نتایج جستجو برای: آنالیز hot spot

تعداد نتایج: 152529  

Journal: :Nano letters 2012
T S Kao E T F Rogers J Y Ou N I Zheludev

We show that a plasmonic metamaterial can act as a far-field to near-field transformer that focuses a free-space beam of light into a subwavelength energy hot spot at a prescribed location with a spot size only a small fraction of the wavelength. The hot spot position on the metamaterial can be prescribed and moved at will from one metamolecule of the array to another in a "digital" fashion sim...

Journal: :Annals of nuclear medicine 2001
H Zhang T Inoue M Tian S Alyafei N Oriuchi N Khan S Li K Endo

The aim of this study was to explore the correlations of detectability and the semi-quantification for hot spot imaging with positron emitters in positron emission tomography (PET) and with a positron coincidence detection system (PCD). Phantom study results for the measurement of the lesion-to-background (L/B) ratio ranged from 2.0 to 30.3, and detectability for hot spot lesion of PET and PCD ...

2012
Rekha Saxena B.N. Nagpal M.K. Das Aruna Srivastava Sanjeev Kumar Gupta Anil Kumar A.T. Jeyaseelan Vijay Kumar Baraik

BACKGROUND & OBJECTIVES The presence of efficient malaria vectors namely Anopeles culicifacies, An. fluviatilis and An. annularis (Diptera: Culicidae), rapid industrialization causing large influx of population and poor health infrastructure are some of the factors that make malaria an important public health problem in Ranchi, the capital of Jharkhand State, India. A geographical information s...

Journal: :iranian journal of radiation research 0
m.a. mosleh-shirazi department of radiotherapy and oncology, shiraz university of medical sciences, shiraz, iran s. norouzi department of radiotherapy and oncology, shiraz university of medical sciences, shiraz, iran m. ansari department of radiotherapy and oncology, shiraz university of medical sciences, shiraz, iran n. ahmadloo department of radiotherapy and oncology, shiraz university of medical sciences, shiraz, iran s.m.j. mortazavi the center for research on protection against ionizing and non-ionizing radiation, shiraz university of medical sciences, shiraz, iran s. karbasi department of radiotherapy and oncology, shiraz university of medical sciences, shiraz, iran

background: in intracavitary brachytherapy for gynecological cancers, various techniques are used to locate the anterior rectal wall nearest to the sources but there is no consensus on the best method to do so. this study aimed to compare a technique used routinely in some centers that employs a wire marker to locate the position of the maximum rectal dose point, versus the method recommended b...

2002
Khalid Suliman Al-Tahat Sufian Bin Idris Tengku M. T. Sembok Mohamed Yousof

Frameworks can be seen as generative since they are intended and well suited to be used as the foundation for the development of a number of applications in the domain captured by the framework. A framework defines a high-level language with which applications within a domain are created through specialization. Specialization takes place at points of predefined refinement that are called hot sp...

Journal: :Optics express 2012
Prathamesh Pavaskar Jesse Theiss Stephen B Cronin

Thin Au films (~5 nm) are known to form island-like structures with small gaps between the islands, which produce intense electric field "hot spots" under visible illumination. In this work, we perform finite difference time domain (FDTD) simulations based on experimentally observed high resolution transmission electron microscope (HRTEM) images of these films in order to study the nature of th...

Manoochehr Karami Masoud Bahrami Masoud Parvin Meysam Olfatifar, Seyed Mehdi Hosseini

Background and aims: One of the most common approach to understanding spatial and temporal trends of event data is to break it up into a series of time snapshots. Therefore space-time cube method applied in order to portray the likely trend in occurrence of the pulmonary tuberculosis (TB) cases. Methods: In this study, information of all patients with pul...

Journal: :IEEE Trans. Parallel Distrib. Syst. 1995
Xiaodong Zhang Yong Yan Robert Castañeda

Hot spot content ion on a network-based sharedmemory architecture occurs when a large number of processors try to access a globally shared variable across the network. While Multistage Interconnection Network (MIN) and Hierarchical Ring (HR) structures are two important bases on which to build large scale shared-memory multiprocessors, the different interconnection networks and cache/memory sys...

2016
P. Fanton R. La Greca V. Jain J-G. Simiz S. Hunsche Benoît Lauras

At the 28nm technology node and below, hot spot prediction and process window control across production wafers have become increasingly critical. We establish proof of concept for ASML’s holistic lithography hot spot detection and defect monitoring flow, process window optimizer (PWO), for a 28nm metal layer process. We demonstrate prediction and verification of defect occurenceon wafer that ar...

Journal: :Science 2004
V G Kunde F M Flasar D E Jennings B Bézard D F Strobel B J Conrath C A Nixon G L Bjoraker P N Romani R K Achterberg A A Simon-Miller P Irwin J C Brasunas J C Pearl M D Smith G S Orton P J Gierasch L J Spilker R C Carlson A A Mamoutkine S B Calcutt P L Read F W Taylor T Fouchet P Parrish A Barucci R Courtin A Coustenis D Gautier E Lellouch A Marten R Prangé Y Biraud C Ferrari T C Owen M M Abbas R E Samuelson F Raulin P Ade C J Césarsky K U Grossman A Coradini

The Composite Infrared Spectrometer observed Jupiter in the thermal infrared during the swing-by of the Cassini spacecraft. Results include the detection of two new stratospheric species, the methyl radical and diacetylene, gaseous species present in the north and south auroral infrared hot spots; determination of the variations with latitude of acetylene and ethane, the latter a tracer of atmo...

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