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Articles de revues sur le sujet "Barker Texas History Center"

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Graf, LeRoy P., Helen Chapman et Caleb Coker. « The News from Brownsville : Helen Chapman's Letters from the Texas Military Frontier, 1848-1852. Barker Texas History Center Series. » Journal of Southern History 59, no 2 (mai 1993) : 367. http://dx.doi.org/10.2307/2209816.

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Coerver, Don M. « War Scare on the Rio Grande : Robert Runyon’s Photographs of the Border Conflict, 1913-1916. By Frank N. Samponaro and Paul J. Vanderwood. [Barker Texas History Center Series, no. 1.] (Austin : Texas State Historical Association, 1992. Pp. xv, 135. Photographs. Appendixes. Bibliography. Index. $125.00.) ». Americas 50, no 3 (janvier 1994) : 453–54. http://dx.doi.org/10.2307/1007175.

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Gocha, Timothy P., Sophia R. Mavroudas et Daniel J. Wescott. « The Texas State Donated Skeletal Collection at the Forensic Anthropology Center at Texas State ». Forensic Sciences 2, no 1 (27 décembre 2021) : 7–19. http://dx.doi.org/10.3390/forensicsci2010002.

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The Forensic Anthropology Center at Texas State (FACTS) began accepting whole-body donations for scientific research and educational purposes under the Texas Anatomical Gift Act in 2008. Research conducted with donated whole bodies involves studies in taphonomy and human decomposition, including reconstructing the postmortem interval. Following decomposition, the skeletal elements of all donors are collected, cleaned, and permanently curated into the Texas State Donated Skeletal Collection (TXSTDSC), which is used for teaching and research by faculty and students at Texas State but is also open to external researchers. To date, FACTS has received 710 donors. Fifty-eight percent of donors are male and 42% are female. Donor ages range from 21 weeks’ gestation to 103 years old at the time of death, with a mean of 66 years, and a median of 68 years. Based on self-identified or family-identified ancestry, 90% of donors are White, 4.5% are Hispanic, 3% are Black, less than 2% are of mixed ancestry, and less than 1% are Asian or Native American. Information collected about each donor includes geographic/residential history; occupational history; socioeconomic status; anthropometrics; parity status; alcohol, tobacco, and drug use history; mobility status; an overall health questionnaire; cause and manner of death.
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Sabino Salazar, Mariana. « The Romani Archives and Documentation Center : A Migratory Archive ? » Critical Romani Studies 3, no 2 (24 juin 2021) : 104–11. http://dx.doi.org/10.29098/crs.v3i2.81.

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The purpose of this review is to outline the history of the Romani Archives and Documentation Center (RADOC), its origin, mission, function, and what sets it apart from other archives in the world. Ian Hancock, emeritus professor at the University of Texas at Austin (UT) and author of The Pariah Syndrome (1987) and We Are the Romani People (2002), initiated the collection and was responsible for its organization and preservation for thelast 50 years. Due to Hancock’s recent retirement, RADOC will soon move from Texas to Turkey. It seems appropriate to reflect on this unique collection through Rodrigo Lazo’s concept of the migratory archive. RADOC differs from hegemonic national archives because it represents a heterogeneous group of peopledispersed throughout the world who speak different languages. Romani history has been largely written by outsiders, but the experience of Roma has also been recorded through other means, including literature and music. Regardless of the format, RADOC is committed to preserving the diversity of Romani voices. It is crucial that new generations of Romani and nonRomani scholars fight for the conservation of this archive and thepreservation of Romani history.
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de Terreros, Juan M. Romero. « The Destruction of the San Sabá Apache Mission : A Discussion of the Casualties ». Americas 60, no 4 (avril 2004) : 617–27. http://dx.doi.org/10.1353/tam.2004.0075.

