• Title/Summary/Keyword: 신현택

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OTC Drug Regulatory System of Korea Comparing to Other Countries (일반의약품 허가제도의 국가간 비교 및 발전 방향)

  • Sohn, Hyun-Soon;Shin, Hyun-Taek
    • Korean Journal of Clinical Pharmacy
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    • v.15 no.2
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    • pp.127-138
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    • 2005
  • This is to examine the OTC regulatory system of Korea in comparison with those of Japan, UK and US, and suggest the possible regulatory actions to harmonize it to international standards. Individual countries have their own regulatory requirements and processes far OTC application based on established drug monographs and safety profiles from clinical experiences. Categories of OTC drug monographs are being expanded with transparent establishment procedure according to detailed guidelines, and public opinions as well as professional experts for assessing appropriateness of wide usage without physician's prescription. In line with trend of self-medication worldwide, the number of OTC drugs is increasing and more efficient and professional drug review is underway in the separate OTC division in regulatory agency. For improving OTC regulatory system in Korea, settlement of optimal drug classification policy and management for encouraging OTC drug use, development of more detailed and specific guidelines for OTC drug application, expansion of OTC drug monographs, transparent process for OTC monographs establishment, and establishment of OTC division in health authority, are suggested.

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A Study on the Piezoelectric Transformer for High Power (고출력 압전 변압기에 관한 연구)

  • Lee, Jong-Pil;Kim, Weon-Jong;Shin, Hyun-Tak;Shin, Jong-Yeol;Lee, Soo-Won;Lee, Chung-Ho;Hong, Jin-Woong
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2004.04b
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    • pp.195-198
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    • 2004
  • In this paper, the disk-type piezoelectric transformer for the high power was investigated with the variation of road resistance. The diameter and thickness of a disk-type piezoelectric transformer was 50mm and 4.5mm, respectively. The piezoelectric transformer was composed to PZT-PMN-PSN. The ratio of driving electrode and generating electrode ranges from 1.4:1 to 3:1. The poling direction of driving part and generating part are the same. A voltage step-up ratio increased with increasing the load resistance, $R_L$, so it reached 60 times under no road resistance. also, the maximum efficiency of 97% was obtained.

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Partial Discharge Characteristics of Silicone Rubber for Insulator by Impurities (불순물에 따른 애자용 실리콘고무의 부분방전특성)

  • Kim, T.Y.;Lee, H.J.;Shin, H.T.;Lee, C.H.;Lee, D.J.;Kim, W.K.;Hong, J.W.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2003.07a
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    • pp.506-509
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    • 2003
  • In this paper, the $\Phi$-q-n pattern and average discharge power of silicone rubber have investigated effect of inter impurities. It's changed impurities by silicone oil, water and copper. Applied voltage is AC 3, 4, 4.5, 5, 5.5[kV]. And data acquisition time is 10 second(600 cycles). These results suggest that partial discharge(PD) is shower negative polar than positive polar at 3[kV]. Positive polar's PD value increased with increase of applied voltage. The Conductivities expressed same $\Phi$-q-n pattern in positive polar and negative polar at phase region.

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Electrical Breakdown Properties of Insulating Oils for oil-immersed transformer (유입변압기용 절연유의 절연파괴특성)

  • Lee, I.S.;Shin, H.T.;Lee, J.P.;Lee, S.W.;Hong, J.W.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2001.11b
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    • pp.605-608
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    • 2001
  • With the intention of investigating the breakdown properties of oil-immersed transformer oils in temperature range of $20\sim100[^{\circ}C]$, we are made researches AC breakdown in the gap of $500\sim2500[{\mu}m]$. The classification for the physical properties of oil for oil-immersed transformer by FTIR and H-NMR experiments was confirmed to type of mineral oils. As the dependance of breakdown properties due to electrode gap length variation, breakdown voltage was found increasing according to the increase of gap, while dielectric strength was decreasing. As a result the characteristics for AC breakdown, It goes to prove that the breakdown voltage was increased to $90[^{\circ}C]$ but decreased over $90[^{\circ}C]$ in the temperature range. Also, breakdown voltage was found increasing in the increase of gap and the rising of temperature according to Weibull distribution.

