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نمایش تعداد 1-10 از 98

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    SELECTIVE OXIDATION OF BENZYLIC AND ALLYLIC ALCOHOLS USING STRONTIUM MANGANATE IN THE PRESENCE OF LEWIS ACIDS IN SOLUTION AND UNDER SOLVENT-FREE CONDITIONS 

    نوع: Conference Paper
    نویسنده : مصطفی قلی زاده; I.Mohammadpoor-Baltork; B.Kharamesh; Mostafa Gholizadeh
    سال: 2003
    خلاصه:

    Highly selective oxidation of benzylic and allylic alcohols was accomplished by strontium manganate (SrMn04) in the presence of Lewis acids in solution and under solvent-free conditions. Further oxidation of aldehydes to their carboxylic acids...

    Selective Oxidative Cleavage of Benzylic and Allylic Oximes to Their Carbonyl Compounds with Strontium Manganate in the Presence of Aluminium Chloride in Solution and under Solvent-Free Conditions 

    نوع: Journal Paper
    نویسنده : مصطفی قلی زاده; I. Mohammadpoor-Baltork; Mostafa Gholizadeh
    سال: 2005
    خلاصه:

    Selective Oxidative Cleavage of Benzylic and Allylic Oximes to Their Carbonyl

    Compounds with Strontium Manganate in the Presence of Aluminium Chloride

    in Solution and under Solvent-Free Conditions...

    Issues and Challenges in Content-Based Media Retargeting 

    نوع: Conference Paper
    نویسنده : Fule, R.Y. , Theng, D.P.
    ناشر: IEEE
    سال: 2014

    Role of Double Oxide Film Defects in the Formation of Gas Porosity in Commercial Purity and Sr containing Al Alloys 

    نوع: Journal Paper
    ناشر: Allerton Press Inc
    سال: 2014

    Preparation of novel nano-catalyst Sr/S-ZrO2 by solvent Free method and investigating the catalytic activity in esterification reaction 

    نوع: Conference Paper
    نویسنده : حامد نایب زاده; بهگام رحمانی وحید; ناصر ثقه الاسلامی; عبدالمجید مسکوکی; hamed nayebzadeh; behgam rahmanivahid; Nasser Saghatoleslami; ABDOLMAJID MASKOOKI
    سال: 2012
    خلاصه:

    Preparation of suitable catalysts was concerned in production of biodiesel from oils with high FFA as west cooking oil. In this study, the effect of loading strontium oxide over sulfated zirconia in catalytic activity was investigated...

    SYNTHESIS, PHYSICAL ANDMAGNETIC PROPERTIES OF AL SUBSTITITED NANOCRYSTALLINE STRONTIUM HEXAFERRITE PREPARED BY SOL-GEL AUTO-COMBUSTIONMETHOD 

    نوع: Conference Paper
    نویسنده : هادی عربی; A. Youssefi; E. Khorashadizade; Hadi Arabi
    سال: 2010
    خلاصه:

    In this work Aluminum doped strontium hexaferrite nanoparticles (SrFe12-xAlxO19, x=0, 2, 4, 8) was synthesized via the

    sol-gel auto-combustion method. The substitution of Al at Fe sites is an effective method to vary physical and magnetic...

    خواص ساختاری و مغناطیسی نانو ذرات هگزافریت استرانسیم جانشانشی شده با کرم 

    نوع: Conference Paper
    نویسنده : هادی عربی; آمنه شعبانی (دانشجو); علیرضا محمدی نژاد; Hadi Arabi
    سال: 2013
    خلاصه:

    Chromium doped strontium hexaferrite nanoparticles was synthesized by the chemical sol–gel route, The crystalline structure, size and magnetic property of the particles were investigated by means of X-ray diffraction, transmission electron...

    Doping Effect on Crystal Structure and Magnetic Properties of Highly Al-substituted Strontium Hexaferrite Nanoparticles 

    نوع: Journal Paper
    نویسنده : Elham Khorashadizade-Student; هادی عربی; Abbas Yousefi; Hadi Arabi
    سال: 2012
    خلاصه:

    M-type strontium hexaferrites with substitution of Fe3+ by Al3+, according to the formula

    SrAlxFe12-xO19 (x=0, 1, 2, 3, 4, 6, 8, 10), are prepared by the sol-gel auto-combustion method.

    Influences of the substituted amount of Al3...

    Effect of calcination temperature on catalytic activity of synthesis SrO/S-ZrO2 by solvent-free method in esterification of oleic acid 

    نوع: Journal Paper
    نویسنده : حامد نایب زاده; ناصر ثقه الاسلامی; A. Maskooki; بهگام رحمانی وحید; hamed nayebzadeh; Nasser Saghatoleslami
    سال: 2013
    خلاصه:

    of the catalysts. The results of this study reveal that the calcined strontium oxide promoted sulfated zirconia at 500 oC has the highest percentage of tetragonal phases of zirconia. It has also been demonstrated that owing to the high percentage of the tetragonal...

    Effect of adsorbents and chemical treatments on the removal of strontium from aqueous solutions 

    نوع: Journal Paper
    نویسنده : علی احمدپور; M. Zabihi; معصومه طهماسبی; طاهره روحانی بسطامی; Ali Ahmadpour; ; Tahereh Rohani Bastami; علی احمدپور; M. Zabihi; معصومه طهماسبی; طاهره روحانی بسطامی; Ali Ahmadpour; Tahereh Rohani Bastami
    سال: 2010
    خلاصه:

    In the present investigation, three different solid wastes namely almond green hull, eggplant hull, and moss were initially treated and used as adsorbents for the adsorption of strontium ion from aqueous solutions. Adsorbent types and chemical...

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