نتایج جستجو برای: energy index

تعداد نتایج: 1043134  

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم 1393

in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

Journal: :تحقیقات مهندسی کشاورزی 0
غلامرضا روحی عضو هیئت علمی گروه مکانیک دانشگاه آزاد اسلامی واحد ایذه میر حسین پیمان استادیار گروه مکانیک ماشین های کشاورزی دانشگاه گیلان سعید مینایی دانشیار گروه مکانیک ماشین های کشاورزی دانشگاه تربیت مدرس

the rice conversion process is an agricultural transformative industry that consumes a great deal of fossil fuel and electricity. in this study, the effect of different factors on energy consumption, energy consumption index and whitening index were investigated. the experimental design was a split plot design with four whitening periods (15, 30, 45, 60s) (main plot), three rice varieties (khaz...

Journal: :iranian journal of mathematical chemistry 2011
m. r. ahmadi r. jahani-nezhad

let r be a commutative ring and (r) be its zerodivisor graph. in this article, we studywiener index and energy of γ(zn ) where n = pq or n = p2q and p, q are primes. a matlabcode for our calculations is also presented.

Journal: :وقایع علوم کاربردی ورزش 0
ali reza amani department of exercise physiology, faculty of sport sciences, shomal university, amol, iran homa esmaeili department of exercise physiology, faculty of sport sciences, shomal university, amol, iran zahra aeinparast department of exercise physiology, faculty of sport sciences, shomal university, amol, iran farideh tari department of exercise physiology, faculty of sport sciences, shomal university, amol, iran

improving anaerobic performance and anaerobic power is the critical aspect on successfully in competitions for many athletes. the purpose of current research was to investigating the effect of various pre-competitions warm-up on anaerobic performance. it has been shown that, differences pre-competitions activity may effect on anaerobic and explosive performance. effect of general warm-up, witho...

Journal: :Journal of the American Medical Association 1914

Journal: :medical journal of islamic republic of iran 0
f okhovatian from the faculty of rehabilitation, shahid beheshti university of medical sciences, tehran, iran rh baxendale the institute of biomedical and life sciences, glasgow university, glasgow, u.k. nc spurway the institute of biomedical and life sciences, glasgow university, glasgow, u.k.

in this study, 10 normal volunteers and 5 sports-trained paraplegics with lesions between t6 and l2 were studied whilst walking with axillary crutches and knee-anlde-foot orthoses. all subjects walked at their preferred speed on a figureof- eight track. normal subjects also walked at slower and faster speeds. oxygen consumption, heart rate and rating of perceived exertion were measured. in norm...

Journal: :international journal of occupational hygiene 0
majid hajibabaei department of occupational health engineering, school of health, ahvaz jundishapur university of medical science, ahvaz, iran. azadeh saki department of biostatistics and epidemiology, school of health, ahvaz jundishapur university of medical sciences, ahvaz, iran. rostam golmohammadi department of occupational health engineering, school of public health and research center for health sciences, hamadan university of medical sciences, hamadan, iran. mina cheshmehkhavar department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran. marzieh sarabi department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran. maryam isvand department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran.

well-designed lighting decreases accidents and diseases of eyes and can increase productivity and concentration. increase of energy price and a high proportion of electric lighting energy consumption in buildings due to defects in designing and maintenance led to desirable lighting to be reduced. one of our challenges in providing health and quality of lighting is lack of economic justification...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

Journal: :Environmental and Climate Technologies 2020

Gholamreza Zomorodian, Laleh Barzegar Mohammad Poortalebi, Soghra Kazemi

The present research aims to evaluate impacts of crude oil price return index, Bloomberg Petroleum Index and Bloomberg energy index on stock market returns of 121 companies listed in Tehran stock exchange in a 10 years' period from early 2006 to April 2016. First, explanatory variables were aligned with petroleum products index mostly due to application of dollar data. Subsequently, to check va...

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