نتایج جستجو برای: single cross
تعداد نتایج: 1325416 فیلتر نتایج به سال:
The body of experimental measurements intermediate-energy reactions that remove a single nucleon from secondary beam neutron- or proton-rich nuclei continues to grow. These data have been analyzed consistently using an approximate, eikonal-model treatment the reaction dynamics combined with appropriate shell-model descriptions projectile initial state, bound final states spectrum residue, and s...
The capture efficiency of the small aerosol particle is strongly influenced by the structure of fibrous layers. This study presents particle deposition and dendrite formation on different arrangements of binary fibers. 2-D numerical simulation is performed using the open source software of OpenFOAM. In the instantaneous filtration of a single fiber, obtained results are in good agreement with th...
The impact parameter formalism of the single-center close-coupling, first-, and second-order Born approximations have been applied to investigate direct excitations of Helium He+(2s) and Lithium Li++(2s) ions by colliding with protons or antiprotons. The total 3s, 3p, and 3d scaled excitation cross sections are calculated in the scaled impact energy region (2 to 1000 keV). The present work aims...
The existence of a new massive charged gauge boson, known as W’, is proposed by many new physics scenarios. When W’ decays to tb, the final state is very similar to the final state of the s-channel single top production, where W boson is the off-shell mediator to produce the top and bottom quarks. If W’ exists, it can affect the cross section of the SM s-channel single top production, so measur...
interspecific hybridization occurs among cucurbia species it is commonly used for grafting, yield increasing and production of pest resistant rootstocks. in the present research probability of interspecies hybrid generation among seven lines of cucurbita pepo (p1, p4, p5, p6, p10, p22, p25) and six lines of cucurbita moschata (mo3, mo5, mo6, mo9, mo11, mo12) were investigated. after crossing of...
در این تحقیق، چالش های موجود در طراحی اسیلاتورهای یکپارچه، علت استفاده از روش های هوشمند، شماری از روش های هوشمند بکارگرفته تاکنون و راهکارهای هوشمند در طراحی و بهینه سازی اسیلاتورهای یکپارچه ارائه شده است. در ادامه یک ابزار طراحی به کمک رایانه (cad tool) با بکارگیری الگوریتم جستجوی هارمونی (hs) در محیط متلب (matlab) با استفاده از تحلیل تعادل هارمونیک (harmonic balance) در شبیه سازی اچ اسپایس آ...
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