نتایج جستجو برای: geometry

تعداد نتایج: 144594  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم ریاضی 1388

چکیده ندارد.

Journal: :international journal of advanced design and manufacturing technology 0
mahmoud moradi department of mechanical engineering, faculty of engineering, malayer university, malayer, iran alireza mohazab pak ali khorram department of mechanical engineering, k.n.toosi university of technology,p.o. box 19395-1999, tehran, iran

this study is focused on investigating the parameters of laser percussion drilling process of nickel-base super alloy inconel 718 with thickness of 1 mm. fiber laser with the power of 500 watts was used as the laser source. laser pulse frequency, duty cycle, laser power, focal point position, were assumed as the laser drilling process variables. the hole geometry features, i.e. entrance hole di...

Journal: :journal of railway research 0
javad sadeghi iran university of science and technology

one of the most important challenges in the development of urban railways network is the effects of railway vibrations on human and adjacent structures. although various investigations into the sources of railway vibrations have been conducted, very few research works have been reported on the influences of track geometry parameters on the level of vibrations. this is addressed in this research...

ژورنال: کیمیای هنر 2020

A In this article the role of geometry and its interaction with imagination in creating the unique architectural will be explained. From long time ago philosophers and prominents have referred to important role that imagination and geometry have in the creation of universe. All over the universe, the emergence of geometry at beginning of creation is undeniable. Geometry with its manifestation a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده علوم ریاضی و مهندسی کامپیوتر 1388

چکیده ندارد.

پایان نامه :دانشگاه تربیت معلم - تبریز - دانشکده علوم پایه 1384

چکیده ندارد.

Journal: :iranian journal of pharmaceutical research 0
r chokshi n noorani

hot-melt extrusion is one of the most widely applied processing technologies in the plastic, rubber and food industry. today this technology has found its place in the array of pharmaceutical manufacturing operations. melt extrusion process are currently applied in the pharmaceutical field for the manufacture of a variety of dosage forms and formulations such as granules, pellets, tablets, supp...

Journal: :پژوهش های معماری اسلامی 0
omid rahaei

iranian islamic gardens like almost every cultures, represent beauty and happiness and improve the public perception. it has also special geometry with philosophical concept related to islam’s doctrine that is the focus of this research. following quran’s contents, paradise is a beautiful sophisticated garden that something flows under its trees. so the comparison between the somatic geometry o...

Iranian traditional homes are unique architecture samples with an Iranian essence. These homes are a suitable subject for research in Iranian architecture. These homes can provide answers to some question that we have these days, like using geometry in architectural design of this home.  Iranian traditional architects have been interested in geometry and been using in almost all parts of homes....

Journal: :Journal of Number Theory 2016

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