Results 21 to 30 of about 126,128 (178)

LECX: a cubesat experiment to detect and localize cosmic explosions in hard X rays [PDF]

open access: yes, 2020
With the advent of the nanosat/cubesat revolution, new opportunities have appeared to develop and launch small ($\sim$\ts 1000 cm$^3$), low-cost ($\sim$\ts US\$ 1M) experiments in space in very short timeframes ($\sim$ 2\ts years). In the field of high-energy astrophysics, in particular, it is a considerable challenge to design instruments with ...
arxiv   +1 more source

Aspectos tomográficos da órbita aguda infecciosa: revisão de literatura

open access: yesRevista Brasileira de Oftalmologia, 2014
As doenças que acometem a órbita de forma aguda e não traumática por vezes não são conhecidas por médicos em centros de emergência. Essas condições são decorrentes de diversos fatores, como desordens imunológicas, congênitas, infecciosas, vasculares ...
Ana Célia Baptista Koifman   +5 more
doaj   +1 more source

Processos expansivos da cavidade nasal: avaliação por tomografia computadorizada

open access: yesRevista Brasileira de Cancerologia, 2004
Foram analisados, neste trabalho, os aspectos clínicos e tomográficos de 20 pacientes portadores de lesão expansiva com centro na cavidade nasal, sem tratamento cirúrgico prévio.
Vinicius França de Mendonça
doaj   +1 more source

Blocking Coloured Point Sets [PDF]

open access: yesIn Thirty Essays on Geometric Graph Theory (J\'anos Pach, ed.), 31-48, Springer, 2012, 2010
This paper studies problems related to visibility among points in the plane. A point $x$ \emph{blocks} two points $v$ and $w$ if $x$ is in the interior of the line segment $\bar{vw}$. A set of points $P$ is \emph{$k$-blocked} if each point in $P$ is assigned one of $k$ colours, such that distinct points $v,w\in P$ are assigned the same colour if and ...
arxiv   +1 more source

Aspectos básicos de tomografia computadorizada e ressonância magnética [PDF]

open access: yes, 2001
King's College Institute of Psychiatry Division of Psychological MedicineUniversidade de São Paulo Faculdade de Medicina Hospital das ClínicasUniversidade Federal de São Paulo (UNIFESP) Escola Paulista de Medicina Departamento de Medicina por ...
Amaro Junior, Edson   +1 more
core   +4 more sources

Clasificación de planos torcidos graduados [PDF]

open access: yesarXiv, 2023
In this thesis, an almost complete classification of all graduated twisted tensorial products of $K[x]$ with $K[y]$ is obtained. We obtain a particular example and three main cases: quadratic algebras, classified by Conner and Goetz by a different method, a family called $A(n,d,a)$ with the property of $(n+1)$-extension for $n>1$, and a third case, not
arxiv  

Reasons for the administrative efficiency related to ultrassonography, computed tomography and magnetic resonance imaging tests in orbital diseases [PDF]

open access: yes, 2007
PURPOSES:This study focuses the orbital exams of ultrassononography (US), computed tomography (CT) and magnetic resonance imaging (MRI), and has the following purposes: Collecting the paid amounts by Sistema Único de Saúde (SUS), Associação Médica ...
Couto Júnior, Abelardo De Souza   +2 more
core   +2 more sources

Espessamento do tendão muscular na oftalmopatia de Graves

open access: yesRevista Brasileira de Oftalmologia, 2011
OBJETIVO: Estudar a frequência do espessamento do tendão muscular em pacientes com oftalmopatia de Graves buscando estabelecer correlações com as diferentes formas clínicas da doença.
Elvira Barbosa Abreu
doaj   +1 more source

Congenital bronchial atresia: report of two cases. Contribution of CT scan to diagnosis [PDF]

open access: yes, 2000
Bronchial atresia is a rare, congenital anomaly characterized by the presence of bronchocele with distal hyperinflation. The authors report two cases of segmental bronchial atresia and describe the clinical and roentgenographic findings supporting the ...
Barreto, Ana Paula Andrade   +3 more
core   +2 more sources

Classifying radius fractures with X-ray and tomography imaging [PDF]

open access: yes, 2009
INTRODUÇÃO: Este estudo avaliou a confiabilidade interobservador da radiografia simples versus tomografia computadorizada para as classificações Universal e AO em fraturas do rádio distal. PACIENTES e MÉTODOS: Cinco observadores classificaram 21 fraturas
GOMES, Fabiano Cortese Paula   +6 more
core   +2 more sources

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