8,727 research outputs found

    ROSENTHAL, Eric Inventory of documents

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    COVERAGE 1904; 1 File; 011 metre.Private papers of Eric Rosenthal, author, journalist and broadcaster

    Further development and use of Ballistic Testing Apparatus for composite armor

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    Light-weight composite armor greatly protects our military and law enforcement but needs more developmental testing. This work continues development of a federally funded ballistic testing system started by F. Solis, with a current objective of obtaining 200+ m/s impact velocity and 500+ J of impact energy. Contributors besides Ancira and Peel include grant PI Dr. Shah Alam and undergraduate student helpers. The ballistic testing system is a vacuum cannon assisted by compressed air. The cannon was updated from a PVC pipe with a sabot projectile system using only atmospheric pressure to a steel pipe with a fast-acting, powered ball valve and a high-pressure booster system, all of which can withstand 2100 kPa (300 psi). Going to a steel barrel, using low-friction and light sabots, and adding a compressed air booster, greatly increased the impact velocity of the system’s penetrator. A data acquisition system, using vibration sensors, photoelectric sensors, and pressure transducers was developed. The 2-part sabot that carries a penetrator was upgraded with new designs and materials. With the highest recorded velocity of 165 m/s and energy of 367 J at a boost pressure of 717 kPa (104 psi), the system has not reached the desired velocity or energy but could exceed those if a shorter, larger diameter pipe tank is installed. Blow-by, tank geometry, and slower ball valve opening times are likely reasons for lower than desired velocities. The Ballistic Testing System is still a useful tool for testing ballistic panels

    tritrophic-dispersal-model: Code used for creating figures for "Non-hierarchical dispersal promotes stability and resilience in a tri-trophic metacommunity"

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    <p>This is the commented code used for creating figures for the paper. Any questions regarding the code should be directed to the corresponding author and repository owner (Eric Pedersen). </p&gt

    Eric Velazquez Spanish Language Picture Book Award 2022 Acceptance Speech

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    Author Eric Velazquez gives his Silver Medal acceptance speech for Pulpo Guisado (Holiday House)https://educate.bankstreet.edu/spanishlanguageaward/1001/thumbnail.jp

    Eric C. Lincoln, Professor of Sociology and Religion, 1971

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    This is an interview with Eric C. Lincoln. Eric was a Professor of Sociology and religion, Union Theological Seminary and author of many books and articles on Negro history. In this recording the contributors discuss local memphis politics, sociology, and race relations compared to that of other cities in the South and the rest of the country

    Interview with Eric Bentley, author, drama critic, and playwright

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    Distinguished drama critic and Bertolt Brecht scholar, Eric Bentley is interviewed by WTMJ-TV host Jim Peck and John B. Fuegi, associate professor of Comparative Literature. Bentley recalls his association with Brecht, the critical and creative aspects of literature, and his interest in writing plays for the theater.GrayscaleSoun

    Dr. Eric Yellin – Faculty Author Interview

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    Dr. Eric Yellin, Associate Professor of History and American Studies discusses his new book, Racism in the Nation’s Service: Government Workers and the Color Line in Woodrow Wilson’s America, published recently by the University of North Carolina Press. In this book, Dr. Yellin argues that President Wilson’s administration successfully segregated the federal government in the age of progressive politics. He investigates how the enactment of the segregation policy imposed a color line on American opportunity and implicated Washington in the economic limitation of African Americans for decades to com

    Essentials of Dental Radiography and Radiology / Eric Whaites and Nicholas Drage.

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    Previous edition: Essentials of dental radiography and radiology / Eric Whaites. Fourth edition. Edinburgh ; New York : Churchill Livingstone, 2007.Includes bibliographical references (pages 461-464) and index.x, 478, [2] pages

    10th C. Eric Lincoln Lecture Series, 1992

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    Part of the 10th anniversary of the C. Eric Lincoln lecture series Dr. Love Henry Whelchel moderates a panel of scholars. The panel includes Dr. C. Eric Lincoln, Dr. Jacquelyn Grant, and Dr. John Hope Franklin. The panel discusses the life of George Washington Williams (author of History of the Negro Race in America). The discussion includes issues related to Womanist theology, Islamic religion, sociology, religion and history.The Atlanta University Center Robert W. Woodruff Library acknowledges the generous support of the National Endowment for Humanities - Humanities Collections and Reference Resources Implementation Project Grant in supporting the processing and digitization of a number of its major archival collections as part of the project: Spreading the Word: Expanding Access to African American Religious Archival Collections at the Atlanta University Center Robert W. Woodruff Library

    Q & A - Eric Davidson

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    Eric Davidson graduated from the University of Pennsylvania in 1954 and received his PhD from Rockefeller University in 1963. He remained at Rockefeller until 1971 when he moved to Caltech in Pasadena, California. He was elected to the U.S. National Academy of Sciences in 1985, and is at present Norman Chandler Professor of Cell Biology in the Division of Biology, Caltech. He is the author of 5 books and over 400 papers on developmental gene regulation and evolution of genomic programs for development. For the last decade his work has focused on theory and operation of developmental gene regulatory networks
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