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[null,"1.","Record Nr.",null,"UNINA9910700745603321"]
[null,null,"Titolo",null,"Engaging foreign audiences [[electronic resource] ] : assessment of public diplomacy platforms could help improve State Department plans to expand engagement : report to the Chairman, Committee on Foreign Affairs, House of Representatives"]
[null,null,"Pubbl/distr/stampa",null,"[Washington, D.C.] : , : U.S. Govt. Accountability Office, , [2010]"]
[null,null,"Descrizione fisica",null,"1 online resource (ii, 43 pages) : illustrations, maps"]
[null,null,"Soggetti",null,"Diplomacy"]
[{"$nulls":4},"Overseas information libraries, American"]
[{"$nulls":4},"International libraries"]
[{"$nulls":4},"Library outreach programs"]
[{"$nulls":4},"Social media"]
[{"$nulls":4},"United States Foreign relations"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from PDF cover (GAO, viewed Mar. 29, 2011)."]
[{"$nulls":4},"\"July 2010.\""]
[{"$nulls":4},"\"GAO-10-767.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Letter -- Background -- State Utilizes a Broad Range of External Outreach Platforms around the World -- State Faces Various Challenges to Using Overseas Platforms, but Officials Have Identified Several Opportunities for Leveraging These Platforms -- State Intends to Expand Its Use of Outreach Platforms through Varying Plans for Individual Platforms -- Despite Plans to Expand Engagement with Foreign Audiences, State Has Not Evaluated Its Outreach Platforms, Making It Difficult to Assess Their Relative Effectiveness -- Conclusions -- Recommendations for Executive Action -- Agency Comments and Our Evaluation -- Appendix I. Objectives, Scope, and Methodology -- Appendix II. Maps of Overseas Public Diplomacy Platforms -- Appendix III. Comments from the Department of State -- Appendix IV. GAO Contact and Staff Acknowledgments."]
[null,"2.","Record Nr.",null,"UNINA9910557594903321"]
[null,null,"Autore",null,"Armstrong Ronald W"]
[null,null,"Titolo",null,"Dislocation Mechanics of Metal Plasticity and Fracturing"]
[null,null,"Pubbl/distr/stampa",null,"Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020"]
[null,null,"Descrizione fisica",null,"1 online resource (188 p.)"]
[null,null,"Soggetti",null,"Research and information: general"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","The modern understanding of metal plasticity and fracturing began about 100 years ago, with pioneering work; first, on crack-induced fracturing by Griffith and, second, with the invention of dislocation-enhanced crystal plasticity by Taylor, Orowan and Polanyi. The modern counterparts are fracture mechanics, as invented by Irwin, and dislocation mechanics, as initiated in pioneering work by Cottrell. No less important was the breakthrough development of optical characterization of sectioned polycrystalline metal microstructures started by Sorby in the late 19th century and leading eventually to modern optical, x-ray and electron microscopy methods for assessments of crystal fracture surfaces, via fractography, and particularly of x-ray and electron microscopy techniques applied to quantitative characterizations of internal dislocation behaviors. A major current effort is to match computational simulations of metal deformation/fracturing behaviors with experimental measurements made over extended ranges of microstructures and over varying external conditions of stress-state, temperature and loading rate. The relation of such simulations to the development of constitutive equations for a hoped-for predictive description of material deformation/fracturing behaviors is an active topic of research. The present collection of articles provides a broad sampling of research accomplishments on the two subjects."]