• Title/Summary/Keyword: Evalution

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Studies on the Ginseng Wine (발효 인삼주에 관한 연구)

  • 안용근;이석건
    • The Korean Journal of Food And Nutrition
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    • v.9 no.2
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    • pp.151-159
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    • 1996
  • To develop a ginseng wine, the brewing conditions and sensory evalution of the wine were studied. The ginseng, ginseng marc and red ginseng marc can be made into wine by ethanol fermentation with Saccharomyces cerevisae. The results showed that the higher ginseng concentration was, the faster the brewing velocity became. The ginseng marc wine brewed with 10% ginseng marc and 25% sugar was a great favorite The results from the mixture of ginseng and ginseng marc revealed that the mute the content of ginseng was, the faster the velocity of brewing became. It took 27 days for a wine from 10% ginseng marc to be brewed Into 12% ethanol, 10% ginseng took 10days and red ginseng took 15 days. Among these, a wine from 10% ginseng was superior to others in flavor, color and taste. And the wine from 6.7% red ginseng was favorite. Contents of the favorite wine from ginseng marc were 80mg/ml of reducing sugar, 2.6 of acidity, 12% of ethanol, 28mg/ml of saponin, and it's pH was 3.5. Contents of the favorite wine from red ginseng marc were 58mg/ml of reducing sugar, 2.8 of acidity, 12% of ethanol, 44mg/ml of saponin, and it's pH was 2.8.

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Evalution Study on The Agri.-cum-Industrial Region Development Projects, Contributed to The Regional Developments in Kyungpook area (경북지역 농촌공업화 단지조성사업이 지역개발에 기여하는 영향평가)

  • 서승덕;천만복;윤학기;윤경식
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.32 no.4
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    • pp.45-52
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    • 1990
  • Government has propelled strongly the Agricultural - cum - Industrial region development project in the nation wide. This project will not only provide employment opportunity for rural inhabitants, but also be designed to activate the rural economy. In addition, it will lead to a balanced development between the urban and rural areas. Under this project, building sites of 3 to 30 hactres will be established in the rural area in order to settle factories which are suitable to the rural condition. In this report, the researches which relating to the achievement conditions of planning, design and constructions of the building sites and the contribution conditions of Agri. - cum - Industrial Region development projects, activated to the rural economy and regional development in the Kyungpook regional areas, were surveyed and studied. On the average evaluation studies the results are as follows : 1. The achievement conditions of the planning, design and construction of the building sites. Very good 27.0 % Good 47.0 % Fair 24.0 % Poor 2.0 % 2. The contribution conditions of the Agri - cum - Industrial factories managements. Very good 17.0 % Good 41.0 % Fair 32.0 % Poor 10.0 %

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A Study on the Correlation between Shiphandler's Subjective Evalution and Maneuvering Risk in Curved Narrow channel (굴곡된 협수로 통항에서 조선자의 주관적 위험감지도와 조종위험도와의 상관 관계에 관한 기초 연구)

  • 이동섭;윤점동;정태권
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.2 no.S1
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    • pp.63-73
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    • 1996
  • The assesment of the safety of ship's transit in a curved narrow channl consists of the maneuvering safety determined by the chance of running aground, the maneuvering difficulty determined by shop's workload, and shiphandler's subjective evaluation. In this study to examine the correlation between shiphandler's subjectice evaluation and the maneuvering risk, the real-time and full-mission shiphandling simulator in the Korean Marine Training & Research Institutes(KMTRI) was utilized. In the conning bridge of the shiphandling simulator, 50 experienced masters conducted masters conducted the modeled vessel of 60,000 deadweight tonnage along the designed channel under 3 different envrinmental conditions. The findings were as follows: (1) The frequencies of stress levels, work difficulties, vessel controllability and overall workload of shiphandlers are similar irrespective of environmental conditions and they are able to be represented as shiphandler's subjective evaluation. (2) It is possible to assess and analyze theoretically the correlation between the shiphandler's subjective ecaluation and maneuvering risk each environmental cindition by quantifying the data obtioned from the tests. The results are as follows: ① As the degree of maneuvering risk increases, the shiphandler's subjective evaluation increases sharply near the curvature area of the desgined channel. ② In the area of the curvature of the designed channel, maneuvering risk increases sharply with the danger of running aground under the environmental condition of current and wind comung from the stem.

