• Title/Summary/Keyword: covered-type

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Forced Ventilation Method for Preventing Surface Condensation of Magazine of Igloo type in Summer (강제환기를 이용한 하절기 군 저장시설의 표면결로 방지에 관한 연구)

  • Park, Sun-Hyo;Yoon, Sung-Do;Sohn, Jang-Yeul
    • KIEAE Journal
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    • v.10 no.2
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    • pp.57-62
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    • 2010
  • In case of earth-covered storage, the condensation occurs on surface of wall and stores in summer with high humidity because of low temperature of constructional mass. Therefore, the preventive plans should be considered to protect stores from the damage by corrosion in earth-covered storages. This study aims to suggest the methods of forced ventilation by the air, to solve the problems of construction's surface condensation at the Magazine of igloo type which is similar to earth-covered storages. A fan was installed at the air outlet for exhaust gas to conduct forced ventilation. The surface and indoor temperature were measured, and then the influence of those on condensation was analyzed. The results of this research are follows; 1) Forced ventilation by a fan affects the rise in surface temperature of walls and stores. 2) The condensation on surface of walls and stores was reduced after operating a fan.

Classification of Body Types for sizes of Ready-to-Wear-focusing on Korean female aged from 18 to 24 (성인 여성의 기성복 치수를 위한 체형 분류)

  • 김경화;남윤자
    • Journal of the Korean Society of Costume
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    • v.53 no.6
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    • pp.145-159
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    • 2003
  • The purpose of this study was to classify body type for ready-to-wear sizes. The subjects were 300 women ages of 18-24. they were measured direct anthropometry. The body types for sizing system were divided by Rohrer Index. KS drop value and ISO drop value. The results of this study were as follows. 1. By adapting the Rohrer Index. we classify 3 types from anthropometric measurements. The thin type covered 39.3%, the standard type 51.0% and the obesity type 18.7%. The characteristics of clusters were as follows. Thin type was characterized by tall. slender type and slim. The standard type was characterized by middle sized. The obesity type was characterized by short. fat type. and large bust. 2. By adapting the KS system drop value. we classify 3 types from anthropometric measurements. The H type(drop 0) covered 25.6%. the N type(drop 6) 65.2% and the A type(drop 12) 9.2%. Type H was slightly tall large bust. and curved from waist to hip. Type A was slightly thin. large hip and smaller bust than type N. Principal factor components were bust size. The height could be divided into three groups. The Petite(l50cm) covered 5.5%. the Regular(l60cm) 64.7% and the Tall(l70cm) 29.8%. Through the crosstab of height and body type. we extracted regular height by N type 46.2% the largest cell. The body type was the higher order of N type. H type and A type. The tall was the higher order of Regular. Tall and Petite. 3. By adapting the ISO system drop value. we classify 3 types from anthropometric measurements. The H type(drop 0) covered 15.0%. the M type(drop 6) 41.0% and the A type(drop 12) 44.0%. Type H was slightly short. slightly fat and large bust. Type A was slightly tall. slight thin than type M. The height could be divided into three groups. We adjust the height section after allow for height distribution. The Short(152cm) covered 12.8%. the Regular(160cm) 66.9% and the Long(168cm) 20.3%. Through the crosstab of height and body type, we extracted regular height by M type 29.3% the largest cell. The body type was the higher order of M type, A type and H type. The tall was the higher order of Regular, Long and short.

The Study on the transition of types of Deul-E-Yul-Gae windows and doors in Korean traditional architecture - focused on the wall between Dae Chung and Bang - (傳統建築의 들어열개 窓戶形式 變遷에 관한 硏究 - 廳房間을 중심으로 -)

  • 정명섭
    • Journal of the Korean housing association
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    • v.7 no.2
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    • pp.57-68
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    • 1996
  • The study is to investiagte the transition of types of Deul-E-Yul-Gae(lift up) windows and doors in Korean traditional architecture which was on the wall batween Dar Chung and Bang. As the result of studying and analysizing the transition of those the following conclusion could be obtained. The first type was to attach windows on the middle of Deul-E-Yul-Gas(lift up) doors, the second type remove windows attached on that or be(Maeng-Jang-Jee) dark paper covered door annexed Bool-Bal-Gee, and the third type to be (Myung-Jang-Jee) bright paper covered door of bottom panel slender ribs which was the most openness. Finally, we could understand the transition which would be changed from the type of(Maeng-Jang-Jee) bright paper covered lift up door of bottom panel slender ribs that had a pliable and open mood.