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The Lipan Apache mission on the banks of the San Sabá River was located on the northern boundary of Coahuila, New Spain, in the center of today’s state of Texas. On March 16, 1758, Norteño tribes, allied with the Comanches, attacked and destroyed the mission, demonstrating their hostility to what they saw as the Spaniards’ unjust support of their traditional enemy, the Apaches. The destruction of the mission contributed to the failure of the most far-reaching attempt by the Spanish Crown and the Franciscan Order to settle the Apaches in Texas. The Spanish believed that the mission was the only means to ensure a peaceful settlement of central Texas native tribes and simultaneously to check French illegal arms trade in the northern borderlands. Once the Lipan Apaches were pacified, the reasoning went, definitive settlement of all the Norteño tribes and their allies would follow. These settlements of pacified tribes would also provide the much-desired direct link between Spanish settlements in Texas and those of New Mexico.
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Roeser, Ross J., Linda Thibodeau et Carol Cokely. « The University of Texas at Dallas/Callier Center for Communication Disorders Doctor of Audiology Program ». American Journal of Audiology 14, no 2 (décembre 2005) : 151–60. http://dx.doi.org/10.1044/1059-0889(2005/017).

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Purpose: The purpose of this article is to describe the history and resources of the doctor of audiology (AuD) program at the University of Texas at Dallas (UTD)/Callier Center for Communication Disorders, as well as to provide an overview of the program. Method: Data from 1999, when the AuD program was approved by the Texas Higher Education Coordinating Program, to the present were reviewed. Conclusions: The UTD/Callier Center AuD program includes more than 40 faculty members, spans 3 campuses, and has 8 research laboratories. Total enrollment is 32 students (8 students are admitted each year for the 4-year program). Students have access to extensive resources and learning opportunities. The clinical and research programs at the UTD/Callier Center are actively involved in providing high-quality, indepth education to future doctors of audiology.
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Walsh, Garrett Lyndon, et Reza John Mehran. « A Brief History of Thoracic Surgery at the University of Texas MD Anderson Cancer Center ». Seminars in Thoracic and Cardiovascular Surgery 28, no 3 (2016) : 719–26. http://dx.doi.org/10.1053/j.semtcvs.2016.08.016.

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Miramontes Olivas, Adriana, Juan De Dios Mora et Deborah Caplow. « Exodus to the “Promised Land:” Of the Devil and Other Monsters in Juan de Dios Mora’s Artworks ». Contemporaneity : Historical Presence in Visual Culture 6 (30 novembre 2017) : 58–72. http://dx.doi.org/10.5195/contemp.2017.222.

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Juan de Dios Mora is a printmaker and a senior lecturer at The University of Texas at San Antonio, where he began teaching painting, drawing, and printmaking in 2010. Mora is a prolific artist whose prints have been published in numerous venues including the catalogs New Arte Nuevo: San Antonio 2010 and New Art/Arte Nuevo San Antonio 2012. In 2017, his work was exhibited at several venues, including the McNay Art Museum in San Antonio, Texas in Juan Mora: Culture Clash (June 8–August 13, 2017) and at The Cole Art Center, Reavley Gallery in Nacogdoches, Texas, in Juan de Dios Mora (organized by the Art Department at the Stephen F. Austin State University School of Art, January 26–March 10, 2017). In 2016, Mora participated in the group show Los de Abajo: Garbage as an Artistic Source (From the Bottom: Garbage as an Artistic Source) at the Guadalupe Cultural Arts Center in San Antonio (June 10–July 29, 2016). Mora also curates the show Print It Up, which he organizes in the downtown area of San Antonio, thereby granting unprecedented exposure to numerous artists. For this exhibition, Mora mentors both students and alumni, guiding them through the exhibition process—from how to create a portfolio, frame and install artworks, to contracting with gallery owners, and selling artworks to the public. Adriana Miramontes Olivas is a doctoral student in the Department of the History of Art and Architecture at the University of Pittsburgh. She earned her BA at the University of Texas at El Paso and her MA at the University of Texas at San Antonio. Her research is in modern and contemporary global art with a focus on Latin America, gender studies, sexuality, and national identity.Dr. Deborah Caplow is an art historian and curator, and the author of a book about the Mexican printmaker, Leopoldo Méndez (Leopoldo Méndez: Revolutionary Art and the Mexican Print, University of Texas Press). She teaches art history at the University of Washington, Bothell. Areas of scholarship include twentieth-century Mexican art, the intersections between art and politics, and the history of photography. Currently, she is researching contemporary printmaking in Oaxaca, Mexico.
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Launius, Roger D. « Abandoned in Place : Interpreting the U.S. Material Culture of the Moon Race ». Public Historian 31, no 3 (2009) : 9–38. http://dx.doi.org/10.1525/tph.2009.31.3.9.

