Relevant bibliographies by topics / Gravity system / Dissertations / Theses
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Dissertations / Theses on the topic 'Gravity system'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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1

Remmers, Tobias. "Gravity Control System: Realistic Balanced Poses and Animations." Thesis, University of Gävle, Department of Mathematics, Natural and Computer Sciences, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-158.

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<p>The Gravity Control for Maya will be extraordinary</p><p>beneficial to an animator trying to create realistic</p><p>animation, by calculating the center of gravity and area</p><p>of balance. This control will provide the animator with</p><p>the ability to rotate around the center of gravity and</p><p>keep the character in a balanced pose. With that ability,</p><p>the animator can easily create accurate poses and</p><p>animation, such as mid-air flips. The system also</p><p>supports a vast number of characters with different</p><p>shapes, sizes and number of limbs.</p>
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2

Wu, Lichuan. "Introducing Surface Gravity Waves into Earth System Models." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-314760.

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Surface gravity waves alter the turbulence of the bottom atmosphere and the upper ocean. Accordingly, they can affect momentum flux, heat fluxes, gas exchange and atmospheric mixing. However, in most state-of-the-art Earth System Models (ESMs), surface wave influences are not fully considered or even included. Here, applying surface wave influences into ESMs is investigated from different aspects. Tuning parameterisations for including instantaneous wave influences has difficulties to capture wave influences. Increasing the horizontal resolution of models intensifies storm simulations for both
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3

Page, Gary L. "Exploring the weak limit of gravity at solar system scales." Fairfax, VA : George Mason University, 2009. http://hdl.handle.net/1920/4547.

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Thesis (Ph.D.)--George Mason University, 2009.<br>Vita: p. 234. Thesis director: John F. Wallin. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Computational Sciences and Informatics. Title from PDF t.p. (viewed Oct. 11, 2009). Includes bibliographical references (p. 224-233). Also issued in print.
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4

Moss, Andrew M. "Analysis of a Gravity Hinge System for Wind Turbines." Cleveland State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=csu1624479290234317.

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5

Cheng, Quan Jia. "A WLAN location estimation system using center of gravity as an algorithm selector." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1513.

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6

Li, Xiaopeng. "Moving base INS/GPS vector gravimetry on a land vehicle." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1195677222.

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7

Hollis, Pierre G. "An improved Magnetic, Angle rate, Gravity (MARG) body tracking system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA397552.

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Thesis (Electrical Engineer and M.S. in Electrical Engineering) Naval Postgraduate School, June 2001.<br>Thesis advisors, Xiaoping Yun, Sherif Michael, Eric R. Bachmann. Includes bibliographical references (p. 53-54). Also Available online.
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8

Trout, Alvin McKinley. "Further Study of the Gravity Loading Base Test Method." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/35025.

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<P> Presently, the industry accepted method for determining the positive moment strength of gravity loaded standing seam metal roof systems is the "Base Test Method". The Base Test Method provides a means for determining the positive moment strength of a multiple span, multiple purlin line standing seam roof system using the results from a set of six single span, simply supported, two-purlin line experimental tests. A set of six base tests must be conducted for each combination of purlin profile, deck panel profile, clip type, and intermediate bracing configuration. The primary objective of th
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9

Fonte, Daniel John. "Implementing a 50x50 gravity field model in an orbit determination system." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/49587.

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10

Sellers, Ryan J. "A Gravity Gradient, Momentum-Biased Attitude Control System for A CubeSat." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/974.

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ExoCube is the latest National Science Foundation (NSF) funded space weather CubeSat and is a collaboration between PolySat, Scientific Solutions Inc. (SSI), the University of Wisconsin, NASA Goddard and SRI International. The 3U will carry a mass spectrometer sensor suite, EXOS, in to low earth orbit (LEO) to measure neutral and ionized particles in the exosphere and thermosphere. Measurements of neutral and ion particles are directly impacted by the angle at which they enter EXOS and which leads to pointing requirements. A combination of a gravity gradient system with a momentum bias wheel i
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11

Rye, Maria del Carmen. "Dynamics and Control of a Tensegrity System in Low-Earth Orbit." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/77584.

