Authors:
Zhang Zhikang Qing-Hua University Department of Engineering Physics 100084 Beijing P.R. China

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Lin Qian Qing-Hua University Department of Engineering Physics 100084 Beijing P.R. China

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Abstract  

In on—line measurement on sheet thickness by -ray transmission, for the sheet thickness vibrates in counting time, and attenuation of -ray which penetrates matter follows an exponential law, not a linear one. So the measured value of thickness which is taken from mean counting rate deviates from the true value.The paper analyses the causes of this deviation, describes the expression form of the dynamic error which is induced by these deviatons, gives a method to diminish the dynamic error by correcting the deviation.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)