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Author : Andrew Lang Golub,Bruce D. Johnson
Publisher : Unknown
Page : 18 pages
File Size : 47,9 Mb
Release : 1993
Category : Cocaine abuse
ISBN : UOM:39015055604378
Author : William B. Bull
Publisher : Unknown
Page : 98 pages
File Size : 42,9 Mb
Release : 1972
Category : Alluvial fans
ISBN : UCR:31210020748610
A study of filled tension cracks in alluvial-fan deposits.
Author : Anonim
Publisher : Unknown
Page : 64 pages
File Size : 40,9 Mb
Release : 1993
Category : Geology
ISBN : MINN:31951P00306274R
Author : Anonim
Publisher : Unknown
Page : 914 pages
File Size : 48,6 Mb
Release : 1964
Category : Geology
ISBN : UOM:39015042674625
Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 366 pages
File Size : 55,6 Mb
Release : 1964
Category : Electronic
ISBN : STANFORD:36105007748598
Author : Donovan X. Ramsey
Publisher : Random House
Page : 449 pages
File Size : 46,7 Mb
Release : 2024-07-02
Category : History
ISBN : 9780525511816
LONGLISTED FOR THE NATIONAL BOOK AWARD • A “vivid and frank” (NPR) account of the crack cocaine era and a community’s ultimate resilience, told through a cast of characters whose lives illuminate the dramatic rise and fall of the epidemic “A master class in disrupting a stubborn narrative, a monumental feat for the fraught subject of addiction in Black communities.”—The Washington Post “A poignant and compelling re-examination of a tragic era in America history . . . insightful . . . and deeply moving.”—Bryan Stevenson, author of the #1 New York Times bestseller Just Mercy FINALIST FOR THE NATIONAL BOOK CRITICS CIRCLE AWARD • ONE OF THE NEW YORK PUBLIC LIBRARY AND VULTURE’S TEN BEST BOOKS OF THE YEAR A BEST BOOK OF THE YEAR: Time, The Washington Post, NPR, Chicago Public Library, Publishers Weekly, She Reads, Electric Lit, The Mary Sue The crack epidemic of the 1980s and 1990s is arguably the least examined crisis in American history. Beginning with the myths inspired by Reagan’s war on drugs, journalist Donovan X. Ramsey’s exacting analysis traces the path from the last triumphs of the Civil Rights Movement to the devastating realities we live with today: a racist criminal justice system, continued mass incarceration and gentrification, and increased police brutality. When Crack Was King follows four individuals to give us a startling portrait of crack’s destruction and devastating legacy: Elgin Swift, an archetype of American industry and ambition and the son of a crack-addicted father who turned their home into a “crack house”; Lennie Woodley, a former crack addict and sex worker; Kurt Schmoke, the longtime mayor of Baltimore and an early advocate of decriminalization; and Shawn McCray, community activist, basketball prodigy, and a founding member of the Zoo Crew, Newark’s most legendary group of drug traffickers. Weaving together riveting research with the voices of survivors, When Crack Was King is a crucial reevaluation of the era and a powerful argument for providing historically violated communities with the resources they deserve.
Author : Ulrich Häußler-Combe
Publisher : John Wiley & Sons
Page : 357 pages
File Size : 51,5 Mb
Release : 2014-11-24
Category : Technology & Engineering
ISBN : 9783433030547
The book covers the application of numerical methods to reinforced concrete structures. To analyze reinforced concrete structures linear elastic theories are inadequate because of cracking, bond and the nonlinear and time dependent behavior of both concrete and reinforcement. These effects have to be considered for a realistic assessment of the behavior of reinforced concrete structures with respect to ultimate limit states and serviceability limit states. The book gives a compact review of finite element and other numerical methods. The key to these methods is through a proper description of material behavior. Thus, the book summarizes the essential material properties of concrete and reinforcement and their interaction through bond. These basics are applied to different structural types such as bars, beams, strut and tie models, plates, slabs and shells. This includes prestressing of structures, cracking, nonlinear stressstrain relations, creeping, shrinkage and temperature changes. Appropriate methods are developed for each structural type. Large displacement and dynamic problems are treated as well as short-term quasi-static problems and long-term transient problems like creep and shrinkage. Most problems are illustrated by examples which are solved by the program package ConFem, based on the freely available Python programming language. The ConFem source code together with the problem data is available under open source rules at concrete-fem.com. The author aims to demonstrate the potential and the limitations of numerical methods for simulation of reinforced concrete structures, addressing students, teachers, researchers and designing and checking engineers.
