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نمایش تعداد 1-10 از 6867

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    NUMERICAL SIMULATION OF FULLY NON-LINEAR IRREGULAR WAVE BY FLAP TYPE WAVE MAKER 

    نوع: Conference Paper
    نویسنده : مهران سعادتی نسب; محمد پسندیده فرد; morteza anbarsooz; mehran saadati; Mohammad Passandideh-Fard
    سال: 2016
    خلاصه:

    Sea waves are usually irregular and of random nature. Therefore, no two waves are of the same wave height and period and move at different speeds. Investigating the effect of sea waves on offshore structures as well as absorbing energy from sea...

    Wave Attenuation Factor in Ultrasonic Assisted Gravity Drainage Mechanism 

    نوع: Conference Paper
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    Wave Attenuation Factor in Ultrasonic Assisted Gravity Drainage Mechanism 

    نوع: Conference Paper
    نویسنده : Keshavarzi, Behnam; Shojaei, MohammadJavad; Ghazanfari, Mohammad Hossein; Ghotbi, Cyrus
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    Modeling of uniaxial compressive strength using P and S waves in dry and saturated sandstone: a case study on sandstones in Kashafrud and Shurijeh Formation in Kopet Dagh basin 

    نوع: Conference Paper
    نویسنده : مرجان شاهین فر; غلامرضا لشکری پور; جابر کاظم پور; marjan shahinfar; Gholam Reza Lashkaripour; Jaber Kazempoor
    سال: 2019
    خلاصه:

    Considering the importance of uniaxial compressive strength determination, especially in engineering projects and oil industry, the use of a suitable and cost-effective method for estimating is looked necessary. In this ...

    Reversible Surface Two-Electron Transfer Reactions in Square Wave Voltcoulommetry: Application to the Study of the Reduction of Polyoxometalate [PMo12O40]3− Immobilized at a Boron Doped Diamond Electrode 

    نوع: Journal Paper
    نویسنده : Joaquin Gonzalez; Angela Molina; Manuela Lopez-Tenes; فرشته کریمیان عظیمی صراف; Fereshteh Karimian Azimi Saraf
    سال: 2013
    خلاصه:

    Reversible surface two-electrons transfer reactions (stepwise processes) are analyzed using square wave voltcoulommetry (SWVC), which is a variety of square wave techniques based on the measurement of the transferred charge. Such reversible surface...

    On Type IIA String Theory on the PP-wave Background 

    نوع: Journal Paper
    نویسنده : احمد قدسی محمود زاده; Ahmad Ghodsi Mahmoudzadeh
    سال: 2003
    خلاصه:

    We study type IIA superstring theory on a PP-wave background with 24 supercharges. This model can exactly be solved and then quantized. The open string in this PP-wave background is also studied. We observe that the theory has supersymmetric Dp...

    Nonlinear-dynamics theory of up-down transitions in neocortical neural networks 

    نوع: Journal Paper
    نویسنده : مریم قربانی; Mayank Mehta; Robijn Bruinsma; Alex Levine; Maryam Ghorbani
    سال: 2012
    خلاصه:

    The neurons of the neocortex show ∼1-Hz synchronized transitions between an active up state and a quiescent down state. The up-down state transitions are highly coherent over large sections of the cortex, yet they are ...

    EMIC waves growth and guiding in the presence of cold plasma density irregularities 

    نوع: Journal Paper
    ناشر: Wiley
    سال: 2013

    Mesospheric hydroxyl airglow signatures of acoustic and gravity waves generated by transient tropospheric forcing 

    نوع: Journal Paper
    ناشر: Wiley
    سال: 2013

    Non linear ultrasonic response of plastically deformed aluminium alloy AA 7009 

    نوع: Journal Paper
    نویسنده : Zhang, J.F. - Xuan, F. - Xiang, Y.X. - Yang, F.Q.
    ناشر: Institute of Materials, Minerals and Mining
    سال: 2013
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