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The Studying on Drum-type Hill-drop Unit

  • Zhang, Xuejun;Yang, Yin
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1996.06c
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    • pp.996-998
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    • 1996
  • The drum-type hill-drop unit, an important working device of the plastic -film-covered hill planter, can finish filling and separating seed precisely, perforating film and holing , and its seeding depth and spacing are stability . The unit is applied to hole seed many crops, for example, cotton, corn , soybean, etc. The drum-type hill-drop unit(DHU) , the key work unit to the plastic film-covered planter, mainly consists of distributor box , seeding parts, hole forming unit and drum , It can be operated to accomplish seeds distributing, hole forming , plastic film perforating . Moreover , its inner cavity can be used as seed box.

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The Plastic -film -covered Hill Planter

  • Jun, Zhang-Xue;YangYin
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1996.06c
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    • pp.1041-1044
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    • 1996
  • The plastic-film-covered hill planter is a new-type seeding machine, including tow types which are mounted by 11kw and 40 kw tractors. It is made up of fertilizing , plastic-film covering perforating film and hole seeding, soil sealing apparatus, and can work at 5-7kw/h. The plastic-film covering and seeding of cotton, corn and soybean can all use this machine. The plastic-film-covered hill planter is mainly composed of plastic film covering unit, drum-type hill-drop unit and furrow coverer, some other types are also equipped with fertilizer drill unit. It can do combined work of covering plastic film , sowing , plastic film perforating , soil covering at one time, and it is suitable to the covering plastic film as well as planting of the grandulated crops, such as cotton , corn, soybean and so on.

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A Study on the Characteristics of the Form and the Preference of the Main Gates of Universities in Korea (대학교문의 조형적 특성과 선호도에 관한 연구)

  • 김동찬;성현지
    • Journal of the Korean Institute of Landscape Architecture
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    • v.27 no.1
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    • pp.110-121
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    • 1999
  • The purpose of this study is to focus on the characteristics of the form and preference of the main gates of universities. The gate of a university have both functions and artistic design aspects. Fifty-two universities selected for this study were placed all around country except for Je-ju island. The following two research methods were used for this study. 1) an analysis of form character through a classification of the types. 2) and analysis of preference to the gates through a side show. The results are summarized as follows: 1. Main gates of universities were classified by covered-type and uncovered-type in existence of cover. And they were classified by eighteen types in detail. 2. Visual preference have been analyed by using the regression, the result is as follows: Y=-0.357+0.630 X$_4$+0.377X$_1$+0.075X$_2$-0.015X$_3$($R^2$=0.971, X$_4$;harmony, X $_1$;speciality, X$_2$;softness, X$_3$;complex) 3. The gate of Chung-Ang university(Ahn Sung campus) is the highest of all the universities at the average of preference 4.32 through result of slide show. Covered type has a higher preference than uncovered type. This has a good modification and decoration in front side type of main gate.

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Transient Characteristic of a Metal-Oxide Semiconductor Field Effect Transistor in an Automotive Regulator in High Temperature Surroundings

  • Kang, Chae-Dong;Shin, Kye-Soo
    • Transactions on Electrical and Electronic Materials
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    • v.11 no.4
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    • pp.178-181
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    • 2010
  • An automotive IC voltage regulator which consists of one-chip based on a metal-oxide semiconductor field effect transistor (MOSFET) is investigated experimentally with three types of packaging. The closed type is filled with thermal silicone gel and covered with a plastic lid on the MOSFET. The half-closed type is covered with a plastic case but without thermal silicone gel on the MOSFET. Opened type is no lid without thermal silicone gel. In order to simulate the high temperature condition in engine bay, the operating circuit of the MOSFET is constructed and the surrounding temperature is maintained at $100^{\circ}C$. In the overshoot the maximum was mainly found at the half-closed packaging and the magnitude is dependent on the packaging type and the surrounding temperature. Also the impressed current decreased exponentially during the MOSFET operation.