Author : Ulrich Häussler-Combe
Publisher : John Wiley & Sons
Page : 450 pages
File Size : 42,6 Mb
Release : 2022-09-22
Category : Technology & Engineering
ISBN : 9783433610244
Beton ist aufgrund seiner Vorteile der mit Abstand meistverwendete Baustoff: er ist formbar, preiswert und überall verfügbar. Kombiniert mit Bewehrung bietet dies eine immense Bandbreite an Eigenschaften und kann für eine Vielzahl von Zwecken angepasst werden. Damit ist Beton der Baustoff des 20. Jahrhunderts. Um der Baustoff des 21. Jahrhunderts zu sein, muss seine Nachhaltigkeit in den Fokus rücken. Bewehrte Betonkonstruktionen müssen mit geringerem Materialaufwand konstruiert werden, wobei ihr Tragfähigkeitspotential optimal ausgeschöpft werden muss. Computergestützte Methoden wie die Finite-Elemente-Methode (FEM) bieten wesentliche Werkzeuge, um das Ziel zu erreichen. In Kombination mit experimenteller Validierung ermöglichen sie ein tieferes Verständnis der Tragmechanismen. Im Vergleich zu herkömmlichen Ansätzen kann eine realistischere Abschätzung der Grenzzustände der Tragfähigkeit und der Gebrauchstauglichkeit erreicht werden. Dies ermöglicht eine deutlich verbesserte Ausnutzung der Baustoffe. Damit eröffnet sich auch ein weiterer Horizont für innovative Tragwerksentwürfe. Anspruchsvolle numerische Rechenverfahren werden aber in der Regel als "Black Boxes" bereitgestellt. Daten werden eingegeben, die Ausgaben ungeprüft übernommen, aber das Verständnis für die dazwischenliegenden Schritte ist oft rudimentär. Dies birgt die Gefahr von Fehlinterpretationen, um nicht zu sagen ungültigen Ergebnissen im Vergleich zu den getroffenen Problemdefinitionen. Das Risiko ist insbesondere bei nichtlinearen Problemen hoch. Bewehrter Beton weist als Verbundmaterial in seinen Grenzzuständen ein nichtlineares Verhalten auf, verursacht durch Verbund und nichtlineare Eigenschaften seiner Bestandteile. Seine Rissbildung ist ein reguläres Verhalten. In diesem Buch werden die Mechanismen des bewehrten Betons unter dem Blickwinkel numerischer Methoden aufgezeigt. So sollen auch "Black Boxes" transparent werden. Das Buch beschreibt entsprechende Methoden für Balken, Scheiben, Platten und Schalen im Rahmen von Quasi-Statik und Dynamik. Betonkriechen, Temperatureinwirkungen, Vorspannung, große Verformungen werden beispielhaft behandelt. Weiterhin werden aktuelle Materialmodelle für Beton dargestellt. Dabei werden sowohl die Möglichkeiten als auch die Fallstricke numerischer Methoden aufgezeigt. Die Theorie wird durch eine Vielzahl von Beispielen veranschaulicht. Die meisten von ihnen werden mit dem in Python implementierten und unter Open-Source-Bedingungen verfügbaren Softwarepaket ConFem durchgeführt.
