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      • 『藥徵』에 나타난 茯苓證에 대한 고찰

        김형운,강연석,맹웅재 한국의사학회 2009 한국의사학회지 Vol.22 No.2

        Yoshimasi Todo (吉益東洞), who thought that the books on herbal medicines are the reason for the complicated explanation of the effects of herbs, thought that the articles from Treatise on Cold Damage Diseases (傷寒論) and Synopsis of Prescriptions of the Golden Chamber (金匱要略) are the only books that can identify the effects of herbs. He also thought that the practitioners from the later period have added too much on the original text, which led to his thought that the original text of Treatise on Cold Damage Diseases (傷寒論) and Synopsis of Prescriptions of the Golden Chamber (金匱要略) did not have the explanation that involves the theory of yin-yang(陰陽), the five phases(五行), and three yin and three yang(三陰三陽). From this, he investigated the standards of using the herbs in the Synopsis of Prescriptions of the Golden Chamber (金匱要略) by comparing the articles. In this point of view, Yoshimasi Todo (吉益東洞) said that Poria Scleotium (茯笭) treats palpitations (悸) and 肉瞤筋惕. This meant the symptom of unvoluntary palpitations and the trembling of muscles with wrenching pain. Also, he thought that the symptom of Poria Scleotium (茯笭) in the formula of decoction is shown by the symptoms of dizziness, palpatations, vomiting, trembling of muscles, and cramps. This paper studies on the symptoms that seems close to the meaning of the symptom of Poria Scleotium (茯笭) that Yoshimasi Todo (吉益東洞) meant, which can be summarized to palpatations and trembling of muscles. I wish this paper is of help to those who study Treatise on Cold Damage Diseases (傷寒論), Synopsis of Prescriptions of the Golden Chamber (金匱要略), and the medicine of Yoshimasi Todo (吉益東洞). Yoshimasi Todo (吉益東洞), who thought that the books on herbal medicines are the reason for the complicated explanation of the effects of herbs, thought that the articles from Treatise on Cold Damage Diseases (傷寒論) and Synopsis of Prescriptions of the Golden Chamber (金匱要略) are the only books that can identify the effects of herbs. He also thought that the practitioners from the later period have added too much on the original text, which led to his thought that the original text of Treatise on Cold Damage Diseases (傷寒論) and Synopsis of Prescriptions of the Golden Chamber (金匱要略) did not have the explanation that involves the theory of yin-yang(陰陽), the five phases(五行), and three yin and three yang(三陰三陽). From this, he investigated the standards of using the herbs in the Synopsis of Prescriptions of the Golden Chamber (金匱要略) by comparing the articles. In this point of view, Yoshimasi Todo (吉益東洞) said that Poria Scleotium (茯笭) treats palpitations (悸) and 肉瞤筋惕. This meant the symptom of unvoluntary palpitations and the trembling of muscles with wrenching pain. Also, he thought that the symptom of Poria Scleotium (茯笭) in the formula of decoction is shown by the symptoms of dizziness, palpatations, vomiting, trembling of muscles, and cramps. This paper studies on the symptoms that seems close to the meaning of the symptom of Poria Scleotium (茯笭) that Yoshimasi Todo (吉益東洞) meant, which can be summarized to palpatations and trembling of muscles. I wish this paper is of help to those who study Treatise on Cold Damage Diseases (傷寒論), Synopsis of Prescriptions of the Golden Chamber (金匱要略), and the medicine of Yoshimasi Todo (吉益東洞).

      • 해수 전기분해용 대전류 정류기의 설계 및 시뮬레이션

        김형운(Hyung-Woon Kim),김진영(Jin-Young Kim),조원우(Won-Woo Cho),김인동(In-Dong Kim),노의철(Eui-Cheol Nho),배상범(Sangbum Bae),고강우(Gangwoo Goh),강부녕(Bunyung Kang) 전력전자학회 2009 전력전자학술대회 논문집 Vol.2009 No.2

        The plating equipment, water treatment system, electrolysis facility, etc need the high current and high power rectifier for their original purposes. So the paper investigates the applicable types of rectifiers and carries out their comparisons, and also suggest the practical design guidelines for a suitable candidate rectifier for low voltage high current high power applications.

