نتایج جستجو برای: the mechanical properties of modulus of elasticity

تعداد نتایج: 22827043  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده تولیدات گیاهی و دامی 1391

میزان نشو و نما و قدرت باروری شبپره ی مدیترانه ای آرد 2) جوانه ی ) ،(fb) ( رژیم غذ ایی تهیه شده از ( 1) آرد گندم + سبوس گندم ( 75 درصد و 25 درصد 3) جوانه ی گندم + ) ،(myg) ( گندم + مخمر نان + گلیسرول به نسبت ( 10 به 1 به 2 وزن به وزن 4) سبوس گندم + مخمر نان + گلی سرول ( 20 به 1 به 2 ) ،(my) ( مخمر نان ( 10 به 1 وزن به وزن و ( 5) سبوس گندم + مخمر نان + گلیسرول + آب ( 100 به 5 به 10 به 5 وزن ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

Journal: :journal of modern processes in manufacturing and production 0
javad jafari fesharaki department of mechanical engineering, najafabad branch, islamic azad university, najafabad, iran seyed ghasem madani department of mechanical engineering, faculty of engineering, university of kashan, kashan, iran sa’id golabi department of mechanical engineering, faculty of engineering, university of kashan, kashan, iran

this research develops thermo-elastic analysis of a functionally graded cylinder under thermo-mechanical loadings. heat conduction equation in cylindrical coordinate system is solved. thermal conductivity coefficient is graded along the radial direction. by considering a symmetric distribution of temperature, loading and boundary conditions, strain-displacement and stress-strain relations can b...

Journal: :جنگل و فرآورده های چوب 0
رباب غفاری کارشناس ارشد صنایع چوب و کاغذ، دانشکده منابع طبیعی، دانشگاه تهران،کرج، ایران کاظم دوست حسینی استاد گروه علوم و صنایع چوب و کاغذ، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران علی عبدالخانی استادیار گروه علوم و صنایع چوب و کاغذ، دانشکدة ‏منابع طبیعی، دانشگاه تهران، کرج، ایران سید احمد میرشکرایی استاد دانشکده علوم، دانشگاه پیام نور تهران، تهران، ایران محمد مهدی فائزی پور استاد گروه علوم و صنایع چوب و کاغذ، دانشکده منابع طبیعی، دانشگاه تهران، کرج، ایران

partial replacement of formaldehyde with furfural in the urea-formaldehyde resin on the formaldehydeemission, physical and mechanical properties of particleboard was investigated. the modulus ofrupture (mor), modulus of elasticity (moe), internal bond (ib), water absorption (wa), thicknessswelling (ts) and formaldehyde emission (fe) of poplar particleboards made with the modifiedresins were mea...

H Tavakoli-Anbaran M Shariati, R Rezaei

Besides experimental methods, numerical simulations bring benefits and great opportunities to characterize and predict mechanical behaviors of materials especially at nanoscale. In this study, a nano-single crystal aluminum (Al) as a typical face centered cubic (FCC) metal was modeled based on molecular dynamics (MD) method and by applying tensile and compressive strain loadings its mechanical ...

پایان نامه :0 1374

chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...

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Background and Aim: graphene is a two-dimensional nanostructure consist of a single layer of SP2 carbon atoms that arranged by covalent bonds in a hexagonal bee web. The reinforcement by GO is due to functional groups that lead to strong interaction, dispersion and stress distribution. Due to lower mechanical properties and strength of PEMA than PMMA, we evaluate effect of GO on mechanical prop...

Javad Jafari Fesharaki, Sa’id Golabi Seyed Ghasem Madani

This research develops thermo-elastic analysis of a functionally graded cylinder under thermo-mechanical loadings. Heat conduction equation in cylindrical coordinate system is solved. Thermal conductivity coefficient is graded along the radial direction. By considering a symmetric distribution of temperature, loading and boundary conditions, strain-displacement and stress-strain relations can b...

Javad Jafari Fesharaki, Sa’id Golabi Seyed Ghasem Madani

This research develops thermo-elastic analysis of a functionally graded cylinder under thermo-mechanical loadings. Heat conduction equation in cylindrical coordinate system is solved. Thermal conductivity coefficient is graded along the radial direction. By considering a symmetric distribution of temperature, loading and boundary conditions, strain-displacement and stress-strain relations can b...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...

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