نتایج جستجو برای: beta angle
تعداد نتایج: 316558 فیلتر نتایج به سال:
By combining the inputs from the neutrinoless double beta decay and the fits of cosmological models of dark matter with solar and atmospheric neutrino data, we obtain constraints on two of the mixing angles of Majorana neutrinos, which become stronger when coupled with the reactor neutrino data. These constraints are strong enough to rule out Majorana neutrinos if the small angle solution of so...
We have investigated the threshold current density required for depinning a domain wall from constrictions in NiFe nanowires, which give rise to pinning potentials of fixed amplitude but variable profile. We observed it to vary linearly with the angle of the triangular constriction. These results are reproduced using micromagnetic simulations including the adiabatic and nonadiabatic spin-torque...
شهرنشینی امروزه به شکل غالب و قطعی زندگی انسان ها بدل شده است. بیش از نیمی از مردم جهان در شهرها زندگی می کنند اما به دلیل نبود اخلاق شهروندی و امکانات عملی آن در بسیاری از کشورها ی جهان، که شاید بتوان گفت، بزرگترین بخش این کشورها را تشکیل می دهند، اغلب مردم جهان، به رغم امتیازات شهروندی، از آن رنج بسیار زیادی می برند و موقعیتی متناقض و در بسیاری موارد خطرناک را تجربه می کنند. در این تحقیق سعی...
background: the most important problem in regular transfusion dependent β-thalassemia major is cardiac dysfunction due to iron deposition in it. the aim of this study was to evaluate correlation between serum ferritin levels and cardiac function in β-thalassemia major in mofid hospital. materials and methods: there were 112 β-thalassemia patients with a mean age of 13.55± 6.12 years, of whom 49...
due to the limiting workspace of parallel manipulator and regarding to finding the trajectory planning of singularity free at workspace is difficult, so finding a best solution that can develop a technique to determine the singularity-free zones in the workspace of parallel manipulators is highly important. in this thesis a simple and new technique are presented to determine the maximal singula...
In this paper, different applications of stereographic projections are utilized for the structural analysis Ranikot anticline. Structural data anticline from Southern Kirthar Fold Belt Pakistan is used to construct diagrams such as beta-diagrams, pi-diagrams and contour diagrams. These visualize inter-limb angle, plunge trend fold axis, dip strike axial surface, symmetry, vergence principle str...
the distribution of gallium(b) and indium (b) between hydrochloric or sulphuric acid solution with sec-nonylphenoxy acetic acid(ca-100) in kerosene has been investigated under various conditions. ca-100 is a new organocarboxylic extractant, which has been shown to be efficient for gallium(b) and indium(b) whereas germanium(c), which was not extracted. the extraction system is studied as a funct...
we aimed to compare the therapeutic effect of avonex (av), betaferon (be) & rebif (re) on the expanded disability status scale (edss) in multiple sclerosis (ms). ninety patients referring to farshchian hospital were entered in this study. the patients were divided into three equal groups: group 1 received av, group 2 received re and group 3 received be, and after 24 months, comparison was done ...
Parameters have been studied for a high luminosity e+ecollider operating at the Upsilon 4S that would deliver a luminosity of 1 to 4 x 10/cm/s. This collider, called a Super-B Factory, would use a combination of linear collider and storage ring techniques. In this scheme an electron beam and a positron beam are stored in lowemittance damping rings similar to those designed for a Linear Collider...
background: there are few studies comparing the biomechanical properties of angled blade plate and locking compression plates in supracondylar osteotomy. in the current randomized study, we prospectively compared the clinical and radiological outcomes of supracondylar osteotomy using these two plates. methods: forty patients with valgus knee malalignment were randomly assigned to two equal numb...
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