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نمایش تعداد 1-10 از 165

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    Temperature Dependent Luminescence Characteristic of SrSi2O2N2:Eu2+ Phosphor and Its Thermal Quenching Behavior 

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

    Formation mechanism and red light emission photoluminescence of single phase crystalline eu2o2co3 nanoplates compared with y2o3:eu phosphor 

    نوع: Journal Paper
    ناشر: American Scientific Publishers
    سال: 2014

    Photoluminescence properties of Na(Sr, Ca)VO4 :Eu3+ phosphors 

    نوع: Journal Paper
    ناشر: American Scientific Publishers
    سال: 2014

    Effects of Different Levels of Nitrogen and Phosphorous Fertilizers on Yield Quantity and Quality of Matricaria recutita 

    نوع: Conference Paper
    نویسنده : علیرضا دادخواه; مجید امینی دهقی; قربانعلی رسام; ALI REZA DADKHAH; Ghorban Ali Rassam
    سال: 2011
    خلاصه:

    In order to investigate the effects of different levels of nitrogen and phosphorous fertilizers on qualitative yield and some quality components of German chamomile, a factorial experiment based on a randomized complete block design with four...

    A new phosphoric triamide structure: (CF3C(O)NH)P(O)(NHC6H4-4-CH3)2 

    نوع: Conference Paper
    نویسنده : فاطمه کریمی احمداباد; مهرداد پورایوبی; Fatemeh Karimi Ahamadabad; Mehrdad Pourayoubi; Pablo J. Bereciartua; Michal Dusek
    سال: 2018
    خلاصه:

    The synthesis, spectroscopic characterization (1H-, 13C-, 31P-, 19F-NMR, IR and mass) and single crystal X-ray diffraction analysis of (CF3C(O)NH)P(O)(NHC6H4-4-CH3)2 were investigated. The compound was crystallized in the ...

    Synthesis and spectroscopic characterization of two pairs of phosphoric triamide enantiomers 

    نوع: Conference Paper
    نویسنده : مهرداد پورایوبی; Mehrdad Pourayoubi
    سال: 2019
    خلاصه:

    Many chiral phosphorus compounds have been synthesized and used in different scientific domains such as medicine [1] and enantioselective catalysts [2], however few number of chiral phosphoric triamides were investigated [3]. In this study, two...

    Synthesis and photoluminescence of novel NaLi2Po4 :Tb3+ nanophosphors for near ultraviolet excited light emitting diodes 

    نوع: Journal Paper
    ناشر: American Scientific Publishers
    سال: 2014

    Synthesis and photoluminescence of novel Ca1 x MgP2 O7 :xEu3+ pyrophosphate phosphor for near ultraviolet light emitting diodes 

    نوع: Journal Paper
    ناشر: American Scientific Publishers
    سال: 2014

    Synthesis and Crystal structure of a New N-(2,6-dichlorobenzoyl)-N\\',N\\',N\\",N\\"-tetra(ethyl)-Phosphoric triamide 

    نوع: Conference Paper
    نویسنده : مریم طغرائی; مهرداد پورایوبی; maryam toghraee; Mehrdad Pourayoubi
    سال: 2012
    خلاصه:

    Synthesis and Crystal structure of a New N-(2,6-dichlorobenzoyl)-N\\',N\\',N\\",N\\"-tetra(ethyl)-Phosphoric triamide

    Maryam Toghraee*, Mehrdad Pourayoubi

    Department of Chemistry, Ferdowsi University of Mashhad, Mashhad, 91779, Iran...

    The effect of the surface coating of a strontium mono-aluminate europium dysprosium-based (SrAl2O4:Eu2+,Dy3+) phosphor by polyethylene (PE), polystyrene (PS) and their dual system on the photoluminescence properties of the pigment 

    نوع: Journal Paper
    نویسنده : معصومه طیبی; سعید استاد موحد; علی احمدپور; masumeh tayyebi; Saeed Ostad Movahed; Ali Ahmadpour
    سال: 2019
    خلاصه:

    The SrAl2O4: Eu2+, Dy3+ as a known strontium mono-aluminate europium dysprosium based phosphor widely used in paints and coating formulation as a photoluminescence pigment. It has two major drawbacks, un-proper dispersion in organic based paints...

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