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Modeling and Evaluation of Wireless Communication System using CSMA inthe Distributed Packet Radio Network (분산 무선망에서 CSMA를 사용한 무선 통신 시스템의 모델링 및 성능 분석)

  • 조병록;최형진;박병철
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.18 no.10
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    • pp.1508-1517
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    • 1993
  • In this paper, we propose the modeling of a wireless communication system using CSMA protocol, present analytical evalution and simulation as a function of arrival rate and mean END-to-END delay in the distributed packet radio network. Asynchronous 1-persistent CSMA protocol is used in wireless communication system with half duplex. We assume that all terminals are to be in the close range of each other, suitably located in the local area. The traffic presented to a common channel is assumed to be poisson distribution. Analytical model is based on a M/D/1 with breakdown. In conclusion for wireless network model proposed in this paper is suitable for packet arrival rate of 2 packet/sec with mean packet delay time less than 2 times the packet transmission time.

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Practical Vibration Analysis for the Floor of Dwelling Building (공동주택 바닥판에 대한 실용적인 진동해석)

  • Park, Kang-Geun;Kim, Yong-Tae;Choi, Young-Wha
    • Journal of Korean Association for Spatial Structures
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    • v.6 no.1 s.19
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    • pp.65-73
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    • 2006
  • In these days the floor vibration is beginning to make its appearance of the environmental dispute in dwelling building. Standard floor system are suggested for the settlement of this issue by government. The sound of floor impact sound is needed to secure comfortable quality in housing. Also, it is required an accurate analysis and a proper evaluation for floor vibration. Refine model is necessary for the floor system of housing to analyze accurately the floor vibration. But this refine model is not efficient because it is required so much running time for vibration analysis and it is difficult of modeling of standard floor slab. In this paper, new modeling methods of standard floor slab are proposed for the accurate rigidity evaluation. By using the new modeling method, the accurate vibration response can be obtained and can accurately evaluate the rigidity of standard floor system with resilient materials. Therefore the proposed modeling method is of practical use for vibration analysis of floor system of housing.

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A Genetic Marker for the Korean Native Cattle (Hanwoo) Found by an Arbitrarily Primed-Polymerase Chain Reaction (AP-PCR)

  • Lee, Ji-Seon;Lee, Chang-Hee;Nam, Doo-Hyun;Jung, Young-Ja;Yeo, Jung-Sou
    • BMB Reports
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    • v.33 no.3
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    • pp.208-212
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    • 2000
  • In order to develop a specific genetic marker for the Korean native cattle (Hanwoo), an arbitrarily-primed polymerase chain reaction (AP-PCR) analysis of 6 different cattle breeds was attempted. Eight different arbitrary primers, each longer than 20-mer nucleotides, were used. In comparison to the AP-PCR patterns, several distinctive DNA bands that are specific for a certain breed were detected. When the primer Kpn-X was employed, a 280bp DNA fragment was found to be specific only for Hanwoo. In an individual analysis of Hanwoo, this AP-PCR marker was observed in 123 head of cattle among the 153 that were tested (80.4%). Nucleotide sequencing revealed that this fragment has a short microsatellite sequence of tandem repeat, $A(G)_{1-2}\;(C)_{1-3}AGAG$. According to the analysis of AP-PCR band patterns, Hanwoo was discovered to be genetically most closely-related with Holstein among the various cattle breeds.

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A Study on the Optimum Design for LTCC Micro-Reformer: Design and performance evalution of monolith fuel reformer/PROX (LTCC를 소재로 하는 마이크로 리포머의 최적 설계에 관한 연구 ; 일체형 Reformer/PROX 반응기의 설계 및 성능평가)

  • Chung, C.H.;Oh, J.H.;Jang, J.H.;Jeong, M.K.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2006.10a
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    • pp.615-616
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    • 2006
  • A micro-fuel processor system integrating steam reformer and partial oxidation reactor was manufactured using low temperature cofired ceramic (LTCC). A CuO/ZnO/$Al_2O_3$ catalyst and Pt-based catalyst prepared by wet impregnation were used for steam reforming and partial oxidation, respectively. The performance of the LTCC micro-fuel processor was measured at various operating conditions such as the effect of the feed flow rate, the ratio of $H_2O/CH_3OH$, and the operating temperature on the LTCC reformer and CO clean-up system. The catalyst layer was loaded with "Fill and Dry" coating for small volume. The product gas was composed of $70\sim75%$ hydrogen, $20\sim25%$ carbon dioxide, and $1\sim2%$ carbon monoxide at $250\sim300^{\circ}C$, respectively.

