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Articles 1 - 6 of 6
Full-Text Articles in Education
Heart Rate Variability Analysis As A Means Of Real-Time Hypercapnia Detection, Joseph Dituri
Heart Rate Variability Analysis As A Means Of Real-Time Hypercapnia Detection, Joseph Dituri
USF Tampa Graduate Theses and Dissertations
The motivation for this research is the high prevalence experienced by divers of carbon dioxide (CO2) issues and concerns throughout their lives. Additionally, CO2 is naturally occurring, the product of oxidative metabolism, and is undetectable to human senses. Current CO2 sensor or detection technology is limited to high-cost machines such as arterial blood gas monitors and end tidal CO2 monitors, or more modern technology relying upon bright lights which measure blood flow. The light technology is notoriously unreliable and does not produce a very effective heart beat allowing a user to detect minimal changes. Heart …
Forewarned Is Forearmed: Review Of Curbing Catastrophe: Natural Hazards And Risk Reduction In The Modern World By Timothy H. Dixon (2017), Jason Makansi
Numeracy
Timothy H. Dixon. 2017. Curbing Catastrophe: Natural Hazards and Risk Reduction in the Modern World. (New York, NY: Cambridge University Press) 300 pp. ISBN 978-1108113663.
Curbing Catastrophe for the most part lives up to what is claimed in the foreword: “…a compelling account of recent and historical disasters, both natural and human-caused, drawing on common themes and providing a holistic understanding of hazards, disasters, and mitigation for anyone interested in this important and topical subject.” This is a pretty thorough treatment of an extraordinarily complex subject, and the gaps identified in this review should be considered explications more than …
Simulation Of Radiation Flux From Thermal Fluid In Origami Tubes, Robert R. Bebeau
Simulation Of Radiation Flux From Thermal Fluid In Origami Tubes, Robert R. Bebeau
USF Tampa Graduate Theses and Dissertations
Spacecraft in orbit experience temperature swings close to 240 K as the craft passes from the shadow of the Earth into direct sunlight. To regulate the craft’s internal energy, large radiators eject unwanted energy into space using radiation transfer. The amount of radiation emitted is directly related to the topology of the radiator design. Deformable structures such as those made with origami tessellation patterns offer a mechanism to control the quantity of energy being emitted by varying the radiator shape. Three such patterns, the Waterbomb, Huffman Waterbomb, and Huffman Stars-Triangles, can be folded into tubes. Origami tubes offer greater control …
Integration And Cross-Coupling Of A Notched-Turbine Symbiotic Power Source For Implantable Medical Devices, Samuel Perez
Integration And Cross-Coupling Of A Notched-Turbine Symbiotic Power Source For Implantable Medical Devices, Samuel Perez
USF Tampa Graduate Theses and Dissertations
The purpose of this research is to design and integrate a symbiotic notched-turbine energy generator for implantation as a cross-coupled system capable of continuously and perpetually powering an electronic implantable medical device (IMD), which is a device designed to operate inside the body of a higher mammal to enhance, correct or provide the body with a function that has deviated from the norm or has stopped altogether. The list of IMDs available for implantation keeps growing every year, one of the newest being the VBLOC, produced by EnteroMedics®, and approved by the Food and Drug Administration (FDA) on January 15th, …
A Novel Framework To Determine Physiological Signals From Blood Flow Dynamics, Prashanth Chetlur Adithya
A Novel Framework To Determine Physiological Signals From Blood Flow Dynamics, Prashanth Chetlur Adithya
USF Tampa Graduate Theses and Dissertations
Centers for Disease Control and Prevention (CDC) estimate that more than 11.2 million people require critical and emergency care in the United States per year. Optimizing and improving patient morbidity and mortality outcomes are the primary objectives of monitoring in critical and emergency care. Patients in need of critical or emergency care in general are at a risk of single or multiple organ failures occurring due to a traumatic injury, a surgical event, or an underlying pathology that results in severe patient hemodynamic instability. Hence, continuous monitoring of fundamental cardiovascular hemodynamic parameters, such as heart rate, respiratory rate, blood pressure, …
Computational Discovery Of Energetic Polynitrogen Compounds At High Pressure, Brad A. Steele
Computational Discovery Of Energetic Polynitrogen Compounds At High Pressure, Brad A. Steele
USF Tampa Graduate Theses and Dissertations
High-nitrogen-content energetic compounds containing multiple N-N bonds are an attractive alternative towards developing new generation of environmentally friendly, and more powerful energetic materials. High-N content translates into much higher heat of formation resulting in much larger energy output, detonation pressure and velocity upon conversion to large amounts of non-toxic, strongly bonded N2 gas. This thesis describes recent advances in the computational discovery of group-I alkali and hydrogen polynitrogen materials at high pressures using powerful first-principles evolutionary crystal structure prediction methods. This is highlighted by the discovery of a new family of materials that consist of long-sought after all-nitrogen N 5 …