      • 저전압 대전류용 인버터 방식의 정류기 설계

        김형운(Hyung-Woon Kim),김진영(Jin-Young Kim),정재헌(Jae-Heon Jung),석진규(Jin-Kyu Suck),김인동(In-Dong Kim),노의철(Eui-Cheol Nho),김홍근(Heung-Geun Kim) 전력전자학회 2009 전력전자학술대회 논문집 Vol.2009 No.1

        The plating equipment, water treatment system, electrolysis facility, etc need the high current and high power rectifier for their original purposes. So the paper investigates the applicable types of rectifiers and carries out their comparisons, and also suggest the practical design guidelines for a suitable candidate rectifier for low voltage high current high power applications.

      • KCI등재

        학령 전 어린이의 교합력과 구순 폐쇄력

        조나영,김형운,김재곤,백병주,양연미,Cho, Nayoung,Kim, Hyeongun,Kim, Jaegon,Baik, Byeongju,Yang, Yeonmi 대한소아치과학회 2015 大韓小兒齒科學會誌 Vol.42 No.3

        The aim of this study was to determine the bite force and lip closing force in preschool children and to analyze the correlation between these forces by age, height and weight, respectively. Data were obtained from 98 children (56 males, 42 females) ranging from 3 to 6 years of age. The magnitude of the bite force was measured bilaterally corresponding with the 2nd primary molars using a bite force gauge, $GM10^{(R)}$ (Nagano Keiki) and the force of lip closure was measured using LIP DE $CUM^{(R)}$ (Cosmo Instruments). The averages of bite force for boys and girls were 217.69 N and 205.05 N, respectively. The relationship between bite force with age, height, and weight present significant positive correlation (p < 0.001, p < 0.001, and p < 0.001, respectively). The averages of lip closing force for boys and girls were 4.81 N and 4.07 N respectively. The relationship between lip closing force with age, height, and weight present significant positive correlation (p < 0.001, p < 0.001, and p < 0.001, respectively). No significant differences were observed between boys and girls (p > 0.05) in both forces. A significant correlation was observed between lip closing force and bite force (p = 0.002). 본 연구는 학령 전 어린이의 정상적인 교합력과 구순 폐쇄력을 알아보기 위한 목적으로 수행되었다. 3-6세의 어린이 98명을 대상으로 하였고, 60명의 성인을 대조군으로 교합력과 구순 폐쇄력을 측정하였다. 좌우측 평균 교합력은 남아에서 217.69 N, 여아에서 205.05 N이었고, 평균 구순 폐쇄력은 남아에서 4.81 N, 여아에서 4.07 N이었다. 어린이는 연령이 증가함에 따라 교합력, 구순 폐쇄력 모두 증가하는 경향을 보였고, 성별에 따른 유의한 차이는 없었다. 성인에서는 교합력과 구순 폐쇄력 모두 남성이 여성보다 유의하게 큰 값을 보였다. 교합력과 구순 폐쇄력은 연령, 신장, 체중 모두에 대해 통계학적으로 유의한 양의 상관관계를 보였다. 그리고 어린이의 교합력과 구순 폐쇄력은 유의한 양의 상관관계를 나타내었다. 이상의 연구 결과 얻어진 정상적인 교합력 및 구순 폐쇄력은, 비정상적으로 낮은 값을 보이는 어린이를 감별하여 훈련을 통해 정상적인 성장을 유도하는데 사용될 수 있을 것이다.

