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- Weng Naidong, P R Ring, C Midtlien, Xiangyu Jiang
- Journal of pharmaceutical and biomedical analysis
- 2001

A liquid chromatography-tandem mass spectrometry method (LC-MS-MS) was developed and validated for measuring warfarin (WAR) enantiomers (R-WAR and S-WAR) in human EDTA plasma. Liquid-liquid… (More)

- P R Ring, James M. Bostick
- Journal of pharmaceutical and biomedical analysis
- 2000

A sensitive and selective high-performance liquid chromatography (HPLC) method was developed for the determination of zolpidem in human plasma. Zolpidem and the internal standard (trazodone) were… (More)

- P R Ring, James M. Bostick
- Journal of pharmaceutical and biomedical analysis
- 2000

A sensitive and selective chiral high-performance liquid chromatography (HPLC) method was developed for the determination of (R)-warfarin and (S)-warfarin in human plasma. (R)- and (S)-warfarin and… (More)

- Jon Timperley, Gc Bannister, Graham A. Gie, P R Ring, Rao Ling
- Archives of Orthopaedic and Trauma Surgery
- 1992

SummaryTwo series of implanted conical, polyethylene Ring cups were studied clinically and radiographically. In one series the cups were uncemented while in the second cement was used. The results… (More)

Well-known examples of shears bands in the nuclei ${}^{198}\mathrm{Pb}$ and ${}^{199}\mathrm{Pb}$ are investigated within tilted axis cranking relativistic mean-field theory. Energy spectra, the… (More)

We describe the program HFBTHO for axially deformed configurational Hartree-FockBogoliubov calculations with Skyrme-forces and zero-range pairing interaction using HarmonicOscillator and/or… (More)

We introduce a local-scaling point transformation to allow for modifying the asymptotic properties of the deformed three-dimensional Cartesian harmonic oscillator wave functions. The resulting… (More)

- P R Ring
- 2001

The role of a reference plane for the description of puckered ring molecules is discussed. Two such planes, the least-squares plane (LSP) and the mean plane (MP), are presented and compared. A simple… (More)

Abstract The self-consistent tilted axis cranking relativistic mean-field theory based on a point-coupling interaction has been established and applied to investigate systematically the newly… (More)

- P. W. Zhao, J. Peng, H. Z. Liang, P R Ring, Jie Meng
- 2013

P. W. ZHAO1,∗, J. PENG2, H. Z. LIANG1, P. RING1,3, and J. MENG1,4,5 1State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China 2Department of… (More)