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Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

ION BEAM STUDY ON EPITAXIAL GROWTH FEATURES OF YBaCuO FILMS

The epitaxial growth features of YBa2Cu3O7-x (YBCO) films on (100) SrTiO3 substrates have been studied by Rutherford backscattering spectrometry and axial channeling technique. A typical minimum yield...

Lai Chuxi (赖初喜), Wu Mingfang (吴名枋), Wang Xuemei (王雪梅), Xiong Guangcheng (能光成), Lian Guijun (连桂君) and Li Jie (李杰)

1993, 4 (2): 65

ENERGY DEPOSITION BY LOW ENERGY IONS

Considering the ionizing energy of bound electrons, the energy depositions around the path of an ion whose energy is below 1 MeV/u are calculated by using track structure model. The results are in goo...

Liu Xiaowei (刘小伟), Zhang Chunxiang (张纯祥), Li Mianfeng (李冕丰) and Luo Daling (罗达玲)

1993, 4 (2): 70

ROLE OF SURFACE TOPOGRAPHY ON ANGULAR DISTRIBUTION OF SPUTTERED Cd ATOMS*

The angular distributions of sputtered Cd atoms were measured with 27 keV Ar+ ion bombardment at normal incidence for different target temperatures by using collector technique and RBS analysis. After...

Wang Zhenxia(王震遐), Pan Jisheng(潘冀生), Zhang Jiping(章骥平), and Tao Zhenlan(陶振兰)

1993, 4 (2): 74

TRANSFERENCE AND ACCUMULATIVE PECULIARITY OF ENRICHED URANIUM IN ORGANISM

Studies show that 235UO2F2 was chiefly localized in kidneys, then in skeleton and liver. Its radioactivity in skeleton rose steadily while the concentration in kidneys and liver droped. 235UO2F2 was d...

Zhu Shoupeng(朱寿彭) Hu Qiyue(胡启跃) and Cao Genfa(曹根发)

1993, 4 (2): 80

SUMMARY OF CHINA—MADE X—RAY THICKNESS GAUGES FOR STEEL INDUSTRIES

There are two kinds of China- made X- ray thickness gaugemeters i.e. dual beam- dual detector system and single beam- single detector system- SM series, the latter is used dominantly in Chinese steel ...

Le Maosheng (乐茂生) and Hua Zongzheng (花宗正)

1993, 4 (2): 86

APPLICATION OF NUCLEAR ANALYSIS TECHNIQUES IN STUDY OF ENVIRONMENTAL POLLUTION IN THE VICINITY OF SHANGHAI

Aerosol samples were collected from three typical areas during three years: 1) north suburb of Shanghai city (NSSC); 2) north part of Shanghai city; 3) a lead-zine smeltery and its surrounding areas. ...

Li Minqian (李民乾) Zhang Yongping (张勇平) Tong Yongpeng (童永彭), Xu Yaoliang (徐耀良) Sheng Kanglong (盛康龙) and Rui Jingyi (芮静宜)

1993, 4 (2): 91

FAST MEASUREMENT OF ASH CONTENT IN COAL WASHING PLANT

The coal filter cake is a product of fine coal after floatation which has an ash content of 7—13%, water content of 30± 2%, and a particle size of less than 1 mm. The ash content was measured by the i...

Ma Yonghe (马永和) Luo Xiangdong (罗向东) and Yang Dazhan (杨大战)

1993, 4 (2): 95

PHASE CORRECTION AND BAND— PASS FILTERS IN CT IMAGING

This paper reports the use of the fast Fourier transform (FFT) in the direct Fourier transform method (DFM) in Computerized Tomography (CT) reconstruction. Phase corrections are needed in the CT recon...

Zhao Shengmei (赵生妹) and Jiang Dazhen (蒋大真)

1993, 4 (2): 101

INAA OF RM IAEA—155 WHEY POWDER

An IAEA biological RM IAEA-155 whey powder was analysed for phosphorus, as well as other 24 elements by INAA. The bremsstrahlung photons produced by 32P is measured by a HpGe spectrometer. The interfe...

Peng Lixin (彭立新) and Tian Weizhi (田伟之)

1993, 4 (2): 108

AN AUTOMATIC SEGMENTATION METHOD FOR FAST IMAGING IN PET

A new segmentation method has been developed for PET fast imaging. The technique automatically segments the transmission images into different anatomical regions, it efficiently reduced the PET transm...

Weng Shiqiang (翁是强) and V. Bettinadi

1993, 4 (2): 114

MATRIX ABSORPTION CORRECTION OF MEDIUM THICK TARGETS IN XRF

This paper deals with the matrix absorption and enhancement effects of thick targets in energy dispersive X-ray fluorescence analysis. Two kinds of absorption correction methods are studied especially...

Zhang Yuanxun (张元勋) Wang Xuepeng (汪学朋) Qin Junfa(秦俊法), Wang Yongxian (汪勇先) and Wu Shiming (吴士明)

1993, 4 (2): 120

CALORIMETRY DETERMINATION OF 210Po IN TARGETS

The polonium-210 activity in raw material targets which was used to make the start neutron source rods of Qinshan Nuclear Power Station was determined in calorimetry. The calorimeter used is a twin-cu...

Feng Gensheng (冯跟胜)

1993, 4 (2): 125

 Nuclear Science and Techniques

ISSN: 1001-8042     eISSN: 2210-3147

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