نتایج جستجو برای: energy performance

تعداد نتایج: 1645905  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده برق و کامپیوتر 1392

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

Journal: :تحقیقات مهندسی کشاورزی 0
سیدمعین الدین رضوانی عضو هیئت علمی بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی و منابع طبیعی همدان علی محمد جعفری عضو هیئت علمی دفتر پژوهش های برنامه ریزی، اقتصاد کشاورزی و توسعه روستایی مرکز تحقیقات کشاورزی و منابع طبیعی همدان سیف الله امین استاد دانشکده کشاورزی دانشگاه شیراز

pressurized irrigation is a recent development that consumes more energy for the pressure produced. in thisstudy, energy consumption, waste and efficiency were investigated at a diesel and electrical sprinklerirrigation pumping plant in some fields in hamadan province during 2007-8. nebraska performance criteria(npc) were used to compare sprinkler irrigation pumping plant performance. the resul...

Journal: :نقش جهان - مطالعات نظری و فناوری های نوین معماری و شهرسازی 0
maria kordjamshidi the university of mazandaran, faculty of art and architecture, babolsar,pob 416, iran

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Journal: :international journal of architectural engineering and urban planning 0
elaheh najafi iran university of science and technology,, narmak, tehran mohsen faizi iran university of science and technology,, narmak, tehran ali mohammad khanmohammadi iran university of science and technology,, narmak, tehran fatemeh mehdizade saradj iran university of science and technology,, narmak, tehran

this paper classifies green envelopes as green roofs and green walls according to effective factors, which were derived from literature to compare the green envelopes’ thermal and energy performance in a more effective way. for this purpose, an extensive literature review was carried out by searching keywords in databases and studying related journal papers and articles. the research method for...

Journal: :poultry science journal 2015
arjomandi ma salarmoini m asadikaram g

in the first experiment, the chemical composition, apparent metabolizable energy (ame), ame corrected for nitrogen (amen), true metabolizable energy (tme), tme corrected for nitrogen (tmen) values of the sweet almond meal were determined in adult leghorn cockerels. the second experiment was performed to evaluate the effects of different levels of sweet almond meal at 0, 100, 200 and 300 g/kg on...

Journal: :international journal of environmental research 2010
l. xing l. shi a. hussain

as the main actor of implementing energy saving and pollution abatement, corporations and their response to the policy are studied in this paper. we find that corporate properties as scale, ownership, current environmental performance on energy using and pollution, target market and listed situation have impact on the corporate responding conduct and progress. especially, current environmental ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

the major aim of this study was to investigate the relationship between iq, eq and test format in the light of test fairness considerations. this study took this relationship into account to see if people with different eq and iq performed differently on different test formats. to this end, 90 advanced learners of english form college of ferdowsi university of mashhad were chosen. they were ask...

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: :iranian journal of applied animal science 0
s.m. akbari department of animal science, science and research branch, islamic azad university, tehran, iran a.a. sadeghi department of animal science, science and research branch, islamic azad university, tehran, iran m. amin afshar department of animal science, science and research branch, islamic azad university, tehran, iran p. shawrang nuclear agriculture research school, nuclear science and technology research institute, atomic energy organization of iran, karaj, iran m. chamani department of animal science, science and research branch, islamic azad university, tehran, iran

the present study conducted to investigate the effect of energy sources and levels on performance and breast meat amino acids profile in cobb 500 broiler chicks. a total of 600 1-day-old cobb 500 broiler chicks with an average weight of 39 ± 0.50 g were randomly divided into five treatments. each treatment was further divided into four replicates. chicks were fed a basal diet based on corn and ...

Journal: :iranian journal of applied animal science 2015
a.a. saki m.a. edris a. janjan h. mahmoudi a. hoseini siyar

three experiments were conducted to evaluate the nutritional value of bitter vetch. experiment 1 was conducted to determine the metabolisable energy content of bitter vetch. sixteen adult leghorn roosters were used. forty grams of bitter vetch were precision-fed individually to 12 roosters. in addition, 4 birds were not fed and served as a control treatment in the measurement of metabolic fecal...

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