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고등학교(高等學校) 재학생(在學生)들의 비합리적(非合理的) 신념(信念)과 정신병리(精神病理)
김상훈,최훈동,김학렬,Kim, Sang-Hoon,Choi, Hoon-Dong,Kim, Hack-Ryul 한국정신신체의학회 1995 정신신체의학 Vol.3 No.1
The purpose of this study is to investigate the relationship between irrational belief and psychopathology. The Korean version of Symptom Check List-90-R and Irrational Belief Test were administered to 621 high school students in group. The author used Pearson correlation coefficiency and multiple regression analysis to seek the regression patterns of the irrational belief. The results were as follows. 1) Most of the subscales of the SCL-90-R and Irrational Belief Test were correlated significantly. 2) In multiple regression analysis, the irrational belief associated with anxious overconcern was the most predictable variable for psychopathology.
김상훈,김세계,정경화,윤성녀,김윤기,김민철,류삼곤,이해완,채영규,Kim, Sang Hoon,Kim, Se Kye,Jung, Kyoung Hwa,Yoon, Sung Nyo,Kim, Yun Ki,Kim, Min Cheol,Ryu, Sam Gon,Lee, Hae Wan,Chai, Young Gyu 한국군사과학기술학회 2015 한국군사과학기술학회지 Vol.18 No.4
Decontamination of biological agents utilizes hydrogen peroxide($H_2O_2$) for its effectiveness and safeness. Bacillus anthracis is a major target for $H_2O_2$ decontamination. To assess the effect of $H_2O_2$ on B. anthracis and identify biomarkers for decontamination, whole transcriptomic profiling of $H_2O_2$-treated B. anthracis was performed. Here we identified deregulation in stress response genes, transcription factors and cellular homeostasis genes. We also found that expression of antisense RNAs increased in B. anthracis during decontamination. We postulate that B. anthracis prioritizes survival and adaptation in response to $H_2O_2$ treatment by changing its gene expression pattern.
슬관절 전치환술에서 후방 안정 임플란트의 오정렬이 경골 기둥에 미치는 영향
김상훈,안옥균,배대경,김윤혁,김경수,이순걸,Kim, Sang-Hoon,Ahn, Ok-Kyun,Bae, Dae-Kyung,Kim, Yoon-Hyuk,Kim, Kyung-Soo,Lee, Soon-Gul 대한의용생체공학회 2007 의공학회지 Vol.28 No.1
Recently, it has been reported that the posterior stabilized implant, which is clinically used for the total knee replacement (TKR), may have failure risk such as wear or fracture by the contact pressure and stress on the tibial post. The purpose of this study is to investigate the influence of the mal alignment of the posterior stabilized implant on the tibial post by estimating the distributions of contact pressure and von-Mises stress on a tibial post and to analyze the failure risk of the tibial post. Finite element models of a knee joint and an implant were developed from 1mm slices of CT images and 3D CAD software, respectively. The contact pressure and the von-Mises stress applying on the implant were analyzed by the finite element analysis in the neutral alignment as well as the 8 malalignment cases (3 and 5 degrees of valgus and varus angulations, and 2 and 4 degrees of anterior and posterior tilts). Loading condition at the 40% of one whole gait cycle such as 2000N of compressive load, 25N of anterior-posterior load, and 6.5Nm of torque was applied to the TKR models. Both the maximum contact pressure and the maximum von-Mises stress were concentrated on the anterior-medial region of the tibial post regardless of the malalignment, and their magnitudes increased as the degree of the malalignment increased. From present result, it is shown that the malalignment of the implant can influence on the failure risk of the tibial post.
과산화수소 증기를 이용한 다양한 쿠폰 표면의 Geobacillus Stearothermophilus 아포 제독조건
김상훈,정경화,김세계,채영규,김윤기,황현철,김민철,박명규,류삼곤,Kim, Sang Hoon,Jung, Kyoung Hwa,Kim, Se Kye,Chai, Young Gyu,Kim, Yun Ki,Hwang, Hyun Chul,Kim, Min Cheol,Park, Myung Kyu,Ryu, Sam Gon 한국군사과학기술학회 2013 한국군사과학기술학회지 Vol.16 No.4
Biological decontamination means the removal of microorganisms from the inanimate object such as building or equipment. In this study, hydrogen peroxide vapor efficacy test using VHP 1000ED system(Steris LifeSciences) were conducted for G. stearothermophilus spore with agent materials(aluminum, stainless steel, poly-carbonate, viton, silicone, kapton and glass). Total recovered spores exposed to hydrogen peroxide vapor(1.0 g/min) during 7, 15, 30, 60 min were calculated. As a result, all agent materials were totally decontaminated within 60 min at 1.0 g/min concentration with 35% hydrogen peroxide vapor. Finally, we could confirmed that hydrogen peroxide vapor possess sporicidal capacity of G. stearothermophilus and found the optimum decontamination conditions with VHP1000ED system.
