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Dissertations / Theses on the topic 'Azimuthal anisotropy'

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1

Pandit, Yadav. "AZIMUTHAL ANISOTROPY IN HEAVY ION COLLISIONS." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1353871180.

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2

Perez, Anisa Marie. "Azimuthal analysis of hybrid gathers." Thesis, [Austin, Tex. : University of Texas, 2009. http://hdl.handle.net/2152/ETD-UT-2009-05-118.

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Thesis (M.S. in Geological Sciences)--University of Austin, 2009.<br>Title from PDF title page (University of Texas Digital Repository, viewed on August 11, 2009). Includes bibliographical references.
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3

Cole, Philip Bruce. "Anisotropy of the zone of exhumed continental mantle and the structure of the earliest formed oceanic crust west of Iberia." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288464.

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4

Shams, Asghar. "Application and implementation of seismic azimuthal anisotropy for reservoir characterization." Thesis, Heriot-Watt University, 2004. http://hdl.handle.net/10399/351.

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5

Watson, Kathryn Anne. "Differentiating anisotropy and lateral effects using azimuthal resistivity offset Wenner soundings." Thesis, University of Birmingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390621.

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6

Liu, Weining. "Analysis of PS-converted wave seismic data in the presence of azimuthal anisotropy." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9970.

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Shear-wave splitting and azimuthal variations of seismic attributes are two major anisotropic effects induced by vertically-aligned fractures. They both have influences on seismic data processing and interpretation, and provide information on fracture properties. Azimuthal variations in P-wave data have been intensively studied to improve imaging and obtain fracture parameters. However, azimuthal variations in PS-converted wave seismic data, particularly the velocity variation in PS-converted wave data, have not been well studied. Shear-wave splitting has been frequently used to estimate fract
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7

Zhang, Sufang. "Deep structure beneath the Central-South Tibet crustal density modelling and azimuthal anisotropy variation inferred from Quasi-Love wases." Doctoral thesis, Università degli studi di Trieste, 2010. http://hdl.handle.net/10077/3621.

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2008/2009<br>The area of the present study is the central part of southern Tibet. It consists of two accreted terranes, Lhasa and Himalaya terranes, which today record the deformation history that originated from the processes of collision between the Eurasia and India plates. Our study of the crust/mantle structure in terms of seismic velocity, density, anisotropy and petrologic composition are undoubtedly significant to deepen the understanding of the continent-continent collision and its dynamics. This PhD thesis can be briefly summarized into four parts that are listed in the follow
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8

Shanmuganathan, Prashanth. "FIRST MOMENT OF AZIMUTHAL ANISOTROPY IN AU+AU COLLISIONS FROM THE BEAM ENERGY SCAN AT THE RELATIVISTIC HEAVY ION COLLIDER." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1465395347.

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9

Lomnitz, Michael Richard. "Measurement of charmed meson azimuthal anisotropy in Au+Au collisions at a center of mass energy of 200 GeV per nucleon pair at RHIC." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1478709564749636.

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10

Wu, Yang. "Azimuthal anisotropy in gold-gold collisions at 4.5 GeV center-of-mass energy per nucleon pair using fixed-target mode at the Relativistic Heavy-Ion Collider." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1562355001935965.

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11

Oskooi, Behrooz. "A Broad View on the Interpretation of Electromagnetic Data (VLF, RMT, MT, CSTMT)." Doctoral thesis, Uppsala University, Department of Earth Sciences, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4146.

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<p>The resolution power of single Very Low Frequency (VLF) data and multi-frequency Radiomagnetotelluric (RMT) data in delineating conductive structures typical for the sedimentary cover and crystalline basement in Scandinavia is studied with a view to future developments of the technique to increasing the frequency range into the LW radio band. Airborne and ground VLF data are interpreted and correlated with RMT measurements made on the ground to better understand the resolution power of VLF data. To aid in this understanding single and multifrequency VLF and RMT responses for some typical re
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12

Hamad, Ayman I. A. "ELLIPTIC FLOW STUDY OF CHARMED MESONS IN 200 GEV AU+AU COLLISIONS AT THE RELATIVISTIC HEAVY ION COLLIDER." Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent149905276313972.

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13

Festanti, Andrea. "Measurement of the D0 meson production in Pb-Pb and p-Pb collisions with the ALICE experiment at the LHC." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424138.

