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1.国家地震局地质研究所
2.上海静安区电子学会
Received:06 September 1983,
Published:1985
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Wenqiang Tiao, Chongyan Wang. The application of the ZSS single card computer in 14C dating[J]. Nuclear techniques, 1985, 08(3): 50-52,75.
1)被测样品的在线数据处理
14
C年代测量时间较长,一般一个样品要测够1000分钟,每10分钟为一段,测量到预置的时间后,单板机就用“3σ”作判据对各段计数进行统计检验,对偏离值超过“3σ”的数据可剔除掉,若要求测量时间一致,还可再补充新的测量值,经过剔除和补充后,将得到“σ”值,再用“3σ
1
”作判据,重新进行统计检验,直至全部偏离值没有超过“3σ
n
”为止。仪器及电网负载工作状态正常时,偏离值超过“3σ
n
”的机率只有3%,所以一般不需要剔除和补充。当测量结束时,打印机打出样品的平均计数率、标准误差、试验误差及该次测量的概率比例。本计算机设置有三种测量时间(500、1000、2000分钟),估计样品年代新老程度,可启动相应的地址。
Utilizing the ZSS sigle card computer with a liquid scintillation counter the
14
C dating can be controlled successfully in an automatic way. Its function includes the record of the counts
check of the errors
changing sample in a pre-set time
calculation of the
14
C ages and printing out the dates. Because it has an effective function as well as a small volume and good economy it is suitable to set up in a general
14
C laboratory to improve the operation condition. These advantages bear realistic significance for the automation of
14
C measurement.
А. П. Виноградов и др ., Определение абсолютного возраста по 14 С при помощи пропорционального Счетчика , Ст. 50 .
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