نتایج جستجو برای: radiation counter

تعداد نتایج: 277763  

2011
Joel S. Greenberger David Clump Valerian Kagan Hülya Bayir John S. Lazo Peter Wipf Song Li Xiang Gao Michael W. Epperly

Mitochondrial targeted radiation damage protectors (delivered prior to irradiation) and mitigators (delivered after irradiation, but before the appearance of symptoms associated with radiation syndrome) have been a recent focus in drug discovery for (1) normal tissue radiation protection during fractionated radiotherapy, and (2) radiation terrorism counter measures. Several categories of such m...

2016
Xilin Zhou S. X. Hu

Recent developments in high-power laser technology allowing for laser intensities from 10 22 W/cm 2 up to 10 24 W/cm 2 have opened up the study of the super-intense laser acceleration of electrons to tens of GeV energies. These intensities may be attainable in the next generation of super-powerful lasers such as EP-OPAL, a proposed extension of the Laboratory for Laser Energetics OMEGA EP Laser...

2017
Michio Murakami Masaharu Tsubokura Kyoko Ono Shuhei Nomura Tomoyoshi Oikawa

The 2011 Fukushima disaster led to increases in multiple risks (e.g., lifestyle diseases and radiation exposure) and fear among the public. Here, we assessed the additional risks of cancer caused by radiation and diabetes related to the disaster and the cost-effectiveness of countermeasures against these conditions. Our study included residents of the cities of Minamisoma and Soma (10-40 km and...

ژورنال: مواد پرانرژی 2016

The threat of helicopters, military and civilian aircrafts by IR-guided missiles (heat seeking missiles) has always been a major one.One of the most effective methods to overcome this threat is an attempt to decoy the missile by the flares that are released by the aircraft (the target of the missile). .Certain compositions have the capability to form a pyrotechnic flare formulation that radiate...

Journal: :Physical review 2021

Interaction of an electron with the counter-propagating electromagnetic wave is studied theoretically and particle-in-cell simulations in regime quantum radiation reaction. We find energy center laser pulse, as it a key factor for testing non-linear electrodynamics vacuum properties laser-electron collision multi-photon Compton scattering Cherenkov radiation. With multiparametric analysis we pr...

1998
Michael G. Rossmann

“point” and “area” (originally film) detectors. The first X-ray diffraction experiment by Friedrich and Knipping [1] used film, but within the same year Bragg was using an ionization chamber mounted on a rotating arm [2]. The advantage of Bragg's X-ray detector was that it defined precisely the angle of the diffracted rays and, in general, gave more accurate intensity measurements. The advantag...

2017
Guang Zhu Haifeng Xu Hongyan Wang Wenqi Wang Quanxin Zhang Li Zhang Hengchao Sun

In this work, novel MoS2/nitrogen-doped carbon shell–core microspheres (MNCS) have been designed and prepared through the microwave-assisted method, and used as counter electrodes for platinum-free dyesensitized solar cells (DSSCs). The results show that as-prepared shell–core composite microspheres possess low charge transfer resistance and high electrocatalytic activity. When used as a counte...

1996
V. E. Zuev T. B. Zhuravleva

It is recognized now that the plane-parallel model unsatisfactorily describes the transfer of radiation through broken clouds and that, consequently, the radiation codes of general circulation models (GCMs) must be refined. However, before any refinement in a GCM code is made, it is necessary to investigate the dependence of radiative characteristics on the effects caused by the random geometry...

Journal: :iranian journal of radiation research 0
m.b. tavakoli department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran g.h fallah mohammadi department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran z. fallah mohammadi department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran z. shaneh department of medical physics and medical engineering, school of medicine, isfahan university of medical sciences, isfahan, iran

background: high level radiation areas have been recognized on various parts of the earth. mahallat hot spring region is one of these areas. study of exposure in these areas can be helpful in investigating the effects of ionizing radiation. internal and external exposure to the staff was studied. materials and methods: used materials and instruments include: rss-112 ionizing chamber for environ...

G.H Fallah Mohammadi, M.B. Tavakoli, Z. Fallah Mohammadi, Z. Shaneh,

Background: High level radiation areas have been recognized on various parts of the earth. Mahallat hot spring region is one of these areas. Study of exposure in these areas can be helpful in investigating the effects of ionizing radiation. Internal and external exposure to the staff was studied. Materials and Methods: Used materials and instruments include: RSS-112 ionizing chamber fo...

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