نتایج جستجو برای: for centuries
تعداد نتایج: 10359490 فیلتر نتایج به سال:
Humanity has constantly striven for progress. In Europe, this led to major medical breakthroughs during the late 19th and 20th centuries. From the development of vaccines to the discovery of antibiotics, man gradually managed to control devastating diseases such as tuberculosis or smallpox. Unfortunately, these two centuries also showed that progress is not always associated with health improve...
this study intends to investigate samuel beckett’s waiting for godot and endgame under the lacanian psychoanalysis. it begins by explaining the most important concepts of lacanian psychoanalysis. the beckettian characters are studied regarding their state of unconscious, and not the state of consciousness as is common in most beckett studies. according to lacan, language plays the sole role in ...
This paper presents a conceptual analysis of the essay by Paktovsky (1901) which concentrates on the works by Chekhov. The urgency of the research is determined by the significance of the literary figure for the history of Russian criticism of the 19th – 20th centuries, the importance of his vision concerning the writing of the authors of Russian literature of the turn of the century, as well a...
persian manuscripts were produced during the second century until the forth one in iran. iranians had experiences about painting in pre-islamic era, so they played an important role in creating art works such as miniature, illuminated pages in islamic civilization after the emergence of islam. in the first centuries of emerging islam, beautiful transcription, ornamentation of quran were honors ...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
[1] The instrumental record is too brief for evaluation of the El Niño-Southern Oscillation (ENSO) system and its long-term response to climate forcing. To supplement these data, we use a new reconstruction of December–February Niño-3 sea surface temperatures based on subtropical North American tree-ring records to investigate aspects of ENSO variability over the past six centuries (AD 1408–197...
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
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