نتایج جستجو برای: 131 cs source
تعداد نتایج: 464425 فیلتر نتایج به سال:
Dondurularak satışa sunulan hamsi balığı örneklerinde mikrobiyolojik kriter, radyonüklid aktivite ve bazı kalıcı organik kirleticilerin miktarları tespit edilerek Türk Gıda Kodeksi (TGK) Avrupa Birliği Konsey tarafından belirlenen yönetmeliklere göre uygunluğu araştırılmıştır. Tespit edilen değerler TGK yönetmeliğinde belirtilen kriterlere uygun bulunmuştur. Radyonüklid konsantrasyonu Cs-131, C...
To evaluate the environmental contamination and contributory external exposure after the accident at the Fukushima Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in soil samples from each area were analysed by gamma spectrometry. Six artificial radionuclides ((131)I, (134)Cs, (137)Cs, (129m)Te, (95)Nb and (136)Cs) were detected in soil samples around FNPP. Calculated...
The source energy effect on the quality of counting profile obtained using gamma ray scanning technique was investigated. A lab-scale tray type column (one-pass tray type with 51 cm diameter) along with a 1×1 inch NaI(Tl) has been applied to investigate the source energy effect. MCNPX Monte Carlo code was used to simulate the column in normal and abnormal operating conditions. Cs-137 and ...
In this work, we explore the hadronic coupling constants $G_{ZJ/\psi K}$, $G_{Z\eta_c K^*}$, $G_{ZD^* \bar{D}_s}$ of exotic states $Z_{cs}(3985/4000)$ both in pictures tetraquark and molecular with tentative assignments $J^{PC}=1^{+-}$ based on rigorous quark-hadron duality. Then obtain total widths $\Gamma_{Z_{cs}}^T =15.31\pm 2.06\,\rm{MeV}$ $\Gamma_{Z_{cs}}^M=83.51\pm21.09\,\rm{MeV}$, which ...
UNLABELLED The goal of this study was to evaluate the clinical reliability of the (131)I-6 beta-iodomethyl-norcholesterol ((131)I-NP-59) uptake semiquantitative evaluation method we propose for the characterization of adrenocortical masses in a selected population of patients with disease clinically classified as subclinical (SC) and preclinical (PC) Cushing's syndrome (CS) according to Reincke...
Background: Monte Carlo determination of TG-43 brachytherapy dosimetry parameters and dose distribution calculation for 131Cs source model CS-1 are presented in this study. Materials and Methods: The dose distribution was calculated around the 131Cs Model CS-1 located in the center of 30 cm ×30 cm ×30 cm water, and soft tissue phantoms cube using MCNP code by Monte Carlo method. The percentage ...
We consider a class of optimization problems for sparse signal reconstruction which arise in the field of Compressed Sensing (CS). A plethora of approaches and solvers exist for such problems, for example GPSR, FPC AS, SPGL1, NestA, `1 `s, PDCO to mention a few. CS applications lead to very well conditioned optimization problems and therefore can be solved easily by simple first-order methods. ...
Researchers have typically studied the effects of Test-First Development (TFD), compared to Test-Last Development (TLD), across groups or projects, and for relatively short durations. We define Test-With Development (TWD) as more general than the fine-grained step of TFD, but also in contrast to the large-grained phase of TLD. With this definition, we performed a multiple comparative study to e...
Soil samples from the ground surface and feces and blood from a mixed-breed male pig were collected on April 10, 2011 at a farm within 20 km of the Fukushima Daiichi nuclear power plant. The radioactivity of each sample was measured using a Ge semiconductor detector. Despite the fact that the pig had been fed non-contaminated imported feed, (131)I, (134)Cs and (137)Cs were detected in the feces...
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