نتایج جستجو برای: effective electron

تعداد نتایج: 976318  

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و 1387

we show that when both sources ( lepton flavor violation sources and cp-violating phases) are present, the electric dipole moment of the electron, $d_e$, receives a contribution from the phase of the trilinear $a$-term of staus, $phi_{a_ au}$. for $phi_{a_ au}=pi/2$, the value of $d_e$, depending on the ratios of the lfv mass elements, can range between zero and three orders of magnitude a...

Journal: :jentashapir journal of health research 0
mohammad javad tahmasebi birgani department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of clinical oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mansour zabihzadeh department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of clinical oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir lran; department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-9125032283 sholeh arvandi department of clinical oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran elahe gharibreza department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

conclusions using the maximum dose depth from pdd curves and the inverse square law, the required ssdeff to calculate the dose distribution of the electron beam can be calculated. objectives the aim of this study was to determine the effective source-surface distance (ssdeff) of an electron linear accelerator (linac), and its dependence on energy and depth. materials and methods a varian linac ...

Journal: :Advanced Robotics 2001
Shaoping Bai H. K. Low

Motion planning of walking machines normally contains two aspects: gait planning and body trajectory planning. When generating an optimal body trajectory on natural terrain, the leg movement must be taken into account. Due to the large searching space resulting from the combination of leg movement and terrain conditions, it is quite time consuming to produce an optimal result of body trajectory...

Akbar Aliasgharzadeh, Fateme Fallahi Fatemeh Seif, Fatholah Mohaghegh Mohamad Reza Bayatiani,

Introduction: In electron beam treatment, because of the non-point electron beam source, inverse-square law cannot be applied for dosimetry in different treatment intervals. Therefore, providing source-surface distance (SSD) charts in all clinics is of paramount importance. This study aimed to determine the effective SSD for various electron beam energies and field sizes and to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید