After neutron bombardment these microspheres can emit pure Beta rays, whose radioactive properties are the same as that produced by flame floating process. 该类微球经中子辐照后,均可放射纯β-射线,辐射性能与火焰飘浮法制得的微球相近;
The pulse neutron is emitting from pulse neutron generator, by means of the pulse synchronism method, the rays emitting in different time can be obtained, and then the content of the coal can be detected out. 采用脉冲中子发生器发射脉冲中子,利用与中子脉冲同步技术,可获得不同时刻的不同射线,经分析可获得煤质元素的含量。
Mutagenic Effects of Fast Neutron and Cs Gamma Rays on Rice 快中子和铯-137γ射线对水稻的诱变效果
Objective To study quantitatively and comparatively the pathologic characteristics of mice intestinal injuries induced by neutron and γ rays irradiation. 目的定量比较研究小鼠经中子及γ线照射后肠道损伤的病理特点。
Role of TGF-β_3 in injury of mouse intestines induced by neutron and γ rays irradiation TGF-β3在中子及γ线照射小鼠肠道损伤中的作用研究
The expression of TNF-α in the intestine of mice irradiated by neutron and γ rays TNF-α在中子及γ线照射小鼠肠组织中的表达
Principles of neutron moisture measurement and infrared rays moisture measurement are presented. 介绍了混合料水份中子测定法和红外线测定法的原理。
The initial experimental study of on line coal analyses by neutron induced prompt γ rays 基于中子诱发瞬发γ射线煤质在线分析的初步探讨
Coal samples are radiated by~ ( 241) Am-Be neutron source. The induced prompt gamma rays by neutron are measured. We determined the contents of carbon and hydrogen in coal samples by characteristic gamma rays. 用~(241)Am-Be中子源照射煤样,测量中子感生的瞬发γ射线能谱,由特征γ射线的强度来确定C、H含量。
At the same time distinguish the neutron and gamma rays signal by rise time method. 同时采用上升时间法对所测得的时间关联信号进行n-γ分辨,分析了时间关联信号的具体构成。
Transmission-type methods of determination are used widely, namely neutron source, samples and detectors are arranged in a line and detectors are fixed at the front of sample for receiving the gamma rays. 在测量方法上广泛采用透射式,即中子源、样品、探测器依次直线排列,探测器接收样品前方出射?射线。