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- Publications
- Influence
[Thin layer chromatography and extractive technology of Panax japonicum C.A. Mey. var. major (Burk.) C. Y. Wu et K. M. Feng growing in Qingba Mountain Area].
- Q. Chi, J. Guo, Q. Dang
- Chemistry, Medicine
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao…
- 1 August 1992
Chemical components of the root, stem and leaves of Panax japonicum var. major were compared with those of Radix ginseng and Radix notoginseng by TLC. The results showed that the total saponin of the… Expand
Deuterium isotope effect on the intramolecular electron transfer in Pseudomonas aeruginosa azurin
- O. Farver, J. Zhang, Q. Chi, I. Pecht, J. Ulstrup
- Chemistry, Medicine
- Proceedings of the National Academy of Sciences…
- 3 April 2001
Intramolecular electron transfer in azurin in water and deuterium oxide has been studied over a broad temperature range. The kinetic deuterium isotope effect, kH/kD, is smaller than unity (0.7 at 298… Expand
[Isolation and structure determination of a new saponin of Anemarrhena asphodeloides].
- D. Gou, S. Li, Q. Chi, W. Sun, Z. Sha
- Chemistry, Medicine
- Yao xue xue bao = Acta pharmaceutica Sinica
- 1991
A new saponin, named smilageninoside, mp 265-7 degrees C, was isolated from rhizomes of Anemarrhena asphdeloides by conventional method. The structure of smilageninoside was identified on the basis… Expand
[Observation on the coagulative and disinfectant effects of SM-92 coagulant for drinking water (author's transl)].
- Q Chi
- Medicine
- Zhonghua yu fang yi xue za zhi [Chinese journal…
- 1981
[Ultrafiltration properties in preparing injections of Chinese medicinal herbs using a J-48 ultrafilter].
- Q. Chi, H. Nie, Q. Dang
- Chemistry, Medicine
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao…
- 1 October 1989
Four injections of single Chinese medicinal herbs and 3 medical solutions of pure substances showing impurities were prepared by J-48 ultrafilter. The retention rate of effective compounds and the… Expand
Bifurcation Analysis Of An Epidemic Model With Delay As The Control Variable
A SIS epidemic model proposed by Cooke et al.[2] is investigated. Using time delay as the control parameter, we investigate the stability and Hopf bifurcation of the model by analyzing the… Expand
- 2
- PDF
BANG-BANG CONTROL SYSTEM DESIGN FOR THE IR TRACKING SYSTEM
- Q. Chi
- Engineering
- 1982
The operational performances of the bang-bang control system as a tracking
system (especially as an IR homing system) are analysed on the basis of the general
theory of the bang-bang control… Expand