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Abstract The U.S. space race of the 1960s was an enormous undertaking, costing $$25.4 billion (about $$125 billion in 2009 dollars) with only the building of the Panama Canal rivalling the Apollo program's size as the largest nonmilitary technological endeavor ever undertaken by the United States. In the process, the United States built a massive infrastructure to support missions to the Moon. In the aftermath of the successful completion of the program, much of this infrastructure was abandoned, some was altered for other uses, and much torn down. This paper surveys six major cultural landmarks of the Moon race, assessing their differing fates:1. The Apollo Launch Pads——LC 39A and B——Kennedy Space Center, Florida.2. The Vertical Assembly Building (VAB), Kennedy Space Center, Florida.3. Mission Control Center (MCC), Johnson Space Center, Houston, Texas.4. Six Apollo landing sites on the Moon.5. Lunar Landing Research Facility, Langley Research Center, Hampton, Virginia.6. Apollo Command Modules on display in various museums around the nation, and in London.
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Vassallo, Christian. « Alcmaeon's Empirical Side : Unpublished Notes from the Vlastos-­Nachlass ». RIVISTA DI STORIA DELLA FILOSOFIA, no 1 (mars 2021) : 167–79. http://dx.doi.org/10.3280/sf2021-001010.

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In Folder n. 7, Container 49 of the Vlastos-Nachlass (Harry Ransom Center, University of Texas at Austin), an as-yet unpublished series of notes by Gregory Vlastos on Alcmaeon and his empirical method are preserved across two fascicles. After briefly contextualizing Vlastos' remarks within the history of scholarship on Alcmaeon, this paper provides the first annotated reconstruction of the manuscript's extant portion.
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Thèses sur le sujet "Barker Texas History Center"

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Neal, John F. (John Frank). « The History of the R. Jan Lecroy Center for Educational Telecommunications of the Dallas County Community College District ». Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc332758/.

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The R. Jan LeCroy Center for Educational Telecommunications of the Dallas County Community College District is a leading producer of telecourses for credit at the college level. In addition, the center is becoming involved with other kinds of electronic communication for educational purposes, including the Community College Satellite Network (CCSN), the State of Texas Academic Resources Link (STARLINK), and Instructional Television Fixed Service (ITFS). This study chronicles the DCCCD's progress in electronic distance learning from the time of its first telecourse in 1972 to the present time. This study also describes the center's purposes, the reasons for its growth, the problems that have been encountered, the people who provided its leadership, and the telecourses that have been offered and produced by the DCCCD.
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Lamb, Jacquelyn R. « The Patsy and Raymond Nasher Collection of Twentieth-Century Sculpture, 1967 to 1987 ». Thesis, University of North Texas, 1990. https://digital.library.unt.edu/ark:/67531/metadc501252/.

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Over a period of two decades, Raymond D. Nasher, a Dallas-based real estate developer, and his late wife Patsy amassed a collection of significant modern sculptures. For years, pieces from the private collection--numbering over 300 as of 1990--were on display in various museums and civic institutions, and they were installed on a rotating basis at Northpark Center, a Dallas shopping mall developed by Nasher. Since the 1987 Dallas Museum of Art exhibition, the collection has been shown in several major international museums. This study documents the formative period of the collection, the Nashers' collecting and exhibiting philosophies, and four early exhibitions of the sculptures. It includes a chronology of the Nashers and major acquisitions of sculpture.
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Stone, Bryan Edward. « West of center Jews on the real and imagined frontiers of Texas / ». 2003. http://wwwlib.umi.com/cr/utexas/fullcit?p3116194.