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Tensegrity is the name given to a system of interconnected bars and tendons that can form a flexible self-standing structure. Its flexibility is due to the ability of the bars to move near-independent to each other, movement that can be caused by controlled tension forces in the tendons or external forces such as gravity. However, a balance of sorts must be maintained - if a tendon were to go slack, the entire structure could become unstable and collapse on itself. This thesis looks at placing a tensegrity structure in orbit around the Earth. As a spacecraft's orbit is moved further away from
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12

Hegmann, Mary Jane. "Gravity and magnetic surveys over the Santa Rita Fault System, southeastern Arizona." Thesis, The University of Arizona, 1998. http://hdl.handle.net/10150/278675.

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Gravity and magnetic surveys were performed in the northeast portion of the Santa Rita Experimental Range, in southeastern Arizona, to identify faults and gain a better understanding of the subsurface geology. A total of 234 gravity stations were established, and numerous magnetic data were collected with portable and truck-mounted proton precession magnetometers. In addition, one line of very low frequency electromagnetic data was collected together with magnetic data. Gravity anomalies are used to identify two normal faults that project northward toward a previously identified fault. The gra
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13

Wood, Joshua. "Solutions of conformal gravity with dynamical mass generation in the solar system." Thesis, University of Canterbury. Physics and Astronomy, 2000. http://hdl.handle.net/10092/5580.

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An investigation is made into the viability of the fourth-order conformal theory of gravity with dynamical mass generation. This is done by considering the analytical behaviour of the equations of motion and using this as a guide to producing numerical solutions to these equations. A review of some criticisms of the fourth-order gravity theory is included. Numerical solutions of the equations of motion are produced for the domain interior to the source and the exterior region within the solar system, with a variety of source conditions and under different formulations. These are analysed with
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14

Huang, Chuen-Chane. "Biped robot with a vestibular system." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39834.

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The kinematics and dynamics of two legged or biped walking is considered. The resulting governing equations include actuator torques for a robot and muscle generated torques for a human. These torques are those necessary at each joint of a leg, including the foot, for a successful stride. The equations are developed from a consistent set variables with respect to a single inertial reference frame. This single reference frame approach has not been used by previous investigators. Control of the joint torques makes biped walking an extraordinary complex problem from a dynamics and control viewpoi
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15

Han, Shin-Chan. "Efficient global gravity field determination from satellite-to-satellite tracking." Columbus, Ohio : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1061995200.

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Thesis (Ph. D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xvii, 198 p.; also includes graphics (some col.). Includes abstract and vita. Advisor: Christopher Jekeli, Dept. of Geodetic Science and Surveying. Includes bibliographical references (p. 192-198).
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16

Smith, Robert K. "The contour-advective semi-Lagrangian hybrid algorithm approach to weather forecasting and freely propagating inertia-gravity waves in the shallow-water system." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/716.

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17

Tulsiani, Deepti. "A Fringe Projection System for Measurement of Condensing Fluid Films in Reduced Gravity." Digital WPI, 2006. https://digitalcommons.wpi.edu/etd-theses/5.

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The thesis describes the design of a fringe projection system to study the dynamics of condensation with potential application in a reduced gravity environment. The concept is that an optical system for imaging the condensation layer enables extraction of valuable data from the image because of the ability of the optical system to image the perturbations in the condensation films. By acquiring a sequence of images of the deformed fringe pattern, the change in the surface topology can be observed over time, giving greater understanding of condensation dynamics in reduced gravity.
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18

Hatlen, Morten. "On-board, Fourier-Based Image-Analysis System for Satellite Observation of Gravity Waves." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22860.

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The main objective of this thesis is obtaining data on gravity waves from images taken by the NTNU Test Satellite (NUTS). The satellite&apos;s main payload consists of a camera intended to capture images of gravity waves in the atmosphere. A limitation of the satellite is its ability to transmit data. Two separate approaches have been investigated to limit the amount of data that needs to be sent. One is the degree of image and video compression that can be applied to a series of images before data is corrupted. The second is implementing a 3D-Fast Fourier Transform (FFT) method that obtains
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19

Tulsiani, Deepti. "A fringe projection system for measurement of condensing fluid films in reduced gravity." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-010406-234259/.

