• Title/Summary/Keyword: 변종

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Development of PCI Vision System (PCI비젼 시스템 개발)

  • Kim, Jeong-Hun;Jeon, Jae-Wook;Byun, Jong-Eun
    • Proceedings of the KIEE Conference
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    • 2000.07d
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    • pp.2868-2870
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    • 2000
  • Vision systems need to have high speed transfer methods for transferring large data. After PC accepts PCL, PCI becomes a more effective method for data translation. PCI substitutes previous ISA. This paper proposes an architecture of vision system and window driver based on PCI.

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Optimal Input Inductance Design of Wireless Power Transfer System with LCCL-S Topology for Zero Voltage Switching (LCCL-S 토폴로지를 적용한 무선전력전송 시스템의 ZVS를 위한 입력 인덕턴스 최적 설계)

  • Byun, Jongeun;Joo, Dong-Myoung;Lee, Byoung Kuk
    • Proceedings of the KIPE Conference
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    • 2017.07a
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    • pp.114-115
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    • 2017
  • 본 논문에서는 무선전력전송 시스템이 전 부하 영역에서 ZVS (Zero voltage switching)하기 위한 LCCL-S 토폴로지 입력 인덕턴스 최적 설계 방법을 제안한다. 결합계수 및 부하에 따른 입력전류를 분석하고, 설계 조건을 도출한다. 도출한 설계조건을 PSIM 시뮬레이션을 통해 검증한다.

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Hybrid Differential Evolution of Cloud Environments (클라우드 환경의 하이브리드 차등 진화)

  • Shin, Seong-Yoon;Lee, Hyun-Chang;Shin, Kwang-Seong
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2022.01a
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    • pp.391-392
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    • 2022
  • 본 논문에서는 SparkHDE-EM이라는 생태학적 모델 알고리즘에 기반한 하이브리드 DE를 제안한다. 그리고 Spark 기반 아일랜드 모델을 도입하여 다양한 DE 변종의 병렬화를 구현한다. 또한 Monod 모델을 활용하여 자원 간의 균형을 유지하는 방법을 제안한다.

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The Establishment of Conservation Area and Conservation Strategy in Ulleung Island (I) -Flora- (울릉도의 보전지역 설정 및 보전전략(I) - 울릉도 지역의 식물상 -)

  • 신현탁;김용식
    • Korean Journal of Environment and Ecology
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    • v.16 no.2
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    • pp.195-216
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    • 2002
  • The flora of Ulleung island was summarized as 975 taxa with 122 families, 465 genus, 762 species, 5 sub-species, 178 varieties, 21 forms, and 9 hybrids. This extent of plant diversity of the island ecosystem was modified from the field surveys by the authors adding the number of 627 taxa; 109 families, 355 genus, 526 species, 2 sub-species, 89 varieties and 10 forms, and Considering the aspects of geographical distribution of the island, the flora showed much closer to the Korean penninsula than that of the Japanese Archipelago. An action plan including intensive conservation and management both for habitat and plant to conserve the island ecosystem should be prepared. The naturalized plants is expanding gradually due to the increase of the tourist. The Ulleung island ecosystem should be conserved as the Protected Area, which is enlarged habitat compared with the present legal conservation actions.

A Study of the Flora of Kyungpook National University Forests (경북대학교(慶北大學校) 연습림(演習林)의 유관속(維管束) 식물상(植物相)에 관(關)하여)

  • Hong, Sung Cheon;Lee, Byung Cheon
    • Current Research on Agriculture and Life Sciences
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    • v.1
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    • pp.101-111
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    • 1983
  • This experiment was conducted to investigate the flora of Kyungpook National University Forests, which is located in Walme-Ri, Hyundong-Myon, Chungsong-Kun and at $128^{\circ}$ 59' $55^{\prime\prime}-129^{\circ}$ 01' 30"E longitude and $36^{\circ}$ 10' $30^{\prime\prime}-36^{\circ}$ 13' 00"N latitude. The results obtained can be summarized as follows; The kinds of the vascular plants identified are 298 which are composed of 79 families, 188 genera, 248 species, 1 subspecies, 46 varieties and 3 formae. Woody plants are composed of 39 families, 67 genera, 112 species, 7 varieties and 3 formae. The total number of woody plants listed are 122, tall trees of woody plants 50, shrubs 46 and winders 16, respectively. The kinds of edible plants listed are 118 such as Lithospermum erythrohizon, Codonopsis lanceolata and Aster scaber etc. Medical plants are listed as 48 kinds such as Schizandra chinensis, and A canthopanax sessiliflorus etc. Con Codonopsis Schizandra. It is the first time to report that the populations of Ulmusmacrocarpa, Acanthopanax sessiliflorus, Schizandra chinensis, and Lithospermum erythrorhizon are existed in this area.