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Frink, Julia Susan. « The George Bush Presidential Library Center at Texas A&M University ». 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-08-7026.

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This was the first comprehensive doctoral dissertation on the George Bush Presidential Library Center at Texas A&M University. The Bush Presidential Library and Museum was the focal point. The purpose was to describe the global significance, work and educational contributions of the Bush Presidential Library while exploring its partnership with Texas A&M University. The primary data sources were: archival records, museum exhibits, interviews and my field work experiences. Beyond being a descriptive dissertation, this study offered unique hypotheses and conclusions. It examined the higher educational aspects of the Bush Presidential Library Center's operating context within Texas A&M University. These included the educational value of George Bush's career, the Bush Presidential Library's contents, and its benefits and technology use in educational programming. This study answered two unique hypotheses: how President Bush's liberation of Kuwait increased the Middle Eastern funding of presidential libraries and the Corps of Cadets' influence on President Bush's selection of Texas A&M University. George Bush's global presidency, distinguished international public service career and his world-changing, historical presidential achievements gave the Bush Presidential Library and Museum an extraordinary educational value. The data showed the educational value of, benefits of and technology's role in educational programming at the Bush Presidential Library and Museum. The global changes mirrored President Bush's career and his effort to combat terrorism. China's emergence as a world power was attributed to President Bush's career. The Bush Presidential Library and Museum is the core asset of the center. The data showed President Bush's liberation of Kuwait directly influenced the funding of his presidential library and the subsequent ones. The data showed the Texas A&M University Corps of Cadets' influence on President Bush's selection of Texas A&M University as the site for his presidential library. Texas A&M University is the best place for the George Bush Presidential Library Center. A university environment is the best place to host a presidential library.
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Livres sur le sujet "Barker Texas History Center"

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Wainerdi, Richard E. Texas Medical Center. New York : Newcomen Society of the United States, 1993.

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Litchfield, Mike, et Laura Bruns. Johnson Space Center : The first 50 years. Charleston, S.C : Arcadia Pub, 2013.

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Fields, William S. To and through the Texas Medical Center : A personal odyssey. Austin, Tex : Eakin Press, 1995.

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Macon, N. Don. Monroe Dunaway Anderson, his legacy : A history of the Texas Medical Center. 5e éd. Houston : Texas Medical Center, 1994.

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Johnson, Edgar D. HemisFair Park, San Antonio, Texas : An archival study for the convention center expansion. San Antonio, Tex. (6900 N. Loop 1604 W., San Antonio 78249-0658) : Center for Archaeological Research, University of Texas at San Antonio, 1997.

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Bacon, Amy L. Building leaders, living traditions : The Memorial Student Center at Texas A&M University. College Station : Texas A&M University Press, 2009.

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Dave, Oliphant, Zigal Thomas et University of Texas at Austin. Humanities Research Center., dir. Perspectives on music : Essays on collections at the Humanities Research Center. [Austin] : The Center, University of Texas at Austin, 1985.

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Ruiz, Richard S. Ophthalmology at Hermann Hospital & the University of Texas, Houston : A personal perspective. [Place of publication not identified] : [publisher not identified], 2010.

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Making cancer history : Disease and discovery at the University of Texas M.D. Anderson Cancer Center. Baltimore : Johns Hopkins University Press, 2008.

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Young, Nancy Beck. Texas, her Texas : The life and times of Frances Goff. Austin : Published for the Center for American History by the Texas State Historical Association, 1997.

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Chapitres de livres sur le sujet "Barker Texas History Center"

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Taylor, Sarah H. « History of MD Anderson’s Tumor Registry ». Dans 60 Years of Survival Outcomes at The University of Texas MD Anderson Cancer Center, 5–11. New York, NY : Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5197-6_2.

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Oram, Richard W. « “Harry’s Place” : A Brief History of the Academic Center and Undergraduate Library/Peter T. Flawn Academic Center ». Dans The Texas Book Two, 141–50. University of Texas Press, 2012. http://dx.doi.org/10.7560/728745-011.

