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| 1 | Numerical study of detonation shock dynamics using generalized finite difference method显示文摘The generalized finite difference method (GFDM) used for irregular grids is first introduced into the numerical study of thelevel set equation, which is coupled with the theory of detonation shock dynamics (DSD) describing the propagation of thedetonation shock front. The numerical results of a rate-stick problem, a converging channel problem and an arc channel prob-lem for specified boundaries show that GFDM is effective on solving the level set equation in the irregular geometrical domain.The arrival time and the normal velocity distribution of the detonation shock front of these problems can then be obtainedconveniently with this method. The numerical results also confirm that when there is a curvature effect, the theory of DSDmust be considered for the propagation of detonation shock surface, while classic Huygens construction is not suitable anymore. | CHEN YongLi HUANG KuiBang YU Xin | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，10： | 2 |
| 2 | Thermal model to investigate the temperature in bone grinding for skull base neurosurgery显示文摘 | Lihui Zhang Bruce L. Tai Guangjun Wang Kuibang Zhang Stephen Sullivan Albert J. Shih | 2013 | Medical Engineering and Physics2013，，： | 1 |
| 3 | Effect of Kushen(Radix Sophorae flavescentis) extract on laryngeal neoplasm Hep2 cells显示文摘OBJECTIVE:To evaluate the effect of fermented extract of Kushen(Radix Sophorae Flavescentis) or non-fermented ESF on laryngeal neoplasms Hep2 cells.METHODS:Use 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay to explore the effect of fermented ESF and non-fermented ESF on Hep2 cells,and detect the mRNA and protein expression level of Bcl-2,Bax and Caspase-3 with reverse transcription polymerase chain reaction(RT-PCR) andWestern blot.RESULTS:Both fermented ESF and non-fermented ESF could inhibit laryngeal neoplasm's Hep2 cells,but and the cells did not response to the dilution 1:320 of fermented ESF,nor to the 1:1280 dilution of non-fermented ESF.As time progressed,the dilution 1:80 of fermented ESF and 1:320 dilution of non-fermented ESF could significantly reduce Bcl-2 mRNA and protein expression and down-regulate Caspase-3 mRNA and protein expression.Bax mRNA and protein were not expressed in Hep2 cells.CONCLUSIONS:Both fermented ESF and non-fermented ESF could inhibit the proliferation of Hep2 cells,and the effect of non-fermented ESF was significantly better than that of the fermented. | Yingzi Wang Chunchao Han Xinsheng Fang Xinyuan Shi Ailing Feng Kuibang He Shenghai Zhang Xiuyu Sun | 2013 | Journal of Traditional Chinese Medicine2013，33，2： | 1 |
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