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The Effect of Far Infrared Radiation of $\beta$-Spodumene Glass-Ceramics Flims Coated on Iron Substrate by Sol-Gel Technique (졸-겔법에 의한 금속기판상의 $\beta$-spodumene 결정성유리의 박영도포와 원적외선상세성)

  • 양중식;신현택;박종옥
    • Journal of the Korean institute of surface engineering
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    • v.27 no.2
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    • pp.99-108
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    • 1994
  • Films of glass-ceramics $Li_2O-Al_2O_3-SiO_2$(LAS)system were prepared on substrate of an iron plate(SCP) by sol-gel technique using metal alkoxide such as Si$(OC_2H_5)_4$,Al$(OC_2H_9)_3$) and Ti$(OC_2H_6)_4$). Sol which was made by means of simple spray coating, on the substrate was hydrolyzed at 75~$80^{\circ}C$ in moisture cabinet (80~90 % humidity) to form the multicomponent gel. The films up to about 0.8~1.0$mu extrm{m}$ in thickness can be obtained by repeating operation, spraylongrightarrowhydrolysis and condensationlongrightarrowdryinglongrightarrowheating and crystallization at $700^{\circ}C$ for 3~5min. The far-infrared radiation spectra of the coated films on substrate were examined by FT-IR and of films was also observed by scanning electron micrograph technique. The thermal evaluation of the gel-film is followed by TG/DTA measurements. The structure evaluation is followedd X-ray diffraction. These results suggest that this process is applicable to far-infrared radiat at thin film technique.

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Stability Analysis of the Ignition Coil using Partial Discharge (부분방전법을 이용한 점화코일의 안정도 해석)

  • Park, Hee-Doo;Kim, Tag-Yong;Shin, Hyun-Taek;Kim, Weon-Jong;Shin, Jong-Yeol;Hong, Jin-Woong
    • Journal of the Korean Society of Safety
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    • v.21 no.1 s.73
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    • pp.53-58
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    • 2006
  • This paper has been addressed on the discharge characteristics of the ignition coil by Weibull function. It analyzed discharge number and amount of discharge using Weibull distribution to know the inter-relationship between partial discharge and mileage. We detected the discharge which happens for 10 seconds. The applied voltage increased by 0.5[kV] at discharge inception voltage. We diagnosed failure rate using the shape parameters. As a result, we confirmed that the failure rate was increased, because the shape parameter showed the value of 5 according to increasing mileage degradation. Also, it is considered to increase the degradation of inner insulator of ignition coil. Because failure rate of virgin was increased from 0[%] to 25[%] after degradation, stability analysis of the ignition coil using Weibull analysis is possible.

Volume Resistivity Properties of Polyethylene Terephthalate Film due to Temperature Variation (온도변화에 따른 폴리에틸렌텔레프탈레이트 박막의 체적고유저항 특성)

  • Youn, J.I.;Ko, K.Y.;Shin, H.T.;Shin, J.Y.;Lee, C.H.;Hong, J.W.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2002.11a
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    • pp.224-227
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    • 2002
  • In this paper, we have investigated the physical properties and electrical conduction properties of polyethylene terephthalate film due to temperature variation, and the measurement of volume resistivity used to highmegohm meter is measured from 1 to 10 minutes when the specimen applied the voltage accroding to the step voltage appling method. From FT-IR spectrum as an analysis of physical properties, the strong absorption in wavenumbers $1019[cm^{-1}]$, $1266[cm^{-1}]$ and $1752[cm^{-1}]$ observed by the C=O and benzene ring. From the analysis of DSC, the crystalline melting points of the specimen observed in the temperature $80[^{\circ}C]$ and $263[^{\circ}C]$, respectively.

