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Rozprawy doktorskie na temat „Shock”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 25 lipca 2025

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1

Schwendeman, Donald William Whitham G. B. "Numerical shock propagation using geometrical shock dynamics /." Diss., Pasadena, Calif. : California Institute of Technology, 1986. http://resolver.caltech.edu/CaltechETD:etd-03082008-083041.

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Zhou, Chunyan. "Shock response and shock protection of portable electronics /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?MECH%202007%20ZHOU.

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3

Morrow, Heather. "Shock absorption." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0016/MQ54662.pdf.

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Long, Jessica B. "Paradoxical effects of shock the role of shock intensity and interresponse times followed by shock /." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10369.

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Thesis (Ph. D.)--West Virginia University, 2009.<br>Title from document title page. Document formatted into pages; contains viii, 95 p. : ill. Includes abstract. Includes bibliographical references (p. 40-43).
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5

Hennessey, Noel. "Overcoming Shock: An Examination of Transfer Shock and Student Resiliency." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/560635.

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This project examines the systemic causes of transfer shock, the phenomenon wherein students transitioning onto a university campus from a community college experience a drop in their grade point average (GPA) in their first semester of transfer. Previous research has focused on student characteristics that are predictive of transfer shock, but few researchers have approached this topic from the perspective of the students themselves. This study seeks to understand how transfer students experience the initial transition onto the four-year university campus and the interactions with managerial
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6

Todd, Susan Katharine. "Shock assisted ventilation." Thesis, University of Surrey, 1999. http://epubs.surrey.ac.uk/843314/.

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Respiratory distress syndrome is the major cause of mortality in premature babies. Increasing numbers of neonates are now surviving the disease due to advances in techniques used in neonatal intensive care units. Mechanical ventilation is an essential part of the treatment for respiratory distress syndrome and is an area in which improvements and modifications are constantly being made. In the early 1980's a new infant ventilator was introduced involving ventilation by a distal jet. As yet, the mechanisms by which the distal jet ventilator enhances gas exchange are unknown. Original experiment
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7

Mirshekari, Gholamreza. "Microscale shock tube." Thèse, Université de Sherbrooke, 2008. http://savoirs.usherbrooke.ca/handle/11143/1897.

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Abstract : This project aims at the simulation, design, fabrication and testing of a microscale shock tube. A step by step procedure has been followed to develop the different components of the microscale shock tube and then combine them together to realize the final device. The document reports on the numerical simulation of flows in a microscale shock tube, the experimental study of gas flow in microchannels, the design, microfabrication, and the test of a microscale shock tube. In the first step, a one-dimensional numerical model for simulation of transport effects at small-scale, appeared
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8

Sen, Srimoyee, and Naoki Yamamoto. "Chiral Shock Waves." AMER PHYSICAL SOC, 2017. http://hdl.handle.net/10150/624056.

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We study the shock waves in relativistic chiral matter. We argue that the conventional Rankine-Hugoinot relations are modified due to the presence of chiral transport phenomena. We show that the entropy discontinuity in a weak shock wave is quadratic in the pressure discontinuity when the effect of chiral transport becomes sufficiently large. We also show that rarefaction shock waves, which do not exist in usual nonchiral fluids, can appear in chiral matter. The direction of shock wave propagation is found to be completely determined by the direction of the vorticity and the chirality of fermi
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9

Mutz, Andrew Howard Vreeland Thad. "Heterogeneous shock energy deposition in shock wave consolidation of metal powders /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-06282007-091349.

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10

Lloyd, Alan. "Performance of reinforced concrete columns under shock tube induced shock wave loading." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28510.

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Recent events including deliberate attacks and accidental explosions have highlighted the need for greater research in structural response to blast loading. One of the primary research focuses has been on the prevention of progressive collapse of structures. The response of vertical load transferring members, such as columns, is of particular importance to progressive collapse prevention. In order to understand and predict the behaviour of the global structure during and after a blast loading event, a greater understanding of column behaviour must be developed. Currently there is a limited amo
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11

Jamaluddin, Ahmad Riza. "Free-Lagrange simulations of shock-bubble interaction in extracorporeal shock wave lithotripsy." Thesis, University of Southampton, 2005. https://eprints.soton.ac.uk/47507/.

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12

Molder, Sannu. "Curved aerodynamic shock waves." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110629.

