• Journal of Korean Medical classics
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• v.4
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• pp.127-157
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• 1990

Geum-Won dynasty is the era which totalized the every medical attainments of before Song dynasty and appeared some medical practioners who found new medical theory based upon this, and is important time for various developments of the oriental medical theory. At this time of the era, the representative practioners are called the four noted physician of Geum-Won dynasty. Jang Won-So who influenced the formation of the theory of the four noted physcian of Geum-Won dynasty, originated new theory by joining the theory of "Nae-Gyung" with his own medical experience. The results can be summarized as follows after studying his life and idea of medicine. 1. Jang Won-So, courtesy name is Gyeol-Go, came from Yeog-Joo and it is unknown that when he was born and dead, but he lived in 11C. At 27, after failed in a Jin-Sa examination, he started medical study, and widely spreaded his medical art by healing the Yoo Wan-So's Sang-Han disease. 2. There are many Jang Won-So's writings, such as "Eui-Hag-Gye-Won" which is the condensation of his idea of medicine, "Jin-Joo-Nang" which is greatly contributed to development of Herbology, "Jang-Boo-Pyo-Bon-Han-Yeol-Heo-Sil-Yong-Yag-Sig" which is the sample of Jang-Boo-Byun-Jeung-Lon-Chi, and "Yag-Joo-Nan-Gyung" "Gyeol-Go-Ga-Jin" "Gyeol-Go-Joo-Sug-Hwa-Mag-Gyeol" "Gyeol-Go-Bon-Cho" "San-Yog-Bo-Sang-Bang" which are known do not existing. 3. Jang Won-So's study about Jang-Boo-Byun-Jeung was influenced by "Nae-Gyung" "Jung-Jang-Gyung" "So-A-Yag-Jeung-Jig-Gyeol" etc. and outline by Han-Yeol-Heo-Sil and the change and prognosis of the state of disease can be decided by Saeng-Sa-Yeog-Soon, so he contribute to development of lang-Boo-Byun-Jeung-Lon-Chi of posterity. 4. Jang Won-So succeeded and develope the theory of the herbs of Oh-Jang-Go-Yog-Bo-Sa and about Ki-Mi-Seung-Gang-Boo-Chim etc. appeared on "Nae-Gyung", especially invented such as Kwi-Gyung-Lon, In-Gyeung-Bo-Sa-Seol, Jang Boo-Pyo-Bon-Yag-Sig and he enriched the content of pharmacological theory, so he motivated various development of herbalogical theory. 5. Jang Won-So's idea of On-Yang-Bi-Wi directly influence Lee Go's assertion of Bi-Wi-Lon, idea of Go-Geum-I-Gue-Seol presented theological basis of posterior medical practioners formation of prescription, so the way of drug usage greatly developed. 6. Jang Won-So's theory of the lang-Boo-Byun-Jeung and herbology directly influenced to Lee Go, Wang Ho-Go, Na Chen-Ik, lang Byeok etc. so he became the father of Yeog-Soo class and indirectly influenced to Seol Gi, Jo Hen-Ga, lang Gae-Bin, Lee Jung-Jae etc. of Myeng dynasty, so the On-Bo class has been formed. Like this, because, his idea of medicine developed at various aspect and greatly influenced to posterity, Lee Si-Jin said "Since the emergency of "Nae-Gyung", Jang Won-So is the only man who greatly enhance medical principle.", so it is clear that this is not unfounded expression at all.

• 한국지구과학회:학술대회논문집
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• 2005.09a
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• pp.396-397
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• 2005

• Journal of Korean Academy of Rural Health Nursing
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• v.4 no.1
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• pp.5-12
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• 2009

Purpose: The purpose of this study was to describe the prevalence of clonorchiais and analyze the knowledge level and intention of the participants to change their behavior related to clonorchiais. Method: The participants were 514 people from 7 community health posts along the Geum River. The formalin-esther sedimentation technique was used to detect the Clonorchis Sinensis (CS) eggs and a questionnaire for data on related factors. The study was carried on from December 2008 to January 2009. Results: The prevalence of CS averaged 9.3%, with a range from 0% to 24.6%. The significant factors were sex, habit of eating raw fish, and habit related to smoking and alcohol consumption. The level of knowledge was not high and not significantly different between the CS positive group and CS negative group. Intention to change their habits of eating raw fish showed various stages of change and attitudes to raw fish eating habit of others were not positive. Conclusions: These results suggest that a CS control program needs to be developed by community health services in the Geum River area to decrease the prevalence of clonorchiais.

• Proceedings of the KIEE Conference
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• 2000.07b
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• pp.1155-1158
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• 2000

This paper presents characteristics calculation method which do not need measurement and test results. This paper draws out every motor parameters for fundamental and harmonic frequencies from the given motor demensions, and presents new equivalent circuits. Using this new equivalent, this paper performs characteristics simulations, and this paper shows that the simulation results agree well with walues obtained obtained by actual load test.