Author : Cathy Lisa Schneider
Publisher : University of Pennsylvania Press
Page : 312 pages
File Size : 51,8 Mb
Release : 2014-07-17
Category : History
ISBN : 9780812246186
Three weeks after Lyndon Johnson signed the Civil Rights Act of 1964, a New York City police officer shot and killed a fifteen-year-old black youth, inciting the first of almost a decade of black and Latino riots throughout the United States. In October 2005, French police chased three black and Arab teenagers into an electrical substation outside Paris, culminating in the fatal electrocution of two of them. Fires blazed in Parisian suburbs and housing projects throughout France for three consecutive weeks. Cathy Lisa Schneider explores the political, legal, and economic conditions that led to violent confrontations in neighborhoods on opposite sides of the Atlantic half a century apart. Police Power and Race Riots traces the history of urban upheaval in New York and greater Paris, focusing on the interaction between police and minority youth. Schneider shows that riots erupted when elites activated racial boundaries, police engaged in racialized violence, and racial minorities lacked alternative avenues of redress. She also demonstrates how local activists who cut their teeth on the American race riots painstakingly constructed social movement organizations with standard nonviolent repertoires for dealing with police violence. These efforts, along with the opening of access to courts of law for ethnic and racial minorities, have made riots a far less common response to police violence in the United States today. Rich in historical and ethnographic detail, Police Power and Race Riots offers a compelling account of the processes that fan the flames of urban unrest and the dynamics that subsequently quell the fires.
Author : Wang Sijing,Fu Bingjun,Li Zhonkui
Publisher : CRC Press
Page : 706 pages
File Size : 42,9 Mb
Release : 2020-12-17
Category : Technology & Engineering
ISBN : 9781000099591
These proceedings contain the scientific contributions presented at the 2nd Asian Rock Mechanics Symposium (ISRM 2001 - 2nd ARMS). The theme of the symposium was "Frontiers of Rock Mechanics and Sustainable Development in the 21st Century".
Author : Donald O. Thompson,Dale E. Chimenti
Publisher : Springer Science & Business Media
Page : 1790 pages
File Size : 55,9 Mb
Release : 2013-06-29
Category : Technology & Engineering
ISBN : 9781461318934
This volume (Parts A and B) contains the edited papers presented at the annual Review of Progress in Quan?itative Nondestructive Evalua tion held at the University of California (San Diego) in LaJo11a, August 3-8, 1986. The Review was organized and sponsored by the Center for NDE at Iowa State University and the Ames Laboratory, in cooperation with the Office of Basic Energy Sciences, USDOE, and the Materia1s Laboratory at Wright-Patterson Air Force Base. Approximately 400 attendees, a new record, representing various government agencies, industry, and universities participated in the technical presentations, poster sessions, and discussions. This Review, with its wide-ranging interchange of technical information, stands as one of the most compre hensive in the field of NDE research and engineering. In order to present the reader with a more usefu1 document, we have organized the symposium papers in these Proceedings by subject rather than by the order of presentation at the Review. Topical subject headings have been selected under which the 1arge majority of papers wou1d reasonably falI. Here, again, we have revised the format used in former years to accommodate an evolving focus of interest in the field. These categories cover a broad spectrum of research in NDE and encompass activities from fundamental work to early engineering applications. In the following paragraphs we offer a brief summary of the research presented in these Proceedings.
