• 제목/요약/키워드: Plant Management

검색결과 3,510건 처리시간 0.033초

미세먼지와 기상정보 기반의 AHP 분석을 통하여 태양광 발전소 최적입지선정에 대한 사례연구 (A Case Study for Analyzing the Optimal Location for A Solar Power Plant via AHP Analysis with Fine Dust and Weather Information)

  • 이건주;이기현;강성우
    • 대한안전경영과학회지
    • /
    • 제19권4호
    • /
    • pp.157-167
    • /
    • 2017
  • Solar energy has been known as a successful alternative energy source, however it requires a large area to build power generation facilities compared to other energy sources such as nuclear power. Weather factors such as rainy weather or night time impact on solar power generation because of lack of insolation and sunshine. In addition, solar power generation is vulnerable to external elements such as changes in temperature and fine dust. There are four seasons in the Republic of Korea hereby variations of temperature, insolation and sunshine are broad. Currently factors that cause find dust are continuously flowing in to Korea from abroad. In order to build a solar power plant, a large area is required for a limited domestic land hereby selecting the optimal location for the plant that maximizes the efficiency of power generation is necessary. Therefore, this research analyze the optimal site for solar power generation plant by implementing analytic hierarchy process based on weather factors such as fine dust. In order to extract weather factors that impact on solar power generation, this work conducts a case study which includes a correlation analysis between weather information and power generation.

Changes in Free Amino Acid, Carotenoid, and Proline Content in Chinese Cabbage (Brassica rapa subsp. Pekinensis) in Response to Drought Stress

  • Shawon, Rayhan Ahmed;Kang, Baek Song;Kim, Ho Cheol;Lee, Sang Gyu;Kim, Sung Kyeom;Lee, Hee Ju;Bae, Jong Hyang;Ku, Yang Gyu
    • 한국자원식물학회지
    • /
    • 제31권6호
    • /
    • pp.622-633
    • /
    • 2018
  • Chinese cabbage grown during autumn season is confronted with drought conditions for a certain period, especially during the early growth stage. In this study, we investigated the effects of drought stress on plant growth characteristics, as well as free amino acid, carotenoid, and proline in Chinese cabbage. Chinese cabbage seeds (Bulam Plus) were germinated, and all the seedlings were transplanted into plastic containers (28 cm diameter ${\times}$ 22 cm high) containing a commercial growth medium. The soil water content was measured and maintained at 10% for the drought-stressed plants and at 30% for the control plants, for three weeks. The results revealed that plant growth parameters were lower in the drought-stressed plants than in the control plants. The total free amino acid content tended to decrease in both drought-stressed and control plants with time. The total free amino acid content was found to be lower in the drought-stressed plants than in the control plants and the proline content was unaffected. Moreover, at three weeks after treatment, carotenoid content in drought stressed plants was significantly higher than that in the untreated plants. We believe that our study makes a significant contribution to the literature because the effects of drought stress on plant growth parameters, free amino acid, carotenoids, and proline accumulation in autumn growing cultivar of Chinese cabbage have not been widely studied in Korea, and our study provides valuable information in this regard, as Chinese cabbage is consumed throughout the year in Korea.

국내 종자전염 규제 식물병원세균 조사 (Investigation of Prohibited Seed-Borne Plant Pathogenic Bacteria in Korea)

  • 홍연석;최현주;이인경;임연정;박성우;남봉우;이부자;박덕환
    • 식물병연구
    • /
    • 제26권3호
    • /
    • pp.134-143
    • /
    • 2020
  • 본 논문에서는 종자전염 식물병원세균을 규정하였다. 국내 금지병해충 목록에서 세균 4종 및 파이토플라즈마 2종, 그리고 관리병해충 목록 중 세균 35종 및 파이토플라즈마 17종을 대상으로 종자내부 또는 유묘에서 병원세균을 검출한 문헌조사를 실시하였다. 금지 식물병원세균 2종, 관리 식물병원세균 18종 및 관리 파이토플라즈마 1종이 종자전염 식물병원세균으로 판명되었다. 이에 이들 종자전염 식물병원세균들에 대한 근거를 제시하였으며, 향후 수입종자의 검역을 위한 기본자료로 활용될 수 있을 것으로 생각된다.

Simple sequence repeat marker development from Codonopsis lanceolata and genetic relation analysis

  • Kim, Serim;Jeong, Ji Hee;Chung, Hee;Kim, Ji Hyeon;Gil, Jinsu;Yoo, Jemin;Um, Yurry;Kim, Ok Tae;Kim, Tae Dong;Kim, Yong-Yul;Lee, Dong Hoon;Kim, Ho Bang;Lee, Yi
    • Journal of Plant Biotechnology
    • /
    • 제43권2호
    • /
    • pp.181-188
    • /
    • 2016
  • In this study, we developed 15 novel polymorphic simple sequence repeat (SSR) markers by SSR-enriched genomic library construction from Codonopsis lanceolata. We obtained a total of 226 non-redundant contig sequences from the assembly process and designed primer sets. These markers were applied to 53 accessions representing the cultivated C. lanceolata in South Korea. Fifteen markers were sufficiently polymorphic, and were used to analyze the genetic relationships between the cultivated C. lanceolata. One hundred three alleles of the 15 SSR markers ranged from 3 to 19 alleles at each locus, with an average of 6.87. By cluster analysis, we detected clear genetic differences in most of the accessions, with genetic distance varying from 0.73 to 0.93. Phylogenic analysis indicated that the accessions that were collected from the same area were distributed evenly in the phylogenetic tree. These results indicate that there is no correlative genetic relationship between geographic areas. These markers will be useful in differentiating C. lanceolata genetic resources and in selecting suitable lines for a systemic breeding program.

A Fuzzy Set Theoretic Approach for the Multigoal Plant Layout Planning

  • 홍관수
    • 한국경영과학회지
    • /
    • 제13권2호
    • /
    • pp.215-215
    • /
    • 1988
  • This paper presents a fuzzy set theory based formulation and heuristic which will allow plant layout problems to be solved for more than two input goals with different weights. The heuristic combines a construction and improvement procedure to generate a good layout from the formulation. To test the effectiveness of the heuristic, a set of examples previously used by various authors is solved and the results are compared to those from other known heuristics. The comparison indicates that the proposed method performs well for each of seventeen classical test problems.

A fuzzy set theoretic approach for the multigoal plant layout planning

  • Hong, Kwan-Soo
    • 경영과학
    • /
    • 제13권2호
    • /
    • pp.215-232
    • /
    • 1996
  • This paper presents a fuzzy set theory based formulation and heuristic which will allow plant layout problems to be solved for more than two input goals with different weights. The heuristic combines a construction and improvement procedure to generate a good layout from the formulation. To test the effectiveness of the heuristic, a set of examples previously used by various authors is solved and the results are compared to those from other known heuristics. The comparison indicates that the proposed method performs well for each of seventeen classical test problems.

  • PDF

화력전소용 버너관리 시스템 운전화면 구성과 Software 설명 (Composition of Operation Window in Domestic Burner Management System for Thermal Power Plant and Software Explanation)

  • 신만수;김병철;강종철
    • 대한전기학회:학술대회논문집
    • /
    • 대한전기학회 2001년도 합동 추계학술대회 논문집 정보 및 제어부문
    • /
    • pp.323-326
    • /
    • 2001
  • In this Paper, we are trying to think over the operation window of application to a domestic burner management system and the softwares. The detailed contents are the power plant system overview and the integration of operation window and the software[man-machine interface software and logic editing software] digest and the difficulty in changing the burner management system.

  • PDF