Microcirculation In Fractal Branching Networks
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Microcirculation In Fractal Branching Networks
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Author : Tatsuhisa Takahashi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-17
Microcirculation In Fractal Branching Networks written by Tatsuhisa Takahashi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-17 with Medical categories.
This book presents a new method for analyzing the structure and function of the biological branching systems of fractal trees, with a focus on microcirculation. Branching systems in humans (vascular and bronchial trees) and those in the natural world (plants, trees, and rivers) are characterized by a fractal nature. To date, fractal studies have tended to concentrate on fractal dimensions, which quantify the complexity of objects, but the applications for practical use have remained largely unexplored. This book breaks new ground with topics that include the human retinal microcirculatory network, oxygen consumption by vascular walls, the Fåhraeus-Lindqvist effect, the bifurcation exponent, and the asymmetrical microvascular network. Readers are provided with simple formulas to express functions and a simulation graph with in vivo data. The book also discusses the mechanisms regulating blood flow and pressure and how they are related to pathological changes in the human body. Researchers and clinicians alike will find valuable new insights in these pioneering studies.
Microcirculation In Fractal Branching Networks
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Author : Tatsuhisa Takahashi
language : en
Publisher:
Release Date : 2013-10-31
Microcirculation In Fractal Branching Networks written by Tatsuhisa Takahashi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-31 with categories.
Modelling Of Flow And Transport In Fractal Porous Media
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Author : Jianchao Cai
language : en
Publisher: Elsevier
Release Date : 2020-11-05
Modelling Of Flow And Transport In Fractal Porous Media written by Jianchao Cai and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-05 with Science categories.
This important resource explores recent theoretical advances and modelling on fluids transport in fractal porous systems and presents a systematic understanding of the characterization of complex microstructure and transport mechanism in fractal porous media. Modelling of Flow and Transport in Fractal Porous Media shows how fractal theory and technology, combined with other modern experiments and numerical simulation methods, will assist researchers and practitioners in modelling of transport properties of fractal porous media, such as fluid flow, heat and mass transfer, mechanical characteristics, and electrical conductivity. - Presents the main methods and technologies for transport characterization of fractal porous media, including soils, reservoirs and artificial materials - Provides the most recent theoretical advances in modelling of fractal porous media, including gas and vapor transport in fibrous materials, nonlinear seepage flow in hydrocarbon reservoirs, mass transfer of porous nanofibers, and fractal mechanics of unsaturated soils - Includes multidisciplinary examples of applications of fractal theory to aid researchers and practitioners in characterizing various porous media structures
The Fractal Geometry Of The Brain
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Author : Antonio Di Ieva
language : en
Publisher: Springer Nature
Release Date : 2024-03-12
The Fractal Geometry Of The Brain written by Antonio Di Ieva and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-12 with Science categories.
The new edition of the highly popular, The Fractal Geometry of the Brain, reviews the most intriguing applications of fractal analysis in neuroscience with a focus on current and future potential, limits, advantages, and disadvantages. It brings an understanding of fractals to clinicians and researchers even if they do not have a mathematical background, and it serves as a valuable tool for teaching the translational applications of computational fractal-based models to both students and scholars. As a consequence of the novel research developed at Professor Di Ieva's laboratory and other centers around the world, the second edition will explore the use of computational fractal-based analysis in many clinical disciplines and different fields of research, including neurology and neurosurgery, neuroanatomy and psychology, magnetoencephalography (MEG), eye-tracking devices (for the fractal computational characterization of “scanpaths”),deep learning in image analysis, radiomics for the characterization of brain MRIs, characterization of neuropsychological and psychiatric diseases and traits, signal complexity analysis in time series, and functional MRI, amongst others.
Personalized Computational Hemodynamics
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Author : Yuri Vassilevski
language : en
Publisher: Academic Press
Release Date : 2020-04-19
Personalized Computational Hemodynamics written by Yuri Vassilevski and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-19 with Science categories.
Personalized Computational Hemodynamics: Models, Methods, and Applications for Vascular Surgery and Antitumor Therapy offers practices and advances surrounding the multiscale modeling of hemodynamics and their personalization with conventional clinical data. Focusing on three physiological disciplines, readers will learn how to derive a suitable mathematical model and personalize its parameters to account for pathologies and diseases. Written by leading experts, this book mirrors the top trends in mathematical modeling with clinical applications. In addition, the book features the major results of the "Research group in simulation of blood flow and vascular pathologies" at the Institute of Numerical Mathematics of the Russian Academy of Sciences. Two important features distinguish this book from other monographs on numerical methods for biomedical applications. First, the variety of medical disciplines targeted by the mathematical modeling and computer simulations, including cardiology, vascular neurology and oncology. Second, for all mathematical models, the authors consider extensions and parameter tuning that account for vascular pathologies. - Examines a variety of medical disciplines targeted by mathematical modeling and computer simulation - Discusses how the results of numerical simulations are used to support clinical decision-making - Covers hemodynamics relating to various subject areas, including vascular surgery and oncological tumor treatments
Multi Scale Computational Cardiology
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Author : Ling Xia
language : en
Publisher: Frontiers Media SA
Release Date : 2022-03-07
Multi Scale Computational Cardiology written by Ling Xia and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-07 with Science categories.
