• Title/Summary/Keyword: complex type

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On characterizations of real hypersurfaces of type B in a complex hyperbolic space

  • Ahn, Seong-Soo;Suh, Young-Jin
    • Journal of the Korean Mathematical Society
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    • v.32 no.3
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    • pp.471-482
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    • 1995
  • A complex n-dimensional Kaehlerian manifold of constant holomorphic sectional curvature c is called a comples space form, which is denoted by $M_n(c)$. A complete and simply connected complex space form consists of a complex projective space $P_nC$, a complex Euclidean space $C^n$ or a complex hyperbolic space $H_nC$, according as c > 0, c = 0 or c < 0. The induced almost contact metric structure of a real hypersurface M of $M_n(c)$ is denoted by $(\phi, \zeta, \eta, g)$.

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A Study on the Facility Types and Characteristics of Community Center (서울시 주민자치센터의 시설 유형과 특성에 관한 연구)

  • Lee, Mi-Suk;Suh, Kuee-Sook
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2008.11a
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    • pp.431-436
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    • 2008
  • The aim of the research is to find out facility types and chracteristics of the community center in Seoul. To do so, we picked up 40 examples of a densely populated and low resident district in Seoul and then analyzed to find out the typical types and characteristics. The result of this study can be summarized as follows : By classifying community center complexs largely into a complex type with similar facilities and a complex type with different facilities, 8 types were derived. Depending on 4 characteristics, such as spatial composition, entrance type, circulation form, and complex facility type, 12 types of community center complexes were derived, and the characteristics of each type are presented.

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A Study on the Community-consciousness Depending on the Location Type of the Neighborhood Facility in Apartment Complex (공동주택단지 근린시설 배치유형별 커뮤니티의식분석에 관한 연구)

  • Kim Dae-Wuk;Jung Eung-Ho;Ryu Ji-Won
    • Journal of the Korean housing association
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    • v.16 no.6
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    • pp.39-46
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    • 2005
  • This Study is to analyse the community-consciousness depending on the location type of the neighborhood facility in apartment complex, in order to set up the fundamental criteria for the location type which can increase the community-consciousness. For the purpose of this study, Shopping center, Playground and Resting Area are selected among the neighborhood facilities and they were analysed on the basis of the Belonging-Sense, Affection-sense and the personnel Interchange. The results of this study are as follows: Shopping center should be located in the Main-Enterance of Apartment Complex and be constructed as low building along the street. In case of the Playground that was compared with the Central type and Decentral type, the Central type is proper for the increasing of community-consciousness. In case of the Resting Area that was compared with the Mixture type involving a playground and Independent type except for a playground, the independent type is acceptable for the location-type to increase the community-consciousness owing to all analyses.

Taxonomic Review of L. makinoana Complex (Orchidaceae; Epidendroideae; Malaxidae) in Korea

  • Jungsim Lee;Heesoo Kim;Dong Chan Son;Sang-Kuk Han;Hyuk-Jin Kim
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2022.09a
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    • pp.54-54
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    • 2022
  • 한국에서 자생하고 있는 Liparis 속의 11분류군 중 Liparis koreana (Nakai) Nakai을 제외하고 대부분은 경기도와 강원도부터 제주도 및 도서지방을 포함한 전국에 분포하고 있다. 최근 국내 Liparis japonica(Miq.) Maxim. 로 알려진 개체군에 대해 학명이 잘못 적용된 결과가 보고되었고, 본 개체군을 포함하여 Liparis makinoana complex에 대한 국내 개체군에 대해 재검토를 하였다. 그 결과 L. makinoana complex은 제주 Type (Type 1)과 내륙의 2 Types (Type 2, 3)으로 3 Types가 확인되었다. Type 1-3은 형태학적으로 유사하지만, 종의 형태학적 형질과 개화기, 그리고 분포지역에서 뚜렷한 차이를 보였다. Type 1은 꽃이 가장 크며, 순판은 넓은 난형이고, 개화기는 5-6월이며, 제주도에서 분포하는 것으로 확인되었다. Type 2는 꽃이 중간크기이며, 순판이 난형이고, 개화기는 6월 중순-7월 중순이며, 중북부지방에 주로 분포한다. 반면에, Type 3는 꽃이 가장 작고, 순판이 좁은 난형이고, 개화기가 6월 초-7월 초이며, 백두대간을 따라 분포하는데, Type 3는 Type 1과 Type 2에 비해 화서가 길다.

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Complex Planetary Gear Train for a Plug type Passenger Door (복합유성기어장치를 적용한 플러그 방식 출입문의 변속장치)

  • 김연수;홍재성;박성혁;백남욱;이병송
    • Proceedings of the KSR Conference
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    • 2001.05a
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    • pp.170-177
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    • 2001
  • Since plug type passenger door has two motion modes, power transmission unit must be capable of plug-in or plug-out, and sliding mode. Complex planetary gear train is proposed, which is composed of two 2K-H, I type planetary gear units. For the proposed complex planetary gear train, ranges of addendum modification coefficients which would not lead to interferences is analyzed, and optimal addendum modification coefficients among these ranges which generate the maximum efficiency are presented. Based on the interference, efficiency and torque ratio analysis results, complex planetary new train is designed and manufactured.