김상훈(Sang Hoon Kim) 한국복음주의신약학회 2007 신약연구 Vol.6 No.1
The New Testament Greek is often a compulsory pre-requisite course in theological seminary education. Although it becomes heavy burden to most students who take the course, spending much time to learn to read the NT in Greek, most of them fail to maintain their Greek after graduation. I think we need to advance some useful tool for Greek study, particularly from the pedagogical point of view, such as a syntactic-semantic arranged method contributed by Johannes Louw, Douglas Stuart, Walter Kaiser, Gordon Fee, William Mounce, and others. These sorts of methods differ from the traditional way of interpretation, the grammatical-historical method, in terms of how to approach the text. The texts arranged for the purpose of visualization, letting the reader to see the text with much clarity in terms of grammatical function of each phrase and their connections between them. The visualized arrangement itself is applied from the area of syntax and semantics in modern linguistics. There are various types of syntactic arrangements of the Greek text. Each pattern has its own principles and rules to be arranged in certain ways. I have compared, in this paper, those models of syntactic arrangements to my model, the Kim's diagram. For the purposes of this paper, I have posed several questions to my students in my classes, regarding their experiences on the syntactic-analytic arrangement of the Greek Bible (SAGB) and their practical uses of both the method and its materials, analyzing their questions in order to show up how much this type of study to be needed for the student
Seismic Performance of Transportation Networks
김상훈,김종인,Kim, Sang-Hoon,Massanobu, Shinozuka,Kim, Jong-In Earthquake Engineering Society of Korea 2004 한국지진공학회논문집 Vol.8 No.3
본 연구는 캘리포니아 내 고속도로망을 대상으로 지진발생 후 교통흐름의 변화를 평가하는 기법에 대하여 이루어졌으며, 고속도로망 상에 위치한 교량의 손상정도가 평가기법의 가장 기본적인 요소로 사용되었다. 본 연구에 사용된 교량의 지진취약도는 PGA 또는 PGV의 함수로 나타내어졌고, 1994년 Northridge 지진과 일련의 시나리오 지진에 대하여 교통망 손상 평가를 수행하였다. 또한 교량 보수 및 보강 후 교통망에 대한 피해정도를 정량화하기 위해 확률모델을 개발하였으며, 그 피해정도는 시간(Drivers Delay)으로 나타내었다. 본 연구가 캘리포니아를 대상으로 이루어져 국내적용 및 활용가능성에 대해서는 후속 연구가 뒤따라야 할 것으로 사료된다. This paper describes a method of evaluating seismic system performance of highway transportation network in California. The basic element that plays a crucial role in this study is the fragility information of highway bridges in Caltrans' (California Department of Transportation) freeway network. The bridge fragility information is expressed as a function of the ground motion intensity, such as peak ground acceleration (PGA) or peak ground velocity (PGV). Network damage was evaluated under the 1994 Northridge earthquake and scenario earthquakes. A probabilistic model was developed to determine the effect of repair of bridge damage on the improvement of the network performance as days passed after the event. As an example, the system performance degradation measured in terms of an index, “Drivers Delay”, is calculated for the Los Angeles area transportation system, and losses due to Drivers Delay with and without retrofit were estimated.
김상훈,박내춘,Kim, Sang-Hoon,Park, Nae-Chun 강원대학교 산업기술연구소 2011 産業技術硏究 Vol.31 No.2
In this paper a new PFC Controller for 3-Phase Modular UPS(Uninterruptible Power Supplies) is proposed. The PFC circuit for 3-Phase Modular UPS is implemented using three 1-phase 3-level boost PFC circuits. To control DC output voltage, single voltage controller considering imbalance of two capacitor voltages and to regulate AC input current three independent current controllers are used in proposed PFC controller. By the proposed method, without additional hardware, THD(Total Harmonic Distortion) of input currents can be readily limited below 5% which is the harmonic current requirements by IEEE std. 519. Its validity is verified by simulations and experiments.
용접 열영향부 미세조직 및 재질 예측 모델링: V. 저합금강의 초기 오스테나이트 결정립크기 및 냉각 속도의 영향을 고려한 용접 열영향부 상변태 모델
김상훈,문준오,이윤기,정홍철,이창희,Kim, Sang-Hoon,Moon, Joon-Oh,Lee, Yoon-Ki,Jeong, Hong-Chul,Lee, Chang-Hee 대한용접접합학회 2010 대한용접·접합학회지 Vol.28 No.3
In this study, to predict the microstructure in weld HAZ of low alloyed steel, prediction model for the phase transformation considering the influence of prior austenite grain size and cooling rate was developed. For this study, six low alloyed steels were designed and the effect of alloying elements was also investigated. In order to develop the prediction model for ferrite transformation, isothermal ferrite transformation behaviors were analyzed by dilatometer system and 'Avrami equation' which was modified to consider the effect of prior austenite grain size. After that, model for ferrite phase transformation during continuous cooling was proposed based on the isothermal ferrite transformation model through applying the 'Additivity rule'. Also, start temperatures of ferrite transformation were predicted by $A_{r3}$ considering the cooling rate. CCT diagram was calculated through this model, these results were in good agreement with the experimental results. After ferrite transformation, bainite transformation was predicted using Esaka model which corresponded most closely to the experimental results among various models. The start temperatures of bainite transformation were determined using K. J. Lee model. Phase fraction of martensite was obtained according to phase fractions of ferrite and bainite.
김상훈,박내춘,Kim, Sang-Hoon,Park, Nae-Chun 강원대학교 산업기술연구소 2013 産業技術硏究 Vol.33 No.1
This paper is about the development of 80[kW] IPMSM(Interior Permanent Magnet Synchronous Motor) drive system for an electric vehicle. MTPA(Maximum Torque per Ampere) operation and flux-weakening operation for the optimal torque control of the IPMSM are presented. In this system, the torque control of the IPMSM is achieved by using the look-up table, which gives d- and q-aixs current references for the given torque command in the MTPA operation and flux-weakening operation regions. This look-up table is made by current injection tests, and from which the motor parameters are also estimated. The proposed system is verified by the experiment on the electric vehicle drive system, which consists of an 80[kW] IPMSM and an IGBT inverter.