Nuclear Science and Techniques

Production of intense highly charged ion beams by IMP 14.5 GHz electron cyclotron resonance ion source

A new 14.5GHz Electron Cyclotron Resonance (ECR) ion source has been constructed over the last two years. The source was designed and tested by making use of the latest results from ECR ion source dev...

ZHAO Hong-Wei, ZHANG Zi-Min, ZHANG Xue-Zhen, ZHAO Yu-Bin, GUO Xiao-Hong, LIU Zhan-Wen, LI Xi-Xia, WANG Yi-Fang, WEI Bao-Wen

2000, 11 (3): 145

Study of the pulsed working characteristics of the penning ion source for neutron tubes

The pulsed working characteristics of the neutron tube ion source were studied experimentally. The principle and method of selecting the gas pressure and anode voltage were determined.

LU Hong-Bo, YUE Cheng-Bo, LI Wen-Sheng, ZHAI Wei-Dong, JIANG Zhong-Jing, WEI Bao-Jie

2000, 11 (3): 150

The microwave absorption of ceramic-cup microwave Ion source

An experiment system of ceramic-cup microwave ion source has been built here. Its microwave absorption efficiency as a function of the magnetic field and the pressure is presented. When the microwave ...

LIU Lin-Mao, JING Shi-Wei, LI Wen-Sheng, GU Li

2000, 11 (3): 155

Reef coral δ¹⁸O thermometer in Hainan island waters, South China Sea

An 18-year-long (1981-1998) study was conducted in Hainan Island waters (22°20'N, 110°39'B) to determine the relationship between δ18O in skeletal aragonite carbonate and sea surface temperature (SST)...

HE Xue-Xian, PENG Zi-Cheng, WANG Zhao-Rong, HUO Wei-Guo. TAN Jun, NIE Bao-Fu, CHEN Te-Gu, ZHONG Jin-Liang

2000, 11 (3): 162

Application of radioanalysis to the transport of micro-constituents by diffusion

Predictions on the leaching behaviour of microconstituents from dumped, stored, or immobilised wastes are based on estimates of the effective diffusion coefficients involved, which usually range from ...

DAS H A

2000, 11 (3): 167

Critical phenomena of a nuclear system in alternative ZM models

Alternative versions of the ZM model are extended to asymmetric nuclear matter by including ρ meson degree of freedom in the Lagrangian. The extended models are then used to study the thermodynamical ...

SONG Hong-Qiu

2000, 11 (3): 173

Long-range angular correlation in dissipative reaction of ²⁷Al + ²⁷Al

Angular correlation of excitation functions in dissipative heavy ion collision 27A1 + 27Al has been measured. The incident beam energies ranged from 114MeV to 127MeV in steps of 200keV. The angular an...

WANG Qi, HU Peng-Yun, TIAN Wen-Dong, LI Song-Lin, LU Jun. LUO Yi-Xiao, AMORINI F, CABIBBO M, CARDELLA G, FIGUERE P, MUSUMARRA A, PAPA M, PAPPALARDO G, RIZZO F, ROMANO S. TUDISCO S, HEUSCH B

2000, 11 (3): 179

Production of dileptons with intermediate masses in an expanding quark-gluon matter

A study of dilepton spectra, in intermediate mass region (IMR), from main background sources, quark phase, and secondary processes in hadronic phase on the basis of a relativistic hydrodynamic model h...

HE Ze-Jun, JIANG Wei-Zhou, ZHOU Wen-Jie, ZHANG Jia-Ju

2000, 11 (3): 183

22 MeV polarized proton scattering from ⁴⁰Ca and effective NN interactions

Analyzing powers and differential cross sections have been measured for elastic scattering of 22 MeV polarized protons from 40Ca, 16O and 12C, and differential cross sections for inelastic scattering ...

AN Zhu, CHEN Quan, CHENG Yehao, SHEN Dongjun, GUO Gang, LIU Mantian, WANG Rongwen, SHI Shumei, LI Liqiang

2000, 11 (3): 187

Synergistic extraction and separation of Am(III) and Ln(III) with HBMPPT-sulfoxide-HNO₃-toluene system

Some sulfoxides (petroleum sulfoxide -PSO, di-n-octyl sulfoxide -DOSO etc.) were chosen as synergists to study the synergistic effect on the extraction reaction with HBMPPT (4-bentoyl-2,4-dihydro-5-me...

YU Shao-Ning

2000, 11 (3): 192

The n-Octyldodecylsulfoxide(ODSO)-carbon tetrachloride extracting uranium(VI)

The liquid-liquid extraction behavior of uranium(VI) from nitric acid aqueous solution with n-octyldodecylsulfoxide(ODSO) has been studied over a wide range of conditions. The extracted species appear...

YANG Yan-Zhao, YANG Yong-Hui, SUN Si-Xiu, BAO Bo-Rong

2000, 11 (3): 197

DBC solvent extraction of U(VI) from thiocyanate medium

The extraction behavior of uranium(V1) from thiocyanate medium with dibenzo-18-crown-6 (DBC) in nitrobenzene and the effects of alkali cations on the extraction were investigated. The results showed t...

CHEN Ming-Sheng, Jin Jian-Nan, Xu Sheng-Chang

2000, 11 (3): 201

Extraction of uranium(VI) with N-octanoylpyrrolidine in sulfonated kerosene

Extraction of uranium with N-octanoylpyrrolidine (OPOD) in sulfonated kerosene from aqueous nitric acid media has been studied. The dependence of the extraction distribution ratios on the concentratio...

LI Zhen, BAO Bo-Rong, XIANG Qun, HAN Jing-Tian

2000, 11 (3): 205

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