نتایج جستجو برای: design and construction
تعداد نتایج: 16962400 فیلتر نتایج به سال:
Introduction bacteria species; Burkholderia pseudomallei, Vibrio cholera, and Shigella dysenteriae are the main pathogen causing Melioidosis, Cholera, and Shigella in humans respectively. bacterial species have a protein that has antigenic prosperities along with being a mucus based adjuvant thus easing their delivery and immunogenicity. These proteins were BLF1(B. pseudomallei), CTxB (V. cho...
آزمون انطباقی رایانه ای (cat) روشی نوین برای سنجش سطح علمی دانش آموزان می باشد. در حقیقت آزمون های رایانه ای با سرعت بالایی به سمت و سوی جایگزین عملی برای آزمون های کاغذی می روند (کینگزبری، هاوسر، 1993). مقاله حاضر به دنبال آزمون انطباقی رایانه ای برای ترجمه می باشد. بدین منظور دو پرسشنامه مشتمل بر 55 تست ترجمه میان 102 آزمودنی و 10 مدرس زبان انگلیسی پخش گردید. پرسشنامه اول میان 102 دانشجوی س...
Design and construction process of special kind of sputter ion pump is described briefly in this paper. In order to investigate the optimization of effective parameters in choosing and designing ILSF ion pumps, this pump has been designed and manufactured. By optimizing some parameters such as dimension and shape of penning cells, anode voltage, magnetic field and internal structure of pump, it...
some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...
The voltage values used in an IV measurement often depend on the specific electronic components being tested. For example, to test a solar cell, range of -3 V - 3 are sufficient, while for LED this value is 0 12 V. However, sometimes applying can change properties system under test. applied diode changes capacitive diode. Therefore, parameters tested should not current-voltage testing during In...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
Traditional software engineering techniques have introduced damaging gaps between successive activities of software development. The Eiffel method, with its emphasis on full lifecycle coverage and its reliance on the central technique of Design by Contract as a unifying theme for all software activities, provides an integrated approach to activities of analysis, design, implementation and maint...
The square and royal complex of Esfahan in Safavid era are one of the glorious examples of Iranian architectural history. So far many researchers have been trying to unveil the mysteries of such great architectural design. Some scholars believe that the construction of this complex has been carried out with a predetermined design; however, a comprehensive and realistic view can be achieved by c...
the purpose of this research was to evaluate the application of recycled aggregates of constructiondebris such as concrete, cement block and rubbles from pars-kangan site in asphalt concrete mix design. toevaluate the performance of aggregates different mix designs with recycled aggregate percentages of 0, 10,30, 50 and bitumen percentages of 4, 4.5, 5, 5.5, 6, and 6.5 were provided and two mar...
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