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The Prevalence of Eating Disorder High Risk Group and Eating Disorder Among Bariatric Clinic Patients (비만클리닉 내원자 중 식이장애 고위험군 및 식이장애의 유병률)

  • Shin, Hyun-Taeg;Song, Jae-Cheol;Lee, Kyung-Hee;Lee, Jae-Sung
    • Journal of Korean Medicine for Obesity Research
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    • v.4 no.1
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    • pp.13-22
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    • 2004
  • Objectives: The purpose of this study was to investigate the prevalence of eating disorder high risk group and eating disorder among whom visit bariatric clinic for diet and its relationship with sex, ages and body measurement. Methods: 742 subjects who visit our clinic both at Seocho and Bundang from January to October in 2004 were surveyed by using EAT-26 to assess their eating attitude. Results: The prevalence of eating disorder high risk group was 17.9% and that of eating disorder was 3.2%. Mean score of EAT-26 was higher in females$(13.22{\pm}8.52)$ than males$(8.95{\pm}5.44)$ and was significantly higher in twenties than the thirties in females(p<0.05). Mean weight, BMI and % body fat were significantly lower in eating disorder high risk group than normal group(p<0.05). Conclusions: Eating disorder symptomatology was highly prevalent among whom visit bariatric clinic for diet.

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A Study on the Relationship among Hair Tissue Mineral Analysis, Autonomic Functions and Obesity (모발미네랄검사와 자율신경기능 및 비만도와의 연관성 연구 - 한의학적 변증 응용을 위한 -)

  • Lim, Hyung-Ho;Kim, Ho-Jun;Jin, Sung-Sun;Song, Jae-Chul;Shin, Hyun-Taeg;Song, Yun-Kyung
    • The Journal of Korean Medicine
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    • v.28 no.1 s.69
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    • pp.249-259
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    • 2007
  • Objectives : We performed this study to analyze correlation among hair tissue minaral ratio, autonomic function and obesity. Methods : Subjects were gathered from January 2005 to March 2007. This study was carried out on 263 subjects who had visited Garosero oriental clinic and had no previous cardiovascular disease and thyroid disease. Heart rate variability (HRV) parameters, tissue mineral ratio and obesity degree were statistically compared with correlation and T-test analysis. Results : The results of this study are summarized as follows : 1. Normal group were predominant over obesity group in HRV parameters(SDNN, RMSSD, VLF, LF, HF). 2. Ca/P, Ca/K, Na/K and Fe/Cu, Na/Mg ratio in hair tissue mineral ratio have correlation with BMR, BMI and waist circumference. 3. Ca/P ratio has correlation with LF norm in HRV, and Na/K with HF, Na/Mg with LF, equally. Conclusions : Taken together these results may suggest that there are significant relationships between hair tissue mineral analysis and HRV.

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Clinical Outcome of Educational Program Using Self-monitoring of Peak Expiratory Flow Rate for Asthma Patients (천식 환자에 있어서 최대호기 유속의 자가 모니터링을 이용한 복약지도의 유용성)

  • Lee, Myung Bok;Shin, Hyun Taek;Kim, Sun Young
    • Korean Journal of Clinical Pharmacy
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    • v.9 no.2
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    • pp.97-102
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    • 1999
  • The effects of pharmacist's intervention for asthma patients using self-monitoring of peak expiratory flow rate in medication teaching model was evaluated for 3 months in improving clinical outcomes including emergency visits, hospitalizations, antibiotics use, symptoms and sleep disturbance. Twenty seven patients were enrolled in study and twenty three patients completed the follow-up schedules. The selected patients were given the pre-designed instruction for medication including appropriate use of medication, metered-dose inhaler(MDI) technique, identifying and controling asthma triggers and recognizing early signs of deterioration. There were significant improvements in clinical outcomes, in terms of emergency visits, hopitalizations, antibiotics use, symptoms and sleep disturbance. There were also significant improvements in the MDI use, environmental control, and medication knowledges. There was a progressive increase in peak expiratory flow rate during the three-month intervention. In conclusion, pharmacist's intervention using self-monitoring of peak expiratory flow rate has a significant impact on improving clinical outcomes in asthma patients.

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