• Korean Journal of Food Science and Technology
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• v.3 no.1
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• pp.6-14
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• 1971

Crystalline Mucor rennin and Mucor rennet from Mucor pusillus var. Lindt was compared with Hansen's calf rennet in its properties as a milk clotting enzyme. The method of Gouda type cheese from domestic milk was established by using of Crystalline Mucor rennin and Mucor rennet. The cheese produced by using of Mucor rennet as a milk clotting enzyme sometimes had bitter taste, it can be reduced with using Crystalline Mucor rennin, instead of Mucor rennet. It was also found out that these cheeses could be colored by the pigment from Cape Jasmine which is wildly ubiquitous in Korea.

• International Journal of Highway Engineering
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• v.11 no.3
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• pp.121-128
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• 2009

This study has proposed the signal operating system to use both semi-actuated signal control and pedestrian push-button as a way to make up for the problems of 3 leg intersections which are operated inefficiently in the signal operation, one of the methods of traffic operations. In case of the semi-actuated signal control, it can reduce delay inside the intersection by serving to uncongested traffic on the main road where there is not much traffic volume on the secondary road and push-button signal can reduce unnecessary waiting time it could happen to vehicles by operating it though there is no pedestrian. Quantitative analysis was tried regarding the average delay reduction per vehicle using VISSIM, microscopic simulation program regarding how much effect it has compared with the existing signal control system and semi-actuated signal control system when the above two advantages are collected. The field test was performed for one three-leg intersection of Incheon. According to respectively signal control method pedestrian traffic changed and executed a sensitivity analysis. The result which compares the average delay time per a vehicle of scenarios, the signal control method of using the pedestrian push-button system in comparison with the fixed signal control method showed to decrease effect of a minimum 3.7 second (10%), a maximum 5.8 second (16%). When the pedestrian traffic volume was 20% or less of the measurement traffic volume, The signal control method of using the pedestrian push-button system appeared to be more efficient the semi-actuated signal control with object intersection.

• The Journal of the Korea Contents Association
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• v.11 no.7
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• pp.285-297
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• 2011

At recent years, juvenile crime that occurred, that young people have done incredibly cruel and serious intelligence community is making a serious scandal. The relationship between parents and youth crime under the influence of family environment factors and the hypothetical failure of school maladjustment and school factors due to contact with friends, around the area due to hazardous environment, local surroundings and social factors that committed a crime by were Juvenile crime in the real statistics on the rise again, starting the year 2005, and is increasingly young, violent crimes showed a high percentage increases. In order to prevent juvenile crime, these homes, schools, community work together to raise sustainable alternatives are needed. The police, as well as the maintenance of law and institutions, cooperation of youth organizations, increasing activity, such as removing harmful environmental youth leadership program, the flight needs to be improved. Today, juvenile crime is not simply a matter of police activities, school-linked program, police, community-linked programs, such as police comprehensive preparedness and commitment of the authorities is required.

• Journal of Korean Medical classics
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• v.18 no.1 s.28
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• pp.121-136
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• 2005