Author : David D. Zhang
Publisher : Springer Science & Business Media
Page : 336 pages
File Size : 42,8 Mb
Release : 2013-11-11
Category : Computers
ISBN : 9781461545194
Biometrics-based authentication and identification are emerging as the most reliable method to authenticate and identify individuals. Biometrics requires that the person to be identified be physically present at the point-of-identification and relies on `something which you are or you do' to provide better security, increased efficiency, and improved accuracy. Automated biometrics deals with physiological or behavioral characteristics such as fingerprints, signature, palmprint, iris, hand, voice and face that can be used to authenticate a person's identity or establish an identity from a database. With rapid progress in electronic and Internet commerce, there is also a growing need to authenticate the identity of a person for secure transaction processing. Designing an automated biometrics system to handle large population identification, accuracy and reliability of authentication are challenging tasks. Currently, there are over ten different biometrics systems that are either widely used or under development. Some automated biometrics, such as fingerprint identification and speaker verification, have received considerable attention over the past 25 years, and some issues like face recognition and iris-based authentication have been studied extensively resulting in successful development of biometrics systems in commercial applications. However, very few books are exclusively devoted to such issues of automated biometrics. Automated Biometrics: Technologies and Systems systematically introduces the technologies and systems, and explores how to design the corresponding systems with in-depth discussion. The issues addressed in this book are highly relevant to many fundamental concerns of both researchers and practitioners of automated biometrics in computer and system security.
Author : William R. Lund,Christopher B. DuRoss,Stefan M. Kirby,Greg N. McDonald,Gary Hunt
Publisher : Utah Geological Survey
Page : 34 pages
File Size : 55,9 Mb
Release : 2005-08
Category : Science
ISBN : 9781557917300
This CD contains a 30-page report and 37-photo appendix of an investigation by the Utah Geological Survey of five recently discovered earth fissures in southwestern Utah. The earth fissues, which likely resulted from aquifer compaction due to ground-water withdrawal, were revealed after floodwater infiltrated into and enlarged the fissures during January 2005. This study discusses the geology and hydrology of the Escalante Valley where the fissures formed, includes maps of the fissure traces, discusses the most probable cause of fissure formation, and presents recommendations for future study. 30 pages + 37 page appendix
Author : Jackson R. Bryer,Alan Margolies,Ruth Prigozy
Publisher : University of Georgia Press
Page : 293 pages
File Size : 44,7 Mb
Release : 2012-03-15
Category : Literary Criticism
ISBN : 9780820343549
Years after his death, F. Scott Fitzgerald continues to captivate both the popular and the critical imagination. This collection of essays presents fresh insights into his writing, discussing neglected texts and approaching familiar works from new perspectives. Seventeen scholarly articles deal not only with Fitzgerald's novels but with his stories and essays as well, considering such topics as the Roman Catholic background of The Beautiful and Damned and the influence of Mark Twain on Fitzgerald's work and self-conception. The volume also features four personal essays by Fitzgerald's friends Budd Schulberg, Frances Kroll Ring, publisher Charles Scribner III, and writer George Garrett that shed new light on his personal and professional lives. Together these contributions demonstrate the continued vitality of Fitzgerald's work and establish new directions for ongoing discussions of his life and writing.
Author : Jichuan Wang,Xiaoqian Wang
Publisher : John Wiley & Sons
Page : 471 pages
File Size : 53,6 Mb
Release : 2012-07-31
Category : Social Science
ISBN : 9781118356302
A reference guide for applications of SEM using Mplus Structural Equation Modeling: Applications Using Mplus is intended as both a teaching resource and a reference guide. Written in non-mathematical terms, this book focuses on the conceptual and practical aspects of Structural Equation Modeling (SEM). Basic concepts and examples of various SEM models are demonstrated along with recently developed advanced methods, such as mixture modeling and model-based power analysis and sample size estimate for SEM. The statistical modeling program, Mplus, is also featured and provides researchers with a flexible tool to analyze their data with an easy-to-use interface and graphical displays of data and analysis results. Key features: Presents a useful reference guide for applications of SEM whilst systematically demonstrating various advanced SEM models, such as multi-group and mixture models using Mplus. Discusses and demonstrates various SEM models using both cross-sectional and longitudinal data with both continuous and categorical outcomes. Provides step-by-step instructions of model specification and estimation, as well as detail interpretation of Mplus results. Explores different methods for sample size estimate and statistical power analysis for SEM. By following the examples provided in this book, readers will be able to build their own SEM models using Mplus. Teachers, graduate students, and researchers in social sciences and health studies will also benefit from this book.
