منابع مشابه
A Novel Cylindrical DRA for C-Band Applications
In this paper, we study a Dielectric Resonator Antenna of cylindrical shape with circular polarization for applications in the C band. The proposed antenna is composed of two different layers. The first is Polyflon Polyguide with relative permittivity εr1 = 2.32 and a loss tangent tanδ = 0.002 as a lower layer. The second is Rogers RO3010 with relative permittivity εr2 = 10.2 and a loss tangent...
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Resumen. OBJETIVO: Estudiar la efectividad relativa de las técnicas de entrevista abierta y entrevista independiente de contexto en la identificación de requisitos para sistemas software. MÉTODO: Experimento controlado ensayando dos factores: “tipo de entrevista” (abierta e independiente de contexto) y “tipo de problema” (identificación de requisitos para dos sistemas software distintos). Debid...
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The incidence rate of central nervous system tumors in the USA is 14.8/100,000 people per year.1 Within these, the malignant CNS tumors are accountable for at least 12,760 deaths for the year 2005 (1). The CNS tumors incidence in the USA is associated with male gender, Caucasian race, metropolitan area residents, and the elderly population (2). CNS tumor incidence in the USA has been studied an...
متن کاملScott processes
The Scott process of a relational structure M is the sequence of sets of formulas given by the Scott analysis of M . We present axioms for the class of Scott processes of structures in a relational vocabulary τ , and use them to give a proof of an unpublished theorem of Leo Harrington from the 1970’s, showing that a counterexample to Vaught’s Conjecture has models of cofinally many Scott ranks ...
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The tools for capturing and sharing photos and videos have exploded to the point of ubiquity. Internet photo collections of popular landmarks now contain over a decade’s worth of photographs; thousands of timelapse scenes are available on video sharing websites; live cameras stream real-time videos of many scenes 24 hours a day; high-resolution images of an entire face of the earth are availabl...
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ژورنال
عنوان ژورنال: Conexão Ciência (Online)
سال: 2019
ISSN: 1980-7058,1679-5679
DOI: 10.24862/cco.v14i1.1053