When gamma radiations have interacted with matter through Compton scattering, the energy of incident photon reduces and its direction also changes in the way that the results in creating scattered photons can be estimated by the buildup factor (Singh et al., 2010). The buildup factors have bee...
calculations by both methods about the exposure buildup factors per energy (energy spectrum of transmitted photons) for lead up to depths of 10 mfp and the ratio of the exposure buildup factor with bremsstrahlung to that without bremsstrahlung for lead, iron and water up to depths of 40 mfp....
Gamma-ray exposure buildup factors are calculated using a discrete ordinates direct integration code, PALLAS-PL, SP-Br, for water, concrete, iron, and lead... HIRAYAMA,Hideo - 《J.nucl.sci.technol》 被引量: 36发表: 1995年 The gamma-ray and neutron shielding factors of fly-ash brick mat...
These results indicate that the method of invariant embedding is able to provide gamma-ray buildup factor up to depths of 100 mfp with an accuracy enough to be used in shielding calculations.AkinaoSHIMIZUThe Wakasa Wan Energy Research Center, 64-52-1, Nagatani, Tsuruga-shi, Fukui, 914-0192...
Lamination factor mm kg/dm³ W/kg T % 20RK075 0.20 7.65 0.75 1.86 93.0 Product introduction Electrical steel,usually referring to cold rolled electrical steel, can be divided into two major categories including qrain oriented e...
Load power factor 0.8 Dielectric strength 1500V/1min Insulation resistance >2MΩ Outer size/Packaging Model/Specifications Size (cm) Package (cm) Package Quantity (piece) Gross Weight (kg) PM-1005 19 × 17 × 13.5 44 × 24.5 × 35 4 15 PM-101 22 ...
8-36 图 8.2-18 速度控制框图 参数说明 P17.20 SC Ref Weight Factor 具有在速度控制器中移动 PI 控制器的零点并减少速度过快(over shoot)的效果. P17.25 ~ P17.49 禁止用户任意变更.需要变更时请咨询本公司. 8.2.21 参数组 21 : Motor 1 Parameter 电机1 依据自学习自动设定的参数. P21.00 Stator ...
gamma-ray buildup factorparticle splittingenergy spectraGamma-ray exposure buildup factors up to 40 mfp have been calculated using the Monte Carlo code EGS4 for water, iron and lead for point isotropic sources. The new algorithm which applies particle-splitting at each preset depth to simulate ...
multilayer buildup factorMonte Carlo methodEGS4computer codesdeep-penetration problemwaterironMultilayer -ray exposure buildup factors of up to 40 mfp were calculated using an electron-photon cascade Monte Carlo code, EGS4, as a point isotropic source. A kind of splitting technique was used in the...
buildup factorpoint kernelwaterironleadAn approximating formula recently proposed by the authors for -ray buildup factors of multilayered shields was applied for very thick shields up to 40 mfp. For this purpose, modifications were made to the model and the fitting method to improve the data ...