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[期刊论文] 作者:MA Peng,SUN Hong-qing,, 来源:Annual Report of China Institute of Atomic Energy 年份:2014
The half-absorption thickness is the thickness of material required to diminish an incident beam of radiation to half its original intensity.The effective thick...
[期刊论文] 作者:MA Peng,SHU Fu-jun,ZHANG Sheng-dong,SUN Hong-qing,, 来源:Annual Report of China Institute of Atomic Energy 年份:2013
The detection of 90Sr in ambient soil is an intractable problem in retirement procession of nuclear facilities.The content of 90Sr in soil is difficult to measu...
[期刊论文] 作者:YANG Jin-ling,YANG Chun-li,DING You-qian,SUN Hong-qing,, 来源:Annual Report of China Institute of Atomic Energy 年份:2013
Applying for LRIMS analysis,one of the main requirements is the production of an atomic beam(or molecular beam)with the atoms in one well defined state,i.e.,the...
[期刊论文] 作者:YANG Su-liang,YANG Zhi-hong,DING You-qian,LIANG Xia-hu,SUN Hong-qing,, 来源:Annual Report of China Institute of Atomic Energy 年份:2012
90 Sr is produced through nuclear fission. It is an important radionuclide in the environment and mainly comes from atmospheric nuclear tests. However, the oper...
[期刊论文] 作者:YANG Su-liang,SUN Hong-qing,DING You-qian,YANG Zhi-hong,ZHANG Sheng-dong,, 来源:Annual Report of China Institute of Atomic Energy 年份:2012
90 Sr on SPE disks may be counted by either liquid scintillation or proportional counting. These two methods have both been employed in literature, but detailed...
[期刊论文] 作者:YANG Su-liang,DING You-qian,LIANG Xiao-hu,SUN Hong-qing,MA Peng,, 来源:Annual Report of China Institute of Atomic Energy 年份:2014
The age of uranium is defined as the time interval from the date of production,which can provide some dynamic information about the uranium origin.The uranium a...
[期刊论文] 作者:YANG Su-liang,DING You-qian,LIANG Xiao-hu,SUN Hong-qing,ZHANG Sheng-dong,, 来源:Annual Report of China Institute of Atomic Energy 年份:2013
Naturally occurring technetium occurs as a spontaneous fission product in uranium ore or by neutron capture in molybdenum ore.Up to 2008,approximately 1.6 PBq(2...
[期刊论文] 作者:SUN Hong-qing,YANG Su-liang,DING You-qian,YANG Jin-ling,MAO Guo-shu,, 来源:Annual Report of China Institute of Atomic Energy 年份:2013
For the determination of trace amount of plutonium,Pu(Ⅳ)may be extracted from dilute nitric acid by TTA-xylene,and stripped by concentrated nitric acid.But the...
[期刊论文] 作者:WANG Xiu-feng,CHEN Ming,SUN Hong-qing,SUN Xiao-yi,MA Peng,DING You-qian,, 来源:Annual Report of China Institute of Atomic Energy 年份:2015
~(99)Tc is a pure beta radionuclide,its half-life is 2.111×10~5 a,and is widely used in nuclear medicine.Potassium pertechnetate is an important material of te...
[期刊论文] 作者:SUN Xiao-yi,YANG Chun-li,MAO Guo-shu,HUANG Kun,SUN Hong-qing,MA Peng,, 来源:Annual Report of China Institute of Atomic Energy 年份:2014
Pu can be electrodeposited in ammonium oxalate/ammonium sulfate/ammonium chloride.The process in(NH_4)_2SO_4 solution remains stable while pH keeps changing in...
[期刊论文] 作者:SUN Xiao-yi,MAO Guo-shu,HUANG Kun,YANG Lei,YANG Su-liang,YANG Chun-li,SUN Hong-qing,MA Peng,, 来源:Annual Report of China Institute of Atomic Energy 年份:2015
Plutonium can be electrodeposited in ammonium oxalate,ammonium sulfate and ammonium chloride systems,but there is white layer appeared when the diameter of the...
[期刊论文] 作者:YOU Qu-Bo,BAO Yi-Wen,WU Shao-Yong,SHEN Hong-Tao,GUAN Yong-Jing,ZHANG Wei,FAN Jin-Long,YANG Lei,SUN Hong-Qing, 来源:中国物理快报(英文版) 年份:2010
Accelerator mass spectrometry (AMS) is one of the most promising methods to detect minute amounts of 182Hf. However, the sensitivity of 5×10-11 for 182Hf/180 H...
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