نتایج جستجو برای: s e m

تعداد نتایج: 1984444  

Journal: :مهندسی بیوسیستم ایران 0
سجاد نصرالهی دانشجوی کارشناسی ارشد رضا علیمردانی استاد، دانشکده مهندسی و فناوری کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد شریفی استادیار، دانشکده مهندسی و فناوری کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد رضا تقی زاده یزدی استادیار، دانشکده مدیریت دانشگاه تهران

in this study two intelligent systems, based on adaptive neuro-fuzzy inference systems (anfis) and artificial neural networks (anns) of forecasting municipal solid wastes (msw) generation has been proposed. anfis and anns as an intelligent tool compared with together was used to monthly prediction of msw generated in tehran. monthly amount of solid wastes (sw), total monthly precipitation, mont...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

in this work, we report synthesis and characterization of bi2o3 nanoparticles loaded on mesoporous mcm-41 nanoparticles by a simple solid-state dispersion (ssd) method. monoclinic bismuth oxide nanoparticles were prepared by polyacrylamide gel method and used as loading materials on the prepared mesoporous mcm-41 as a supporting material. fourier transform infrared spectroscopy (ft-ir), x-ray p...

Journal: :تحقیقات دامپزشکی 0
خسرو حسینی پژوه پژوهشکده بیوتکنولوژی، سازمان پژوهش های علمی وصنعتی ایران، تهران–ایران پرویز تاجیک گروه علوم درمانگاهی، دانشکده دامپزشکی دانشگاه تهران، تهران–ایران مرتضی کریمی پور گروه پزشکی مولکولی، موسسه پاستور تهران، تهران–ایران مهدی بهدانی گروه پزشکی مولکولی، موسسه پاستور تهران، تهران–ایران سید مجتبی داودی دانش آموخته، دانشکده دامپزشکی دانشگاه تهران، تهران–ایران

background: as we all know, sperm has the capacity to take up foreign dna, therefore, sperm mediated gen transfer can be an inexpensive and simple method in animal transgenesis in various species. however, there is not sufficient evidence of dna uptake by ovine spermatozoa. objectives: the purpose of the present study was to examine the uptake of human lysozyme gene contained plasmid (pegfp-ire...

Journal: :jundishapur journal of microbiology 0
sanaz pakbaten toupkanlou department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran shahin najar peerayeh department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran, tel.: +98-2182884555, fax: +98-2182884555 rahim pirhajati mahabadi department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran

conclusions the current study highlights that the high level of resistance to many antibacterial agents and a gradual increase in the degree of per, oxa-10, shv and tem esbls among the majority of imipenem resistant p. aeruginosa isolated from patients with burn infection is an enormous threat in burn centers in iran. results the results showed that the majority of isolates (88%) were multi-dru...

Journal: :journal of research in health sciences 0
naser dehghan alireza choobineh mohsen razeghi jafar hasanzadeh moslem irandoost

background: this study aimed to design a new mouse and evaluate some of its functional parameters. the prototype of an ergonomic mouse was made according to design principles. methods: the study was conducted from 2011 to 2013 in the department of ergonomics in shiraz university of medical science. functional parameters including movement time (mt) and error rate of the new mouse were evaluated...

Journal: :journal of current ophthalmology 0
محمدرضا اکبری mohammad reza akbari مرجان اکبری کامرانی marjan akbari-kamrani علیرضا کشتکار جعفری alireza keshtkar jafari آرمان محسنی arman mohseni احمد عامری ahmad ameri

purpose : to evaluate the effect of tenotomy on visual function and eye movement records in patients with infantile nystagmus syndrome (ins) without abnormal head posture (ahp) and strabismus methods : a prospective interventional case-series of patients with ins with no ahp or strabismus. patients underwent 4-horizontal muscle tenotomy. best corrected visual acuity (bcva) and eye movement reco...

Journal: :محیط شناسی 0
سعید گیتی پور دانشیار مهندسی محیط زیست دانشکدۀ محیط زیست دانشگاه تهران عماد صنعتی فروش دانشجوی کارشناسی ارشد مهندسی محیط زیست دانشگاه تهران، نگار کرامتی کارشناس ارشد مهندسی محیط زیست دانشگاه تهران پیمان یعقوب زاده کارشناس ارشد مهندسی محیط زیست دانشگاه تهران مسعود رضایی دانشجوی کارشناسی ارشد مهندسی محیط زیست دانشگاه تهران

introduction growing use of hydrocarbon constituents in various industries have generated significant quantities of hazardous wastes which lead to environmental pollution. in recent years, the strong global demands for fossil fuels and industrial chemicals have resulted in the release of some of these compounds into soil, water and air.hydrocarbon-contaminated soils are among the important envi...

Journal: :علوم باغبانی ایران 0
بنفشه دهدشتی زاده حسین آرویی مجید عزیزی غلامحسین داوری نژاد

an investigation was conducted on the effects of vermicompost as an organic matter and a substitute for fertilizers during year 2007 in ferdowsi university of mashhad (fum). vermicompost was applied at five levels (0, 10, 25, 50, 100%) and phosphorus at two levels with 3 replications for each treatment, as a factorial based on completely randomized design for super strain b tomato cultivar. the...

Journal: :پژوهش های قرآن و حدیث 0
فتح الله نجارزادگان پردیس قم دانشگاه تهران، استاد

there is a disagreement among scholars over the meaning of abraham’s leadership mentioned in the quran, 2, 124. in this connection, allamatabatabaee presents an innovative opinion and interprets leadership as guidance by the command (al-hidaya bi’l amr) since imam is qualified by guidance by the command as if the qualification is to describe the meaning of leadership (imamat). in allama’s opini...

Journal: :bulletin of the iranian mathematical society 2013
j. jamalzadeh gh. rezaei

in this paper we find sufficient conditions on primitive inverse topological semigroup s under which: the inversion inv : (h(s)) (h(s)) is continuous; we show that every topologically periodic countable compact primitive inverse topological semigroups with closed h-classes is topologically isomorphic to an orthogonal sum p i2= bi (gi) of topological brandt extensions bi (gi) of countably compac...

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