منابع مشابه
A Quadrangular Prism of Self Invisibility
A quadrangular prism of self-invisibility is originally reported in this paper. It is a self-invisible unit, which does not depend on any outer refractive materials or reflective mirrors. Four identical triangular prisms with the lateral faces of mirrors, divided into two groups, are symmetrically placed on two transparent rectangular prisms in a symmetrical way. Two identical rectangular prism...
متن کاملQuadrangular Prism of Self-invisibility (ii)
A kind of novel pillar (used to support a windshield) has been designed to replace the conventional ones used in all sorts of vehicles. The prominent advantage of such a pillar is that it appears invisible so that the blind spots caused by A, B, C and D pillars will be diminished to a large extent or even eliminated completely. Therefore, the driver’s view is enlarged considerably. An intrinsic...
متن کاملFurther Research on the Quadrangular Prism of Self-invisibility (i)
A quadrangular prism of self-invisibility has been further researched for its applications to vehicles. Its structure has been calculated and demonstrated strictly and quantitatively, according to the laws of reflection of light and geometric principles. Furthermore, the invisible effect with respect to the position of an observed point was investigated when the observed point shifted from the ...
متن کاملError estimation of a quadratic finite volume method on right quadrangular prism grids
In this paper, we develop a finite volume element method with affine quadratic bases on right quadrangular prismmeshes for three-dimensional elliptic boundary value problems. The optimal H1-norm error estimate of second order accuracy is proved under certain assumptions about themeshes. Numerical results are presented to illustrate the theoretical analysis. © 2008 Elsevier B.V. All rights reser...
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همطالعه حاضر به ارائه مدلی برای آموزش موثر زبان انگلیسی می پردازد. مدل حاضر از سه عامل تاثیر گذار در کارایی تدریس معلمان زبان انگلیسی بهره می برد. این سه عامل شامل سبکهای اسنادی، خود تنطیمی و فرسودگی شغلی معلمان ایرانی زبان انگلیسی می باشد. رساله مورد نظر درچهار فاز طراحی شده است: فاز اول شامل طراحی و رواسازی پرسشنامه سبکهای اسنادی معلمان زبان انگلیسی و فاز دوم شامل استفاده از این پرسشنا...
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ژورنال
عنوان ژورنال: International Journal of Instrumentation and Control Systems
سال: 2017
ISSN: 2319-412X,2249-1147
DOI: 10.5121/ijics.2017.7302