نتایج جستجو برای: distribution intensity
تعداد نتایج: 774270 فیلتر نتایج به سال:
We try to improve the accuracy of eccentric photorefraction by taking more information into account than just the size and tilt of the crescent. Based on Gaussian optics and the assumption of an isotropic scattering retina, a theoretical analysis of the light-intensity distribution in the pupils of astigmatic eyes is presented. The method is applied to different photorefractor setups (point lig...
اندازه گیری شدت صدا (sound intensity) برای تشخیص منابع نویز در یک مجموعه متراکم از قطعات در حال کار و مرتبط با یکدیگر در خودرو کابردهای فراوانی دارد. خوشبختانه بر اساس تلاشهای محققان [ j.y.chunf] and [f. j. fahy] سیستمی طراحی شده که میتوان بدون استفاده از اتاقک آکوستیک شدت صوت را با دقت خوبی در محیط های آزاد اندازه گیری کرد.
A mixed order model is proposed for describing thermoluminescence (TL) glow peaks with continuous and uniform distribution of trapping states. It is shown that the presented function reduces to the simple known models at the limiting cases. The function for TL intensity has been introduced in terms of intensity and temperature of the peak maximum. These parameters can easily be estimated from t...
Background and purpose: High cancer related mortality can be due to the presence of cancer stem cells (CSCs). Studies suggest aldehyde dehydrogenase (ALDH1) as a marker of CSCs. The aim of this study was to investigate its expression in colorectal cancer and also its association with clinicopathologic characteristics. Materials and methods: In a retrospective study, patients with colorectal ca...
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