neutrons相关论文
Multiplicity neutron burst emissions from uranium deuteride and titanium deuteride samples at room temperature were dete......
Plasma confinement can be achieved in the spherical common focal region of a multiple plasma beam configuration due to c......
This paper describes an overview of our recent discovery – clear demonstration that LiF crystals can be efficiently use......
The interaction of intense, ultrashort laser pulses with ordered nanostructure arrays offers a path to the efficient cre......
The laser system PALS, as a driver of a broad-beam ion source, delivered deuterons which generated neutrons with energie......
Stable neutron generation with a yield of ~1.2×104 neutrons per pulse was obtained during d(d,n)3He reaction initiated ......
There is considerable interest in potential aneutronic fusion reactors.One possible reaction is 11B(p,α)2α.However,the......
,Investigation of high-temperature-resistant rhenium-boron neutron shields by experimental studies a
In this study,novel rhenium-boron neutron-shielding high-temperature-resistant materials were designed.The considered sa......
Development and performance characterization of a compact plasma focus based portable fast neutron g
The design details and performance characterization results of a newly developed plasma focus based compact and portable......
目的 研究极地航线空勤人员(包括飞行员和空乘人员)所受宇宙辐射剂量,以评价其是否超过国家标准,确保空勤人员健康,保障飞行安全. ......
目的 研究经中子及γ线照射后小鼠肠组织中TNF-α的表达情况及其意义.方法 350只二级雄性BALB/c小鼠,经不同剂量的中子和γ线照射,......
In this paper,we build on the concept of equivalent fundamental-mode source to propose using delayed neutrons as a neutr......
对潜在的 aneutronic 熔化反应堆有可观的兴趣。一可能的反应是 <sup>11</sup > B (p,) 2。然而,射出的 alpha 粒子是足够精力充沛的......
...
提出了一个计算带有厚吸收的PIN中子探头灵敏度的方法,即分层分块蒙特卡罗模拟联合模型,根据计算过程,用FORTRAN77语言编写了计算程序LPMC,其计算方法本......
用气体放电方法研究温核聚变现象。测到了强度为1×10^4n/s的中子,中子的产生稳定可控,重复性100%。使用BF3中子探测器,6Li热释光中子探测器,NE-213有机液体......
综述了稀土/高分子复合材料的射线屏蔽性能和磁性能。指出稀土/高分子复合材料在X射线屏蔽应用中可有效地弥补铅的弱吸收区,具有高......
为进一步发挥核技术在安全检测中的作用,介绍了有源中子探寻法检测常规爆炸物的方法原理.着重对快中子活化法、热中子活化法、脉冲......
INTRODUCTIONTo date ,the major therapy for rectal carcinoma is extensive abdomino-perineal resection[1]. Unfortunately ,......
为了解决中子剂量监测的难题,对通过解谱计算中子剂量当量的中子测量技术进行了研究,应用位置灵敏3 He正比计数器,通过将计数器划分为......
目的研究小鼠经中子及γ射线照射后肠组织中EGF和EGFR的表达变化及其意义.方法 350只二级雄性BALB/C小鼠,经不同剂量的中子和γ射......
目的观察锎-252腔内后装治疗子宫内膜癌的近期疗效及并发症情况,并对该治疗方案进行初步评价.方法选择21例未接受过任何治疗,按照......
目的研究重组人白介素11(rhIL-11)对中子照射小鼠小肠上皮损伤及细胞周期的影响.方法采用裂变中子照射小鼠模型,观察rhIL-11对照射......
目的研究经中子及γ线照射后小鼠肠组织中TNF-α的表达情况及其意义。方法350只二级雄性BALB/c小鼠,经不同剂量的中子和γ线照射,......
目的探讨中子照射后小鼠骨髓差异表达的基因及其意义。方法二级雄性BALB/c小鼠60只,随机均分为对照组和照射组(n=30)。照射组动物采......
目的弄清极地航线空勤人员(包括飞行员和空乘人员)宇宙辐射剂量,以评价其是否超过国家标准,确保空勤人员健康,保障飞行安全。方法采......