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Taber, Douglass F. « Arrays of Stereogenic Centers : The Barker Synthesis of (+)-Galbelgin ». Dans Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0043.

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Gang Zhao of the Shanghai Institute of Organic Chemistry and Gang Zou of the East China University of Science and Technology devised (Adv. Synth. Catal. 2011, 353, 3129) an elegant catalyst for the direct enantioselective epoxidation of a simple acyclic enone 1. Ismail Ibrahem and Armando Córdova of Mid Sweden University and Stockholm University prepared (Adv. Synth. Catal. 2011, 353, 3114) 6 by combining three catalysts to effect the enantioselective addition of 5 to 4. Giovanni Casiraghi and Franca Zanardi of the Università degli Studi di Parma used (J. Org. Chem. 2011, 76, 10291) a silver catalyst to mediate the addition of 8 to 7 to give 9. Keiji Maruoka of Kyoto University condensed (Nature Chem. 2011, 3, 642) the diazo ester 10 with an aldehyde 4, leading, after reduction of the initial adduct and protection, to the diamine 11. Christoph Schneider of the Universität Leipzig effected (Synthesis 2011, 4050) the vinylogous addition of 13 to an imine 12, setting both stereogenic centers of 14. In the course of the coupling of 16 with the diol 15, Michael J. Krische of the University of Texas established (J. Am. Chem. Soc. 2011, 133, 12795) four new stereogenic centers. By adding (Chem. Commun. 2011, 47, 10557) an α-nitro ester 18 to the maleimide 19, Professor Maruoka established both the alkylated secondary center and the N-substituted quaternary center of 20. Srinivas Hotha of the Indian Institute of Science Education & Research and Torsten Linker of the University of Potsdam showed (Chem. Commun. 2011, 47, 10434) that the readily prepared lactone 21 could be opened to 23 without disturbing the stereogenic center adjacent to the carbonyls. Allan D. Headley and Bukuo Ni of Texas A&M University-Commerce devised (Synthesis 2011, 1993) a recyclable catalyst for the addition of an aldehyde 7 to a nitroalkene 24 in water to give 25. Alexandre Alexakis of the University of Geneva effected (Chem. Commun. 2011, 47, 7212) the triply convergent coupling of 26, 27, and 28 to give 29 as a single dominant diastereomer.
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Nicolazzo, Sal. « The Novel and the Sexuality of Vagrancy ». Dans Vagrant Figures, 72–115. Yale University Press, 2021. http://dx.doi.org/10.12987/yale/9780300241310.003.0003.

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This chapter examines the role of vagrancy law in regulating the affective, sexual, reproductive, and domestic lives of the English poor. It traces vagrancy's appearance at the margins of both the novel and the marriage plot across a series of texts, including Jane Barker's Patchwork Screen for the Ladies (1723), Sarah Scott's Millenium Hall (1762), and, most centrally, Henry Fielding's The Female Husband (1746). Fielding, as novelist, magistrate, and major eighteenth-century theorist of police, is at the center of the chapter, which reads his figuration of vagrancy as a kind of sexuality that disrupts labor-discipline, marriage, and legitimate inheritance. At the same time, Fielding's text and the archival records of policing that surround it reveal how one might take vagrancy as a category of analysis for transgender history, since the construction of the sexed body as metonym for juridical identity developed through a nexus of policing, surveillance, and transatlantic print culture for which vagrancy was a foundational legal category. Finally, through readings of Scott's Millenium Hall and Mary Saxby's posthumously published Memoirs of a Female Vagrant (1806), the chapter shows that literary histories of sexuality look profoundly different if one centers the parish rather than the family as the field of analysis.
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Fleegler, Robert L. « The Debates Take Center Stage ». Dans Brutal Campaign, 188–223. University of North Carolina PressChapel Hill, NC, 2023. http://dx.doi.org/10.5149/northcarolina/9781469673370.003.0008.