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The Comparion of study Isokinetic Evalution between shoulder muscles Dominant and Non-dominant in the Normal adults (정상성인의 견관절 우성 근력과 비우성 근력 비교 연구 - Cybex II + Isokinetic Dynamometer를 이용한 평가를 기준으로 -)

  • Moon Sung-Gi
    • The Journal of Korean Physical Therapy
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    • v.11 no.1
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    • pp.111-119
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    • 1999
  • The object of study who healthufl thirty persons have been enforced Isokinetic exercise of non-dominant muscular strength. The next same that each dominant muscular strength and non-dominant strength, peak torque and total work have been comparative analysis 1, Shoulder muscles comparion increase peak torque at low speed from pretraining Isokinetic exercise of non-dominant strength side to ten week of post-training.. Flexor and extensor come out high and statistically significant 6, 8, 10 week than pretraining. Adductor and abductor come out high and statistically significant 4, 6, 8. 10 week then pre-training, Internal rotator and external rotator come out statistically significant 2, 4, 6, 8, 10 week then pre-ttraining. 2. Shoulder muscles comparion increase peak torque at high speed from pre-training Isokinetic execise of non-dominant strenght side to ten week of post-training. Flexor and extensor come out high and statistically significant 4, 6, 8, 10 week then pie-training. Adductor and abductor come out high and statistically significant 2, 4, 6, 8, 10 week than pre-training. Futernal rotator and external rotator come out statistically significant 4. 6, 8, 10 week than pre-training.

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A Study on Rheological and Texture of Saccharification Process Cooked Rice, Glutinous Rice, potato and Sweet Potato (서류의 당화과정중 물성 및 Texture에 관한 연구)

  • 강선희;김경자;곽연주
    • Korean journal of food and cookery science
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    • v.7 no.2
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    • pp.7-18
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    • 1991
  • This study was experimented saccharification process added malt extract solution into cooked sweet potato and potato with time, temperature and was tested reducing sugar changes, structural changes, pH and sensory evaluation about cooked shik-hae of rice, glutinous rice, potato, sweet potato. The results are summarized as follows: 1. Enzyme activity was highest in malt after four days of barley germination at a room temperature. 2. Electronmicroscopic observation indicated that raw starch granule of potato and that of sweet potato was 25-60$\mu\textrm{m}$ and 8~18$\mu\textrm{m}$ in size, respectively and its shape is oval and globular for potato and sweet potato respectively. 3. Reducing sugars were 1,682.6mg and 1,695.6mg in rice and glutinous rice, respectively, for 6-hour-saccharification at $50^{\circ}C$. Reducing sugars were 1,689.1mg and 1,497.8mg in sweet potato, potato, respectively, for 6.hour-saccharification at $60^{\circ}C$. 4. pH variation during saccharification for sweet potato and potato was pH 5.8~5.4. 5. Sensory evalution showed that there were more significant differences in sweety odor, roasted nutty taste and sweety taste of sweet potato among four samples than the other's color shininess.

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A Study on the Analysis of Environmental-Friendly Planning Characteristics of Apartment Housing Complex (공동주택단지 환경친화 계획특성 분석에 관한 연구)

  • Ryu Ji-Won;Kim Jung-Hwan;Jung Eung-Ho;Kim Su-Bong
    • Journal of the Korean housing association
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    • v.15 no.5
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    • pp.97-105
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    • 2004
  • The main purpose of this study is to define the characteristics of emvironmental-friendly design which is found on in the planning of apartment housing complex. For this purpose, the subject of analysis were focused on the plans which had been authenticated an apartment housing complex development of Green Buildings. In conclusion, the characteristics of environmental-friendly design in the of apartment housing complex which are analysed through this study can be summarized as follows: It is shown that most plans hardly used the designs items such as 'preserving geographical feature' , 'use of substitutive sources' while the application ratio of 'making streamlets' , 'artificials afforestations' , 'making pedestrain road and bicycle road' is highest. this analysis means many planners and designers depends on only a few design elements when they plan apartment housing complex. it is because they don't have a correct understanding of environmental-friendly development.