The Cardiovascular System During Exercise And Recovery
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Author : Tatsuhisa Takahashi
language : en
Publisher: Springer Nature
Release Date : 2025-02-04
The Cardiovascular System During Exercise And Recovery written by Tatsuhisa Takahashi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-04 with Medical categories.
This book highlights circulatory dynamics and cardiovascular control during exercise and post-exercise and recovery. Composed of seven chapters, it begins with an introduction to the enhanced recovery of heart rate to its pre-exercise resting level by light exercise, compared with heart rate during complete-rest recovery. The second chapter deals with similar time courses of mean blood pressure during recovery from exercise in an upright and a supine position. The recovery of a slowly decreasing heart rate after exercise is shown in the third chapter and facilitated by cool-down exercise. Chapter four addresses that a biphasic change in heart rate at the onset of light exercise, occurs from rest in upright, but not in a supine posture. The book then highlights postexercise regulation of the cardiovascular system between inactive and active recovery from moderate cycle exercise in an upright and a supine position in the fifth chapter. Chapter six demonstrates the differences in bloodflow velocity in the femoral artery measured by Doppler ultrasound velocimetry between inactive, passive, and active recovery. The book finally presents the Doppler measurement of blood flow velocity in the middle cerebral artery at rest and during cycle exercise and compares measurements between men and women. This publication aims for a broad audience that includes medical students and residents, graduate students in the medical sciences, kinesiology, biomedical engineering, and sports medicine, specialists in aerospace medicine and gravitational physiology, cardiologists, and any physician or medical professional with an interest in human cardiovascular function.
The World Of Cognitive Science Why Can People Read Fragmented Letters
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Author : Tatsuhisa Takahashi
language : en
Publisher: 株式会社 オーム社
Release Date :
The World Of Cognitive Science Why Can People Read Fragmented Letters written by Tatsuhisa Takahashi and has been published by 株式会社 オーム社 this book supported file pdf, txt, epub, kindle and other format this book has been release on with Science categories.
How do people identify fragmented letters? The identification of fragmented letters is one piece of evidence that the various elements of cognitive functions work well. This ability included in the cognitive functions is considered to be in common with the ability of human ancestry to distinguish animals camouflaged in jungles. This book is concerned with a new method for examining cognitive functions with the use of a computer system presenting fragmented letters of the English alphabet. The results of the test on the identification of fragmented letters have shown that there is neither gender nor age difference in correct answer rates on fragmented letters at several fragmentation rates. The findings indicate that the ability of healthy people to read the fragmented letter as well as the full letter is unaffected by the differences in age and educational history. The book also presents the mechanism of the vision system for identification of fragmented letters.
Transport In Biological Media
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Author : Sid M. Becker
language : en
Publisher: Newnes
Release Date : 2013-05-21
Transport In Biological Media written by Sid M. Becker and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-21 with Technology & Engineering categories.
Transport in Biological Media is a solid resource of mathematical models for researchers across a broad range of scientific and engineering problems such as the effects of drug delivery, chemotherapy, or insulin intake to interpret transport experiments in areas of cutting edge biological research. A wide range of emerging theoretical and experimental mathematical methodologies are offered by biological topic to appeal to individual researchers to assist them in solving problems in their specific area of research. Researchers in biology, biophysics, biomathematics, chemistry, engineers and clinical fields specific to transport modeling will find this resource indispensible. - Provides detailed mathematical model development to interpret experiments and provides current modeling practices - Provides a wide range of biological and clinical applications - Includes physiological descriptions of models
Tree Shaped Fluid Flow And Heat Transfer
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Author : António F. Miguel
language : en
Publisher: Springer
Release Date : 2018-04-20
Tree Shaped Fluid Flow And Heat Transfer written by António F. Miguel and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-20 with Technology & Engineering categories.
This book provides the first comprehensive state-of-the-art research on tree (dendritic) fluid flow and heat transfer. It covers theory, numerical simulations and applications. It can serve as extra reading for graduate-level courses in engineering and biotechnology. Tree flow networks, also known as dendritic flow networks, are ubiquitous in nature and engineering applications. Tree-shaped design is prevalent when the tendency of the flow (fluid, energy, matter and information) is to move more easily between a volume (or area) and a point, and vice versa. From the geophysical trees to animals and plants, we can observe numerous systems that exhibit tree architectures: river basins and deltas, lungs, circulatory systems, kidneys, vascularized tissues, roots, stems, and leaves, among others. Tree design is also prevalent in man-made flow systems, both in macro- and microfluidic devices. A vast array of tree-shaped design is available and still emerging in chemical engineering, electronics cooling, bioengineering, chemical and bioreactors, lab-on-a-chip systems, and smart materials with volumetric functionalities, such as self-healing and self-cooling. This book also addresses the basic design patterns and solutions for cooling bodies where there is heat generation. Several shapes of fin as well as assemblies of fins are addressed. An up-to-date review of cavities, i.e., inverted or negative fins, for facilitating the flow of heat is also presented. Heat trees using high thermal conductivity material can be used in the cooling of heat-generating bodies, and can also be applied to the cooling of electronics.