نتایج جستجو برای: pasternak media
تعداد نتایج: 280931 فیلتر نتایج به سال:
In this work, nonlocal vibration of double of carbon nanotubes (CNTs) system conveying fluid coupled by visco-Pasternak medium is carried out based on nonlocal elasticity theory where CNTs are placed in uniform temperature change and magnetic field. Considering Euler-Bernoulli beam (EBB) model and Knudsen number, the governing equations of motion are discretized and Ritz method is applied to ob...
Expert Panel/Writing Group* Lori Mosca, MD, PhD (Chair); Lawrence J. Appel, MD; Emelia J. Benjamin, MD; Kathy Berra, MSN, ANP; Nisha Chandra-Strobos, MD; Rosalind P. Fabunmi, PhD; Deborah Grady, MD, MPH; Constance K. Haan, MD ; Sharonne N. Hayes, MD; Debra R. Judelson, MD; Nora L. Keenan, PhD; Patrick McBride, MD, MPH; Suzanne Oparil, MD; Pamela Ouyang, MD; Mehmet C. Oz, MD; Michael E. Mendelso...
جنس l. stellaria یا علف ستاره ای از تیره میخک (caryophyllaceae) شامل گیاهانی علفی، یکساله و چندساله می باشد، این جنس دارای 200-150گونه درسراسر دنیا می باشد. (bittrich, 1993). این جنس در ایران دارای 9 گونه می باشد فلورا ایرانیکا (rechinger, 1988)، در این پژوهش به بررسی گونه های: s. media, s. pallida, s. holostea, s. graminea, s. persica , از sect. stellaria ، گونه s. alsinoides از sect. pseudals...
In this study, forced-vibration analysis of a coupled system of single layered graphene sheets (SLGSs) subjected to the moving nano-particle is carried out based on nonlocal elasticity theory of orthotropic plate. Two SLGSs are coupled with elastic medium which is simulated by Pasternak and Visco-Pasternak models. Using Hamilton’s principle, governing differential equations of motion are derive...
Microtubules (MTs) are fibrous and tube-like cell substructures exist in cytoplasm of cells which play a vital role in many cellular processes. Surface effects on the vibration of bioliquid MTs surrounded by cytoplasm is investigated in this study. The emphasis is placed on the effect of the motor protein motion on the MTs. The MT is modeled as an orthotropic beam and the surrounded cytoplasm i...
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