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1AbstractCurved shock theory (CST) has been extended to apply to axisymmetric shocks in non-uniform flow. A general formula has been derived for the vorticity jump across a doubly curved shock in non-uniform flow. Influence coefficient forms of equations for the gradients and vorticity show the effect of changing pre-shock conditions. CST has been applied to a series of simple shock flows and to the orientation of the sonic surface at the rear face of a doubly curved shock. This orientation is significant in determining the occurrence of embedded shocks in the post-shock flow. Application of C
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13

Jinks, Edward. "Adaptive shock control bumps." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/45535.

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The evolution of Adaptive Shock Control Bumps (SCB) presented in this work is a result of an investigation into transonic flow control devices. The primary application is on transonic passenger jet aircraft during cruise and within supersonic intakes. It is in these locations that normal shocks of strength Mach 1.2-1.5 typically occur which SCB aim to manipulate and exploit. The original concept was developed by [Ashill et al., 1992] featured a flexible plate with actuators beneath the surface. The complex fluid-structure interaction (FSI) between the shock and plate has been a focus of this w
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14

Qian, Cheng. "Simulation of Mechanical Shock with Finite Element Analysis and Estimation of Shock Attenuation." Thesis, KTH, Hållfasthetslära, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-294549.

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Space equipment is often subjected to mechanical shocks. Some devices like electronics are sensitive to shocks, and they can easily be damaged. To protect these devices, it is important to study shock penetrations in space structures. The Finite Element Method is an effective tool to simulate response to transient excitations. Unlike Statistical Energy Analysis (SEA) which can ensure sufficient accuracy in high frequency range, Finite Element Analysis (FEA) is limited to low frequency range, but has no spatial restrictions. In this thesis, Tuma’s digital filter method and Irvine’s recursive di
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15

Eliasson, Veronica. "On focusing of strong shock waves." Licentiate thesis, Stockholm : Department of Mechanics, Royal Institute of Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-565.

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16

Ziolkowski, Sandra L. "Analyzing the immediate shock deficit, a behavioural examination of post-shock activity in rats." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq21664.pdf.

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17

Burrell, Russell P. "Performance of Steel Fibre Reinforced Concrete Columns under Shock Tube Induced Shock Wave Loading." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23516.

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It is important to ensure that vulnerable structures (federal and provincial offices, military structures, embassies, etc) are blast resistant to safeguard life and critical infrastructure. In the wake of recent malicious attacks and accidental explosions, it is becoming increasingly important to ensure that columns in structures are properly detailed to provide the ductility and continuity necessary to prevent progressive collapse. Research has shown that steel fibre reinforced concrete (SFRC) can enhance many of the properties of concrete, including improved post-cracking tensile capacity,
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18

Vandersall, Kevin S. "Investigation of shock-induced and shock-assisted chemical reactions in Mo-Si powder mixtures." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/19146.

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19

Tabak, Esteban Gregorio. "Focusing of weak shock waves and the von Neumann paradox of oblique shock reflection." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/108868.

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20

Jones, Michelle Lynne. "Experimental Investigation of Shock-Shock Interactions over a 2-D Wedge at M = 6." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23202.

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The effects of fin-leading-edge radius and sweep angle on peak heating rates due to shock-shock interactions were investigated in the NASA Langley Research Center 20-inch Mach 6 Air Tunnel.  The fin model leading edges, which represent cylindrical leading edges or struts on hypersonic vehicles, were varied from 0.25 inches to 0.75 inches in radius.  A 9° wedge generated a planar oblique shock at 16.7° to the flow that intersected the fin bow shock, producing a shock-shock interaction that impinged on the fin leading edge.  The fin angle of attack was varied from 0° (normal to the free-stream)
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21

Fox, Thomas Edward. "Strong shock wave generation by fast electron energy deposition in shock ignition relevant plasmas." Thesis, University of York, 2014. http://etheses.whiterose.ac.uk/6625/.

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The potential role of fast electrons is one of the major unknowns in shock ignition inertial con- finement fusion. Of particular interest is the possibility that they may play a beneficial role in the generation of the ignitor shock by contributing to the ablation pressure. Here, some of the fundamental relations governing fast electron driven shock wave generation in dense plasmas are determined. To that end, a 1D planar hybrid model of fast electron transport through dense plasmas is presented. It is found that, using quasi-realistic electron populations, it is possible to generate shock wav
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22

Bourne, Neil Kenneth. "Shock wave interactions with cavities." Thesis, University of Cambridge, 1990. https://www.repository.cam.ac.uk/handle/1810/250963.

