منابع مشابه
Experimental Studies on Pond Ash Brick
Many research studies were carried out for effective utilization of fly ash and pond ash in building industry as it possess suitable pozzolanic properties .They are produced in large quantities during the combustion of coal for energy production and recognized as an environmental pollution. Fly ash and Pond ash utilization in building materials have many advantages like cost effectiveness, envi...
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
15 صفحه اولon the effects of pictorial clues on the efl learners listening comprehension development
the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...
15 صفحه اولBrick Generation
A brick is a 3-connected graph such that the graph obtained from it by deleting any two distinct vertices has a perfect matching. The importance of bricks stems from the fact that they are building blocks of the matching decomposition procedure of Kotzig, and Lovász and Plummer. We prove that every brick except for the Petersen graph can be reduced to K4 or the prism by repeatedly applying a ce...
متن کاملOn-Line versus Brick and Mortar Bookstores
In this research, the authors assess the applicability of the SERVCON model to the e-commerce (e-service) environment in the context of student textbook purchases. Following a literature review, a survey was developed based on previous scales; items were modified to fit the e-commerce environment. The survey was administered to college students in business courses, and 281 usable responses were...
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ژورنال
عنوان ژورنال: Journal of the Ceramic Association, Japan
سال: 1954
ISSN: 0009-0255,1884-2127
DOI: 10.2109/jcersj1950.62.699_549