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Development on a Transmission Unit for a Plug Type Passenger Door (플러그 방식 승객용 출입문의 변속장치 개발)

  • 김연수;홍재성;박성혁;이관섭;백영남
    • Journal of the Korean Society for Railway
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    • v.4 no.2
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    • pp.55-61
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    • 2001
  • Since the plug type passenger door has two modes of motion, a power transmission unit must be capable of plug-in or plug-out mode, and sliding mode. Complex planetary gear train is proposed, which is composed of two 2K-H, I type planetary gear units. For the proposed complex planetary gear train, ranges of addendum modification coefficients which would not lead to interferences are analyzed, and optimal addendum modification coefficients among these ranges which generate the maximum efficiency are presented. Based on the results of analysis on interferences, efficiencies and torque ratios, the specifications for the complex planetary gear train were determined. It has been shown by tests of the complex planetary gear train manufactured that the gear train worked well with good agreements of analysis.

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Experimental Study on Heat Exchange Efficiency of Combined Well & Open-Closed Loops Geothermal System (지하수정호와 결합한 복합지열시스템의 열교환 효율에 대한 실험적 연구)

  • Song, Jae-Yong;Lee, Geun-Chun;Park, Namseo
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.34 no.5
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    • pp.43-50
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    • 2018
  • The temperature of underground water generally remains constant regardless of the season. therefore, it is possible to get plenty of energy if we use characteristics of underground water for both cooling and heating. This study evaluates efficiency of real size coaxial and U-tube type complex geothermal system which is combined with underground water well. This study also evaluates relative efficiency/adaptability through comparison with existing geothermal systems(vertical closed loop system, open loop system(SCW)). The heat exchange capacity of complex geothermal system according to temperature difference between circulating water and underground water shows very high significance by increasing proportionally. The temperature change of underground water according to injection energy, shows very high linear growth aspect as injection thermal volume heightens. As a result of evaluation of heat exchange volume between complex geothermal system and comparative geothermal system, coaxial type has 26.1 times greater efficiency than comparative vertical closed type and 2.8 times greater efficiency than SCW type. U-tube type has 26.5 tims greater efficiency than comparative vertical closed type and 2.8 times greater than SCW type as well. This means complex geothermal system has extremely outstanding performance.

Clinical Experience of a Complex Regional Pain Syndrome Type II Patient -A case report- (복합부위통증 증후군 II형(CRPS Type II) 환자의 치험 -증례 보고-)

  • Yoon, Keon-Jung;Kim, Jong-Lul
    • The Korean Journal of Pain
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    • v.9 no.2
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    • pp.426-429
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    • 1996
  • Complex regional pain syndrome Type II(CRPS) can be diagnosed by new IASP criteria in 1994. Sympathetically maintained pain may or may not be present in a patient with complex regional pain syndrome. We experienced a CRPS Type II patient who has sympathetically maintained pain as a major painful nature developed after right multiple iliac bone fracture, right femoral artery thrombosis and lumbosacral plexus injury. Combination treatment with L2, L3, L4 sympathetic ganglion block and continuous lower thoracic epidural block for 30 days were tried to get long term effect. The patient had signs of successful. sympathetic denervation of the right foot. After that pain relief was sustained until three month later.

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Spatial Distribution Pattern of Users by the Types of Use Activity at Lawn Areas in Park (공원잔디공간의 이용활동유형별 공간분포특성에 관한 연구)

  • 암봉훈
    • Asian Journal of Turfgrass Science
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    • v.10 no.1
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    • pp.13-20
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    • 1996
  • This study was carried out to investigate the characteristics of spatial distributon patterns of users by each type of recreational activities at lawn areas in the parks. Study sites were lawn areas at Kyungju World and Seorabul Plaza in Bomun Resort Complex in Kyungju, Korea. Space types by each recreation activities are Repose Type, Sports Type, Play Type and Strolling Type. Main results are as follows ; 1. Sport Type activities were mainly distributed at the central areas of each lawn areas. 2.The density of Sports Type activities were affected by the form of lawn areas. For natural control of excess dynamic activities, Complex Form has more advantage in the distribution of dynamic activities. So, as the form of lawn areas in the parks, complex form is more desirable. 3.Repose Typo activities were distributed at marginal areas of lawns and surrounding woods. These, the static activities, were affected by Edge Effect in spatial distribution of activities. 4.Play Typo activities also were distributed at marginal areas of lawns. It was also affected by Edge Effect in spatial distribution. 5.Strolling Type activities were distributed evenly over all lawn areas.

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Study on the New Type of Industrial Complex in Response to Changes in Industrial Environment: Network-type Industrial Complex (산업환경 변화에 대응한 새로운 산업단지 유형 개발 연구: 네트워크형 산업단지)

  • Lee, Hyeon-joo;Kim, Tae-gyun;Choi, Dae-sik;Lee, Eun-Yeob;Song, Youngil
    • Journal of the Economic Geographical Society of Korea
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    • v.20 no.4
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    • pp.522-535
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    • 2017
  • It is necessary to develop a new location model to support the application of smart technology and confluence in the 4th industrial revolution era. In this study, we propose 'network-type industrial complex' as a method to link several industrial integrated spaces which are dispersed in an area. As a result of conducting a survey of companies in order to develop a new location model, about 89% of companies recognized the necessity of network-type industrial complex. As a condition for activation of the industrial complex, 'complementary function formation', and 'convenience of nodular transportation' were selected. It is expected that it will be possible to supply low-cost, high-efficiency industrial complexes through opening and linking with urban space and infrastructure sharing.