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Abstract This chapter shows how Bush continued to use the issues of race and patriotism to cement his lead over Dukakis. The vice president emphasized the governor’s veto of a bill mandating teachers lead their students in the Pledge of Allegiance as well as the story of William Horton, a prisoner who committed a rape while out on a prison furlough. The Dukakis campaign briefly gained momentum after their presidential candidate won the first debate and Bentsen emerged as the overwhelming victor in the vice-presidential debate. Indeed, the Texas’ senator’s declaration that Quayle was “no Jack Kennedy” would echo through history as the most memorable moment in the history of V.P. debates. Needing another big moment in the second presidential debate, Dukakis squandered his chance when he seemed unemotional when moderator Bernard Show asked if he’d support the death penalty if someone had raped and murdered his wife. Finally, “Saturday Night Live” political skits became a central part of the presidential discussion and global warming became a subject of concern for the first time.
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Yu, Henry. « Introduction : The Locations of History ». Dans Thinking Orientals : Migration, Contact, and Exoticism in Modern America, 5–12. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195116601.003.0002.

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Abstract It might be tempting to think of Asian immigration to the United States in mythic terms, of migrants from the Far East coming to the West Coast of the United States and crossing the continent eastward, passing fleeing Indians and westering white settlers. Figuring Asian immigrants as a sort of anti-frontier myth would be appealing, a powerful way (along with the story of Hispanic Americans who were in California, Texas, and New Mexico long before it was the American West) of subverting Frederick Jackson Turner’s conception of the western frontier. Turner’s 1892 thesis placed white European Americans at the center of history, situated at a frontier moving steadily westward, occupying the boundary between civilization and savagery. Telling a story about Asians from a different shore—people who crossed the Pacific instead of the Atlantic and created their own eastern frontier—might seem a welcome corrective to Eurocentric American history. But the notion of an Asian diaspora spreading outward from China and Japan into Southeast Asia, Australia, Hawaii, South America, and finally Canada and the United States would only place Asians instead of Europeans at the center of history.
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Hennings, Peter H., et Michael H. Young. « The TexNet-CISR collaboration and steps toward understanding induced seismicity in Texas ». Dans Recent Seismicity in the Southern Midcontinent, USA : Scientific, Regulatory, and Industry Responses. Geological Society of America, 2023. http://dx.doi.org/10.1130/2023.2559(06).

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ABSTRACT Diverse seismicity-prone geologic systems are located in Texas, USA. These systems include areas of tectonically natural earthquakes and areas with induced seismicity stemming from multiple factors. Some systems are geologically and operationally simple, such as the Fort Worth Basin, where multiple lines of peer-reviewed evidence indicate that earthquakes have been induced by injection of oil-field wastewater above the geologic basement, and the Eagle Ford region, where earthquakes have been induced principally by hydraulic fracturing activities. Other systems are far more complex, such as the Texas Panhandle, where natural seismicity and induced seismicity coexist, and the Delaware Basin, where wastewater disposal both above and below shale targets and hydraulic fracturing coexist with induced seismic events. Although cases of induced seismicity were documented in Texas as early as the 1980s, the public’s attention and formal regulatory actions occurred after substantial increases in seismicity were observed proximal to unconventional hydrocarbon reservoir development in the Dallas–Fort Worth metropolitan area. These actions, intended to mitigate induced seismicity, included creation of the Texas-funded TexNet Earthquake Monitoring Program in 2015 and the formation of the industry-sponsored Center for Integrated Seismicity Research in 2016, implementing policy changes by the Railroad Commission of Texas, and altering field activities by the petroleum industry. A public-private partnership was established in Texas for monitoring earthquakes, conducting research on causation and evolving risk, and developing approaches for mitigation. This partnership between stakeholders represents a major concerted effort to address the evolving environmental hazards of induced seismicity. Even with these actions, however, the total number of earthquakes with ML ≥ 2.0 cataloged in Texas reached a record high of 2601 in 2022, representing more than double the number of earthquakes that occurred in 2020 and more than eight times the number that occurred in 2017. This chapter provides a recent history of seismicity in specific areas of Texas and the monitoring, research, and regulatory actions taken to mitigate induced seismicity.
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Delgadillo, Theresa, et Janet Weaver. « Work, Coalition, and Advocacy ». Dans The Latina/o Midwest Reader. University of Illinois Press, 2017. http://dx.doi.org/10.5622/illinois/9780252041211.003.0017.