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20

Chandrashaker, Rajagopalan Carleton University Dissertation Engineering Civil. "Seismic analysis of gravity dam-reservoir-foundation system using an effective hybrid technique." Ottawa, 1992.

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21

Cañizales, Díaz Jorge (Jorge Luis). "Automatic design of the gravity-reducing propulsion system of the TALARIS Hopper Testbed." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/76164.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, September 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 87-93).<br>This thesis describes a Systems Engineering tool for automatic design, presents the results of its application to the problem of designing Earth-based reduced-gravity simulators, and compares the performance of the found optimal design solutions with that of the MIT TALARIS Hopper Testbed. Earth-based reduced-gravity simulators are platforms that allow hosted vehicles to experience a dynamic e
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22

Mokobodi, Dineo Stephen. "Designing and developing a free fall absolute gravity measuring system using pneumatic actuators." Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/66225.

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A gravimeter is an instrument that measures gravitational force Fg (N) or acceleration g (m/s-2). Absolute gravity measurements are preferred in metrology, due to the shortest traceability links to the SI base units of length and time, realising acceleration. The investigation on the suitable method of gravity measurement was performed at the National Metrology Institute of South Africa (NMISA). The free fall gravity measuring system was adopted for development. The metrological need on redefining the kilogramme standard using the watt balance, supported the decision to mandate this project. F
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23

Flores, Solano Francisco Xavier. "Influence of the Gravity System on the Seismic Performance of Special Steel Moment Frames." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/73143.

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This study investigates the influence of the gravity load resisting system on the collapse performance of Special Steel Moment Frames (SMFs). The influence was quantified using the FEMA P-695 methodology. The buildings used for this study were a 2-, 4- and 8-story SMFs taken from the ATC76-1 project where their collapse performance was already evaluated without the gravity system. The main work of this dissertation has been divided in two parts. The first part studies the influence of the gravity system when it is incorporated explicitly as part of the lateral resisting system. Aspects of the
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24

Supak, Kevin Robert. "Reduced gravity Rankine cycle system design and optimization study with passive vortex phase separation." Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-2094.

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Liquid-metal Rankine power conversion systems (PCS) coupled with a fission reactor remain an attractive option for space power applications because system specific power and efficiency is very favorable for plant designs of 100 kW(e) or higher. Potential drawbacks to the technology in a reduced gravity environment include two-phase fluid management processes such as liquid-vapor phase separation. The most critical location for phase separation is at the boiler exit where only vapor must be sent to the turbine because blade erosion occurs from high velocity liquid droplets entrained by vapor fl
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25

Fitzpatrick, Daniel Cash. "Efficacy of gravity-fed chlorination system for community-scale water disinfection in northern Ghana." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43887.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2008.<br>Includes bibliographical references (p. 84-89).<br>Although chlorine is one of the lowest cost ways of providing disinfection, currently billions of people lack drinking water that has had this simple treatment. Arch Chemical's Pulsar 1 unit is an innovation in chlorine dosing in that it is a gravity-fed system which does not require electricity while providing relatively accurate dosing. The purpose of this study is to investigate the technical feasibility of the Pulsar 1 unit using
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26

Hopper, Michael W. Lepage Andres. "The John Jay College Expansion Project a study of an Alternative Gravity Load Transfer System /." [University Park, Pa.] : Pennsylvania State University, 2009. http://honors.libraries.psu.edu/theses/approved/WorldWideIndex/EHT-8/index.html.

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27

Baltuch, Edmund George. "A multi tier barcode based system for the construction management of industrial gravity ventilation equipment." Thèse, Montréal : École de technologie supérieure, 2008. http://proquest.umi.com/pqdweb?did=1562129971&sid=1&Fmt=2&clientId=46962&RQT=309&VName=PQD.

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Thèse (M. Ing.) -- École de technologie supérieure, Montréal, 2008.<br>"Thesis presented to École de technologie supérieure in partial fulfillment of the requirements for the degree of master construction engineering". "by Baltuch, Edmund George" -- p. de t. CaQMUQET CaQMUQET Bibliogr : f. [174-175]. Également disponible en version électronique. CaQMUQET
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28

Stoll, John C. (John Christian). "Performance analysis of a GPS interferometric attitude determination system for a gravity gradient stabilized spacecraft." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/49948.