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23

Mäkinen, Kjell. "Underwater shock loaded sandwich structures /." Stockholm, 1999. http://www.lib.kth.se/abs99/maki0326.pdf.

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24

Eliasson, Veronica. "On focusing of shock waves." Doctoral thesis, Stockholm : Mekanik, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4479.

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25

Naumann, Michael. "MEMS reliability in shock environments." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-117360.

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In der vorliegenden Arbeit wird eine Methode vorgestellt, mit welcher die Zuverlässigkeit mikroelektromechanischer Systeme (MEMS) bezüglich stoßinduzierter Fehlermechanismen bereits in der Entwurfsphase neuer Produkte abgeschätzt bzw. verbessert werden kann. Der Ansatz bezieht sich dabei auf bruch- sowie adhäsionsbedingte Ausfallmechanismen und erfordert zwei wesentliche Schritte. Zuerst werden Systemmodelle der jeweils zu untersuchenden mikromechanischen Systeme erstellt, welche die Berechnung der Stoßantwort wie auch der dabei auftretenden Belastungen in Sinne von Auslenkungen, Deformationen
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26

Lee, Donggeol. "Culture shock : video interview project." Virtual Press, 2007. http://liblink.bsu.edu/uhtbin/catkey/1371470.

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This project is for Rinker Center for International Programs at Ball State University to provide useful information to international and American students. The project consists of ten video interviews with the director of Rinker Center for International Programs and nine international students presenting Ghana, France, Germany, Mexico, Brazil, Japan, China, Taiwan, and Turkey. Each interviewee provides cultural differences between American culture and their cultures. In addition, the interviewees tell their personal solutions for coping with cultural difficulties based on their experiences in
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27

Lennon, Francis. "Shock wave propagation in water." Thesis, Manchester Metropolitan University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240559.

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28

Herrera, Montojo Javier. "Shock estimation in supersonic vehicles." Thesis, University of Strathclyde, 2017. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28628.

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Improving the design of future high-Mach vehicles is crucial to enhance performance,safety and sustainability of future air travel. Advanced designs can be realized by improving low fidelity modelling in the context of Multidisciplinary Design Optimization (MDO) on one side and making the use of high fidelity tools more efficient in the context of Multi-fidelity Design Approaches (MFDA) on the other. This thesis presents the formulation of an advanced low order model for the estimation of the shock structure generated by vehicles flying in the supersonic and hypersonic regimes. Taking as input
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29

Ekbal, N. J. "NADH monitoring in shock states." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1463985/.

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Shock is defined as inadequate delivery or utilization of oxygen by the body tissues. Currently measured cardiorespiratory variables however, indicate decompensation only when patients become (near) shocked. Belated intervention often fails to reverse injury, leading to organ dysfunction and failure. Precise monitoring of the adequacy of tissue perfusion thus represents a major deficiency in clinical practice, particularly in the critically ill. As mitochondria utilize >90% of the oxygen consumed by the body, predominantly for ATP production, there is an obvious logic in targeting this organel
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30

Ledezma, Ramirez Diego Francisco. "Shock isolation using switchable stiffness." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/64538/.

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This study investigates a novel stiffness control strategy applied to the problem of shock isolation. This is based on the principle that the stiffness and mass are the principal physical properties that control the passive system shock response. The problem of shock response control is divided in two stages. Firstly, the maximum response whilst a shock is applied is considered, and the effectiveness of a switchable isolation stiffness strategy is evaluated. This strategy aims to reduce the shock response by switching the stiffness to a low value during the shock input. Two different models ar
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31

Barker, Bryn Nicole. "Stability of MHD Shock Waves." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8437.

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This thesis focuses on the study of spectral stability of planar shock waves in 2-dimensional magnetohydrodynamics. We begin with a numerical approach, computing the Lopatinski determinant and Evans function with the goal of determining if there are parameters for which viscous waves are unstable and the corresponding inviscid waves are stable. We also begin developing a method to obtain an explicit, analytical representation of the Evans function. We demonstrate the capabilities of this method with compressible Navier-Stokes and extend our results to 2-D MHD. Finally, using compressible Navie
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32

Besperát, Tomáš. "Marketingová strategie značky BIG SHOCK!" Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-149847.

