• Title/Summary/Keyword: 구난

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Comparison of Composition and Content of Fatty Acid in Egg Yolk Oil among General and Functional Eggs (일반란 및 기능란의 난황속의 지방산 조성 및 함량 비교)

  • 왕수경;구난숙
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.30 no.1
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    • pp.14-19
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    • 2001
  • This study was designed to compare content and composition of fatty acid in egg yolk oil among general eggs from chicken, quail, duck. We also compared those of general and functional chicken egg. Fatty acids were determined by GC method and the results were as follows: Palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, linolenic acid and timnodonic acid were identified in egg of chicken, quail and duck. The major fatty acid was oleic acid and palmitic acid in three kinds of eggs. Arachidonic acid and docosahexaenoic acid (DHA) were analyzed in egg of quail , but no in chicken. Monounsaturaterd fatty acid (MUFA) was higher in egg yolk oil of chicken and quail. Polyunsaturated fatty acid (PUFA) was higher in duck egg. Ginseng egg had significantly higher palmitic acid and oleic acid lower than general chicken egg. Gamgoal egg had lower palmitic acid and oleic acid, and higher palmitoleic acid and stearic acid than general chiekcn egg. The content of oleic acid was lower in DHA egg than in general chiecken egg, but arachidonic acid was detected only in DHA egg. Ginseng egg had the highest content of saturated fatty acid among chicken eggs. The content of MUFA acid was the highest in gamgoal egg and general chicken egg. DHA egg had the most amount of PUFA among all chicken egg.

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Study on Food Habits of Elementary School Food service Children in Taejon (대전지역 급식학교 초등학생들의 식습관 조사)

  • Park, Jong-Im;Gu, Nan-Suk
    • Journal of the Korean Dietetic Association
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    • v.4 no.2
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    • pp.113-122
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    • 1998
  • To investigate the children's food habit, one thousand of children from eleven elementary school food service were randomly selected in Taejon. The survey was conducted by questionnaires and data were analyzed by SAS program. The results are summarized as follows. 1.The average height and weight for the 3th grader are 132.0cm and 29.4kg for boys. 131.2cm and 27.9kg for girls. In the case of the 6th grader the average height and weight are 147.1cm, 41.1kg for male, 148.6cm, 41.0kg for female, repectively. Those values are less than national averages. 2. The third grader eats breakfast more regularly than the sixth grader(p<0.001) and 51.5% of the children answer that they take foods for their health. The third grader has better eating habits that the six grader. This survey shows that the sixth grader eat more cereal, milk and vegetable and the third grader has less fruits than the sixth grader. 49.3% of the total children likes eating food at home, 36.6% eating outside and 14.1% school meal service. 25.8% of the children reply that they do not eat now foods during school meal service. 82.5% of the total children are willing to eat foods served from school meal service if a teacher explains about the information of foods.

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A Clinical Experience of Korean Artificial Heart(AnyHeart) (한국형 인공심장(AnyHeart)의 임상경험)

  • Sun, Kyung;Son, Ho-Sung;Jung, Jae-Seung;Chung, Bong-Kyu;Lee, Sung-Ho;Shin, Jae-Seung;Kim, Kwang-Taik;Lee, Hye-Won;Min, Byoung-Goo;Kim, Hyoung-Mook
    • Journal of Chest Surgery
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    • v.35 no.7
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    • pp.548-552
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    • 2002
  • Korean artificial heart(AnyHeart) is a single-pieced and implantable hi-ventricular pulsaile pump adapting a moving actuator mechanism. The authors report a case of clinical application of AnyHeart as a life-saving device for the patients with end-stage heart disease combined with biventricular failure.