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29

Ostrý, Lubomír. "Návrh elektronického subsystému pro simulátor dopadu ve snížené gravitaci." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417785.

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The focus of this thesis is development of an electronic subsystem for reduced gravity impact simulator. The research part of this thesis firstly covers methods used for simulation of microgravity or reduced gravity and compares them. Another part of research focuses on three selected potential approaches to creating the electronic subsystem for this device. The second, practical, part of this thesis describes the design and development of the electronic subsystem. The foundation of the electronic subsystem is a control unit which has been developed on the basis of an STMicroelectronics microc
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30

Bedada, Tullu Besha. "Absolute geopotential height system for Ethiopia." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4726.

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This study used airborne gravity data, the 2008 Earth Gravity Model (EGM08) and Shuttle Radar Topographic Mission (SRTM) digital elevation data in a ‘Remove-Compute-Restore’ process to determine absolute vertical reference system for Ethiopia. This gives a geopotential height at any isolated field point where there is a Global Navigation Satellite System (GNSS) measurement without reference to a vertical network or a regional datum point. Previously, height was determined conventionally by connecting the desired field point physically to a nearby bench mark of a vertical network using co-locat
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31

Sridhar, Siddharth. "Spacesuit and Portable Life Support System Center of Gravity Influence on Astronaut Kinematics, Exertion and Efficiency." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1447690750.

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32

Hopkins, Michael. "Critical Node Analysis for Water Distribution System Using Flow Distribution." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/722.

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The expansive nature of water distribution system makes them susceptible to threats such as natural disasters and man-made destructions. Vulnerability assessment research efforts have increased since the passing of “Bioterrorism Preparedness and Response Act” in 2002 to harden WDS. This study aimed to develop a method that locates critical nodes without hydraulic analysis of every failure scenario, applicable for any size WDS, incorporates critical infrastructure, and capable of verifying method accuracy. The Flow Distribution method is the application of the gravity model, typically used to p
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33

Loo, James. "A proposed microwave system for on-line measurement of specific gravity and moisture content of dimension lumber." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26721.

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A 10 GHz microwave bridge measurement system has been developed to automatically measure the electromagnetic field parameters transmitted through a dielectric material. These parameters are used to calculate the complex dielectric constant with the free-space transmission technique. The system is used to measure the field parameters transmitted through dimension lumber and a correlation is made with two strength determining factors of lumber: specific gravity and moisture content. Hemlock and Douglas Fir wood samples were tested and a grading technique was implemented. The system is capable of
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34

Sharma, Anupa. "Three Essays on the Generalized System of (Trade) Preferences." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/78619.

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The Generalized System of Preferences (GSP) is a unilateral trade liberalization program in which developed countries offer non-reciprocal tariff reductions (tariff preferences) on certain products imported from designated developing and least developed countries. GSP is considered an important tool in the World Trade Organization's approach to development. This dissertation--composed of three essays--explores whether low-income countries have achieved an increased access to high-income markets as a result of these non-reciprocal tariff preferences offered to their exports. The first essay pr
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35

Zhang, Meng. "Satellite observations and numerical simulations of jet-front gravity waves over North America and North Atlantic Ocean." Texas A&M University, 2008. http://hdl.handle.net/1969.1/85995.

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In this study, a month-long simulation of gravity waves over North America and North Atlantic Ocean is performed using the mesoscale model MM5 for January 2003, verified with Advanced Microwave Sounding Unit-A (AMSU-A) radiance observations in the upper troposphere and lower stratosphere. According to the monthly mean statistics, four regions of strong gravity wave activities are found both in the simulation and the AMSU-A observations: northwestern Atlantic, Appalachian Mountains, Rocky Mountains and Greenland, respectively. Those over the northwestern Atlantic Ocean are strongly associated w
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36

Boston, Megan. "Reducing Residual Drift in Buckling-Restrained Braced Frames by Using Gravity Columns as Part of a Dual System." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3204.

