• 제목/요약/키워드: Collection development

검색결과 2,496건 처리시간 0.028초

The Mycobiota of Air Inside and Outside the Meju Fermentation Room and the Origin of Meju Fungi

  • Kim, Dae-Ho;Kim, Sun-Hwa;Kwon, Soon-wo;Lee, Jong-Kyu;Hong, Seung-Beom
    • Mycobiology
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    • 제43권3호
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    • pp.258-265
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    • 2015
  • The fungi on Meju are known to play an important role as degrader of macromolecule of soybeans. In order to elucidate the origin of fungi on traditional Meju, mycobiota of the air both inside and outside traditional Meju fermentation rooms was examined. From 11 samples of air collected from inside and outside of 7 Meju fermentation rooms, 37 genera and 90 species of fungi were identified. In outside air of the fermentation room, Cladosporium sp. and Cladosporium cladosporioides were the dominant species, followed by Cladosporium tenuissimum, Eurotium sp., Phoma sp., Sistotrema brinkmannii, Alternaria sp., Aspergillus fumigatus, Schizophyllum commune, and Penicillium glabrum. In inside air of the fermentation room, Cladosporium sp., Aspergillus oryzae, Penicillium chrysogenum, Asp. nidulans, Aspergillus sp., Cla. cladosporioides, Eurotium sp., Penicillium sp., Cla. tenuissimum, Asp. niger, Eur. herbariorum, Asp. sydowii, and Eur. repens were collected with high frequency. The concentrations of the genera Aspergillus, Eurotium, and Penicillium were significantly higher in inside air than outside air. From this result and those of previous reports, the origin of fungi present on Meju was inferred. Of the dominant fungal species present on Meju, Lichtheimia ramosa, Mucor circinelloides, Mucor racemosus, and Scopulariopsis brevicaulis are thought to be originated from outside air, because these species are not or are rarely isolated from rice straw and soybean; however, they were detected outside air of fermentation room and are species commonly found in indoor environments. However, Asp. oryzae, Pen. polonicum, Eur. repens, Pen. solitum, and Eur. chevalieri, which are frequently found on Meju, are common in rice straw and could be transferred from rice straw to Meju. The fungi grow and produce abundant spores during Meju fermentation, and after the spores accumulate in the air of fermentation room, they could influence mycobiota of Meju fermentation in the following year. This could explain why concentrations of the genera Aspergillus, Eurotium, and Penicillium are much higher inside than outside of the fermentation rooms.

Variations of Yield Components and Anthocyanin Contents in Soritae and Yakkong Black Soybean Landraces Collected from Different Areas

  • Choi, Yu-Mi;Yoon, Hyemyeong;Shin, Myoung-Jae;Lee, Yoonjung;Lee, Sukyeung;Han, Wang Xiao;Desta, Kebede Taye
    • 한국자원식물학회지
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    • 제34권6호
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    • pp.542-554
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    • 2021
  • In this study, we cultivated 115 Soritae and 86 Yakkong black soybean landraces collected from ten different locations in Korea. Then, the variations of three yield components (one-hundred seeds weight (HSW), number of seeds per pod (SPP), and yield per plant (YPP)) and three anthocyanins (cyanidin-3-O-glucoside (C-3-O-G), delphinidin-3-O-glucoside (D-3-O-G) and petunidin-3-O-glucoside (Pt-3-O-G)) were investigated according to landrace type and collection area. Both yield components and anthocyanin contents significantly varied between the soybeans demonstrating genetic differences. Soritae landraces had the highest average HSW and TAC, whereas Yakkong landraces displayed the highest average SPP irrespective of collection area. Relatively, Yakkong landraces from Gyeongsangnam-do (1697.29 mg/100 g) and Soritae landraces from Gyeonggi-do (2340.94 mg/100 g) had the highest average TAC. Principal component analysis clearly separated Soritae and Yakkong landraces. Moreover, TAC and C-3-O-G showed positive and significant associations in both Soritae (r = 0.972) and Yakkong (r = 0.885) landraces, while yield components showed negative or weak correlations with each other. Overall, ten landraces were identified as important resources owing to their high yield (>150 g/plant) and high level of TAC (>2300 mg/100g). This study could lay foundations to molecular level investigations and reinforce the use of Yakkong and Soritae landraces during cultivar development.

