MCNPX相关论文
针对单球中子谱仪能量响应受几何辐照条件影响的问题,探讨了在聚乙烯慢化球外层掺入一定厚度一定含量的含硼聚乙烯代替纯聚乙烯慢......
爆炸物检测是世界各国高度关注的问题,加强对爆炸物的检测力度已成为必然趋势。军事冲突和恐怖袭击中常使用各种各样简易爆炸物用......
本工作采用MCNPX 软件对我国将要建设的加速器驱动嬗变研究装置CIADS(China Init iat iveAccelerator Driven System)进行了精......
散裂中子产额及其能谱是加速器驱动系统(ADS)需要考虑的重要参数之一。为了对比不同散裂靶材料在高能质子辐照下所产生的中子......
Simulation and calculation of the response function of 3He Neutron Multisphere Spectrometer using tw
Neutron Multisphere Spectrometer can be used in accelerator radiation field for measuring neutron spectrum, which pl......
利用MCNPX软件建立了有源井型符合计数器(简称AWCC)测量模型,模拟了诱发中子源分别为Am-Li源和Am-Be源时AWCC测量贫化铀的中子符合......
本文采用MCNPX程序对某一炉段的堆芯布置进行建模,计算出了整个运行炉段不同时刻元件芯体内典型裂变产物的累积量,结合该炉段实际......
本文介绍了利用蒙特卡罗粒子输运程序MCNPX2.5.0进行中国散裂中子源多功能反射谱仪屏蔽设计的屏蔽需求、辐射源项、计算方法和设计......
加速器驱动次临界系统C-ADS注入器Ⅱ采用强流超导质子直线加速器,设计流强达到10 m A。强流质子束产生的束流损失有可能损伤超导腔......
An accelerator-driven subcritical system (ADS) is driven by an exteal spallation neutron source, which is generated from......
Radiation damage is an important factor that must be considered while designing nuclear facilities and nuclear materials......
,Application of FLUKA and OpenMC in coupled physics calculation of target and subcritical reactor fo
The study of accelerator-driven subcritical reactor systems (ADSs) has been an important research topic in the field of ......
A variety of formulations was investigated for the fabrication of an appropriate shielding rubber to be used in neutron-......
为研究样品微颗粒在X射线荧光(XRF)分析中对测量结果的影响,运用蒙特卡罗模型MCNPX对X射线荧光仪进行建模,研究了样品颗粒粒径对X......
An accelerator-driven subcritical system(ADS)is driven by an external spallation neutron source,which is generated from ......
Radiation damage is an important factor that must be considered while designing nuclear facilities and nuclear materials......
为了分析加速器驱动系统（ADS）中质子束能量对金属靶散裂产生的中子产额及靶内中子能谱、靶表面的泄漏谱的影响，利用MCNPX对ADS的重金......
Measurement of mass attenuation coefficients,effective atomic numbers,and electron densities for dif
The mass attenuation coefficients(l/q)for different parts(root,flower,stem,and leaf)of three medicinal aromatic plants(T......
Designing a nuclear battery based on the Mo-99 radioactive source soluble in water and aqua regia in
Today, millions of electrocommunication, electric, medical, and industrial devices use battery. Batteries with long life......
Application of FLUKA and OpenMC in coupled physics calculation of target and subcritical reactor for
The study of accelerator-driven subcritical reactor systems(ADSs) has been an important research topic in the field of n......
The water equivalent ratio(WER)was calculated for polypropylene(PP),paraffin,polyethylene(PE),polystyrene(PS),polymethyl......
Calculation of photon attenuation coefficient and dose rate in concrete with the addition of SiO2 an
One of the most important safety features of nuclear facilities is the shielding material used to protect the operating ......
用蒙特卡罗软件MCNPX版本模拟计算了同一尺寸的溴化镧探测器对不同体积的MB容器中β＋粒子的探测效率和计数率,以及不同尺寸的探测器......
基于河蚌开口与闭合两种形态,利用多边形网格（PM）与NURBS曲线技术对河蚌体素模型进行光滑和变形处理,分别建立河蚌开口面元模型和闭......