Experimental Study on the Designed Ventilation Effect on the Smoke Movement at Rescue Station fire in Railway Tunnel (터널 내 화재발생시 구난역 내의 연기 거동에 미치는 설계된 환기 영향에 대한 실험적 연구)

  • Kim, Dong-Woon;Lee, Seong-Hyeok;Ryou, Hong-Sun;Yoon, Sung-Wook
    • 한국전산유체공학회:학술대회논문집
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    • 2008.03b
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    • pp.163-167
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    • 2008
  • In this study, the 1/35 reduced-scale model experiment were conducted to investigate designed ventilation effect on the smoke movement at rescue station fire in railway tunnel. A model tunnel with 2 mm thick, 10 m long, 0.19 m high and 0.26 m was made by using Froude number scaling law. The cross-passages installing escape door at the center were connected between incident tunnel and rescue tunnel. The n-heptane pool fires with heat release rate 698.97W were used as fire source. The fire source was located at the center and portal of incident tunnel as worst case. A operating ventilation system extracted smoke amount of 0.015 cms(cubic meters per second). The smoke temperature and CO gas concentration in cross-passage were measured to verify designed ventilation system. The result showed that, at center fire case without ventilation, smoke did not propagate to rescues station. In portal fire case, smoke spreaded to rescues station without ventilation. But smoke did not propagated to rescues station with designed ventilation.

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college students' perception of food hygiene (대학생의 식품위생 인지도 조사)

  • Koo, Nan-Sook;Kim, Jun-Mi
    • Korean Journal of Human Ecology
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    • v.18 no.3
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    • pp.769-773
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    • 2009
  • The purpose of this study is to examine the food consumption behavior, the attitudes to food sanitation and the HACCP(?) knowledge of college students. Questionnaires were collected from 130 students in Daejeon University. The subjects mainly purchased their food at big discount stores and thought of expiration date as a most important factor considered. When purchasing the grocery, female students seldom took the convenience cooking into consideration, however, 10.3% of male students concerned it(p<0.05). In subjects' knowledge of food hygiene, the average score was 16.21 and in their performance(p<0.05)of it, the average score was 11.14. Especially in their knowledge of separate food storage, the average point was 5.03 and in their performance of it(p<0.05), the average point was 2.84. 72% of respondents had ever experienced food sanitation education. Of students who answered that food sanitation education was very helpful, the number of students living in university dormitory or boarding houses was as much again as that of students living in their own places. 82.2% of students did not know about HACCP system. They wanted to know 'the meaning(43%)', 'the necessity' (19.6%), 'the advantage(9.3%)' of HACCP and 'the kinds of food products adopting HACCP(28%)'.

A Study for Development of Hydraulic Piston Pump for Driving Rescue Equipment (구난장치 구동용 유압 피스톤 펌프 개발에 관한 연구)

  • Lee, Jihwan;Lee, Kyongjun;Kim, Kyung Soo;Kang, Myeong Cheol;Lee, Hyun Cheol
    • Journal of the Korea Institute of Military Science and Technology
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    • v.21 no.3
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    • pp.255-263
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    • 2018
  • This paper investigated design requirements for piston pumps, which were used as the power source of light rescue vehicle, and designed a piston pump satisfying such requirements. In order to satisfy the driving specification of the rescue device, the pump needs to be designed using the displacement volume of 110 cc/rev, the pressure of 350 bar and the rotation speed of 2,200 rev/min. The design was verified by flow and structural analyses respectively. The shape of the piston pump was optimized in terms of both flow characteristics and structural stability. A test equipment was also fabricated to verify the developed piston pump and test conditions were established. Finally, the developed piston pump was tested for its performance and operating temperature.

Perception and Purchase Behavior on Environment-friendly Agricultural Products of College Students in Daejeon (대전지역 대학생의 친환경농산물 인식 및 구매행동)

  • Cho, Yu-Jin;Koo, Nan-Sook
    • Korean journal of food and cookery science
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    • v.31 no.3
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    • pp.328-334
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    • 2015
  • The survey was conducted to investigate the perception and purchase behaviors regarding environment-friendly agricultural products (EFAP). 353 questionnaires were collected from college students in Daejeon and analyzed using SPSS 21.0. The students recognized EFAP as foods containing less or no agricultural pesticides and chemical fertilizers. More food major students knew the definition of EFAP compared to non-food major students (p<0.05). The students discriminated EFAP based on certificat on label and obtained information about EFAP from TV/home shopping. More non-food major students purchased EFAP than food major students (p<0.001). The main reason for hesitation with EFAP purchases was the high price. However, students purchased EFAP because of their family's safety. Price reduction is the most important factor to promote the consumption of EFAP. Proper education programs are required so that college students can easily purchase EFAP to promote safe and healthy dietary habits.

