نتایج جستجو برای: high energy energy derivatives

تعداد نتایج: 2655937  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1386

چکیده ندارد.

Journal: :international journal of energy and environmental engineering 2011
bharat raj singh onkar singh

globally excessive consumption of hydrocarbon fuel in transport sector is a serious threat to the civilization due to paucity of fuel in future. also this growing use of vehicles for transport is contributing about 70% of total air pollution and causing environmental and ecological imbalances. thus the worldwide fast depletion of conventional energy resources and impact of emissions on environm...

Journal: :journal of agricultural science and technology 2015
f. sharifian a. mohammad nikbakht a. arefi a. modarres motlagh

energy and mass transfer investigations in thermal processing of fruits serve as a breakthrough in the design and scale up of drying systems. diffusivity characteristics and specific energy consumption for drying of fig fruit in a laboratory scale microwave dryer were assessed. several intervals for microwave power intensity including 0.5, 1, 1.5, 2, and 2.5 w g-1, and 6 levels of power on-off ...

Journal: :journal of agricultural science and technology 2012
a. motevali a. abbaszadeh s. minaei m. h. khoshtaghaza b. ghobadian

jujube (zizyphus jujube mill), a valuable medicinal plant, is consumed either as fresh fruit or dried product in iran. drying jujube guarantees a longer shelf time while preserving its quality to be used in medical and pharmaceutical industries. in this research paper, the influence of several drying conditions on the effective moisture diffusivity, activation energy, energy consumption and req...

Journal: :iran agricultural research 2010
s. m. nassiri s. singh

in this paper, non parametric data envelopment analysis (dea) was subjected to the energy data of wheat producers in punjab state, india, and technical, pure technical and scale efficiencies were calculated for farms both category wise and zone wise. the main objective was to determine the strength of the correlation between non-parametric efficiencies and indices such as energy ratio and speci...

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...

IIn order to study the effects of increasing level of metabolizable energy and protein on feed intake, improve nutrient digestibility, performance and blood metabolites of Zell pregnant ewes at late gestation, 32 pregnant ewe (mean body weight 42.1 kg, 2.5 years-old, multiparous, 100 days of pregnancy) were used in completely randomized design with 4 treatments and 8 replicates. Treatments were...

Journal: :international journal of smart electrical engineering 2013
samaneh pazouki mahmoud-reza haghifam javad olamaei

the biggest challenges faced in big cities are greenhouse gas emission and growing energy needs. efficient utilization of existing infrastructures has a prominent role in response to the challenges. energy hub approach embraces performance of different energy networks. energy hub is defined as a super node in electrical system receiving distinctive energy carriers such as gas and electricity in...

Journal: :Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 2013

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید