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少陰人 補中益氣湯과 後世方 補中益氣湯이 陽虛病證에 미치는 影響
宋一炳,高炳熙,安光武 慶熙大學校韓醫科大學韓醫學硏究所 1995 慶熙韓醫大論文集 Vol.18 No.2
In order to investigate experimentally the effects of Soum-In Bojungikit'ang and Dong-Won Bojungikit'ang on Yang-Insufficient syndrome(陽虛證) induced by Hydrocortisone acetate(H.A.) in experimental animals(Mice and Rats), the author experimented with various activities. Body temperature(BT), Body weight(BW), Exercise time, Cyclic-AMP, the Rat's Hair condition was measured. The results obtained are as follows ; 1. In body temperature, the Dong-Won Bojungikit'ang treated group was increased significantly and the Soum-In Bojungikit'ang treated group showed no significance. 2. In body weight, the Soum-In Bojungikit'ang treated group had increased significantly and the Dong-Won Bojungikit'ang treated group showed no significance and there was a significant difference between the Soum-In Bojungikit'ang and the Dong-Won Bojungikit'ang. 3. In exercise time, the Soum-in Bojungikit'ang and the Dong-Won Bojungikit'ang treated groups were significantly increased. 4. In cyclic AMP, both experimental groups showed increasing tendancy, but showed no significance. 5. In the Rat's hair condition, the Soum-In Bojungikit'ang showed significance. 6. There was no significant difference between the Soum-In Bojungikit'ang and the Dong-Won Bojungikit'ang except the body weight. From the above findings, ① it has been demonstrated that the Soum-In Bojungikit'ang and Dong-Won Bojungikit'ang groups seem to produce the effectiveness on the recovery from depression of metabolism induced by Hydrocortisone acetate. ② In body temperature response the Dong-Won Bojungikit'ang had effectiveness during recovery. ③ In body weight response the Soum-In Bojungikit'ang had the effectiveness during recovery. ④ In exercise time, Both experimental group had the effectiveness during recovery. ⑤ In cyclic AMP response, Both experimental group had no effectiveness during recovery. ⑥ In the Rat's hair condition response the Soum-In Bojungikit'ang group had the effectiveness during recovery. Therefore it is suggested that the Soum-In Bojungikit'ang and Dong-Won Bojungikit'ang groups had effectiveness during recovery from Yang-Insufficient syndrome more or less.
Electrical Measurements of an AlGaN/GaN High-electron-mobility Transistor Structure Grown on Si
Zhi-Yao Zhang,Shun-Tsung Lo,Li-Hung Lin,Kuang Yao Chen,J. Z. Huang,Zhi-Hao Sun,C.-T. Liang,N. C. Chen,Chin-An Chang,P. H. Chang 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.9
We report on magnetotransport results for an Al<sub>0.15</sub>Ga<sub>0.85</sub>N/GaN high-electron-mobility-transistor structure grown on a p-type Si (111) substrate. Our results show that there exists an approximately temperature (<i>T</i>)-independent point, which could be ascribed to a direct transition from a weak insulator to a high Landau level filling factor quantum Hall state, exists in the longitudinal resistivity ρ<sub>xx</sub>. The Hall resistivity decreases with increasing <i>T</i>, compelling experimental evidence for electron-electron interaction effects in a weakly-disordered two-dimensional (2D) system. We find that electron-electron interaction effects can be estimated and eliminated, giving rise to a corrected nominally temperature-independent Hall slope. By fitting the low-field magnetotransport data to conventional 2D weak localization theory, we find that the dephasing rate 1/τ<sub>φ</sub> is proportional to <i>T</i>. Moreover, 1/τ<sub>φ</sub> is finite as <i>T</i> → 0, evidence for zero-temperature dephasing in our system.
Jian-Zhe Huang,Li-Hung Lin,Chin-An Chang,Chi-Te Liang,Kuang Yao Chen,Kui-Ming Chen,N. C. Chen,P. H. Chang,Shiou-Shian Han,Zhi-Hao Sun 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
We report on experimental studies of an Al$_{0.15}$Ga$_{0.85}$N/GaN high-electron-mobility transistor structure grown on a $p$-type Si (111) substrate. This structure is compatible with complementary metal-oxide-semiconductor (CMOS) technology and, thus, has great potential device applications. The low-temperature magnetoresistivity shows a parabolic dependence on the applied perpendicular magnetic field. This effect is ascribed to electron-electron interaction (EEI) effects in a weakly-disordered two-dimensional system. Our experimental results agree with the EEI theory when the correction term in the ballistic region has been subtracted.
Current Scaling and Electron Heating in a GaN/AlGaN Two-Dimensional Electron System
Kuang Yao Chen,Li-Hung Lin,Chin-An Chang,Chi-Te Liang,N. C. Chen,P. H. Chang,Wen-Jang Shiue,Zhi-Hao Sun 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.6
A GaN/AlGaN two-dimensional electron system (2DES) has been prepared on a Si substrate, and the electron heating effect in the 2DES has been studied experimentally by using the resistance of the 2DES as a self-thermometer. The relation $T_e$ $\sim$ $I^{1.42}$ was obtained, which is in contrast to $T_e$ $\sim$ $I^{0.5}$ in the spin-split resistivity peaks in a GaAs/AlGaAs 2DES. A possible reason for this is discussed
Pharmacokinetics of (-)-Epicatechin in Rabbits
Yen-An Chen,Kuang-Yang Hsu 대한약학회 2009 Archives of Pharmacal Research Vol.32 No.1
The aim of this study was to investigate the pharmacokinetics of (-)-epicatechin (EC) in rabbits after intravenous, intraperitoneal, and oral administration. A two-compartment model was used to describe the pharmacokinetics of EC after intravenous administration. EC showed dose-independent pharmacokinetics after intravenous administration. In addition, the area under the concentration-time curve was proportional to the dose over the range 5-25 mg/kg. After intraperitoneal administration of 25 mg/kg, a high percentage of EC escaped from first-pass hepatic elimination. After oral administration of 50 mg/ kg, there was a great variation in the pharmacokinetics, and the mean oral bioavailability of EC was 4%. There was no significant difference in the elimination rate constants in all treatments (p>0.05). In conclusion, after intravenous, intraperitoneal, and oral administration of EC, the EC exhibits dose-independent pharmacokinetics in rabbits. The first-pass effect did not participate in the low oral bioavailability. Base on the results of the present study, the other factors may contribute the low oral bioavailability.
소음인(少陰人) 보중익기탕(補中益氣湯)과 후세방(後世方) 보중익기탕(補中益氣湯)이 양허병증(陽虛病證)에 미치는 영향(影響)
안광무,송일병,고병희,An, Kuang Mu,Song, Il Byung,Ko, Byung Hee 사상체질의학회 1995 사상체질의학회지 Vol.7 No.2
In order to investigate experimentally the effects of $So{\breve{u}}m$-In Bojungikit'ang and Dong-Won Bojungikit'ang on Yang-Insufficient syndrome(陽虛證) induced by Hydrocortisone acetate(HA) in experimental animals(Mice and Rats), the author experimented with various activities. Body temperature(BT), Body weight(BW), Exercise time, Cyclic-AMP, the Ra's Hair condition was measured. The results obtained are as follows : 1. In body temperature, the Dong-Won Bojungiki'ang treated group was increased significantly and the $So{\breve{u}}m$-In Bojungikit'ang treated group showed no significance. 2. In body weight, the $So{\breve{u}}m$-In Bojungikit'ang treated group had increased significantly and the Dong-Won Bojungikit'ang treated group showed no significance and there was a significant difference between the $So{\breve{u}}m$-In Bojungikit'ang and the Dong-Won Bojungikit'ang. 3. In exercise time. the $So{\breve{u}}m$-In Bojungikit'ang and the Dong-Won Bojungikit'ang treated groups were significantly increased. 4. In cyclic AMP, both experimental groups showed increasing tendancy, but showed no significance. 5. In the Rat' s hair condition. the $So{\breve{u}}m$-In Bojungikit'ang showed significance. 6. There was no significant difference between the $So{\breve{u}}m$-In Bojungikit'ang and the Dong-Won Bojungikitang except the body weight. from the above findings. (1) it has been demonstrated thet the $So{\breve{u}}m$-In Bojungikit'ang and Dong-Won Bojungikit'ang groups seem to produce the effecticeness on the recovery from depression of metabolism induced by Bydrocortisone acetate. (2) In body temperature response the Dong-Won Bojungikit'ang had effectiveness during recovery. (3) In body weight response the $So{\breve{u}}m$-In Bojungikit'ang had the effecticeness during recovery. (4) In exercise time. Both experimental group had the effectiveness during recovery. (5) In cyclic AMP response. both experimental group had no effectiveness during recovery. (6) In the Rat's hair condition response the $So{\breve{u}}m$-In Bojungikit'ang group had the effectiveness during recovery. Therefore in is suggested theat the $So{\breve{u}}m$-In Bojungikit'ang and Dong-Won Bojungikit'ang groups had effecticeness during recovery from Yang-Insufficient syndrome more of less.
Concrete compressive strength identification by impact-echo method
Chi-Che Hung,Wei-Ting Lin,An Cheng,Kuang-Chih Pai 사단법인 한국계산역학회 2017 Computers and Concrete, An International Journal Vol.20 No.1
A clear correlation exists between the compressive strength and elastic modulus of concrete. Unfortunately, determining the static elastic modulus requires destructive methods and determining the dynamic elastic modulus is greatly complicated by the shape and size of the specimens. This paper reports on a novel approach to the prediction of compressive strength in concrete cylinders using numerical calculations in conjunction with the impact-echo method. This non-destructive technique involves obtaining the speeds of P-waves and S-waves using correction factors through numerical calculation based on frequencies measured using the impact-echo method. This approach makes it possible to calculate the dynamic elastic modulus with relative ease, thereby enabling the prediction of compressive strength. Experiment results demonstrate the speed, convenience, and efficacy of the proposed method.