نتایج جستجو برای: fraser i s and eckermann s 2010 a cost

تعداد نتایج: 20625993  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم پایه 1390

فرض کنیم rیک حلقه جابجایی و یکدار و همه مدولها یکانی باشند.مدولهای انژکتیو خالص دارای نقش اساسی در جبر جابجایی و نظریه مدولها می باشد.در میان تعمیمهایی از این مفهوم،مدولهای انژکتیو به طور خالص به طور گسترده ای مورد مطالعه قرار گرفته اند. دنباله دقیق کوتاه 0 a b c 0 از r- مدولها و r- همریختی ها به طور دوری خالص( [4 ]و [5]) نامیده می شود: اگر نگاشت تولید شده برای هر ایدهال i از r یک به یک باش...

2006
A. N. Andreyev S. Antalic D. Ackermann L. Bianco D. Cullen I. Darby S. Franchoo F. P. Heßberger S. Hofmann M. Huyse I. Kojouharov A.-P. Leppänen B. Lommel R. Mann G. Münzenberg R. D. Page J. Pakarinen J. J. Ressler S. Šaro B. Streicher B. Sulignano J. Thomson P. Van Duppen

A.N. Andreyev, S. Antalic, D. Ackermann, L. Bianco, D. Cullen, I. Darby, S. Franchoo, F. P. Heßberger, S. Hofmann, M. Huyse, B.Kindler, I. Kojouharov, A.-P. Leppänen, B. Lommel, R. Mann, G. Münzenberg, R.D. Page, J. Pakarinen, J. J. Ressler, S. Šaro, B. Streicher, B. Sulignano, J. Thomson, P. Van Duppen TRIUMF, Vancouver BC, V6T 2A3, Canada; Comenius University, Bratislava, Slovakia; GSI, Darms...

Journal: :caspian journal of enviromental sciences 0

reliable estimates of runoff are required as a part of the information sets that help watershed managers make informed decisions on water resources planning and management. this study was carried out in shafaroud watershed located in the north of iran. in order to achieve the best runoff simulation in the study area, first rainfall data of four stations during 1998 to 2011 were collected and co...

Journal: :پژوهش های تولید گیاهی 0
فریبا امینی اراک- دانشگاه اراک- دانشکده علوم پایه سردشت- گروه زیست شناسی منصوره بیان اراک- دانشگاه اراک مهری عسکری عضو هیات علمی دانشگاه اراک

abstract: salicylic acid is a phytohormone with phenolic nature which has been proved its role in increasing plant resistance to biotic and abiotic stress in several studies. this study was performed in order to investigation of interaction between 0, 0.5 and 1.5 mm concentrations of salicylic acid, as a seed pretreatment and different levels of drought stress (100, 75, 50 and 25 percent of fie...

Journal: :acta medica iranica 0
massoud a davaichi f emadi h

the leukocyte mi gration test (lht) in the prese nce of na t i v e igg, and l l e v amis ole were studi ed in 9 patients su f f e ring from cla s s i c a l r h e umatoid ar.thri t i s be f o r e a nd after treatment with l evamisole . fi f teen heal thy b l o od dono rs we r e s i mi l a r ly l nvestig ated a s cont r o ls . t- l ympho c yte s ub-popu lations (to ta l a nd active) a nd b-c el l...

Journal: :iranian journal of allergy, asthma and immunology 0
li zhang department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china keng li department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china li-bing ma department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china su-bo gong department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china gu-yi wang department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china yi liu department of respiratory medicine, the second xiangya hospital of central south university, changsha, hunan 410011, china

in traditional chinese medicine, arsenous compounds, including arsenic trioxide (ato), are often used to treat many diseases, which are safe and effective. recently, studies have indicated that th17– il-17 involved in the pathogenesis and development of asthma. the goal of this study was to investigate the effect and mechanism of ato on asthma, especially the th17– il-17 axis. we used oval bumi...

Journal: :acta medica iranica 0
reza seyed yazdani

the isoe lect r i c f ocusing p a t terns and ph activity cur ves of f i ve glycosidas e e nzymes i n blood plasma and ur i ne were s t ud i e d . this s tudy demons trated the presence o f a sing le molecular f onn in a -glucosidase and of two mole cul a r fonns of the enzymes h-a ce t yl-b-d-gluco sarni nidase, na c e t y l -•p-d-g a l a c t o s amin i ua s e and s-glucuronidase i n both plas...

Journal: :تحقیقات اقتصادی 0
علی طیب نیا دانشیار دانشکده‎ی اقتصاد دانشگاه تهران فاطمه قاسمی کارشناس ارشد اقتصاد دانشگاه تهران

this paper identifies characteristics of business cycles in iran, applying hodrick-prescott (hp) and band-pass (bp) filters. using seasonal and anual data for 1970-2003, it is found that oil income is the key driving factor of business cycles in the iranian economy. furthermore, it is indicated that iran's economy has experienced seven business cycles during this period, in which the econo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ریاضی و کامپیوتر 1391

در این پایان نامه نشان می دهیم که اگر s یک نیم گروه حذفی چپ باشد و l(s)یک جبر باناخ تقریباً میانگین پذیر باشد، آنگاه s میانگین پذیر است. همچنین ثابت می شود که اگر s یک نیم گروه برانت روی گروه g با یک مجموعه ی اندیس گذار i باشد آنگاه l(s) تقریباً میانگین پذیر است.

Journal: :iranian journal of parasitology 0
mehdi zarean department of medical parasitology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. sharif maraghi department of medical parasitology, school of medicine, institute of health research, thalassemia and hemoglobinopathy research center, ahvaz jundishapur university of medical sciences, ahvaz, iran. homa hajjaran department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran. mehdi mohebali department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran. mohammad hossein feiz-hadad department of medical parasitology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. mohammad ali assarehzadegan department of immunology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran.

background: in this study, two-dimensional gel electrophoresis (2-de) method was applied to determine and compare the protein spots expressed in the two field isolates of leishmania major and recovered from the patients who were clinically sensitive and resistant to glucantime® treatment. methods: leishmania parasites were isolated from the cutaneous lesions of two cl infected patients in shira...

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