نتایج جستجو برای: رادیونوکلوئیدهای 60co و 58co

تعداد نتایج: 761450  

2005
Reza Safabakhsh Peyman Adibi

فوس لا اذ ه يف مدقن ثحب ماظن اً ً لاما آ لع فرعتلل ى تاملآ ) ةي سرافلا ة يطخلا قيلعت سن ( ب ا مادختس ةر يغتملا تلااحلا لوطو ةرمتسملا تادهاشملا فثا كتو يفخلا فوآرام ليدوم (CDVDHMM) . يفو ة لحرم لع لوصحلاو زيو نلا ءا غلإو يرنيا ب تا يلمع د عب ة مدقملا ميد قتلا ى ءازجلأا لا مادخت سا مت ي ةلصتم ةديدج ةيمزراوخ رئاسو طاقنلاو طباهلاو دعاصلا فشكل ءازجلأا يسيئرلا ريوصتلا نم اهبطشو ةيوناثلا . مث ذيفنت متي...

Journal: :Journal of radiation research 1990
T Kimura N Takano T Iba S Fujita T Watanabe T Maruyama T Hamada

Specific activity 60Co/Co in two steel samples taken at 687m S and 1295m NNW from the hypocenter was measured by gamma-ray spectrometry and neutron activation analysis. The results were, respectively, (2.64 +/- 0.38) x 10(1) and (3.09 +/- 0.48) x 10(-1) dpm/mg Co at the time of bombing, which are consistent with previous data by Hashizume et al. for steel rings on the surface of roofs of buildi...

2003
S. M. Jaywant E. K. Osei S. Ladak

Ocular melanoma is frequently treated using brachytherapy implants (such as 125I and 60Co plaques or 184Ta wire), surgery, or external beam radiotherapy using small 60Co beams, high energy x-rays, or proton therapy. The last technique, though very expensive, provides improved dose distributions and dose localizations in the treatment of tumours adjacent to critical normal tissues. The technique...

Journal: :Journal of radiation research 1997
H R Shahmohammadi E Asgarani H Terato H Ide O Yamamoto

Lethal effects of 60Co gamma-rays, UV light, and mitomycin C on two kinds of bacteria, Halobacterium salinarium which grows in highly concentrated salt media and Thiobacillus intermedius which requires reduced sulfur compounds, were studied and compared with those on Escherichia coli B/r. D37 values for H. salinarium, T. intermedius and E. coli B/r were 393, 150, and 92 Gy, respectively, by exp...

Journal: :Clinical chemistry 1977
T L Peeters G R Vantrappen

We discuss the suitability of some radioactive isotopes as volume markers in radioimmunoassays, from a radiochemical point of view. For three eligible isotopes (22Na, 60Co, and 75Se) we studied the concentration of the marker in the precipitate formed in the separation phase of radioimmunoassays. For all those kinds of separations tested (charcoal, ammonium sulfate, polyethylene glycol, and eth...

2007
I. Bohnet D. Kummerow

The influence of radiation damage on energy resolution, linearity and uniformity of an electromagnetic lead/scintillator calorimeter was studied experimentally with 1–6GeV electrons. Plastic scintillators and wavelength shifter bars were irradiated uniformly with γ rays. Both were identical with those of the ZEUS uranium calorimeter. The attenuation length of the scintillators was determined fr...

Journal: : 2023

زۆربەى لێکۆڵينەوەکان کە لە سەر ناوچەى ئاکرێ نووسراون زیاتر لایەنەکانى سیاسى و کارگێڕى سەربازى دەگرێتەوە, کاتێکدا بوارە گرنگەکانى ديكه‌ى ژیان فەرامۆش کراون، بە تایبەتى لایەنى ئابوورى نێویشيدا بوارى کشتوکاڵ زەورى زار، پەیوەندى راستەوخۆى لەگەڵ ژیانى مروڤدا هەیە, سەرەڕاى ئەمەش لەچاو کەمتر بایەخى پێ دراوە, بۆیە پێمان باش بوو لەسەر ئەم بابەتە بنووسين. ئامانجى سەرەکیشمان ئەوەیە بەم لێکۆڵینەوە لایەنێکى...

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