TRACE_ELEMENTS

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  • 期刊=Nuclear Science and Techniquesx
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Application of nuclear analytical techniques to trace elements in Cenozoic basalt and their mantle xenoliths from Aershan area in Inner Mongolia,China
《Nuclear Science and Techniques》2005年第2期108-113,共6页YUFu-Sheng HANSong HUANGYu-Ying HEWei CAOJie WANGHong-Yue 
Supported by the Chinese Academy of Sciences(No.KJCXN-01).
Basaltic samples from different locations in Aershan area determined by instrumental neutron activation analysis (INAA) have the same distribution patterns of REE and trace elements. The similar REE contents of the sa...
关键词：玄武岩 中生代 捕虏岩 中国 内蒙古自治区 阿尔山地区 地质年代学 跟踪元素 
Trace elements in particles of motor vehicle exhaust in Shanghai
《Nuclear Science and Techniques》2002年第1期57-64,共8页JIANGDa QIUZhi－Jun 等 
Supported by the National Natural science Foundation of China (Major Project No. 19392100, andProject No. 19475061)
A nuclear microprobe with high spatial resolution and high analytical sensitivity was applied to analyze trace elements, especially lead, in vehicle exhaust of Shanghai city. The result shows that the chemical composi...
关键词：机动车排放 废气 微量元素 大气污染 
PIXE ANALYSIS OF TRACE ELEMENTS IN GENUS HIPPOPHAE L
《Nuclear Science and Techniques》1993年第3期164-167,共4页尹仲礼 姜兴周 马成俊 郝冀方 
The Project Supported by National Natural Science Foundation of China
Trace elements in four kinds of the Genus Hippophae L pulps were analysed byPIXE. Optimization of the system performance was done by carefully selecting the absorbers, Analytical sensitivities of the PIXE system were ...
关键词：PIXE TRACE ELEMENTS GENUS HIPPOPHAE L 
DETERMINATION OF TRACE ELEMENTS IN SUBCELLULAR FRACTION OF HUMAN LIVER BY INAA
《Nuclear Science and Techniques》1992年第3期216-221,共6页郑建 庄圭荪 成源棣 
The concentrations of 18 elements in subcellular fractions of human liver were determined by combining differential centrifugation and INAA. Samples of human liver were homogenized in a buffer. The homogenate was sepa...
关键词：TRACE elements SUBCELLULAR FRACTIONS INAA 
CHEMICAL SPECIES OF IRIDIUM AND OTHER TRACE ELEMENTS IN THE CRETACEOUS-TERTIARY BOUNDARY CLAYS AND ITS IMPLICATION
《Nuclear Science and Techniques》1991年第2期106-115,共10页孔屏 柴之芳 毛雪瑛 马淑兰 
The Project Supported by National Natural Science Foundation of China
The geological samples: Cretaceous- Tertiary (K- T) boundary clays, meteorites, volcanic lava, and ultrabasic rock were separated into carbonate, metal, sulfide, oxide, silicate and acid- resistant residue by a select...
关键词：IRIDIUM ANOMALY Chemical SPECIATION INSOLUBLE residue Spherule Transmission electron MICROSCOPE 
INVESTIGATION ON TRACE ELEMENTS IN CRUDE OILS AND ORGANIC MATERIALS EXTRACTED FROM OIL-FORMING SOURCE ROCKS IN CHINA WITH INAA
《Nuclear Science and Techniques》1991年第2期85-90,共6页柴之芳 丁祖国 傅家谟 盛国英 
A combination of Soxhlet extraction, column chromatography and INAA with GC and GC- MS was used in this work for the study of the abundance patterns of 36 trace elements and their correlation in nearly 100 samples of ...
关键词：Neutron activation analysis CRUDE oil TRACE element pattern 
PRELIMINARY STUDY OF TRACE ELEMENTS IN HUMAN BRAIN TUMOUR TISSUES BY INAA
《Nuclear Science and Techniques》1991年第2期100-105,共6页庄圭荪 王荫淞 谈明光 支敏 王永吉 潘伟清 张福林 
Elemental profiles of brain tumour tissues from 15 male patients of astrocytomas (grade Ⅰ-Ⅲ) and normal human brain tissues of 23 male age matched autopsies as controls have been studied by INAA. A total of 18 eleme...
关键词：TRACE element Brain cancer NAA 
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