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This thesis presents the measurement of the charmed D0 meson production relative to the reaction plane in Pb–Pb collisions at the centre-of-mass energy per nucleon–nucleon collision of sqrt(sNN) = 2.76 TeV, and the measurement of the D0 production in p–Pb collisions at sqrt(sNN) = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. The D0 azimuthal anisotropy with respect to the reaction plane is sensitive to the interaction of the charm quarks with the high-density strongly-interacting medium formed in ultra-relativistic heavy-ion collisions and, thus, to the properties of th
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14

Liu, Yan-Qiang. "Analysis of P-wave seismic reflection data for azimuthal anisotrophy." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/12444.

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15

Al-Dajani, AbdulFattah A. "Seismic reflection moveout for azimuthally anisotropic media." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8057.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2002.<br>Includes bibliographical references (p. 281-287).<br>Anisotropy can exist in the subsurface as an intrinsic property, or as an induced property, or as a combination of both. Induced anisotropy can result due to preferred orientation of grains, thin layering, and/or the presence of fractures. In this thesis, we study the reflection moveout for Compressional and Shear waves in horizontally stratified azimuthally anisotropic media. Reflection moveout in common-midpoint (CMP) gathe
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16

Bazelaire-Dussau, Céline de. "Les distorsions d'indicatrices de réflexion en sismique 3D azimutale." Pau, 2001. http://www.theses.fr/2001PAUU3030.

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17

Ohlson, Alice Elisabeth. "Investigating Parton Energy Loss in the Quark-Gluon Plasma with Jet-hadron Correlations and Jet Azimuthal Anisotrophy at STAR." Thesis, Yale University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3578426.

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<p>In high-energy collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC) and of lead nuclei at the Large Hadron Collider (LHC), a new state of matter known as the Quark-Gluon Plasma (QGP) is formed. This strongly-coupled, deconfined state of quarks and gluons represents the high energy-density limit of quantum chromodynamics. The QGP can be probed by high-momentum quarks and gluons (collectively known as partons) that are produced in hard scatterings early in the collision. The partons traverse the QGP and fragment into collimated "jets" of hadrons. Studies of parton energy lo
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18

Lane, Paul David. "Nanoscale surface modification studied by reflection anisotropy spectroscopy." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/5660.

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The development and control of nanoscale properties is a major goal in science and technology; for the development of such technologies it is important that there are experimental techniques which allow the monitoring of development processes in real time and in a range of environments. With this in mind much effort has been invested in the development of surface sensitive optical probes. One such technique, reflection anisotropy spectroscopy (RAS), has been applied successfully to a number of different problems since its development in the mid 1980’s. RAS as a surface specific technique is ve
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19

Sébilleau, Didier. "Etude par photoémission angulaire des niveaux 4f du tungstène et du tantale : profils de raies et anisotropie azimutale." Lille 1, 1986. http://www.theses.fr/1986LIL10119.

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Résultats essentiels sur la photoémission en tant que moyen d'étude des surfaces. Influence des effets à n-corps sur la forme des profils de raie et plus précisément celle des phonons et de la création de paires électron-trou. Modèle de diffusion permettant de reproduire avec une bonne précision les résultats expérimentaux de photodiffraction sur une face (100) de tungstène
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20

Sebilleau, Didier. "Etude par photoémission angulaire des niveaux 4f du tungstène et du tantale profils de raies et anisotropie azimutale /." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37601102k.

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21

Godoy, Denise Aparecida Moreira de. "Anisotropia azimutal elíptica de elétrons de decaimentos de quarks pesados em colisões de Pb-Pb a SNN = 2.76 TeV medida no experimento ALICE." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-07102014-151944/.

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Nessa tese serão apresentadas medidas de anisotropia azimutal elíptica de elétrons de decaimentos de quarks pesados feitas no perimento de colisão de íons pesados ALICE (A Large Ion Collider Experiment, em inglês). As medidas foram obtidas em colisões de Pb-Pb com energia de centro de massa por par de nucleons (psNN) igual a 2.76 TeV com o colisor de hadrons LHC (Large Hadron Collider, em inglês). Colisões ultrarelativísticas de íons pesados podem alcançar temperaturas e/ou densidades de energia suficientemente altas para formar o Plasma de Quarks e Gluons (QGP, na sigla em inglês), o estado d
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22

Tabti, Hocine. "Contribution au traitement et a l'interpretation sismique petroliere en milieu anisotrope analyse de vitesses en milieux tabulaires d'anisotropie quelconque & caracterisation de l'anisotropie azimutale." Paris 7, 1997. http://www.theses.fr/1997PA077299.

