نتایج جستجو برای: metabolizabe energy

تعداد نتایج: 666269  

Journal: :journal of health sciences and surveillance system 0
asma kazemi school of nutrition and food sciences, shiraz university of medical sciences, shiraz, iran zahra hassanzadeh rostami school of nutrition and food sciences, shiraz university of medical sciences, shiraz, iran masoumeh akhlaghi school of nutrition and food sciences, shiraz university of medical sciences, shiraz, iran and research center for health sciences, shiraz university of medical sciences, shiraz, iran

background: the association between snacking patterns, sleep hours, and physical activity with growth status and appetite of preschool children was investigated. methods: sixty three children aged 3-7 years with low appetite and weight for age ratio below the 25th percentile were enrolled from those referring to nader kazemi polyclinic in shiraz. information regarding the parents’ education, sl...

Journal: :international journal of environmental research 0
t.l. graham department of geography and environmental science program, university of north texas 1155 :union: circle #305279, denton, tx 76203-5279, usa p.f. hudak department of geography and environmental science program, university of north texas 1155 :union: circle #305279, denton, tx 76203-5279, usa

the purpose of this study was to estimate relative potential hazards to birds and bats from wind developments in texas. we compiled lists of rare, threatened, or endangered species, along with their respective ranges in texas. using a geographic information system (gis), we calculated a potential hazard index (phi) for 31 bird and ten bat species based upon the percentage of known or observed s...

Journal: :علوم 0

in this research work, alpha particle detector is made using semi-insulating gaas. a surface barrier detector with a semi-insulating gaas substrate at room temperature with pressure of 10-4 torr under -particle radiation with 5.48 mev of am241 source, have been under investigation. energy resolution of 2 and 3 mm schottky diameter have been matured and compared with the effect of voltage varia...

Journal: :مدیریت اطلاعات سلامت 0

introduction: the relative costs of generating energy vary considerably depending on location. since hospital managers confront serious financial problems, they need to look for ways to use energy more efficiently. this study aimed to study the rate of energy use (water, gas and electricity) in a number of hospitals in isfahan from 1378 to 1382 and to compare the results with the available stan...

Journal: :مهندسی صنایع 0
منصوره زارع زاده university of tehran سیدفرید قادری university of tehran رضا توکلی مقدم university of tehran

nowadays energy has significant role in socio economic development of counties; any decision on energy sector may affect the broad area in societies. system approach in energy modeling as an efficient method is known by many researchers in management and planning in a country particularly in energy sector. also system dynamics is one of the efficient methods, for reason unique ability at solvin...

Journal: :physical chemistry research 0
fahimeh shojaie department of photonic, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman,iran.

the effect of impurities on quantum chemical parameters of single-walled nanotubes (swnts) was studied using density functional theory (dft). the density of states (dos), fermi energy and thermodynamic energies of (5,5) carbon nanotubes were calculated in the presence of nitrogen impurity. it was found that this nanotube remains metallic after being doped with one nitrogen atom. the partial den...

Journal: :journal of artificial intelligence in electrical engineering 0
mohsen rasinezam department of electrical engineering, ardabil branch, islamic azad university, ardabil, iran hossein shayegi department of electrical engineering, ardabil branch, islamic azad university, ardabil, iran.

nature has always proven that it is able to overcome its problems. however, humanmanipulation has led to environmental degradations. the dryness of a thousand-year urmia lake(a brine water lake in iran) is an example of environmental degradation that happened due tosuccessive droughts and construction of dams on the basin of this lake. this study examinesmethods for the revival of urmia lake by...

Journal: :journal of medical signals and sensors 0
hamid-reza sadoughi shahrokh nasseri mahdi momennezhad hamid-reza sadeghi mohammad hossein bahreyni

radiotherapy dose calculations can be evaluated by monte carlo (mc) simulations with acceptable accuracy for dose prediction in complicated treatment plans. in this work, standard, livermore and penelope electromagnetic (em) physics packages of geant4 application for tomographic emission (gate) 6.1 were compared versus monte carlo n-particle extended (mcnpx) 2.6 in simulation of 6 mv photon lin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده حقوق و علوم سیاسی 1389

دستیابی به منابع باثبات انرژی از دیرباز به عنوان دغدغه ی اصلی کشورها مطرح بوده است. اتحادیه اروپا عمده ترین مصرف کننده و وارکننده انرژی در جهان شناخته می شود. درمیان مناطق دارای ذخایر انرژی نیز روسیه به عنوان نخستین کشور دارنده ذخایر گاز و بزرگترین صادر کننده انرژی شریکی راهبردی برای اتحادیه اروپا محسوب می شود که در سال های اخیر تلاش کرده تا از انرژی به عنوان ابزاری جهت دستیابی به اهداف سیاسی و...

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