Interference with determination of α and γ to β is discriminated. β nuclides are divided into four groups based on β maximum energy. Equivalent efficiency and weigh factor of each group are analyzed by liquid scintillation analyzer and Ge ( Li) γ spectrometer. 把β放射性核素分成4组,用液闪仪和Ge(Li)γ谱仪分析各组样品和各种淬灭条件下的等效效率和权重因子,通过效率等效法计算得到样品的总β放射性活度。
Analysis of the Cause for the Spectrum-Drifting of NaI ( Tl) Scintillation Spectrometer NaI(Tl)闪烁谱仪谱漂移原因分析
In this study, a new method for the cosmogenic~ ( 32) P and~ ( 33) P determination in the rainwater and seawater using the ultra low level liquid scintillation spectrometer is developed. 本研究旨在建立用超低水平液闪谱仪测定雨水、海水中的宇生核素32P3、3P的方法。
Model DYs-92 Low Background Liquid Scintillation Spectrometer DYS-92型低本底液体闪烁谱仪
This paper gives a brief discussion on the importance of the accuracy analysis, the basic principle and methods for natural gamma measurement by NaI ( T1) scintillation spectrometer. 本文简述了自然γ能谱测量与分析精度的重要性,采用NaI(T1)闪烁谱仪进行自然γ能谱测量及分析的基本原理与方法。
In this paper the structure and main parformance of a NaI ( T1) gamma-ray scintillation spectrometer with an annular plastic scintillator used as the anticoincidence shield are reported. 本文报告了一个用塑料闪烁体环探测器作反符合屏蔽的NaI(T1)γ能谱仪的结构及主要性能。
Comparative study on separation of()~ ( 234) Th in sea water with three extraction systems and determination using liquid scintillation spectrometer 三种体系萃取分离液闪测定海水中~(234)Th的比较研究
Model FH 1906 low background gamma scintillation spectrometer FH1906型低本底γ闪烁谱仪
The basis and method of determining fuel elements broken in a reactor by Cerenkov counting measured with liquid scintillation spectrometer are introduced. 介绍了利用液闪谱仪进行切伦科夫计数确定反应堆燃科元件破损的原理和方法。
Determination of cosmogenic~ ( 32) P and~ ( 33) P in the rainwater and seawater using the ultra low level liquid scintillation spectrometer 超低水平液闪谱仪测定雨水、海水中的宇生核素~(32)P和~(33)P
A NaI ( Tl) Gamma-Ray Scintillation Spectrometer with an Annular Plastic Scintillator Used as the Anticoincidence Shield 塑料闪烁体环探测器作反符合屏蔽的NaI(Tl)γ能谱仪
This paper described a method in which 3H and 32P, 3H and 14C dual labelled samples were counted by a Beckman LS 8100 or an NE 8312 liquid scintillation spectrometer. 本文报导了~3H和~(32)P、~3H和~(14)C双标记样品液体闪烁测量法,使用仪器为BeckmanLS8100和NE8312液体闪烁谱仪。
At 2, 4, 8 and 24 hours after radiation, cells were split to extract plasma and membrane protein. Furthermore, activity of protein kinase C was measured with r-32P-ATP labeled liquid scintillation spectrometer; 于辐照后2,4,8,24h裂解细胞,提取胞浆和胞膜蛋白,采用r-32P-ATP标记液闪法进行蛋白激酶C活性测定;
~ ( 32) P counting with liquid scintillation spectrometer by Cerenkov radiation 用液体闪烁谱仪对~(32)P进行切伦科夫计数
The Accuracy for Measurement of Natural Gamma Ray by HD-8004 NaI ( T1) Scintillation Spectrometer HD-8004型NaI(T1)闪烁谱仪测量自然γ能谱的精度
But using liquid scintillation spectrometer survey, it is simple and save time, is beyond compare for other survey method. 但用液体闪烁谱仪测量简单省事,是其他测量装置所无法比拟的。