비상통신 해외사례 및 구축동향

  • 김상완;이준경;이경호
    • Information and Communications Magazine
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    • v.23 no.2
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    • pp.23-40
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    • 2006
  • 재난은 다양한 원인에 의하여 예측 불가능하게 발생되고 있다. 정보화의 진전에 따라 네트워크는 모든 경제활동의 근간이 되어 있으며, 재난이 발생하면 재난복구 및 구난 활동 등에 통신기능의 활용도가 더욱 높아진다. 특히 통신 장애를 일으키는 통신재난이 발생하면 그 파급효과는 빠르고, 넓게 확산되는 경향을 보인다. 국내.외적으로 국가 주요 활동의 정보통신의 의존도가 증가하고, 정보통신 기반의 복잡도와 개방성이 증가하여 위협 및 취약성이 증대하며, 정보전(cyber warfare)의 공격 위협이 증대하는데 비교하여, 통신 부문의 민영화에 따라 공공 부문 보호 영역이던 통신 부문이 민간 부문으로 확대되어 다양한 위협에 노출되어 있는 실정이다. 따라서 최근에는 통신 네트워크와 서비스를 정보통신 시스템과 서비스에 대한 독립적인 보호와 보안이라는 차원에서 한걸음 더 나아가 " 국가주요 기반 구조에 대한 보호와 위협에 대한 종합적인 대응 " 이라는 차원에서 접근하고 있다. 미국은 지난 및 비상대비 통신 전담기구인 NCS(National Communication System)와 대통령자문위원회인 NSTAC(National Security Telecommunication Advisory)등 종전부터 있던 통신 재난 및 비상 통신 관련 기구에서 진행해오던 통신 재난 및 비상 통신 관련 기구에서 진행해오던 통신 재난 및 비상 통신 관련 업무를 9-11 사태를 경험하면서 신설된 Department of Homeland Security에서 총괄하도록 하고 있다. 캐나다의 경우는 MSAT(Mobile Satellite Services) Emergency Telecommunication Network을 통한 긴급통신 시스템을 구축하였다. 일본의 경우 우정성(현재는 총무성에 통합) 산하 비상통신협의회를 구성하여 비상통신에 관련한 협의와 점검을 추진하며 방재용 무선 시스템을 구축 운용하고 있다. 본 고에서는 이와 같은 비상통신과 관련하여 수행하고 있는 국외 비상통신 관련표준화 현황 및 해외 주요국가 별 구축 동향에 대해서 기술한다.

The 1D-3D Simulation for Smoke Ventilation in a Rescue Station of a Railroad Tunnel under the Fire (장대 터널 내 구난역의 열차 화재 시 제연을 위한 1D-3D 연계 해석)

  • Jung, Jae-Hyuk;Hur, Nahm-Keon;Lee, Jung-Pyo;Kim, Jin-Kon
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.22 no.10
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    • pp.665-671
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    • 2010
  • In the present study a 1D-3D numerical simulation was performed to analyze the fire safety in a rescue station of a long railroad tunnel equipped with a mechanical ventilation. The behavior of hot air was studied for the emergency operation mode of ventilation system in case of fire in the rescue station. The 1D simulation was carried out for entire tunnel region. Detailed 3D CFD simulation was performed for the rescue station area in the central region of the tunnel by using the result of the 1D simulation as the boundary condition of the 3D simulation. Various type of cross passage installation were evaluated for the prevention of smoke diffusion to suggest the optimized interval of the cross passages in the rescue tunnel.

Smart Mobile Blackbox DVR in Car Environment (자동차 환경에서 스마트 모바일 블랙박스 DVR)

  • Choi, Sun-O;Kim, Young-Po;Im, Yong-Soon;Kim, Young-Ja;Kang, Eun-Young
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.13 no.5
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    • pp.9-15
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    • 2013
  • In this paper, automatic recognition of an accident and whether service delivery and risk driving through the giving of the driver to correct driving habits before and after the accident to reproduce highly scalable video Smart Mobile Blackbox DVR (SMBD, Smart Mobile Blackbox DVR) Computer of the model was designed. SMBD on embedded systems equipped with wireless capabilities to sleep in the car accident point and the image information by wireless communications, by notification in the control center, 24-hour emergency rescue service and traffic information can be provided. The vehicle ECU (Electronic Control Unit) of the vehicle information and sensor data in conjunction with wireless eCall (Emergency Call) services can be realized.