Results 11 to 20 of about 70,248 (292)
Principles of CT: Multislice CT [PDF]
Journal of Nuclear Medicine Technology, 2008 This article describes the principles and evolution of multislice CT (MSCT), including conceptual differences associated with slice definition, cone beam effects, helical pitch, and helical scan technique. MSCT radiation dosimetry is described, and dose issues associated with MSCT-and with CT in general-as well as techniques for reducing patient ...
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Principles of CT and CT Technology [PDF]
Journal of Nuclear Medicine Technology, 2007 This article provides a review of the basic principles of CT within the context of the evolution of CT. Modern CT technology can be understood as a natural progression of improvements and innovations in response to both engineering problems and clinical requirements.
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Limitations of CT During PET/CT [PDF]
Journal of Nuclear Medicine, 2007 Our aim was to determine the diagnostic limitations of low-dose, unenhanced CT scans performed for anatomic reference and attenuation correction during PET/CT.The Radiology Information System at our oncologic hospital was queried during the 9-mo period from July 2002 to April 2003 for patients with PET/CT scans and diagnostic enhanced CT within 2 wk of
Marc J. Gollub +3 more
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Blood donor profile at Oran blood transfusion center
Journal de la Faculté de Médecine d'Oran, 2022 Objectives - This study aims to describe the socio-demographic characteristics and motivations of blood donors at the Blood Transfusion Center of the University Hospital Center of Oran, to analyze their immuno-hematological and microbiological data ...
Sara Ayad, Tahria Deba
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ACTIO: Docência em Ciências, 2019 The aim of this study was to analyze the implications of the planning and execution of a teaching proposal on Earth and the Universe, considering the Science, Technology and Society (STS) perspective, from the discussions promoted by a teacher.
Bruna Cristina Carvalho Gomes +1 more
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Revista de Ensino de Ciências e Matemática, 2020 O objetivo deste trabalho foi investigar o entendimento de professores dos Anos Iniciais do Ensino Fundamental na rede municipal de Alegrete/RS acerca dos conceitos entre Ciência, Tecnologia, Sociedade (CTS) e suas interações. Para a coleta de dados, foi
Werner Zacarias Lopes +2 more
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Revista Brasileira da Educação Profissional e Tecnológica, 2017 Considerando que a formação profissional e tecnológica ainda está muito ligada a enfoques eminentemente técnicos, as influências recíprocas entre as trocas sociais e os desenvolvimentos científicos e tecnológicos encontrar-se num ponto de indefinição ...
Augusto Sávio Guimarães do Nascimento +2 more
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Research in Education and Learning Innovation Archives, 2023 This study aims to determine the effectiveness of the Culturo-Techno-Contextual Approach (CTCA) on students’ achievement and critical thinking skills in Computer Studies. The study was conducted in two phases. Phase one was a survey of difficult concepts
Olasunkanmi A. Gbeleyi +2 more
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Performance Evaluation of a Helper Initiated Distributed Cooperative Medium Access Control Protocol for Wireless Networks [PDF]
International Journal of Electronics and Telecommunications, 2019 Cross layer cooperative protocol which exploits the benefits of physical layer cooperative communication, is one of the widely recognized MAC layer protocol design strategies for future wireless networks.
Md. Ruhul Amin, Md. Shohrab Hossain
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