نتایج جستجو برای: d۲f l a c

تعداد نتایج: 13815915  

ژورنال: :تحقیقات گیاهان دارویی و معطر ایران 2007
زهرا آبروش فاطمه سفیدکن محمدحسن عصاره

برگهای جوان پنج گونه از اکالیپتوسهای کاشته شده در ایران به نامهای علمی eucalyptus stricklandii maiden، e. brockwayii ، e. sargentii maiden، e. lagiflorens f. muell و e. kruseana f. muell در فصل بهار از شهرستان شوشتر در استان خوزستان جمع آوری گردید. پس از خشک کردن در سایه، با استفاده از روش تقطیر با آب، اسانس آن در مدت زمان 90 دقیقه استخراج و بوسیله دستگاههای کروماتوگرافی گازی و کروماتوگرافی متص...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه 1390

در این تحقیق ? کنفورماسیون های دی پپتیدhco–l-ser-l-ala–nh2و hco–d-ser-d-ala–nh2که در پروتئین های متعددی وجود دارد ? در فاز گازی مورد بررسی قرار گرفته است. محاسبات با استفاده از برنامه گوسین 3 و با بهره گیری از سطح تئوری g*31-6b3lyp/انجام شده است. بدین صورت که ابتدا ساختارهای بهینه و انرژی برای کنفورماسیون های حاصل از چرخش زاویه (c) به فواصل30 درجه از صفر درجه تا 360 درجه محاسبه شدند که سه مین...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1385

کمپلکس هایی از tppco-l که در آن tpp دی آنیون تترافنیل پورفیرین و l مونوآنیون های 4- نیترو فنیل سیاناماید (4-no2pcyd) و 4- فلورو فنیل سیاناماید(4-fpcyd) و 4- کلرو فنیل سیاناماید(4-clpcyd) و 4- برومو فنیل سیاناماید(4-brpcyd) و کبالت با اعداد اکسایش ii و iii می باشد.کمپلکس های فوق از واکنش tppcobr و tppco با نمک تالیم فنیل سیانامایدهای مربوطه تهیه گردید.سنتز همه کمپلکس ها به وسیله طیف بینی uv-vis...

Journal: :desert 2015
iman babaeian raheleh modirian maryam karimian mahdi zarghami

parameters such as future precipitation, temperature, snowfall, and runoff were modeled using precis regionalclimate modeling system in iran with the horizontal resolutions of 0.44×0.44°c in latitude and longitude under sresa2 and b2 scenarios. the dataset was based on hadam3p during the periods of 1961-1990 and 2071-2100. theoverall precipitation error of the model in the period of 1961-1990 w...

Journal: :iranian journal of catalysis 2013
ardeshir khazaei mohammad ali zolfigol toktam faal rastegar gholamabbas chehardoli shadpour mallakpour

melamine trisulfonic acid (mtsa) as an efficient heterogeneous catalyst has been used for the one-pot preparation of triazolo[1,2-a]indazole-1,3,8-trione and 2h-indazolo[2,1-b]phthalazine-1,6,11-trione derivatives by the three-component condensation reaction of urazoles or phthalhydrazide, dimedone or 1,3-cyclohexanedione, and aldehydes under solvent-free conditions in good to excellent yields ...

Journal: :journal of medical education 0
a haghdoost

background and purpose:the tasks of faculty members and their weights particularly in integrated system of iran are not well defined. methods:to address this issue, in a comprehensive project, we explored all rules, regulations and officialdocuments in national level, collected the opinion of experts around the country using in-depthinterview and defined the weights of main tasks in a group dis...

Journal: :iranian journal of pharmaceutical research 0
seyed nasser ostad department of toxicology and pharmacology, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran hamid reza rahimi department of toxicology and pharmacology, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran mohammad hossein ghahremani department of toxicology and pharmacology, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran ahmad reza dehpour department of pharmacology, faculty of medicine, tehran university of medical sciences, tehran, iran mohammad sharifzadeh department of toxicology and pharmacology, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran shahram ejtemaei-mehr department of pharmacology, faculty of medicine, tehran university of medical sciences, tehran, iran

lithium (li), a glycogen synthase kinase-3β (gsk-3β) inhibitor, has used to attenuate thecannabinoid-induced dependence/withdrawal signs, but molecular mechanisms related to this areunclear. recent studies indicate the involvement of upstream extracellular signal kinase1/2 (erk1/2)and downstream gsk-3β pathways in the development of cannabinoid-induced dependence. thisis mediated through cannab...

Journal: :iranian journal of allergy, asthma and immunology 0
abbas mirshafiey department of immunology, school of public health, tehran university of medical sciences, tehran, iran mahsa kianiaslani department of immunology, school of public health, tehran university of medical sciences, tehran, iran

multiple sclerosis (ms) is an autoimmune disease characterized by recurrent episodes of demyelination and axonal lesion mediated by cd4+ t cells with a proinflammatory t helper (th)1 and th17 phenotypes, macrophages, and soluble inflammatory mediators. the overactive  pro-inflammatory  th1  cells  and  clonal  expansion  of  b  cells  initiate  an inflammatory cascade with several cellular and ...

Journal: :iranian journal of public health 0
f. golbabai ; a. tirgari ;m. mahmoudi

in order to compare sampling efficiencies of total and inhalable dust methods, three airborne dust sampling systems , 7-hole sampler , close and open face filter cassette were compared side-by-side , as stationary and for the personal samplers , in a wood working industry to evaluate their relative efficiency. a total of 162 samples were collected. the study of particle size distribution by cas...

Journal: :genetics in the 3rd millennium 0
maryam razzaghy azar mitra nourbakhsh

to review the diffrent aspects of gender, subtype of cah, management and results in all our patients with ambiguous genitalia diagnosed as congenital adrenal hyperplasia during the past 30 years. methods: the files of all our patients with cah reviewed retrospectively. results: out of 256 patients who had ambiguous genitalia due to cah, 96% were female and 4% were male. 21-ohd was diagnosed in ...

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