      • SCOPUSKCI등재

        PSC 박스 거더 철도교량의 해석 및 스트럿-타이 모델에 의한 격벽부 설계

        송하원,김형운,김영훈,변근주,Song, Ha-Won,Kim, Hyoung-Woon,Kim, Young-Hoon,Byun, Keun-Joo 한국철도학회 1998 한국철도학회논문집 Vol.1 No.1

        The functions of diaphragms at abutments and piers of PSC box girder railway bridge are to transfer forces from the superstructure onto bearings or columns and to stiffen the superstructure cross-section against in -plane deformation. Due to stress disturbance at diaphragm, the design for the diaphragm using conventional design method is relatively irrational than those for other structural members. And, due to contribution to boundary condition of deck slab by the diaphragm, the behavior of deck slab near the diaphragm is different from that of the deck slab obtained from two dimensional analysis of the bridge, which is basis for the design of deck slab. In this paper, three dimensional behavior of deck slab near the diaphragm of prestressed concrete (PSC) box girder railway bridge constructed by the precast span method are analyzed by using three dimensional finite element modeling and using the strut-and-tie model design of the diaphragm are presented. The modeling techniques used in this paper can be applied effectively to examine the causes of cracks at deck slab near diaphragm and to design diaphragm rationally.

      • DDPM-DEM을이용한분체유동전산해석

        조영광,김형운,윤정림,주영철 순천향대학교 부설 산업기술연구소 2020 순천향 산업기술연구소논문집 Vol.26 No.1

        For many processes using powder still have control capability at the level of an integer unit gram. For this reason, it is only used in packaging processes because it can't be applied directly to production processes. If applied directly to the production process, it's possible to improve yield of product and reduce production cost by reducing the process. Also, there are no more concerns about the outflow of the powder, contamination and soiling. Powder flow was analyzed by using DDPM-DEM(Dense Discrete Phase Model-Discrete Element Method) with ANSYS Fluent to improve the inaccurate reproducibility of experiments and to control the powder quantitatively to decimal level.

      • KCI등재

        상악 왜소측절치와 치아발육장애에 관한 연관성 조사 : 방사선학적 연구

        김재환,고영한,김형운,양연미,백병주,김재곤 大韓小兒齒科學會 2014 大韓小兒齒科學會誌 Vol.41 No.3

        The purpose of this study was to find out prevalence of peg-laterals and to evaluate the frequency of dentalanomalies in Korean children with peg-laterals. For this study, panoramic radiographs of 3,278 patients (aged 7to 15 years) from the Department of Pediatric Dentistry admitted from January, 2008 to January, 2013 wereselected for an investigation on peg-laterals distribution. The prevalence of peg-laterals was 2.62% (86 subjects). Among the peg-laterals children, the distribution ofassociated dental anomalies were as follows: congenitally missing teeth (29.1%), dens invaginatus (19.8%),impacted teeth (12.8%), supernumerary teeth (9.3%), and transposition (4.7%). Due to this study showing frequent occurrences of peg-laterals with other dental anomalies, one suggestion isto consider such relationships before deciding on a diagnosis and treatment plan. 이 연구는 2008년 1월부터 2013년 1월까지 전북대학교 치과병원 소아치과에 내원한 만 7~15세 사이 환자 중 파노라마 방사선사진을 촬영한 23278명(남자 1814명, 여자 1464명)의 환자를 대상으로 상악 왜소측절치의 유병률 및 상악 왜소측절치와 연관된 치아발육장애의 발생빈도에 관하여 조사하였다. 상악 왜소측절치의 유병률은 2.62%(86명)로 나타났고 남자 47명, 여자 39명으로 남자에서 약간 높았다. 상악 왜소측절치를 가진 환자 중 발생빈도가 높게 나타난 치아발율장애는 선철성 치아결손 29.1%, 치대치 19.8%, 매복치 12.8%, 과잉치 9.3%, 전위 4.7% 순으로 나타났다. 이로서 상악 왜소측절치는 다른 치아발육장애와 동반되어 나타나는 경우가 많았으므로 진단 및 치료계획 수립 시 이를 고려해야 할 것으로 생각한다.

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