نتایج جستجو برای: depth profile
تعداد نتایج: 376078 فیلتر نتایج به سال:
In this study, the MAGIC- f polymer gel was used to determine the absorbed dose by external radiation therapy. The MAGIC- f gel was made under normal pressure and temperature conditions and irradiated with a Siemens 6MV linear accelerator at 10 × 10 cm2 and at a depth of 10 cm. While simulating the head of the accelerator unit by the Monte Carlo method with BEAMnrc code, the percentage depth do...
Porous silicon (PS) samples are obtained by electrochemical anodization of Si wafers in HF+DMF solution. The hydrogen complex components are formed on the inner surface walls of porous silicon. In this work the depth profile of porous silicon is estimated by measurement of hydrogen content in the depth of the sample. Since the well-known ion beam analysis simulation programs are inappropriate f...
Abstract We survey results concerning the problem of identifying depth profiles at coastal zone, which evolve in time due to natural as well anthropic activities. This issue is relevant control modifications environment occurring near sea coastlines, but also river's estuaries and harbors. One main goals predict evolution profile long-term (i.e., over years or decades, say), do this on basis re...
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