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Severe earthquakes cause damage to buildings. One measure of damage is the residual drift. Large residual drifts suggest expensive repairs and could lead to complete loss of the building. As such, research has been conducted on how to reduce the residual drift. Recent research has focused on self-centering frames and dual systems, both of which increase the post-yield stiffness of the building during and after an earthquake. Self-centering systems have yet to be adopted into standard practice but dual systems are used regularly. Dual systems in steel buildings typically combine two types of tr
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37

Lippa, Magdalena Anna [Verfasser], and Reinhard [Akademischer Betreuer] Genzel. "Interferometry in astronomy : the GRAVITY metrology system and galaxy evolution with the IRAM interferometer / Magdalena Anna Lippa ; Betreuer: Reinhard Genzel." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1168590817/34.

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38

Roy, Michelle. "Investigation of Future Flow Reducer Sizes in Houses Added to an Existing Gravity Flow Water System to Ensure its Sustainability." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6580.

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Goal 6 of the United Nations Development Program’s new Sustainable Development Goals aims to ensure availability of clean water and sustainable management practices to all by the year 2030. Peace Corps Panama partners with communities in order to help provide sustainable water solutions to communities in need. Water, Sanitation, and Hygiene (WASH) Volunteers spend at least two years living in a community to identify and implement solutions to water problems and train local water committees on how to maintain their improved systems. A common solution for unequal distribution of flow in the dist
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39

Zhang, Yang. "Design and synthesis of mechanical systems with coupled units." Thesis, Rennes, INSA, 2019. http://www.theses.fr/2019ISAR0004/document.

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Ce mémoire traite de nouveaux principes de conception qui sont inspirés par le couplage de deux unités représentant les différentes structures mécaniques. Les critères de conception optimale et les types d'unités combinées sont différents. Cependant, toutes les tâches sont considérées dans le couplage de ces unités. L'examen critique présenté dans le premier chapitre est divisé en trois sections en raison de la nature des problèmes traités: les robots marcheurs, les compensateurs de gravité et les robots collaboratifs. Le deuxième chapitre traite du développement de robots marcheurs à actionne
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40

Pereira, De Sa Rui Carlos. "Respiration and cardio-respiratory interactions during sleep in space: influence of gravity." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210416.

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Le principal objectif de ce travail est l’étude de l’influence de la pesanteur sur la mécanique <p>respiratoire et le contrôle de la respiration, ainsi que sur les interactions cardio-respiratoires pendant les différents stades du sommeil. <p><p>Le chapitre introductif présente le contexte général et les objectifs de la thèse. Des sections abordant le sommeil, la respiration, et l’interaction cardio-respiratoire y sont présentées, résumant l’état actuel des connaissances sur les effets de la pesanteur sur chacun de ces systèmes. <p>Dans le deuxième chapitre, l’expérience “Sleep and Breathing i
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Ge, Shengjie. "GPS radio occultation and the role of atmospheric pressure on spaceborne gravity estimation over Antarctica." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1149070384.

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42

Kumar, Neela Shiva. "Cellular Mechanisms of Gravitropism in ARG1 (Altered Response to Gravity) Mutants of Arabidopsis Thaliana." Oxford, Ohio : Miami University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1218220626.

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43

Le, gall Anne. "Influence de la graviception vestibulaire sur le développement et les fonctions cognitivo-motrices à l'âge adulte : étude longitudinale chez un modèle murin vestibulo-déficient." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC421.

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La gravité terrestre est une contrainte mécanique fondamentale exercée sur les organismes vivants et contre laquelle nous avons adapté nos stratégies de posture et de locomotion ainsi que toutes les régulations métaboliques et cardiovasculaires. Outre le stimulus mécanique direct, la gravité est mesurée par l'organe vestibulaire, premier système sensoriel à émerger chez les protochordés il y a environ 500 millions d'années, aussi précocement que le système visuel. Le système vestibulaire a alors été asservi aux fonctions d'équilibre et de stabilisation du regard, par des réflexes posturaux et
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44

Kolář, Tomáš. "Studie odkanalizování vybrané obce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371960.