크롤러 타입 자주식 수집형 감자 수확기 개발 및 성능분석 (Development and Performance Analysis of Self-Propelled Crawler and Gathering Type Potato Harvester)

  • 김원경;이상희;최덕규;박석호;강연구;문석표;천창욱;김용주;장성혁
    • 드라이브 ㆍ 컨트롤
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    • 제21권2호
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    • pp.23-29
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    • 2024
  • Potatoes are one of the world's four major crops, and domestic consumption is currently increasing in Korea. However, the mechanization rate of potatoes is very low, and especially, harvesting is the most labor-intensive task in potato production. In Korea, potato-collecting work depends on manpower, so it is necessary to develop a gathering-type harvester that can be used for processes from digging to harvesting. Therefore, in this study, a self-propelled-type potato harvester was developed, and its performance was analyzed to mechanize harvesting. The potato harvester was developed to have a crawler-type driving part with a 60 hp diesel engine and consisted of a digging part that digs potatoes from the ground, a vertical transporting part that transfers the dug potatoes to the height of the collection bag, a separating part that separates debris, such as stones and soil, and a collecting part that loads the collection box. A field test of the potato harvester was conducted, and performance was evaluated by the damage, loss, and debris mixing proportions, which were 2.5%, 2.8%, and 2.6%, respectively. The working capacity was 1.2 h/10 a. The economic analysis results showed that the cost of harvesting work could be reduced by 12.7% compared to manual harvesting.

생태관광 실천을 위한 자원관리시스템에 관한 연구 -일본 이리오모떼섬을 대상으로- (A Study on Nature Resource Management System for Ecotourism Practices)

  • 김현;가이즈 유리에
    • 한국환경복원기술학회지
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    • 제5권6호
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    • pp.64-71
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    • 2002
  • This study aimed to provide data for establishment of resource management system of Iriomote Island in Okinawa Japan. Nature resource management system of Iriomote Island can be categorized into eight stages which are equivalent to regional development stages. 1) Networking among local people, tourists, researchers, tour operators and government authorities enhanced collection of resource data. 2) On the early stage, resource data were available only to researchers and government authorities. From the third stage of this system, however, local people were also involved in resource investigation, so they became to well recognize the values of their local resources. 3) On the sixth stage, data on unfamiliar local resources and attractions became to be known to people by real-time data collection and data provision services. The tourist number gradually increased and their visitation patterns were dispersed into different sites and seasons. In addition, some tourists also participated in resource investigation and they were likely to visit the place again. 4) To achieve successful ecotourism development, it is necessary to establish a management system with a feed-back process to identify, evaluate, use and protect the resources.

한국 현대패션에서의 한국적 디자인 전개과정 분석과 세계화를 위한 제안 (Suggestions for Globalization Based on the Analysis of the Process of Korean Design Development in Modern Korean Fashion)

  • 장인우
    • 복식
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    • 제48권
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    • pp.5-24
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    • 1999
  • The globalization of Korean beauty comes partly from the succession of korean traditional culture and its modernization will be the one of very important issues in 21st century. This paper was done in order to analyze the process of Korean design development in modern Korean fashion in terms of the succession and modernization of Koreantraditional Beauty and based on this analysis also suggest new possibilities for successful globalization of Korean traditional beauty andbased on this analysis also suggest new possibilities for successful globalization of Korean fashion in 21st century. 227 fashion designs which represent typical elements of korean traditional costume were selected from fashion magazines books SFAA collection books and company brochures published from 1986, to 1997. Content analysis was used with 8 variables including 7 design elements(line shape, color, textile, motif, detail, accessories) and year. Results of analysis showed that the process of Korean Design development in modern Korean fashion has in the use of straight lines and simple silhouettes. Diversity could be found in the application of various kinds of outwear items as well as in the variety of materials and details. Symbolic tradtional motifs and accessories were used to enliven the Korean folklore image, These trends became more salient with the turning point of 1993 when a few designers began to participate in Paris Collection. For successful globalization designers should have more active attitudes toward exploiting the essence of Korean beauty and developing them as modern and global styles.

