نتایج جستجو برای: internal radiation

تعداد نتایج: 464914  

Journal: :Physical review letters 2008
Xinhua Xie Armin Scrinzi Marlene Wickenhauser Andrius Baltuska Ingo Barth Markus Kitzler

We numerically demonstrate so-far undescribed features in ionization and high harmonic generation from bound states with nonvanishing electronic angular momentum. The states' modified response to a strong laser pulse can be exploited for novel measurement and pulse production schemes. It is shown that angularly asymmetric tunneling from the states can be mapped onto variations of high harmonic ...

D. Shahbazi-Gahrouei, S. Nikzad,

Background: Radioiodine therapy has proven to be an effective method in the treatment of patients with differentiated thyroid carcinoma after thyroidectomy. The scope of this study is to describe a method to obtain the dose of organs using medical internal radiation dosimetry (MIRD) method. At the end, the results of MIRD calculations were compared with thermoluminescent dosimeter (TLD...

2012
B. R. Sutherland

It is shown by way of nonlinear numerical simulations of flow restricted to two dimensions that a compact wavepacket of large-amplitude internal gravity waves incident upon a weakly stratified region in which the buoyancy frequency is less than the frequency of the wavepacket may partially transmit energy into this region through the generation of a wavepacket of lower frequency. In part, the t...

2013
P. A. Martin Stefan G. Llewellyn

Three-dimensional time-harmonic internal gravity waves are generated by oscillating a bounded object (or by scattering from a fixed object) in a stratified fluid. Energy is found in conical wave beams: the problem is to calculate the wave fields for an object of arbitrary shape. An integral formula for the pressure is derived, using a reciprocal theorem and a Green’s function. The boundary inte...

2014
Zhao Wang Corey F. Hryc Benjamin Bammes Pavel V. Afonine Joanita Jakana Dong-Hua Chen Xiangan Liu Matthew L. Baker Cheng Kao Steven J. Ludtke Michael F. Schmid Paul D. Adams Wah Chiu

Advances in electron cryo-microscopy have enabled structure determination of macromolecules at near-atomic resolution. However, structure determination, even using de novo methods, remains susceptible to model bias and overfitting. Here we describe a complete workflow for data acquisition, image processing, all-atom modelling and validation of brome mosaic virus, an RNA virus. Data were collect...

ژورنال: طب جنوب 2022
Bolkheir , Amir Reza, Larijani , Bagher, Moradinasab , Maryam, Ostovar , Afshin,

Background: The increasing prevalence of thyroid cancer among the survivors of atomic bomb attacks in Japan, nuclear fallout in the Marshall Islands, and Chernobyl nuclear power plant accident indicate a strong relationship between nuclear radiation and the occurrence of thyroid cancer. Materials and Methods: Systematic researches were conducted in the medical database of the American National ...

Journal: :مجله دانشگاه علوم پزشکی مازندران 0
محمدتقی صمدی mohamad taghi samadi بهمن گلزار خجسته bahman golzarkhojasteh نیما رستم پور nima rostampour

abstract background and purpose: people are always exposed to ionizing radiation, which could badly influence their health. the degree of these influences depends on the level of radiations. in this study the dose of indoor gamma radiation was assessed using rds-110 multi-purpose survey meter. materials and methods: to determine the dose rate of indoor radiations in cities of hamedan province f...

2012
Sakae Kinase Akram Mohammadi Masa Takahashi

There has been a considerable accumulation of usage of voxel models for internal radiation dosimetry (Xu & Eckerman, 2009 ; Zaidi & Tsui, 2009). The human voxel models of the Reference Male and Reference Female have been introduced and used to evaluate the energy deposition in organs resulting from internal radiation exposures by the International Commission on Radiological Protection (ICRP) (I...

2015
Luis Enrique Muñoz Christian Berens Kirsten Lauber Udo S. Gaipl Martin Herrmann

1 Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany 2 Institute of Molecular Pathogenesis, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Jena, Germany 3 Department of Radiation Oncology, Ludwig-Maximilians-University Munich, Munich, Germany 4 Department of Radiation Oncology, Univer...

2012
Won Huh Jae Seung Bang Chang Wan Oh O-Ki Kwon Gyojun Hwang

We report herein a case of a radiation-induced aneurysm. A 69-year-old woman presented with subarachnoid hemorrhage. Eight years previously, she had undergone cranial radiation therapy (total dose of 59.4 Gy) as adjuvant therapy after surgical resection for a chondrosarcoma that was destroying her sphenoid sinus. The patient underwent catheter angiography, which revealed an aneurysm of the ante...

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