areas removed from the central paraxial region where the formula is known to be invalid. METHODS Corneal refractive power and two paraxial power approximations were computed as a function of distance from the apex f...
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