Preparation of Conduction Polymer for Solid Type Aluminum Electrolytic Capacitor (알미늄 고체 전해 커패시터용 도전성 고분자막의 제조)

  • 양성현;유광균;이기서
    • The Transactions of the Korean Institute of Electrical Engineers
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    • v.43 no.3
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    • pp.528-531
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    • 1994
  • Digitalization in electronic system is required the capacitor which have a large capacitance with small size, low impedance at high frequency, and high reliability. The fabrication and its properties of aluminum solid electrolytic capacitor are investigated. Employing conduction polymer film such as, polypyrrole as solid electroylte, solid type aluminum electrolytic capacitors were made. The surface of insulationg oxide is covered with conducting polymer layer prepared by chemical oxidative polymerization. Thereafter this conducting layer is covered with conducting polymer prepared by electrochemical polymerization. The dielectric properties of these capacitors were also measured and discussed. Regarding on frequency characteristics of the trial made capacitor, impedance and ESR at high frequency is lower than those of the stacked type film capacitor. It is alo confirmed that temperature coefficient of capacitance and dissipation factor of the capacitor are lower than those of film capacitor and liquid type aluminum electrolytic capacitor.

Transfer Patterns of Multiple Trauma Patients in University Hospital after Acute Phase Management (대학병원에서 급성기 치료가 완료된 다발성 외상환자의 전원 패턴)

  • Lee, Jong Min;Jang, Ji Young;Lee, Seung Hwan;Lee, Jae Gil
    • Journal of Trauma and Injury
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    • v.26 no.4
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    • pp.261-265
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    • 2013
  • Purpose: The aim of this study is to evaluate the transfer pattern of multiple trauma patients after acute phase management and to determine whether the time between the surgeon's decision and the actual transfer correlates with the patient's insurance type. Methods: Three hundred ninety-two(392) multiple trauma patients visited the emergency room from January 2011 to April 2013. Among the 143 patients who were admitted by a trauma surgeon, 47 were transferred to another hospital after acute phase management. The age, gender, trauma mechanism, Revised trauma score (RTS), Injury severity score (ISS), insurance type, length of ICU stay and hospital stay were analyzed through a retrospective chart review. Results: The mean age was 47.7 years, and traffic accident was the most common mechanism(26, 55.3%). The mean RTS and ISS were 6.93 and 22.7, respectively. Twenty-five patients(53%) were covered by National health insurance, and 20 patients(42.6%) were covered by automobile insurance. Patients were transferred to primary (4.3%), secondary(80.9%), tertiary(4.3%) and care(10.6%) hospitals. The mean time from transfer decision to actual transfer was significantly longer for patients who were covered by automobile insurance than it was for patients who were covered by national health insurance (p=0.038). Conclusion: An appropriate transfer system at the end of acute phase care is essential for managing trauma centers with limited staffing and facilities. In addition, the mean time from transfer decision to actual transfer seemed to be definitely related to the type of insurance covering the patient.

The Effects of Blanket Application on Reducing Cold Discomfort after Cesarean Section (제왕절개술후 적용한 담요의 종류가 저온불편감 회복에 미치는 효과)

  • Kim Myung-Hee;Kim Ju-Sung
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.9 no.2
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    • pp.237-245
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    • 2002
  • Purpose: This study was to examine the changes in cold discomfort according to the type of blanket used after surgery. Methods : Women scheduled for Cesarean Section were divided into two groups. After the surgery, 30 patients were covered with a warming blanket which was set at $40^{\circ}C$ by the warmer and the other 30 patients were covered with an ordinary blanket. Both group's cold discomfort was measured at 5 time points using a mercury thermometer, shivering scale. and subjective thermal sensation scale. Data were analyzed by using mean scores with t-test, paired t-test using the SPSS/WIN program. Result: At 30 min after being covered with the blanket, the axillary temperature had returned to the pre-operation temperature in both groups. At 45 min after being covered with the blanket, the women in the warming blanket group had no further shivering but for those in the ordinary blanket group shivering continued. At 45 min after being covered with the blanket, the women in the warming blanket group had returned to the condition before surgery, but those in the ordinary blanket group continued to complain of cold sensation. Conclusion: This study suggests that use of a warming blanket helps to relieve cold discomfort following surgery. This study is also expected to enhance understanding of the Importance of subjective data by exploring the difference between subjective complaints and objective data about cold discomfort.

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