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인천광역시 수목원 조성 기본계획 (Master Plan for the Incheon Metropolitan City Arboretum)

  • 조우;장종수;민성환;오강임
    • 한국조경학회지
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    • 제31권5호
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    • pp.96-107
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    • 2003
  • This study is to establish the Incheon Metropolitan City Arboretum Development Plan (IMADP) as a capacity building both for plant diversity conservation and nature friendly leisure activity areas of Incheon Metropolitan City, Korea. The arboretum planning area is located within territory of the Incheon Grand Park Based on the IMADP, the arboretum was divided into three display spaces; the Urban Greening Garden, the Rare and Endangered Plant Species Garden and the Theme Garden. Detailed planting guidelines were suggested according to the three garden areas. The Urban Greening Garden was designed to display the following three; the relevance techniques, the model, and the practical uses of plants that are regarded to an urban greening. The Rare and Endangered Plant Species Garden (REPSG) was planned for the collection and display of the rare and endangered native plants in the territories of Incheon and the island seashore. Also, the REPSG includes the education purposes of comparing and displaying taxonomically related plant species. The Theme Garden was projected for the collection and display of plant species that have long been familiar to Korean culture and which are also used in our daily life.

디지털시대의 정보자원 개발의 오류와 난제 (On Fallacies and Problems of Information Resources Development in Digital Era)

  • 윤희윤
    • 정보관리연구
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    • 제33권4호
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    • pp.25-55
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    • 2002
  • 이 연구는 디지털시대의 도서관 및 정보센터가 정보자원을 어떻게 개발하고 있으며, 그에 따른 현실적 난제, 파행, 오류가 무엇인지를 거시적으로 조감하는데 목적이 있다. 특히 디지털 접근주의, 핵심자료 개발의 취약성, 전자자료의 무차별적 수용행태 등이 도서관 및 정보센터의 정체성을 어떤 식으로 왜곡시키며 대안이 무엇인지를 논급하고자 한다.

Analysis of project-level elements of a smart city: A case study

  • Kisi, Krishna P.;Bhattarai, Sushmit Sharma
    • 국제학술발표논문집
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    • The 9th International Conference on Construction Engineering and Project Management
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    • pp.1001-1008
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    • 2022
  • As a part of the Smart Cities Mission, the Government of India in 2015 embarked upon the development of 100 existing cities as smart cities. In this study, the authors selected Ahmedabad city as the smart city development in India and presented project-level elements of the city based on the secondary data availability. At first, the authors focused on peer-reviewed articles, policy documents, and technical reports. Next, the authors collected the secondary data of project-level elements of the Ahmedabad city from the years 2015 to 2019. The findings show no significant improvement in the sewage system and waste collection as compared to the level of investment made in these sectors. The study showed that the water supply system outperformed revenue generation based on the government investment made in that sector. As a lesson learned, these findings indicate that significant improvement should be addressed in sewage management and waste collection. These study findings could help government officials, investors, developers, and city planners in making the appropriate decision before and during smart city execution. The lesson learned from this study could be used as a reference to improve revenue during the future smart city implication.

