نتایج جستجو برای: maximum dispersion angle
تعداد نتایج: 474197 فیلتر نتایج به سال:
تشخیص لنگش های بند سوم که از مهترین علت های لنگش در اسب می باشد نیاز به فهم یافته های نرمال رادیوگرافی بند سوم دارد. از آنجایی که تاکنون اطلاعات دقیقی در مورد اندازه ها و زوایای بند سوم در اسب عرب خون داخلی به دست نیامده و مقایسه ای با نژادهای دیگر اسب ها صورت نگرفته است. در این تحقیق سعی شده است که خصوصیات بیومتریک بند سوم دست اسب عرب اصیل توسط رادیولوژی مورد بررسی قرار گیرد. در این تحقیق 10 ...
Angle-resolved reflection inelastic electron scattering has been used to measure the dispersion of the surface plasmon for thick films of Na and K. The measured dispersion is negative at small momentum parallel to the surface as predicted by quantum-mechanical calculations of the dynamic response of the electrons at the surface of an interacting electron gas. A simple physical picture is presen...
Polarized emission observed by Planck HFI at 353 GHz towards a sample of nearby fields is presented, focusing on the statistics of polarization fractions p and angles ψ. The polarization fractions and column densities in these nearby fields are representative of the range of values obtained over the whole sky. We find that: (i) the largest polarization fractions are reached in the most diffuse ...
Silicon (Si) is suggested to be an important/essential nutrient for bone and connective tissue health. Silicon-substituted hydroxyapatite (Si-HA) has silicate ions incorporated into its lattice structure and was developed to improve attachment to bone and increase new bone formation. Here we investigated the direct adsorption of silicate species onto an HA coated surface as a cost effective met...
Model composites of DNA-wrapped single-wall carbon nanotubes in poly(acrylic acid) are used to evaluate metrics of nanotube dispersion. By varying the pH of the precursor solutions, we introduce a controlled deviation from ideal behavior. On the basis of small-angle neutron scattering, changes in near-infrared fluorescence intensity are strongly correlated with dispersion, while optical absorpt...
the cracked brazilian disc (cbd) specimen is widely used in order to determine mode-i/ii and mixed-mode fracture toughness of a rock medium. in this study, the stress intensity factor (sif) on the crack-tip in this specimen is calculated for various geometrical crack conditions using the extended-finite element method (x-fem). this method is based upon the finite element method (fem). in this m...
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