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This chapter explores the leadership experiences of Latinas in Wisconsin and Iowa from a variety of occupational and ethnic backgrounds. Drawing on oral histories and archival documents, it places gender at the center of the analysis of twentieth-century migration of women and their families into the Midwest - first from Mexico and Texas and later from Puerto Rico, Cuba, and Central America. Understanding the leadership work of these Latinas in communities, organizations, and homes, as well as their advocacy for civil rights and women’s rights as professional and blue-collar workers, helps reshape and enrich the narrative of the history of the Midwest.
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Meyer, William B. « Since 1945 : New Amenities, New Hazards ». Dans Americans and Their Weather. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195131826.003.0011.

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If the average citizen's surroundings defined the national climate, then the United States grew markedly warmer and drier in the postwar decades. Migration continued to carry the center of population west and began pulling it southward as well. The growth of what came to be called the Sunbelt at the "Snowbelt's" expense passed a landmark in the early 1960s when California replaced New York as the most populous state. Another landmark was established in the early 1990s when Texas moved ahead of New York. In popular discussion, it was taken for granted that finding a change of climate was one of the motives for relocating as well as one of the results. It was not until 1954, though, that an American social scientist first seriously considered the possibility. The twentieth-century flow of Americans to the West Coast, the geographer Edward L. Ullman observed in that year, had no precedent in world history. It could not be explained by the theories of settlement that had worked well in the past, for a substantial share of it represented something entirely new, "the first large-scale in-migration to be drawn by the lure of a pleasant climate." If it was the first of its kind, it was unlikely to be the last. For a set of changes in American society, Ullman suggested, had transformed the economic role of climate. The key changes included a growth in the numbers of pensioned retirees; an increase in trade and service employment, much more "footloose" than agriculture or manufacturing was; developments in technology making manufacturing itself more footloose; and a great increase in mobility brought about by the automobile and the highway. All in one way or another had weakened the bonds of place and made Americans far freer than before to choose where to live. Whatever qualities made life in any spot particularly pleasant thus attracted migration more than in the past. Ullman grouped such qualities together as "amenities." They ranged from mountains to beaches to cultural attractions, but climate appeared to be the most important, not least because it was key to the enjoyment of many of the rest. Ullman did not suppose that all Americans desired the same climate. For most people, in this as in other respects, "where one was born and lives is the best place in the world, no matter how forsaken a hole it may appear to an outsider."
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Actes de conférences sur le sujet "Barker Texas History Center"

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Deng, J., J. Tan, E. Wolfram et V. Muralidharan. « Unconventional Near-Critical Fluid Characterization and GOR Modeling : Wolfcamp Formation in Permian Basin ». Dans SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215154-ms.