통적연구진사탁적장부오행병리급잡병오행병리적운용연구(通適硏究陳士鐸的臟腑五行病理及雜病五行病理的運用硏究), 득출이하결론(得出以下結論) : 진사탁인위진관폐금극간목(陳士鐸認爲盡管肺金克肝木), 단시약간중지화왕성(但是若肝中之火旺盛), 칙폐무법극간차치간화극토사장토수손(則肺無法克肝且致肝火克土使將土受損), 종이사비위무법생금이치폐금갱가쇠약(從而使脾胃無法生金而致肺金更加衰弱), 폐불능생수이수무법극화(肺不能生水而水無法克火), 도치상중하삼초지화균과왕(導致上中下三焦之火均過旺). 타인위간희소설(他認爲肝喜疏泄), 당약울체회사기극비위(?若鬱滯會使其克脾胃), 비위수극칙토극수(脾胃受克則土克水), 이신수손무법생목(而腎受損無法生木), 사간울갱심심화무법화생(使肝鬱更甚心火無法化生), 차폐역무법극목(且肺亦無法克木). 차시(此時), 응이해울법내치료(應以解鬱法來治療). 타인위수연토극수(他認爲雖然土克水), 단시토생수여금생수적관계갱위밀절(但是土生水與金生水的關係更爲密切), 이폐여신우위밀절차유상생적관계(而肺與腎尤爲密切且有相生的關係), 고지유신중지수충족(故只有腎中之水充足), 방가수화기제(方可水火旣濟). 타인위심위군화시유형지화(他認爲心爲君火是有形之火), 가용수극지(可用水克之), 이신중지화위무형지화(而腎中之火爲無形之火), 차가양수(且可養水). 타인위명문지화가생비토(他認爲命門之火可生脾土), 단약과왕칙무법생비토반이극토(但若過旺則無法生脾土反而克土). 차시(此時), 여기직접보신수(與其直接補腎水), 불여보폐금사금생수(不如補肺金使金生水), 차위보수적근본지법(此爲補水的根本之法). 진사탁재설명오장적병리기제시인위(陳士鐸在說明五臟的病理機制時認爲), 오장지화과왕칙회사상생관계변성상극관계(五臟之火過旺則會使相生關係變成相克關係), 이적의적화칙능유지정상적상생관계(而適宜的火則能維持正常的相生關係), 차즉사화불족역가유지상생(且卽使火不足亦可維持相生). 진사탁인위제료외감(陳士鐸認爲除了外感), 기호소유적잡병도이장부오행적상생(幾乎所有的雜病都以臟腑五行的相生), 상극(相克), 이급상관적관계위중심내설명료기병리(以及相關的關係爲中心來說明了其病理), 저일점성위료기학술사상적중요특점(這一點成爲了其學術思想的重要特點).

• Journal of the Korean Vacuum Society
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• v.7 no.1
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• pp.24-28
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• 1998

Pd/Ge ohmic contact system on n-type InGaAs was studied. A good ohmic begavior by rapid thermal annealing was shown up to $400^{\circ}C$, and the specific contact resistance was reduced to low-$10^-6\Omega\textrm{cm}^2$EX>. However, above $425^{\circ}C$ it was deteriorated by intermixing and phase reaction of ohmic metals and InGaAs substrate. No remarkable phase change was observed below $350^{\circ}C$, but the reaction was initiated at ~$375^{\circ}C$ and considerable phase change was found above $425^{\circ}C$. Non-spiking and planar interfaces were observed even when annealed at $425^{\circ}C$, and smooth and shiny surface was kept up to $400^{\circ}C$.

• Proceedings of the Korean Vacuum Society Conference
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• 2011.08a
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• pp.94-94
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• 2011

본 논문은 "차세대 반도체용 진공공정의 실시간 측정/진단/제어 기술개발"과제의 제 3 세부과제 "스마트형 진공 배기 진단 제어 시스템 개발"의 주요 연구 실적을 소개한다. 본 세부과제는 (1)진공펌프 및 배기 시스템의 다중 상태변수 측정 장치 개발, (2)공정별 펌프 상태 및 공정 조건 data base 구축 및 진단 알고리즘 개발(e-Diagnostics Level 2 FDC 수준), (3)공정별 펌프 상태 변수 측정을 통한 자기 진단 기술 개발(e-Diagnostics Level 2 FDC 수준), 그리고 (4)측정/통신 PMS (Pump Monitoring System) 개발(통신속도 56k bps 이상, e-Diagnostics Level 0~1)을 최종 목표로 추진되어 왔다. 첫 번째 주요실적은 진공배기시스템의 다중 상태변수 측정 및 평가 장치를 성공적으로 개발하였다. 본 장치는 현장에서 진공펌프의 배기속도를 3% 이내로 정밀하게 측정할 수 있는 소닉 노즐을 이용한 배기속도 측정 장치 및 기술을 성공적으로 개발 완료하였다. 그리고 측정 가능한 상태변수는 20종에 달하며 이들을 이용하여 진공펌프의 성능인자 15종과 특성치 9종을 종합적으로 평가할 수 있는 능력을 갖추었다. 두 번째 주요실적은 공정별 진공배기시스템의 자기진단 및 예지보수 기수 개발이다. 연구에서 개발된 적응형 인자모델을 이용한 상태진단 기술은 이미 학회 논문으로 소개되었으며 본 기법은 기존의 시계열 상태변수를 이용한 기존의 상태진단 기법보다 메모리 소요량을 100배로 줄였으며 그리고 연산양은 10% 이하로 줄인 획기적인 기법이라 할 수 있다. 세 번째 주요실적은 상태변수 측정, 통신, 제어 및 공정적응 기능 통합형(smart) PMS(pumper monitoring system) 개발이다. 본 장치는 CAN통신 기법을 새로이 채택하였으며 한 대의 PC로 64대의 단위 진공펌프들의 운전 상태변수를 실시간으로 수집할 수 있도록 하였다. 그리고 운전 중인 개별 진공펌프들의 운전 상태진단은 적응형 인자모델을 이용한 상태진단 기술을 응적용함으로써 매우 정확한 상태진단을 매 batch마다 수행할 수 있는 기능을 제공한다.