利用MCNPX模拟计算了在三种几何辐照条件下和四种典型中子源入射时的单球中子谱仪的能量响应,模拟计算结果表明:当中子能量大于1Me......
为研究样品微颗粒在X射线荧光（XRF）分析中对测量结果的影响,运用蒙特卡罗模型MCNPX对X射线荧光仪进行建模,研究了样品颗粒粒径对X射......
选用62 MeV质子束，构建了人眼体MCNPX模型，模拟计算了质子束放疗过程中人眼体模型的剂量分布。模拟中考虑了两种情况：1）理想的治疗情况......
利用蒙特卡罗（MC）粒子输运程序MCNPX分别计算了用^238U裂变电离室测量由加速器产生的14．8MeV和25．5MeV准单能中子注量率以及将其推广应......
闪烁体光纤探测器采用双探头甄别中子信号,利用^252 Cf裂变源对探测器系统进行了测试,并与3 He计数管的计数进行了对比。在启明星1......
Calculation of Dose in Healthy Organs, during Radiotherapy 4-Field Box 3D Conformal for Prostate Can
In men, prostate cancer is one of the most frequent types, and radiotherapy is adopted as a form of treatment. Although ......
利用MCNPx程序计算了宽能谱中子雷姆仪的响应曲线. 计算表明, 增加铅层对低能中子的响应没有明显的影响, 但在高能区(几百MeV以上)......
加速器驱动的次临界系统（ADS）是未来最有可能实现工业化嬗变核废料的装置。通过设计1个10MW的ADS物理方案,研究ADS的嬗变能力。采用M......
介绍了中子多重性测量分析方法的理论关系式以及中子脉冲序列的形成原理，并利用MC．NPX与MATLAB程序模拟便携式中子符合探测器（PNCC）进......
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与传统加速器驱动次临界系统(ADS)采用金属靶作为散裂中子靶的设计不同,加速器驱动次临界熔盐堆(AD-MSRs)采用靶堆一体的设计,直接......
The purpose of the paper is to study the performance of the CANDU(Canada Deuterium Uranium)reactor when the reactor core......
Aspects of BURSTS and Spallation reactions induced by high-energy heavy ions in thick targets (>10 cm thick) will be inv......
During recent years, a new generation of nuclear reactors, known as “Accelerator Driven Subcritical Reactors”, has bee......
重离子束具有倒转的深度剂量分布(Bragg曲线)和Bragg峰区高的相对生物学效应,在有效杀死肿瘤细胞的同时途经的正常组织接受的辐射......
高放废物一直是放射性废物处理与处置的重点和难点,一般来自于核岛中的燃料棒燃烧产生的乏燃料中,约占乏燃料总重量的3%,但高放废......
反应堆堆芯中子和热工水力的相互作用被称作热反馈或者反应性反馈,是分析堆芯物理现象的基础。因此,反应堆物理热工耦合对揭示堆芯......
介绍了放射性同位素微电池的工作原理、选择GaN做为微电池能量转换材料的优势及同位素源选择的一些原则.为给GaN微电池找到一种合......
加速器驱动次临界系统(Accelerator Driven Subcritical System,简称 ADS)是目前国际上公认的最优核废料处置方案,关于加速器驱动......
核材料是核武器的核心,对于核材料质量属性的测量,一直是核查领域的核心议题。随着时代的发展,核材料与核技术已经由军用向民用成......
中子探测在核探测技术中占有特殊的地位,中子辐射场的基本信息是加速器辐射防护研究的主要内容。随着加速器技术的不断发展,可加速......
利用蒙特卡罗程序MCNPX模拟计算了纯聚乙烯球和加入辅助材料的聚乙烯球对不同能量中子的响应函数曲线,使用计算出来的响应函数作为......
研究了基于碲锌镉可以吸收其与中子的113Cd(n,γ)反应产生的瞬发γ,采用241Am-Be源进行中子探测实验,结果表明碲锌镉探测器对中子......