常规测井资料识别天然气主要依据的是三孔隙度测井曲线.理论上认为,储层含气使声波时差孔隙度和密度孔隙度增大,使中子孔隙度减少.......
...
目的探讨脑源性神经营养因子(BDNF)对新生大鼠海马神经干细胞(NSCs)定向分化的影响,寻找新的NSCs诱导剂,以提高向神经元方向分化比例。......
【正】 The secondary neutron double differential cross sections(SNDDX)of <sup>238</sup>Uinduced by 14.2 MeV neutrons were ......
目的:本研究制备了一种新型的、可定位治疗肿瘤的药物-顺磁放射性纳米铁核素.方法:采用羰基法制备纳米铁,然后通过脉冲中子反应堆......
为完成徒手装配浓缩铀柱形临界装置临界安全检验实验,设计了基于薄膜装配的验证系统,以替代浓缩铀柱形临界装置上半部分结构。用MCNP......
板型燃料组件窄流道内的中子处于欠慢化状态,在堆芯中子注量率测量中,探测片衬底材料的引入将较大地改变窄流道内慢化介质的成分,......
使用MCNP程序对几种堆芯均匀化布置进行了临界计算,keff在0.92~1.00之间.计算结果为加速器驱动的次临界系统(ADS)的次临界实验平台......
叙述了25 AMeV6He+9Be双中子转移反应微分截面测量的实验设计思想.对某些角度望远镜探测器的构造进行了改进,并与其它探测器一起用......
对输入大阶跃反应性(ρ0>β)和有温度反馈时的反应堆超瞬发临界变化过程进行研究.求得任意初始功率条件下反应堆反应性与功率的变化......
研究了一种基于预估修正思想的改进准静态方法,用于求解中子时空动力学方程.通过隐式差分法预估下一时刻中子注量率以产生形状函数......
开发的粒子输运蒙特卡罗通用程序TOPAN能模拟中子和光子的耦合输运,可给出中子和光子在介质中输运后的点通量、面通量、体通量、面......
对辐射驱动内爆过程中靶球的外壳与热核燃料的“混合”问题,在一维数值模拟中的处理方法作了详细的说明,给出了一维数值模拟的主要结......
目的探讨神经营养素-3(NT-3)对神经干细胞(NSCs)定向分化的影响。方法取24h龄新生鼠海马组织,以无血清培养基获得NSCs,随即分为实验和对......
A new composite of silicone rubber and boric acid was developed to be used as a personal wearing for protection from nuc......
闪烁增强屏是中子照像常用的中子-光子转换器件,其品质对成像速度和成像质量有着直接的,非常重要的影响。该文从闪烁屏成像机理出发,总......
采用常规氧-乙炔焰喷涂技术制备WC-12Co涂层,模拟计算了涂层对中子、γ射线的屏蔽特性。将试样分别置于5#固体镭γ源、Am-Be中子源......
用多群蒙特卡罗方法对快中子核裂变系统进行了临界计算。有效增殖因子keff的计算值与实验结果符合。计算所得中子通量密度的空间分......
针对由于样本数量、测量误差和动态特性等因素,致使采用概率统计方法来对中子发生器的中子测试数据进行统计存在许多局限性和不合......
THEEARLYRELATIVEBIOLOGICALEFFECTIVENESSOFSINGLEDOSEOFFASTNEUTRONS(35MeV<sub>p→Be</sub>)FORBONEMARROWINMICE¥SunYan;孙艳;HanShukui;韩树奎;Xu?........
【正】 Defects induced by 5 and 9.5 MeV fast neutron irradiations in N-type HB single crystal GaAsare studied by the pos......
In this paper a new type of passive neutron detector based on the already existing one, CR39, is described. Its operatio......
Regulating the Nuclear Reactor through Changes of the Fraction of Delayed Neutrons: Theoretical Prob
In recent years а significant number of both theoretical and experimental works devoted to the influence of external el......
This research concerns on (TID), (DD) and (SEE) effects also high energy particles’ effects on electronic properties of......