• Proceedings of the Korean Society of Propulsion Engineers Conference
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• 2007.04a
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• pp.281-285
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• 2007

The flow characteristics in the thruster should be analyzed considering its geometry and the pressure ratio to estimate its performance and etc. This paper suggests the computational result of an axisymmetric real nozzle for the altitude control of a satellite to find out the application limit that the assumption of continuum mechanics holds. The steady non-reacted compressible flow field in the unstructured grid system is computed and analyzed with varying the environmental pressure (or the degree of vacuum) under the fixed pressure ratio in a real thruster of which the area ratio of exit to throat is 56. The assumption of the continuum mechanics is not approved when the environmental pressure is reduced less than $10^{-3}$ atm.

• Journal of Music and Human Behavior
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• v.9 no.2
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• pp.1-17
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• 2012

The purpose of this study was to analyze data regarding the effects of group music therapy with adolescents. 27 master's, doctorial theses and published articles between 2000 and 2012 were selected for meta analysis. Subjects, independent variables, dependent variables, and the number of session were used to compare the effectiveness of group music therapy program. 49 effect sizes using means and standard deviation from 27 studies were calculated. The results were as follows. The overall mean effect size was -0.14, which is small size effect, according to Cohen's ES interpretation criteria. The mean ES was influenced by the subjects(adolescents/maladjustment students/addictive students/students in facility), the ES of adolescents was the biggest. However there were no significant difference among subjects. During the independent variables(active music therapy/receptive music therapy/combined music therapy), combined music therapy showed the biggest efficacy. When results were sorted by the dependent variables (social/emotional/behavior/cognitive category), the ES of behavioral category was the biggest. However, there was no significant difference among them. The ES of 11~15 session was the most effective.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.37 no.6C
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• pp.483-491
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• 2012

In vehicle-to-vehicle (V2V) communications, each vehicle should periodically disseminate a beacon message including the kinematics information, such as position, speed, steering, etc., so that a neighbor vehicle can better perceive and predict the movement of the vehicle. However, a simple broadcasting of such messages may lead to a low reception probability as well as an excessive delay. In this paper, we attempt to analyze the impact of the following key parameters of the beacon dissemination on the performance of vehicular networks: beacon period, carrier-sensing range, and contention window (CW) size. We first derive a beacon period which is inversely proportional to the vehicle speed. Next, we mathematically formulate the maximum beacon load to demonstrate the necessity of the transmit power control. We finally present an approximate closed-form solution of the optimal CW size that leads to the maximum throughput of beacon messages in vehicular networks.

• Journal of the Korean Society of Propulsion Engineers
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• v.7 no.2
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• pp.1-6
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• 2003

Triplet(FOF or OFO) injectors are commonly applied to liquid rockets which use LOX and hydrocarbon propellants. The FOF type injector has been known to have an advantage for the although to show lower combustion performance as compared by the OFO type. However, a large disparity between oxidizer and fuel orifice diameters of the FOF type injector may reduce both the combustion efficiency and stability so that as FOOF split triplet injector which splits a single oxidizer orifice into double orifices was designed. In the present study, spray characteristics of the FOOF injector were investigated and compared with those of the FOF injector undo. cold flow conditions. Mass distributions of oxidizer and fuel for both injectors were measured by using a PLLIF (Planar Liquid Laser Induced Fluorescence)technique, and each drop size was also measured by using an instantaneous photographic method. From the experimental results, we found out that FOOF shows more stable mixing efficiencies than the FOF. As for the drop size of both oxidizer and fuel, there was not a large difference between two injector types.