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نمایش تعداد 1-10 از 440

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    Preparation and Characterization of Fluorohydroxyapatite Nanopowders Nonalkoxide Sol-gel Method 

    نوع: Journal Paper
    نویسنده : مجید درودی; حسین اشتیاق حسینی; محمدرضا حسین دخت; A. Youssefi; Majid Darroudi; Hossein Eshtiagh Hosseini; Mohammad Reza Housaindokht
    سال: 2010
    خلاصه:

    - precursor and fluorine reagent, respectively. The FHA powders were calcined at temperatures ranging from 500 to 800ºC. The resultant products have been confirmed to be FHA (apatite phase) using X-ray diffraction (XRD) and Fourier transform infrared...

    Green Synthesis of ZnO Nanoparticles in a Room-Temperature Ionic Liquid 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide 

    نوع: Journal Paper
    نویسنده : الهه کفشدارگوهرشادی; Yulong Ding; Paul Nancarrow; Elaheh Kafshdare Goharshadi
    سال: 2008
    خلاصه:

    solvent. Fundamental characterizations including

    x-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) were conducted for the ZnO nanostructures.

    To explore the growth mechanism...

    Role of fuel/oxidizer ratio on the synthesis conditions of Cu–Al2O3 nanocomposite prepared through solution combustion synthesis 

    نوع: Journal Paper
    نویسنده : هادی نصیری; احسان بهرامی مطلق; جلیل وحدتی خاکی; سیدمجتبی زبرجد; Hadi Nasiri; Ehsan Bahrami Motlagh; Jalil Vahdati Khaki; Seyed Mojtaba Zebarjad
    سال: 2012
    خلاصه:

    as oxidizer and fuel, respectively. The fuel/oxidizer (F/O) ratios were selected from the range of 0.9–1.75. The products were analyzed using X-ray diffraction, SEM and TEM techniques. During the process the temperature was recorded as a function of time...

    Achieving Reliable Transmission Using Topology Control in MANET 

    نوع: Conference Paper
    نویسنده : Baviskar, V. , Patankar, A.
    ناشر: IEEE
    سال: 2014

    A hybrid PAPR reduction scheme for OFDM using SLM with clipping at the transmitter, and sparse reconstruction at the receiver 

    نوع: Conference Paper
    نویسنده : Gay, M. , Lampe, A. , Breiling, M.
    ناشر: IEEE
    سال: 2014

    Study and Simulation of Shot peening Effect on Fatigue Life of a Powder Forged Connecting rod 

    نوع: Journal Paper
    نویسنده : الهام هنرورقیصری; ابوالفضل باباخانی; علی حائریان اردکانی; elham honarvar; Abolfazl Babakhani; Ali Haerian Ardekani
    سال: 2014
    خلاصه:

    Shot peening is one of the most frequent methods to improve fatigue strength and life in some important industrial parts such as connecting rods. Shot peening applies a residual compressive stress field (RCSF) on the surface ...

    Synthesis of mullite–MoSi2 nano-composite through a mechanochemical processing 

    نوع: Journal Paper
    نویسنده : وحیده قانونی احمدآبادی; سیدهادی محمدی ازغندی; جلیل وحدتی خاکی; محسن حدادسبزوار; Vahide Ghanooni Ahmadabadi; Seyed Hadi Mohamadi Azghandi; Jalil Vahdati Khaki; Mohsen Haddad Sabzevar
    سال: 2014
    خلاصه:

    -propagating reaction (MSR) in 23–30 min. The evolutions of phases and their microstructure were investigated using X-ray diffraction (XRD) and scanning electron microscopy (SEM) with an energy dispersive X-ray spectrometer (EDX). By means of transmission electron...

    A mechanistic study on the production of nanosized Mo in microwave assisted combustive reduction of MoO3 by Zn 

    نوع: Journal Paper
    نویسنده : Arman Hoseinpur; Mohammad Sh. Bafghi; جلیل وحدتی خاکی; Maisam Jalaly; Masoud Sakaki; Jalil Vahdati Khaki
    سال: 2015
    خلاصه:

    moment, the unwanted Zn2Mo3O8 compound reduced successfully to Mo. In the other approach, the use of overstoichiometric amounts of Zn led to prevent the formation of the undesired phase. In this research, X-ray diffraction technique (XRD), scanning...

    solvomagnetic crystallization of Co2+ and Mn2+ choloride under magnetic field and analization of field effect 

    نوع: Journal Paper
    نویسنده : هادی عربشاهی; M. Hakimi; غلامرضا ابراهیمی; R.Rezaee; Hadi Arabshahi
    سال: 2010
    خلاصه:

    for further complete analysis. In this research some new

    transition metals salts crystals have been produced by using solvomagneticthis method and their crystal

    structures have been determined using X-ray diffraction pattern and melting point has...

    Mechanochemical synthesis of CaMoO4 nanoparticles: kinetics and characterization 

    نوع: Journal Paper
    نویسنده : آرمان حسین پور کرمانی; ملیحه محمدی بزنج; جلیل وحدتی خاکی; Arman Hoseinpur Kermani; Malihe Mohammadi Bezanaj; Jalil Vahdati Khaki
    سال: 2016
    خلاصه:

    This research introduces the mechanosynthesis process for CaMoO4 nanoparticles by using MoO3 and CaO as initial reactants. An empirical model was developed to describe the kinetics of the reaction. X-ray diffraction was used at each step...

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