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새로 발견된 "찬도방론맥결집성(纂圖方論脈訣集成)" 판본 고찰
허종,안상우,Heo, Jong,Ahn, Sang-Woo 한국한의학연구원 2004 한국한의학연구원논문집 Vol.10 No.2
The uncovered edition of the book ${\ulcorner}$Chandobangronmackkyulgipsung(纂圖方論脈訣集成)${\lrcorner}$ was found. The first edition of the book ${\ulcorner}$Chandobangronmackkyulgipsung${\lrcorner}$ may publish right after the year 1581. We decided to study the found book thoroughly, because any difference with the existing edition wasn't found when we glanced over it. Therefore, let's study differences of the books which are the same contents but revised at different period, the found one was revised before the war (Japanese Invasion of Korea in 1592) and the existing one revised after the war. Two parts was considered for this studying. The first part is for studying differences of the books by bibliography, the second part is for studying differences of them by contents. The changes of the books between before and after the war (Japanese Invasion of Korea in 1592) will be found by this studying and also we can guess how the book ${\ulcorner}$Chandobangronmackkyulgipsung${\lrcorner}$ was written. Hence, the published age and characteristics of the book will be verified. This studying is for proving that it was revised before the war ImJinWaeRan which was before the year 1612.
허종만(J. M. Heo),함석우(S. W. Ham),이동춘(D. C. Lee),방희덕(H. D. Bang),조용철(Y. C. Cho) 유공압건설기계학회 2017 유공압건설기계학회 학술대회논문집 Vol.2017 No.11
In the aircraft hydraulic system, hydraulic reservoir is the very essential components, which can supply hydraulic oil to all kinds of hydraulic facilities such as flight control actuators, brake system, and so on. Normally, There are two kinds of hydraulic reservoir. One is pressurized reservoir and the other is non-pressurized. On the other hand, according to SAE AS5586 which is aerospace engineering specification, the types of reservoirs should be divided into 5 kinds of types from type A to type E. Among them, in case of type D(non-separated, gas pressurized) and type E(non-separated, non-pressurized), the hydraulic oil movement in them could not be limited so that the oil is fluctuated according to flight condition or gravity. Sometimes, the 0il moves against gravity. As the result of successive and excessive sloshing, the wall of reservoir could be shocked or damaged . From time to time, the fracture of reservoir could be generated. Because of the safety reason, the key study of this paper is to avoid the fracture problem. Therefore, in this paper, it is analized the natural frequency of the fluid by analyzing the sloshing phenomenon of the internal fluid and by analyzing the natural frequency of the reservoir, it checks the mutual resonance to design a safe structure that does not cause excessive sloshing. It has its aim.
유무선 기반 홈 네트워크의 관리 및 모니터링을 위한 툴 개발
허종만(Jongman Heo),하재열(Jae Yeol Ha),김남훈(Namhoon Kim),이감록(Kamrok Lee),최해술(Haesool Choi),정범진(Bum-jin Jung),권욱현(Wook Hyun Kwon) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
최근 홈 네트워크 환경에서는 이더넷, 전력선 등의 유선 매체와 함께 IEEE 802.11, IEEE 802.15.4 등의 무선 매체 등이 함께 사용되고 있다. 본 논문에서는 유무선 통합 홈 네트워크 환경에서 제어 및 감시 네트워크를 관리하고 모니터링하기 위한 S/W 기능 및 설계에 대해 제안한다. 전체 시스템은 전력선 기반의 네트워크에서 IEEE 802.15.4 및 RF 무선 네트워크 시스템이 통합되어 이루어지며, 로컬 및 원격 네트워크 환경에서 접근하기 위한 방법 또한 제안한다.
