نتایج جستجو برای: energy performance

تعداد نتایج: 1645905  

Journal: :iranian journal of parasitology 0
adekayode olarinwaju sonibare department of veterinary medicine and surgery, college of veterinary medicine, federal university of agriculture, abeokuta, abeokuta, ogun state, nigeria olusiji sunday sowande department of animal production and health, college of animal science and livestock production, federal university of agriculture, abeokuta, abeokuta, ogun state, nigeria shamusideen oladeinde iposu department of animal production and health, college of animal science and livestock production, federal university of agriculture, abeokuta, abeokuta, ogun state, nigeria joshua luka department of veterinary microbiology and parasitology, faculty of veterinary medicine, university of maiduguri, maiduguri, borno state, nigeria michael ayankosoi department of animal production and health, college of animal science and livestock production, federal university of agriculture, abeokuta, abeokuta, ogun state, nigeria adeniyi olugbega egbetade department of veterinary medicine and surgery, college of veterinary medicine, federal university of agriculture, abeokuta, abeokuta, ogun state, nigeria

background: the performance and parasitology of semi-intensively managed west african dwarf (wad) lambs were evaluated following exposure to gastrointestinal helminth infected paddock and varied protein-energy feeds. methods: twenty four lambs obtained from the department of animal breeding and genetics and brought to directorate of university farm (dufarm) of federal university of agriculture ...

Journal: :Refrigeration Engineering and Technology 2021

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1393

در این تحقیق اثر الکترونگاتیوی برای استخلاف های f, cl, no2 , cf3 برروی آروماتیسیته مولکول بنزن مورد مطالعه قرار گرفته است. nics, ase, homa, homo-lumo energy gapsشاخص هایی هستند که برای نمایش تاثیر استخلاف ها به کار برده می¬شوند.علاوه بر این الکترون های انتقالی توسط پیوند سیگما وپای نیز برای همه مولکول های استخلاف شده مورد نظر محاسبه شده¬اند.نتایج بدست آمده برای این روش ها با یکدیگر متفاوت است.ب...

Journal: :مهندسی بیوسیستم ایران 0
میلاد هدایت دانشجوی کارشناسی ارشد بخش مهندسی مکانیک بیوسیستم، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان حمید مرتضی پور استادیار بخش مهندسی مکانیک بیوسیستم، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان حسین مقصودی استادیار بخش مهندسی مکانیک بیوسیستم، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان محسن شمسی دانشیار بخش مهندسی مکانیک بیوسیستم، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان

drying of agricultural products is a sophisticated process with high energy consumption. energy needed for sustainable development, is one of the biggest challenges facing humanity. the performance of a heat recovery assisted solar dryer was evaluated in this study. drying time, collector efficiency, energy consumption, solar fraction and energy recovery fraction were investigated at different ...

Journal: :مهندسی مکانیک و ارتعاشات 0
امین نیکوبین استادیار، دانشکده مهندسی مکانیک، دانشگاه سمنان احمد شاهی دانشجوی کارشناسی ارشد، دانشکده مهندسی مکانیک، دانشگاه سمنان

optimal balancing is a new approach based on optimal control a which modes, controls and the amount of equilibrium scale are calculated simultaneously. this approach has a significant effect on increasing performance of industrial robots which causes maximum decreasing of energy consumption. despite many applications of robotics such as welding and gluing, the path is predefined , but other unk...

Journal: :amirkabir international journal of modeling, identification, simulation & control 2014
m.h. ranjbar jaferi s.m.a. mohammadi m. mohammadian

based on the problems caused by today conventional vehicles, much attention has been put on the fuel cell vehicles researches. however, using a fuel cell system is not adequate alone in transportation applications, because the load power profile includes transient that is not compatible with the fuel cell dynamic. to resolve this problem, hybridization of the fuel cell and energy storage device...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد 1387

چکیده ندارد.

Journal: :مهندسی بیوسیستم ایران 0
امید قادرپور دانشگاه تهران شاهین رفیعی دانشگاه تهران

this study aimed to analyze and modeling of energy and performance of dryland chickpea adaptive neuro-fuzzy inference system utilizes (anfis) in dryland chickpea production is done in the city of bukan. data were collected from 70 producers of chickpeas using face to face interviews with farmers and completing the questionnaire specialized. size of land was between 2 and 10 hectares. input fact...

Nowadays, the high rates of energy consumption of buildings in contemporary societies, as well as in global problematics such as climate change, depletion of natural resources and environmental pollution, is widely recognized. In this context, energy efficiency of buildings has become a crucial aspect of national and international energy policies. Nevertheless, the design of high performance bu...

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