• The Journal of the Korea Contents Association
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• v.21 no.5
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• pp.170-181
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• 2021

The purpose of this study is to produce the results of the cultural aspects of the Honam region and present the aesthetic specificity of the traditional dances inherited in the Yehyang Honam region. The research method examined the regional characteristics of Honam dance and the form of Lee Mae-bang, Choi Seon, Jang Geum-do, and Cho Gap-nyeo Salpuri dance, and analyzed the authenticity and dance tendencies of Honam dance through the analysis.The work of understanding the background of local culture and creating cultural values through these representative salpuri dances in Honam region is an attempt to reflect on the essential value of the region as an intangible heritage of the region.

• Proceedings of the KIEE Conference
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• 2000.07b
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• pp.1151-1154
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• 2000

Phase angle control ac drives system gains a high popularity due to their simple implementation despite the disadvantage of their poor input power factor especially for large values of phase delay angle. Furthermore it generates subharmononic current at specific phase angle. As input current of do drive systems are sinusoidal, the power factor and subharmonic current characteristics are improve. This paper presents the application of a PWM control technique of do chopper system to reduce the subharmonic current and its characteristics using single-phase dc chopper drive system of universal motor.

• Proceedings of the KIPE Conference
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• 2011.07a
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• pp.487-488
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• 2011

본 논문에서는 풍력발전용 전력변환기 내부 소자의 방열에 사용되는 수냉식 방열판의 관 형상을 제안한다. 최근 대용량 전력변환기는 소형화 및 효율성이 중요시 되고 있으며, 이에 따라 기구의 안정적이고 장기적인 운영을 위한 수냉식 방열설계가 필수적이라 할 수 있다. 수냉식 방열판는 다수의 원형관으로 구성되며, 이 원형관의 형상은 방열판의 열전달 성능에 직접적인 영향을 주게 된다. 따라서 본 논문에서는 열전달 촉진을 위한 방열판의 관 형상들을 모델링하고 열해석 시뮬레이션을 진행하여 모델링된 방열판들의 방열특성을 비교/분석하였다.

• Proceedings of the KIEE Conference
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• 2009.07a
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• pp.1084_1085
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• 2009

This paper proposes a novel maximum power point tracking(MPPT) control algorithm considering insolation to improve efficiency of PV system. The propoed algorithm is composed perturb and observe(PO) method and constant voltage(CV) method. PO method is simple to realize and CV method is possible to tracking MPP with low insolation. Response characteristics of proposed algorithm is compared to conventional PO method with insolation variation. This paper proves the validity of proposed algorithm through the analysis result.

• 대한방사선방어학회:학술대회논문집
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• 2010.04a
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• pp.54-55
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• 2010

• Ocean and Polar Research
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• v.30 no.4
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• pp.379-399
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• 2008

Spatial-temporal variations in physiochemical water qualities (temperature, salinity, DO, SPM, POC and nutrients) of surface and bottom waters were investigated along the mid-western coastal area (Taean Peninsula to Gomso Bay) of Korea. Spatial distribution patterns of temperature and salinity were mostly controlled by the physical mixing process of freshwater from Geum River and/or Gyunggi Bay with nearby coastal water. A strong tidal front is formed off Taean Peninsula during spring and summer. Seasonal variations in nutrient concentrations, lower in spring and summer and higher in fall and winter, are primarily regulated by magnitude of phytoplankton occurrence rather than freshwater loadings into the bay. Based on seasonal and spatial variability of physicochemical parameters, water quality of the study area can be divided into four water masses; Gyunggi Bay-influenced Water Mass (GBWM), Geum River-influenced Water Mass (GRWM), Yellow Sea Bottom Cold Water Mass (YSBCWM) and Cheonsu Bay Water Mass (CBWM). Water quality of the GBWM (Taean Peninsula coastal area), which has relatively low salinity and high concentrations of nutrients, is strongly controlled by the Gyunggi Bay coastal water, which is under influence of the Han River freshwater. In this water mass, the mixed layer is always developed by strong tidal mixing. As a result, a tidal front is formed along the offshore boundary of the mixed layer. Such tidal fronts probably play an important role in the distribution of phytoplankton communities, SPM and nutrients. The GRWM, with low salinity and high nutrients, especially during the flood summer season, is closely related to physiochemical properties of the Geum River. During the flood season, nutrient-enriched Geum River water mass extends up to 60 km away from the river mouth, potentially causing serious environmental problems such as eutrophication and unusual and/or noxious algal blooms. Offshore (<$30{\sim}40m$ in water depth) of the study area, YSBCWM coupled with a strong thermocline can be identified in spring-summer periods, exhibiting abundant nutrients in association with low temperature and limited biological activity. During spring and summer, a tidal front is formed in a transition zone between the coastal water mass and bottom cold water mass in the Yellow Sea, resulting in intensified upwelling and thereby supplying abundant nutrients to the GBWM and GRWM. Such cold bottom water mass and tidal front formation seems to play an important role in controlling water quality and further regulating physical ecosystem processes along mid-western Korean coastal area.