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Abstract PVT fluid systems vary across the Delaware Basin in Texas, transitioning from black oil in eastern Loving County to volatile oil in the center of northern Loving County, shifting to near-critical fluid or rich gas condensate on the western part of Reeves County. Understanding the GOR behavior of a near-critical fluid system is important for meaningful reserves estimation, optimal well spacing, and efficient completion design. GOR behavior is controlled by PVT fluid system, the initial reservoir conditions, rock-fluid properties, the effective SRV (Stimulated Rock Volume) achieved by hydraulic fracturing, the flow regimes in the dual matrix-fracture system, inter-well communications, and well drawdown strategy. The system pressure and flow regimes developed in the Trilinear system (Brown et al. 2011) of inner fracture plane, outer fracture network, and surrounding tight matrix control the GOR profile shape. The producing GOR of Wolfcamp formations in the Delaware Basin typically exhibits a long GOR transient plateau, which is controlled by the PVT fluid system, the degree of undersaturation, the Linear Flow Parameter (LFP), fracture network complexity, and the contacted OOIP in the SRV. In this study, numerical multiphase RTA modeling was performed for Wolfcamp wells in the near-critical PVT regions. GOR remains constant during the linear transient flow regime; late-time gradual rise in GOR is controlled by LFP/OOIP ratios, which are determined by history matching the linear flow to the boundary-dominated flow curve. The long-term production forecast was accomplished using an integrated EOS (Equation of State) compositional model. The forecast captured GOR behaviors for section-level infill development, which demonstrated long period of constant GOR followed by a gradual rise in GOR. The EOS model was characterized to represent the near-critical fluid system and was tuned using the regional PVT control points. The simulation model was upscaled from the regional subsurface geomodel with facies-controlled petrophysical properties. By incorporating the HFTS II project learnings (Bessa et al. 2021), a GOHFER fracture model was built based on standard completion designs, from which the representative SRV profiles were extracted. The key rock-fluid properties, SRV and completion efficiency, and well spacing configurations were investigated through the history matching process and sensitivity analysis. The integrated analytical and numerical modeling workflow captures the generalized GOR profiles for the Wolfcamp formation in Delaware Basin for three PVT regions: Volatile Oil, Near-Critical Fluid, and Rich Gas Condensate. It also provides a systematic approach for GOR profile construction for given PVT fluid system. Late -time rising GOR in Delaware Basin do not adversely affect the oil EUR as approximately half of the oil recovery was still achieved during rising GOR period. High pressure gradient and high degree of under-saturation is one of the main reasons for long period of constant GOR followed by gentle climb at late-time, which also provides solution gas support for oil recovery. Finally, a regional performance coefficient was proposed for ranking field development based on the PVT fluid system, the degree of under-saturation, and the completion efficiency.
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De Los Santos, Nancy, Constantine M. Tarawneh, Robert E. Jones et Arturo Fuentes. « Defect Prognostics Models for Spall Growth in Railroad Bearing Rolling Elements ». Dans 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6214.

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Prevention of railroad bearing failures, which may lead to catastrophic derailments, is a central safety concern. Early detection of railway component defects, specifically bearing spalls, will improve overall system reliability by allowing proactive maintenance cycles rather than costly reactive replacement of failing components. A bearing health monitoring system will provide timely detection of flaws. However, absent a well verified model for defect propagation, detection can only be used to trigger an immediate component replacement. The development of such a model requires that the spall growth process be mapped out by accumulating associated signals generated by various size spalls. The addition of this information to an integrated health monitoring system will minimize operation disruption and maintain maximum accident prevention standards enabling timely and economical replacements of failing components. An earlier study done by the authors focused on bearing outer ring (cup) raceway defects. The developed model predicts that any cup raceway surface defect (i.e. spall) once reaching a critical size (spall area) will grow according to a linear correlation with mileage. The work presented here investigates spall growth within the inner rings (cones) of railroad bearings as a function of mileage. The data for this study were acquired from defective bearings that were run under various load and speed conditions utilizing specialized railroad bearing dynamic test rigs owned by the University Transportation Center for Railway Safety (UTCRS) at the University of Texas Rio Grande Valley (UTRGV). The experimental process is based on a testing cycle that allows continuous growth of railroad bearing defects until one of two conditions are met; either the defect is allowed to grow to a size that does not jeopardize the safe operation of the test rig, or the change in area of the spall is less than 10% of its previous size prior to the start of testing. The initial spall size is randomly distributed as it depends on the originating defect depth, size, and location on the rolling raceway. Periodic removal and disassembly of the railroad bearings was carried out for inspection and defect size measurement along with detailed documentation. Spalls were measured using optical techniques coupled with digital image analysis, as well as, with a manual coordinate measuring instrument with the resulting field of points manipulated in MatLab™. Castings were made of spalls using low-melting, zero-shrinkage bismuth-based alloys, so that a permanent record of the spall geometry and its growth history can be retained. The main result of this study is a preliminary model for spall growth, which can be coupled with bearing condition monitoring tools that will allow economical and effective scheduling of proactive maintenance cycles that aim to mitigate derailments, and reduce unnecessary train stoppages and associated costly delays on busy railways.
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