نتایج جستجو برای: dy 166ho 166
تعداد نتایج: 14429 فیلتر نتایج به سال:
Background: Skin cancer can be treated by various methods. Electron radiotherapy has been a useful therapeutic modality in the treatment of skin cancers in areas which are difficult to cure by other methods. Depth dose distribution of 166Ho using VARSKIN2 code is presented in this work. Material and Methods: Depth dose distribution of 166Ho was calculated, using VARSKIN2 code by adding...
Developing new hosts is one of the significant and intriguing aspects in the field of luminescence materials. Herein, we report a novel LiInTi2O6 host for phosphors in solid state lighting. The sub-solidus phase relationships, thermal stability, crystal structure, as well as compositionand temperature-dependent luminescence were investigated and discussed by means of various analytical techniqu...
introduction: using beta emitter radionuclide is a useful therapeutic modality in the treatment of skin cancers in areas which are difficult to cure by other methods. the aim of this research is to evaluate the tissue response to beta rays of 166ho and determine the feasibility of beta emitting radionuclide for treatment of skin cancers. methods: in this work, we have calculated depth dose dist...
دو فسفرcaso4:dy وcaso4:tm به دلیل حساسیت بالا، روش تهیه آسان و مقاومت شیمیایی خوب خود کاربرد وسیعی در دزیمتری تابش پیدا کردند. سپس محققان اثر ناخالصی های دیگر مانند pb،mn،ag و ...را بر روی پاسخ کریستال caso4:dy بررسی کرده اند. در پایان نامه مرجع [25] کریستال های caso4:dy,mn و caso4:tm,mn ساخته شده و خواص ترمولومینسانس و دزیمتری آن ها بررسی شده است. این پژوهش در ادامه کار مرجع [25] است. و به بر...
با توجه به نمودارهای طرح واپاشی تجربی و با ترسیم نمودار گشتاور لختی برحسب مربع فرکانس چرخشی در اسپین های بالا، پدیده ی پس خمیدگی را در ایزوتوپ های فرد دیسپرسیوم بررسی کردیم که فقط در ایزوتوپ های (_66^143)dy و (_66^155)dy پدیده ی پس خمیدگی مشاهده شد. پارامتر تغییر شکل چهارقطبی و گشتاور چهار قطبی برای ایزوتوپ های (_66^143)dyو(_66^145)dyو(_66^147)dyو(_66^151)dy (_66^163)dy و (_66^161)dy و (_66...
Felix del Campo Matías1, Tomas Ruiz Albi2 and Carlos Zamarrón Sanz3 1Division of Respiratory Medicine, Hospital Universitario Rio Hortega, Departament of Medicine, Universidad de Valladolid,Valladolid 2Division of Respiratory Medicine, Hospital Universitario Rio Hortega, Valladolid, 3Division of Respiratory Medicine Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostel...
Anhydrous (99.99%) TbCl3 was obtained from Aldrich (Milwaukee, WI, USA) and used without further purifications. It was handled in an argon-filled dry box with a water content < 2 ppm and an oxygen content < 1 ppm. A 166Ho radiation source (2.27 MBq) was used because of its desirable decay characteristics (t1/2 = 1200y, up to 8 photons per disintegration, more than 10% branching ratio). A multi-...
this work was aimed to evaluate and compare the performances of the solvents d2ehpa (di-(2-ethylhexyl) phosphoric acid), cyanex 272 (bis (2,4,4-trimethylpentyl) phosphinic acid), and a mixture system of d2ehpa and cyanex272 in the separation of some rare earth elements (rees) including lanthanum, gadolinium, neodymium, and dyspersym from a nitric acid solution. the results obtained showed that ...
Introduction: The dosimetric characteristics of patch sources including 32P, 90Y, 188Re and 166Ho, which are employed for radionuclide skin therapy, have been evaluated in current study Materials and Methods: The patch sources understudy were modeled by MCNPX Monte Carlo code and corresponding depth dose distribution, transverse dose profile and isodose curves...
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