منابع مشابه
the effect of vocabulary instruction through semantic mapping on learning and recall of efl learners
چکیده ندارد.
15 صفحه اولthe effect of functional/notional approach on the proficiency level of efl learners and its evaluation through functional test
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
15 صفحه اولCorona discharge in the steam for electrostatically enforced condensation
The corona discharge in the steam is investigated theoretically and experimentally in means of implementation with the steam condenser for the improved phase-change rate. The considered phenomena include the nucleation of water vapor on mobile charge carriers, the electrohydrodynamic vapor flow toward the condenser wall and the thermodynamics of the charged micro-droplet. The average size of mi...
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This study relates public water supply systems, most of which use ground water, to locations of industrial discharge wells and automotive service station discharge wells in Chester County, Pennsylvania. Injection wells from industrial sites and service stations can be prime sources of contamination especially when located in close proximity to public water supply systems where large numbers of ...
متن کاملStarting flow through nozzles with temporally variable exit diameter
Starting flow through a nozzle or orifice typically results in the transient formation of a leading vortex ring and trailing jet. Experiments are conducted to investigate the dynamics of this process in the case of a temporally variable nozzle exit diameter, with the aim of understanding these flows as they occur in Nature and emerging technologies. By kinematically decoupling the source flow f...
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ژورنال
عنوان ژورنال: Proceedings of the Institution of Mechanical Engineers
سال: 1914
ISSN: 0020-3483,2058-1203
DOI: 10.1243/pime_proc_1914_087_027_02