X-선 광전자 분광법(XPS)을 이용한 $PbO-Bi_2O_3-Ga_2O_3$계 적외선 투과 유리의 구조해석
허종,김춘곤,김유성,Heo, Jong,Kim, Choon-Gon,Kim, You-Song 한국세라믹학회 1993 한국세라믹학회지 Vol.30 No.11
X-ray photoelectron spectroscopy(XPS) has been empolyed to investigate the structure of PbO-Bi2O3-Ga2O3 glasses. XPS OIS spectra recorded from binary PbO-Ga2O3 glasses clearly showed the presence of two peacks due to bridging and non-bridging oxygens, respectively. Gaussin best-fit deconvolution of the OIS peaks suggested there are substaintial amount of non-bridging oxygens in the structure. Therefore, in addition to the glassforming and charge compensating roles of PbO as suggested from the previous works, role of PbO as network modifiers needs to be considered. Addition of Bi2O3 to binary glasses resulted in the rapid decrease in the amount of non-bridging oxygens as well as in values of FWHM (Full Width at the Half Maximum intensity). It is believed that Bi2O3 form distorted BiO6 octahedra and therefore, work as intermediates. Infrared spectra also suggested that Ga2O3 behave as network-formers in the form of GaO4- tetrahedra.
허종만(Heo, Jong Man),이영수(Lee, Young Soo) 한국부동산원 2018 부동산분석 Vol.4 No.1
본 연구에서는 주택대출금리, 주택가격, 주택거래량의 3변수로 구성된 VAR 모형을 사용하여 이자율 변동이 주택시장에 미치는 영향을 분석하였다. 이자율 충격의 식별은 부호제약 방식을 이용하였으며, 충격반응함수와 예측오차분산분해를 통해 이자율 변동의 파급효과를 살펴보았다. 데이터 기간은 2008년 1월부터 2017년 6월까지이다. 분석결과는 다음과 같다. 첫째, 이자율 충격에 따른 효과는 단기적으로 주택가격보다는 주택거래량에서 크게 나타나고 있다. 주택대출금리가 0.25%p 상승하는 경우, 주택거래량은 2개월 뒤 11.9∼13.5%까지 감소하며, 주택가격은 4∼5개월 뒤 1.3∼1.7%까지 하락한다. 둘째, 주택거래량 감소효과는 6∼8개월 이후 사라지는 반면, 주택가격 감소효과는 사라지지 않는다. 셋째, 장기적인 관점에서, 이자율 충격의 비중은 주택가격변동에서 26.2∼28.7% 그리고 주택거래량변동에서 19.1∼21.4%이며, 주택대출금리 변동에서 주택시장의 충격이 차지하는 비중은 38.1∼43.5%이다. This paper analyzes the effects of interest rate change on the Korean housing market. We construct a VAR model comprising mortgage rate, housing price, and housing transaction volume. And we identify the interest rate shocks by means of sign restrictions, and analyze the effects with the help of impulse response functions and forecast error variance decompositions. Data covers the period from January 2008 to July 2017. The results of analysis are as follows: First, the short-term impact of interest rate shocks are found to be bigger on housing transaction volume than on housing price. If the mortgage rate rises 0.25%p, housing transaction volume declines up to 11.9~13.5% after two months, while housing price drop up to 1.3~1.7% after 4~5 months. Second, while the effects of a decline in housing transaction volume disappear after 6~8 months, the effects of a drop in housing price do not disappear. Third, in the long run, interest rate shocks account for 26.2~28.7% of housing price volatility, and 19.1~21.4% of variation in housing transaction volume, while housing market shocks account for 38.1~43.5% of mortgage rate volatility.
이종 제어 네트워크를 위한 모니터링 소프트웨어의 설계 및 구현
허종만(Jongman Heo),하재열(Jae Yeol Ha),김남훈(Namhoon Kim),전요셉(Joseph Jeon),이감록(Kamrok Lee),정범진(Bum Jin Chung),권욱현(Wook Hyun Kwon) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
XCP (eXtensive Control Protocol) is an information oriented protocol which delivers information with high reliability according to the predefined rule. XCP network system can be implemented on top of several physical layer such as power Line, IEEE 802.15.4 and so on. In this paper, a monitoring software that evaluates the reliability and performance of the XCP network is designed and implemented. This paper presents the structure and method of the packet monitoring in the network through several interfaces such as RS-232, ethernet.