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Diploma thesis analyses current marketing strategy of Big Shock! brand, active on the energetic products market. It includes competition monitoring, consumer behaviour study and the latest trends on the energy drinks market in the Czech Republic. Part of the thesis is based on my own quantitative on-line research among energy drinks consumers. The conclusion contains current strategy analysis and some recommendations ensuing either of the market development and research made.
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33

Hassinger, Elaine. "Shock-Chlorination of Domestic Wells." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1994. http://hdl.handle.net/10150/156938.

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1 pp.<br>Shock-chlorination is an effective way to disinfect your well and household plumbing. You should shock-chlorinate your well after repairing it, or, if a lab test shows there are coliform bacteria in the water. This publication explains how shock-chlorination works and the steps needed to use this treatment.
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34

Fagelson, Marc A. "Grand Rounds: Acoustic Shock Disorder." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etsu-works/5410.

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This highly popular session will focus on presentation of case studies from adult patients. Particular emphasis will be placed on assessment and management of patients with challening and unique auditory and vesitbular disorders. A wide range of disorders has been selected. Presentation have been designed to stimulate interest and conversation regarding novel diagnostic and treatment approaches for the adult population. Audience participation is highly encouraged. Presentations were solicited invitation. Learning Objectives: Upon completion, participants will be able to discuss the role of c
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35

Frazer, Brett Graeme. "Analysis of shock compacted zirconia." Thesis, Queensland University of Technology, 1999.

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36

Eichmann, Troy N. "An experimental investigation of shock shapes and shock stand-offs in a super-orbital facility /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18122.pdf.

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37

Rosten, Patricia Melanie. "The role of toxic shock syndrome toxin-1 in the pathogenesis of toxic shock syndrome." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26527.

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Toxic shock syndrome toxin-1 (TSST-1), an exoprotein produced by some strains of Staphylococcus aureus, is implicated in the pathogenesis of menstrual TSS. However, its role in nonmenstrual TSS is less certain. In order to study the pathogenetic role of TSST-1 in TSS, three approaches were taken: a) to develop an ELISA for detection of TSST-1 in biologic fluids in order to verify TSST-1 production in vivo in TSS patients, b) to quantitate TSST-1 specific antibodies in the serum of TSS patients and controls to determine whether such antibodies are protective, and c) to attempt to identify other
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38

Joplin, Karl H. "Protein expression in flesh flies (Sarcophaga) in response to heat shock, cold shock and diapause /." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487668215807964.

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39

Stevens, Meredith Leigh. "Global repression of non-heat shock gene transcription by activation of heat shock factor in Drosophila." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/MQ46197.pdf.

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40

Hilmarsson, Brynjar. "Shock Absorbing Flooring For Elderly Homes : Study of Shock Absorption of Head Impacts and Rolling Resistance." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244871.

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In Sweden fall-related injuries among the elderly lead to over a thousand deaths and close to 300.0000 hospital visitations annually. Fall related injuries can in many cases lead to serious head injuries along with other fractures. The elderly are more prone to fall and sustain an injury because of conditions such as osteoporosis and weak muscles. Researchers at KTH from the Division of Neuronic Engineering have developed a special floor that absorbs energy from an impact which can reduce the severity of injury when a person falls. There has been research done on the floor focusing on hip frac
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41

Matsuda, Tomoko. "Suppression of Heat Shock Protein-70 by Ceramide in Heat Shock-induced HL-60 Cell Apoptosis." Kyoto University, 2003. http://hdl.handle.net/2433/148483.

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42

Tazir, Yasmina. "Strongyloides ratti : identification, isolation and characterisation of Heat Shock Protein 10 and Heat Shock Protein 60 /." Giessen : VVB Laufersweiler, 2009. http://d-nb.info/99845494X/04.

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43

Risner, Christopher D. "Development of Cal Poly's Shock Table." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1677.