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Vascular Plants and Urbanization Index in the Jeoniu Stream Area (전주천일대의 관속식물상과 도시화지수)

  • Beon Mu-Sup;Oh Hyun-Kyung;Kim Young-Ha;Kim Yeon
    • Korean Journal of Environment and Ecology
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    • v.19 no.3
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    • pp.231-245
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    • 2005
  • The flora of the studied area in the Jeonju stream was listed as 267taxa; 66families, 184genera, 236species, 28varieties and 3forms. Based on the list of an ecosystem disturbance plants by the Ministry of Environment, 3taxa were recorded in the studied areas: Paspalum digtichum(Gramineae), Solanum carolinense(Solanaceae), Ambrosia artemirizyolia var. elatior(Compositae). Based on the list of Korean endemic plant, 4taxa were recorded: Lilium amahile(Li1iaceae) , Prunus yedoens is(Rosaceae), Forsythia koreana(01 eaceae) , Paulownia coreana (Scrophulariaceae). Naturalized plant species was listed as 68taxa; 18families, 49genera, 66species, 2varieties, and Naturalization Index was 25.Spercent of 1/4 the vascular plants, Urbanization Index was 25. Ipercent analysis.

Studies on the Flora of Mulgun-ni and Mijo-ri Windbreak Forests in Namhaegun, Kyungsangnamdo (경상남도 남해군 물건리$\cdot$미조리 방풍림의 식물상연구)

  • Oh Hyun-Kyung;Kim Yong-Shik;Koh Myong-Hee
    • Korean Journal of Environment and Ecology
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    • v.19 no.3
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    • pp.246-257
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    • 2005
  • The flora was summarized as 176 taxa; 66families, 135genera, 147species,25varieties and 4forms in Mulgun-ni Windbreak Forest and 1531axa; 63families, 123genera, 138species, 13varieties and 2forms in Mijo-ri Windbreak Forest. The Specific Plant Species which is categorized by the Minisoy of Environment, Korea, was summarized as 24 taxa for the Degree I and 3 taxa for the Degree III in Mulgun-ni Windbreak Forest: Eusraphis japonica(Staphyleaceae), Aphananthe aspera(Ulmaceae), Ficus erecta(Moraceae), Puccinellia coreensis (Gramineae), Rhus succedanea(Anacariaceae), Koelreuteria paniculata(Sapindaceae) and 28 taxa for the Degree 1 and 7 taxa for the Degree III in Mijo-ri Windbreak Forests: Castanopsis cuspidata val. sieboldii(Fagaceae), Rubus h irsutus(Rosaceae), Elaeagnus macrophylla(Elaeagnaceae), Cinnamom urn japonic urn (Lauraceae), flex integra (Aquifuliaceae) and Lazoste lancEyolia(Lauraceae). From the enlisted vascular plants surveyed, the naturalized plants were 17 taxa in Mulgun-ni Windbreak Forest and 9 taxa in Mijo-ri Windbreak Forests with the Naturalization Index was 9.7 percent and 5.9 percent respectively.

Unrecorded fern species from Korean flora : Ctenitis maximowicziana, Dryopteris lunanensis and D. decipiens var. diplazioides (Dryopteridaceae) (한국산 미기록 양치식물 : 흰비늘고사리, 남도톱지네고사리, 애기지네고사리 (관중과))

  • Kim, Chul Hwan;Sun, Byung-Yun;Kim, Yong Bok
    • Korean Journal of Plant Taxonomy
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    • v.34 no.1
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    • pp.27-35
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    • 2004
  • Three unrecorded fern species from the flora of Korea belonging to family Dryopteridaceae, Ctenitis maximowicziana, Dryopteris lunanensis, and D. dcipiens var. diplazioides, are found along the valley of Mt. Wolgak (alt. 275m) in Gwangju, Korea. C. maximawicziana is well distinguished from the rest of the species in the genus including C. sinii by the color and morphology of scales in basal part of petioles, shape of blades, and the presence of round-reniform shaped indusia. Dryopteris lunanensis is also well distinguished from its close relative, D. atrata, by the number of lateral pinnae, degree of division of first and/or second pinnules in lower pinnae of the blades, and distribution pattern of sori. Dryapteris decipiens var. diplazioides is distinguishable from type variety by degree of division in lower pinnae of the blades. In terms of morphology, var. diplazioides seems to be intermediate between a type variety and D. fuscipes.

Studies on the Distribution and Vegetation of Ambrosia artemisiifolia var, elatior Community Group in Jeju Island (제주도 돼지풀군락군의 분포와 식생에 관한 연구)

  • 양영환;김문홍
    • Korean Journal of Plant Resources
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    • v.16 no.1
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    • pp.15-24
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    • 2003
  • The study was performed to understand the actual vegetation by using the phytosociological method on the Ambrosia artemisiifolia var. elatior community group in Jeju Island. The flora was composed of 48 families, 156 genera, 200 species, 28 varieties, 2 forma or 230 taxa. The Ambrosia artemisiifolia var. elatior community group vegetation was classified into two communities and one association; Erigeron annuus - Conyza sumatrensis, Bromus tectorum - Bidens pilosa, Setaria viridis - Eleusine indica community and Lactuco indicae - Humuletum japonicae association. Ambrosia artemisiifolia var. elatior community group was wide from the coastal areas up to the elevation of 1500 meter on Young sil of Mt. Halla. The highest dominance of the Ambrosia artemisiifolia var. elatior is 345 meter which is located near Seoneheul-ri Jocheon-eup, on the other hand the lowest one is located 1020 meter near Young-sil of Mt. Halla.