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공정제어용 범용 Operator Interface 개발 (Development of a general purpose operator interface for a process control system)

  • 이재만;김정훈;채영도
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1986년도 한국자동제어학술회의논문집; 한국과학기술대학, 충남; 17-18 Oct. 1986
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    • pp.191-196
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    • 1986
  • This paper describes the development of general purpose operator interface which uses a color graphics terminal with a touch-sensitive screen as the control console. Operators interact with a process through a collection of application-dependent displays generated interactively by users familiar with the physical process. The use of real-time operating system(iRMX-86) and multitasking results in a straightforward and reliable development which may easily be extended to support multiple devices of varying types in the control console.

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참굴 채묘 부진 원인 구명에 관한 연구 -병리 발생학적 조사를 통한 참굴 모패의 건강도와 난 및 유생의 생존율과의 상관관계 구명 - (Investigation on the Cause of Bad Natural Seed Collection of the Pacific Oyster, Crassostrea gigas: Relationships between the Conditions of Mother Shell and the Viability of the Released Eggs and Larvae Based on the Pathological and Embryological Survey)

  • 박미선;류호영;이태식
    • 한국수산과학회지
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    • 제32권1호
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    • pp.62-67
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    • 1999
  • 1992, 1993년에 경남 통영, 거제 및 전남 여수 등 남해안 주요 굴 채묘 어장에서 참굴, Crassostrea gigas의 극심한 채묘 부진 현상이 발생하여 이에 대한 원인 구명의 일환으로 각 시험 어장 서식 모패 중의 난소기생충 감염율을 조사하고 감염난 및 비감염난에 대한 발생 비교 시험을 실시하였다. 그리고, 모패 중 난의 건강도 판정 및 발생 가능성 추정을 위하여 난 지질 함량을 측정하였다. 또한, 각 채묘 부진 해역에서 채집한 굴 유생 중의 세균의 오염정도와 오염균의 세균상 등을 조사하였다. 1992년 8월에서 1993년 9월 사이 경남 통영 저산, 거제 오수 및 전남 여수 경도, 굴전 지역 굴 암컷 모패의 난소기생충, Marteiliodes chungmuensis 감염 율은 각각 $11.8\~100\%,\;14.3\~100\%,\;$15.4\~93.3\%,\;12.5\~91.7\%$였으나, 충남 대천의 자연산 굴 암컷 모패에서는 난소기생충이 검출되지 않았다. 한편, 난소기생충에 감염된 난의 세포질 내에서는 직경 78$\~$80nm의 바이러스성 입자 (virus-like particle)가 관찰되었다. 난소기생충에 감염된 난을 사용한 인공 발생 실험에서 기생충에 감염된 난은 수정이 불가능하였으며, 동일 생식소에 감염난과 함께 있었던 정상난도 수정은 가능하였으나, $80\%$ 이상이 형태적으로 비정상적인 발생을 하였고, 정상적으로 발생하여 D형 및 초기각정기까지 도달한 유생도 외부 각부터 녹기 시작하여 연체부까지 파괴되는 세포 괴사 현상을 나타내며 전량 폐사하였다. 채묘 부진 현상이 발생한 통영 저산 양식산 참굴의 난지질 함량은 3.8ng/egg이었으나, 충남 대천 자연산의 난지질은 6.2ng/egg였다. 한편, 발생 전 낮은 난 지질 함량을 나타내었던 통영 저산 산의 난은 정상적인 수정, 발생 단계를 거쳐 수정 7일째 초기각정기까지는 발달하였으나, 이후 발생이 진전되지 못한 채 수정 10일째 전량 폐사하였다. 각 시험어장에서 채취한 참굴 유생의 단위개체당 생균수는 거제 오수가 8,100으로 가장 높았고, 통영 저산이 98, 여수 굴전이 5.5로 나타났다. 각 시험어장에서 채수한 해수 중의 생균수는 여수 굴전이 14,000/ml으로 가장 높았으며, 거제 오수와 통영 저산이 각각 370, 260/ml으로 비슷하였다. 채묘 부진 해역에서 채집된 패류 유생 중의 세균상은 Pseudomonas속 및 그 유사세균이 $53.3\~87.1\%$로 절대 우점종을 차지하였다.

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