Results 31 to 40 of about 1,330,081 (158)

Relationship between oxygen supply and cerebral blood flow assessed by transcranial Doppler and near-infrared spectroscopy in healthy subjects during breath-holding [PDF]

open access: yes, 2006
Background Breath – holding (BH) is a suitable method for inducing cerebral vasomotor reactivity (VMR). The assessment of VMR is of clinical importance for the early detection of risk conditions and for the follow-up of disabled patients.
LIBONI W   +10 more
core   +1 more source

A semiquantitative color Doppler ultrasound scoring system for evaluation of synovitis in joints of patients with blood-induced arthropathy

open access: yesInsights into Imaging, 2021
Background Intra-articular bleeds in patients with inherited bleeding disorders lead to active synovitis which may progress to a chronic state over time.
Ningning Zhang   +18 more
doaj   +1 more source

Efficacy of color Doppler ultrasound and contrast-enhanced ultrasound in identifying vascular invasion in pancreatic ductal adenocarcinoma

open access: yesInsights into Imaging
Objectives To compare color Doppler ultrasound and contrast-enhanced ultrasound (CEUS) in evaluating vascular invasion in pancreatic ductal adenocarcinoma (PDAC).
Wan-Ying Jia   +13 more
doaj   +1 more source

IX Congreso Nacional del Color : Alicante, 29 y 30 de junio, 1 y 2 de julio de 2010 : libro de actas [PDF]

open access: yes, 2010
El color representa un aspecto tan presente en nuestras vidas, tan interdisciplinar (necesita de varias disciplinas para su comprensión integral) y multidisciplinar (se puede aplicar a varias disciplinas), este congreso siempre pretende ser un foro de ...
IX Congreso Nacional del Color
core   +1 more source

Knowing color terms enhances recognition: Further evidence from English and Himba [PDF]

open access: yes, 2009
Two experiments attempted to reconcile discrepant recent findings relating to children’s color naming and categorization. In a replication of Franklin and colleagues (Journal of Experimental Child Psychology, 90 (2005) 114–141), Experiment 1 tested ...
Davidoff, Jules B.   +5 more
core   +2 more sources

Una mirada a la seguridad del ultrasonido en ecotomografía obstétrica

open access: yesRevista Chilena de Obstetricia y Ginecología, 2022
Los índices térmico y mecánico son estimadores de riesgo fetal en una ecografía y se deben controlar sus valores minimizando la exposición. Comparamos los valores de los índices térmico y mecánico obtenidos en exámenes ecográficos obstétricos de ...
Jorge Jeldes-Maturana   +7 more
doaj   +1 more source

Proposta de avaliação da insuficiência venosa profunda infra-patelar ao eco color Doppler [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Ciências Médicas, Florianópolis, 2015.Introdução: A insuficiência venosa crônica é uma doença comum e de morbidade elevada, com ...
Horn, Marisa Helena da Silva
core  

Single camera three component planar velocity measurements, using two frequency Planar Doppler Velocimetry (2v-PDV) (2005) [PDF]

open access: yes, 2005
The work presented here describes a method that allows three component velocity measurements to be made, quickly and non-intrusively, across a plane in a flow defined by a laser light sheet. The method, two frequency planar Doppler Velocimetry (2v-PDV)
Charrett, Thomas O. H.   +5 more
core   +1 more source

Munsell soil color charts

open access: yes, 2009
[30] p.Las Munsell Soil Color Charts constituyen un método para evaluar el tipo de suelo presente en una zona determinada. El libro está diseñado de manera que permite a los usuarios evaluar el color del suelo en terreno de manera rápida y sencilla.

core   +1 more source

Influence of technology, color architecture and bit-depth of optoelectronic imaging sensors used as color measurement instruments [PDF]

open access: yes, 2005
Digital image capture devices cannot be used directly as instruments for color measurement. The main stages for characterizing a digital image capture device as an instrument for color measurement are the spectral and spatial characterization and the ...
Martínez-Verdú, Francisco M.   +9 more
core   +1 more source

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