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The subject of this diploma thesis is a study of two variants of sewer network of Cetechovice. Variant solutions include the use of existing segments supplemented by new gravitational or pressure sections. The proposed variant solutions are then economically assessed.
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45

Wilson, Earle Anthony. "Investigation of renewable, coupled solar-hydrogen fuel generation with thermal management systems suitable for equatorial regions." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/4508.

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Solar Energy and Hydrogen (energy carrier) are possible replacement options for fossil fuel and its associated problems of availability and high prices which are devastating small, developing, oil-importing economies. But a major drawback to the full implementation of solar energy, in particular photovoltaic (PV), is the lowering of conversion efficiency of PV cells due to elevated cell temperatures while in operation. Also, hydrogen as an energy carrier must be produced in gaseous or liquid form before it can be used as fuel; but its‟ present major conversion process produces an abundance of
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Klíma, Aleš. "Odkanalizování obce do 2 tisíc obyvatel." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226151.

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In this thesis I deal with the drainage of Hněvošice village (the village up to 2000 inhabitants). I made a technical and economic evaluation of three possible drainage systems (gravity sewers, vacuum sewers, pressure sewers). After assessing I have chosen one of them, the gravity sewers. Then I made a complete design of the sewers including design sewerage treatment plant.
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Briones, Maria. "Validating the Accuracy of Neatwork, a Rural Gravity Fed Water Distribution System Design Program, Using Field Data in the Comarca Ngöbe-Bugle, Panama." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7268.

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Despite the sustainable development goals to increase access to improved water there are still 884 million people in the world without access to an improved water source (WHO, 2017). One method to improve access to water in rural, mountainous areas, is through construction of gravity fed water distribution systems. These systems should be designed based upon fundamental principles of hydraulics. One method of doing so in a time efficient manner with minimal engineering knowledge is to utilize a downloadable computer program such as Neatwork, which aids in design of rural, gravity fed water dis
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48

Pazinatto, Flavia Bittencourt. "Influência do posicionamento do espécime na resistência adesiva à dentina e na espessura da camada de sistemas adesivos." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/25/25131/tde-07022007-144601/.

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Investigou-se a influência da inclinação das paredes de dentina (paralela ou perpendicular à ação da gravidade) e da variação regional dos espécimes (terços cervical ou oclusal) na resistência adesiva e na espessura da camada de adesivo. Vinte e cinco molares humanos foram seccionados no sentido mésio-distal e paralelamente ao seu longo eixo, obtendo-se secções vestibulares e linguais, as quais foram lixadas produzindo-se superfícies planas de dentina. Sistemas adesivos (Adper Single Bond-SB e Prime & Bond 2.1- PB2.1) foram aplicados na dentina, ora paralelamente ora perpendicularmente à ação
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49

Dahllöf, Karin. "Trycksatt avloppssystem och självfallssystem i Fredrikstad kommun. En jämförande fallstudie." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-229810.

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Krav om förbättrad spillvattenrening och städer som förgrenar sig över större områden är några av anledningarna till att dagens avloppsledningsnät får allt längre ledningssträckor. Att med gravitationens hjälp föra avloppsvatten framåt kräver ett kontinuerligt fall som vid långa avstånd kan innebära mycket schaktning, den ekonomiskt mest belastande delen vid nyinstallation av avloppsledningsnät. Ett fördelaktigt alternativ kan vara trycksatt avloppssystem, som sedan 70-talet har kompletterat de traditionella självfallssystem i kuperade och bergiga områden. På senare tid har trycksatt avloppsys
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50

Hudson, Donna Louise. "The Effects of Lower Body Negative Pressure on the Cardiovascular System: The Relationships of Gender and Aerobic Fitness." Thesis, North Texas State University, 1986. https://digital.library.unt.edu/ark:/67531/metadc935602/.

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Sixteen males and sixteen females were recruited for this study; eight of each gender were aerobically trained athletes; the remaining eight were untrained control subjects. Each subject performed a maximal exercise stress test for aerobic capacity (VO2max). On a separate day the blood volume and the cardiovascular responses to progressive (0 to -50 torr) lower body negative pressure (LBNP) were determined. The female subjects were observed to be significantly more tolerant of the LBNP than the male subjects. No differences between groups were observed in changes in leg volume, cardiac index,
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