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73 results for “time-history”
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Research ArticleOpen accessIn the abstractMichelson-Morley Experiment another AssessmentKoorosh ShahdaeiProblem statement: Ehrenfest paradox may be the most basic phenomenon in relativity that has a long history marked by controversy, which still gets different interpretations by researches. This assessment is about another paradox in special relativity for observers in none inertial frame that perceiving Galilean transformation. Approach: This assessment reevaluates Michelson and Morley's famous experiment and Lorentz transformation by comparing … …Physics International, Vol. 1, Issue 1 · 31 Mar 2010 · 8,011 accessesView PDFCite
Research ArticleOpen accessIn the abstractAre There Smaller Leverage Effects in Less-Developed Markets? Evidence from an Oil Exporting CountryMosayeb Phalavani, Parinaz EzzatiProblem statement: This study uses daily data from the Tehran Stock Market (TSM) to illustrate the nature of stock market volatility in an undeveloped and young stock market. Although most studies suggest that a negative shock to stock prices will generate more volatility than a positive shock of equal magnitude but there is no evidence of asymmetric effect in TSM. … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 7,521 accessesView PDFCite
Research ArticleOpen accessIn the abstractFinite Element Analysis of Composite Hardened Walls Subjected to Blast LoadsGirum S. UrgessaProblem statement: There is currently no standard design guideline to determine the number of composites needed to retrofit masonry walls in order to withstand a given explosion. Past design approaches were mainly based on simplified single-degree-of-freedom analysis. A finite element analysis was conducted for concrete masonry walls hardened with composites and subjected to short duration blast loads. Approach: The analysis … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,276 accessesView PDFCite
Research ArticleOpen accessIn the abstractUS Foreign Policy and Aid to the Peace CorpsDonald D.A. SchaeferProblem statement: This study examined foreign aid as administered by the US Agency for International Development (USAID) through four presidencies, beginning with the Reagan era. Aid dispensed to the Peace Corps for humanitarian purposes was the major focus of the investigation. The research proposed that such aid should continue under the President Barack Obama administration. Approach: The approach taken used … …Journal of Social Sciences, Vol. 5, Issue 2 · 30 Jun 2009 · 8,057 accessesView PDFCite
Research ArticleOpen accessIn the abstractEuropean Union and a Cost Benefits Analysis for its Members: The Case of Historic GreeceIoannis N. KallianiotisProblem statement: This study tried to determine the cost and benefits of Greece before and after joining the European Union and some of the problems that the current European (and the prospective Euro-Asian) Union has created to all European citizens. Approach: The most severe ones were the social chaos, which was increasing every day, due to the current financial crisis … …American Journal of Economics and Business Administration, Vol. 1, Issue 2 · 30 Jun 2009 · 7,740 accessesView PDFCite
Research ArticleOpen accessIn the abstractPeople Participation, an Undeniable Necessity for Conserving Forest Areas of Arasbaran Region in IranSara Zare, Hossein Shabanali Fami, Manouchehr NamiranianThe issue of participation has recently become an interesting point for many national, regional and international institutions. Participation and collaboration of Iranians in the field of natural resources conservation has an old history. During a long period of time, vast areas of natural resources have been protected by the dwellers and indigenous users; we are witnessing deep land use changes … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 4 · 31 Dec 2008 · 7,532 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy of Impact between Adjacent Structures during of Earthquake and their Effective ParametersAlireza M. Goltabar, R. Shamstabar Kami, A. EbadiIn this research, buildings with 2-15 stories and different heights were put together using GAP joint element and nonlinear time-history analyses were done for Tabas, Elcentro and Sakaria accelerographs. The responses of both impact and non-impact cases were compared. With results analyzing, we found out that the impact increased the responses in taller buildings but decreased them in shorter ones. … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2008 · 7,795 accessesView PDFCite
Research ArticleOpen accessIn the abstractGeo-Seismic Environmental Aspects Affecting Tailings Dams FailuresJuan M. Mayoral, Miguel P. RomoSeismic performance evaluations of tailings dams are essential for characterizing the geo-environmental risks posed by these earthen structures, which should include the geotechnical hazards implied by slope instability failure, free board loss and the potential release of contaminants. The observed damage is more important when liquefaction occurs on the dam body and foundation, which often leads to cracking, settlements, tilting … …American Journal of Environmental Sciences, Vol. 4, Issue 3 · 30 Jun 2008 · 7,088 accessesView PDFCite
Research ArticleOpen accessIn the abstractFirst Confirmed Case of Digital Dermatitis in GreeceP.D. Katsoulos, A. Minas, G. ChristodoulopoulosThe objective of the present study was to report the first confirmed case of digital dermatitis in Greece, emphasizing to the clinical appearance of the disease and to discuss some potential mechanisms concerning the entrance and the contagiousness of the disease in a new herd. The outbreak occurred in a new dairy farm of 60 primiparous Holstein cows in Thessaloniki … …American Journal of Animal and Veterinary Sciences, Vol. 3, Issue 2 · 30 Jun 2008 · 6,828 accessesView PDFCite
Research ArticleOpen accessIn the abstractEpidemiologic Assessment of the Protective Effects of Smallpox VaccinationHiroshi Nishiura, Isao Arita, Markus Schwehm, Martin EichnerDespite smallpox eradication, the widely discussed possibility of a bioterrorist attack using a variola virus makes it necessary to review the epidemiology of smallpox and the effects of various vaccination schemes. This paper provides a literature review concerning the epidemiologic assessment of the protective effects of smallpox vaccination, with particular emphasis on the statistical and theoretical points of view. Although … …American Journal of Infectious Diseases, Vol. 2, Issue 1 · 31 Mar 2006 · 7,011 accessesView PDFCite