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Shock is one of the environmental tests that a spacecraft must pass before being cleared for launch. Shock testing poses a challenging data acquisition issue and careful selection of equipment is crucial to creating a successful shock test facility. Cal Poly’s CubeSat programs can currently perform all environmental testing other than shock themselves, so a quality shock table would be useful. Previous groups of students had developed a shock table, and this paper details the improvement and characterization of that shock table’s behavior. Several adjustable parameters were tested and document
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44

Ernst, Scott. "A nonlinear investigation of corrugation instabilities in magnetic accretion shocks." Thesis, University of Oregon, 2011. http://hdl.handle.net/1794/11229.

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xi, 172 p. : ill. (some col.)<br>Accretion shock waves are present in many important astrophysical systems and have been a focus of research for decades. These investigations provide a large body of understanding as to the nature, characteristics, and evolutionary behaviors of accretion shock waves over a wide range of conditions. However, largely absent are investigations into the properties of accretion shock waves in the presence of strong magnetic fields. In such cases these strong magnetic fields can significantly alter the stability behaviors and evolution of the accretion shock wave thr
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45

Kankkunen, Erika. "Cognitive ability and transitory productivity shocks." Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388373.

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People who live in rural areas in low-income countries not only live in poverty, they also have to deal with an extremely variable income. In the absence of a well-functioning credit market, these fluctuations can be costly for households. This study aims to provide knowledge to the cost of these fluctuations, more precisely the study aims to answer how transitory weather shocks in Kenya affect children´s cognitive ability. Where weather shocks are assumed to be aggregated shocks that temporarily change the productivity in districts. The result from the study shows that drought, which can be s
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46

Casoni, Rero Eva. "Shock capturing for discontinuous Galerkin methods." Doctoral thesis, Universitat Politècnica de Catalunya, 2011. http://hdl.handle.net/10803/51571.

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Aquesta tesi doctoral proposa formulacions de Galerkin Discontinu (DG) d’alt ordre per la captura de shocks, obtenint alhora solucions altament precises per problemes de flux compressible. En les últimes dècades, la investigació en els mètodes de DG ha estat en constant creixement. L'èxit dels mètodes DG en problemes hiperbòlics ha conduit el seu desenvolupament en lleis de conservació no lineals i problemes de convecció dominant. Entre els avantatges dels mètodes DG, destaquen la seva estabilitat inherent i les propietats locals de conservació. D'altra banda, els mètodes DG estan especia
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47

Carter, John P. "Magnetic field generation in shock waves." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://edocs.nps.edu/npspubs/scholarly/theses/1994/June/94Jun_Carter.pdf.

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48

Ahmed, Syed Muzaffor. "Molecular Shock Structure in Multifluid MagnetohydrodynamicS." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486150.

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We present an investigation on the effects of magnetic dissipation and cooling due to spontaneous radiative emission in multifluid magnetohydrodynamic (MHD) shocks. Ideal MHD allows n small amplitude waves and therefore we can associate a shock with each. But, only non-linear fast and slow shocks are evolutionary. On smaller scales the structure ofshocks is determined by the non-ideal MHD equations and from neutral cooling. Therefore in a dense weakly ionised medium there exist three generic types of shock; C-type, J-type and C*-type. The shooting method can be used to calculate simple steady
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49

Karnick, Pradeepa Tumkur. "Shocks, Shock-Boundary Layer Interaction, And Transonic Flutter." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/2688.

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Transonic utter is an aeroelastic instability characterized by part-chord shocks over an airfoil and single mode oscillations leading to a drop in the utter boundary. We present a numerical study that examines the influence of shocks, shock-boundary layer interactions, and three-dimensional flow features on the transonic utter boundary. Using energy concepts we show that shocks and shock-boundary layer interactions have a profound influence on the stability of an aeroelastic system. Viscosity stabilizes the aeroelastic system through thickness effects up-to the bottom of the transonic dip. Bey
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Karnick, Pradeepa Tumkur. "Shocks, Shock-Boundary Layer Interaction, And Transonic Flutter." Thesis, 2014. http://etd.iisc.ernet.in/handle/2005/2688.

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Transonic utter is an aeroelastic instability characterized by part-chord shocks over an airfoil and single mode oscillations leading to a drop in the utter boundary. We present a numerical study that examines the influence of shocks, shock-boundary layer interactions, and three-dimensional flow features on the transonic utter boundary. Using energy concepts we show that shocks and shock-boundary layer interactions have a profound influence on the stability of an aeroelastic system. Viscosity stabilizes the aeroelastic system through thickness effects up-to the bottom of the transonic dip. Bey
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