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Plusieurs observations sur le terrain et au laboratoire ont confirme l'existence de l'anisotropie elastique dans les roches sedimentaires. Ces observations conjuguees avec la recherche par les petroliers d'une meilleure exploitation des donnees sismiques, ont peu a peu impose la prise en compte de l'anisotropie dans les traitements sismiques. Ce travail s'inscrit essentiellement dans cet optique a travers le developpement d'une methode d'analyse de vitesse en milieux tabulaires valable pour tous les types d'anisotropie. Pour une geometrie de sismique reflexion donnee, des expressions analytiqu
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23

CHENG, CHIA-HSUAN, and 鄭佳烜. "The 3D velocity structure and azimuthal anisotropy in South China Sea." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/jrd8tj.

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碩士<br>國立中正大學<br>地震研究所<br>105<br>In this research, we calculated the vertical seismic waveform data from the IRIS seismic data center which the period is from 2000 to 2012 to analyze the surface wave dispersion curve and construct the 3D Rayleigh-wave group velocity and azimuthal anisotropy structure beneath the South China Sea (SCS). The research region is among 10°S-30°N and 10°-130°E, 18 broadband stations were chose in this area that the ray density could cover the SCS. Hence, we adopted the Multiple Filter Technique (MFT) which proposed by Dziewonski et al. (1969) to analyze Rayleigh-wave
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24

Lee, Hsin-Yu, and 李欣瑜. "Rayleigh-wave Tomography and Azimuthal Anisotropy of the Philippine Sea Basin." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/69381650788458909230.

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碩士<br>國立臺灣大學<br>海洋研究所<br>104<br>The Philippine Sea plate (PSP) is surrounded by convergent boundaries. On the eastern side, the Pacific plate subducts beneath the PSP along the Izu-Bonin trench and Mariana trench. On the western side, the PSP subducts to the Eurasian continental margin along the Ryukyu trench, driving the arc-continent collision at Taiwan. Further south, the Caroline plate subducts under the southern part of the PSP along Yap trench. There are three major basins in the Philippine Sea: the West Philippine basin developed in 35-45 Ma at west, and the Shikoku and Parece Vela basi
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25

Maleski, Jacqueline Patrice. "Direct shear wave polarization corrections at multiple offsets for anisotropy analysis in multiple layers." Thesis, 2014. http://hdl.handle.net/2152/25747.

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Azimuthal anisotropy, assumed to be associated with vertical, aligned cracks, fractures, and subsurface stress regimes, causes vertically propagating shear waves to split into a fast component, with particle motion polarized parallel to fracture strike, and a slow component, with particle motion polarized perpendicular to fracture strike. Determining the polarization of each split shear wave and the time lag between them provides valuable insight regarding fracture azimuth and intensity. However, analysis of shear wave polarizations in seismic data is hampered by reflection-induced polarizatio
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26

Masmoudi, Nabil. "High Frequency Asymptotic Methods for Traveltimes and Anisotropy Parameter Estimation in Azimuthally Varying Media." Thesis, 2014. http://hdl.handle.net/10754/317235.

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Traveltimes are conventionally evaluated by solving the zero-order approximation of the Wentzel, Kramers and Brillouin (WKB) expansion of the wave equation. This high frequency approximation is good enough for most imaging applications and provides us with a traveltime equation called the eikonal equation. The eikonal equation is a non-linear partial differential equation which can be solved by any of the familiar numerical methods. Among the most popular of these methods is the method of characteristics which yields the ray tracing equations and the finite difference approaches. In the first
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27

Shin, Yang-Hwan [Verfasser]. "Azimutal anisotrope Emission von K+-Mesonen in Au- + Au-Stößen bei 1 AGeV / von Yang-Hwan Shin." 2005. http://d-nb.info/976313677/34.

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28

Lamb, Alexander Peter Joseph. "An investigation of anisotropy using AVAZ and rock physics modeling in the Woodford Shale, Anadarko Basin, OK." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-05-5422.

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The Woodford Shale formation is currently an important unconventional gas resource that extends across parts of the mid-continent of the United States. A resource shale acts as source, seal, and reservoir, and its characterization is vital to successful exploitation and production of hydrocarbons. This work is a surface seismic observation and investigation of the seismic anisotropy present in the Woodford Shale formation in the Anadarko Basin, Oklahoma. One of the main causes of anisotropy here is commonly believed to be vertical natural fractures (HTI) and horizontal alignment of clay minera
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