• Title/Summary/Keyword: Marine products-marine

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Verification of the Wind-driven Transport in the North Pacific Subtropical Gyre using Gridded Wind-Stress Products Constructed by Scatterometer Data

  • Aoki, Kunihiro;Kutsuwada, Kunio
    • Proceedings of the KSRS Conference
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    • 2007.10a
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    • pp.418-421
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    • 2007
  • Using gridded wind-stress products constructed by satellite scatterometers (ERS-1, 2 and QSCAT) data and those by numerical weather prediction(NWP) model(NCEP-reanalysis), we estimate wind-driven transports of the North Pacific subtropical gyre, and compare them in the central portion of the gyre (around 300 N) with geostrophic transports calculated from historical hydrographic data (World Ocean Database 2005). Even if there are some discrepancies between the wind-driven transports by the QSCAT and NCEP products, they are both in good agreement with the geostrophic transports within reasonable errors, except for the regional difference in the eastern part of the zone. The difference in the eastern part is characterized by an anticyclonic deviation of the geostrophic transport resulting from an anti-cyclonic anomalous flow in the surface layer, suggesting that it is related to the Eastern Gyral produced by the thermohaline process associated with the formation of the Eastern Subtropical Mode Water. We also examine the consistency of the Sverdrup transports estimated from these products by comparing them with the transports of the western boundary current, namely the Kuroshio regions, in previous studies. The net southward transport, based on the sum of the Sverdrup transports by QSCAT and NCEP products and the thermohaline transport, agrees well with the net northward transport of the western boundary current, namely the Kuroshio transport. From these results, it is concluded that the Sverdrup balance can hold in the North Pacific subtropical gyre.

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Establishment of monitoring system by ubiquitous computing (유비쿼터스 컴퓨팅에 의한 모니터링 시스템 구축)

  • Lee, Yun-Min;Shin, Jin-Seob
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.19 no.1
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    • pp.127-132
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    • 2019
  • In this paper, we design and build an information system for the growth management of agricultural products and aquatic products by ubiquitous computing. So that, we installed various sensor systems and developed IP Cam to establish monitoring. It was possible to construct an environmental management system based on IT technology by a database that directly controls and manages the growth conditions of agricultural products and aquatic products by monitoring. We have installed various sensors that can acquire data in real time and IP Cam is designed and manufactured in three parts. It was applied to agricultural and marine products and monitored soil moisture, temperature, and environmental information to establish conditions for growth environment.

Transportation Impacts on the Spatial Characteristics of Gateway Cities in the Geum River Basin, Korea: A Case of the Gunsan and the Gangyeong (금강유역 관문도시의 교통 변천에 따른 공간적 특성 변화 : 군산과 강경을 대상으로)

  • Song, Kyoung-Eon
    • Journal of the Korean association of regional geographers
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    • v.15 no.3
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    • pp.351-368
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    • 2009
  • The internal structure of gateway city is to be influenced by the external relations. The purpose of this study is to examine the transportation impacts on the spatial characteristics of gateway cities in the Geum River basin, Korea. The changes of the transportation is classified by the commodity, the rice flow, and the functions of the gateway are examined in Gunsan-Si and Ganggyeong-Eup. Major findings of the study are as follows. First, the water and land transports in the gateways are connected or not. In the flow of the rice, the Gunsan gateway is connected, while the Ganggyeong is not. The difference is reflected in the location of the port and railway station. In the flow of marine products and salt, the Ganggyeong gateway is connected, while the Gunsan is not. Second, there had been separated or not in the location of the ports of the marine products and the rice. They are separated in the Gunsan, while not separated in the Ganggyeong. The results imply that there are to be difference between the two ports after the gateway of rice.

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A Study on the New Trend of The Consumption District Cold Storage Warehouse Industry in Japan - Focused on Japan Capital region - (일본 소비지 냉동냉장창고의 새로운 움직임 -수도권 냉동냉장창고를 중심으로 -)

  • Chang Hong-Seock
    • The Journal of Fisheries Business Administration
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    • v.37 no.2 s.71
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    • pp.111-139
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    • 2006
  • Cold storage warehouse industry in Japan has been extended in its scale in terms of both the number of storages and cold storage capacity in order to meet the extended reproduction of the marine products industry. However, increasing total amount of the stored goods since mid 80s led to relative decrease of marine products while the number of storages was remained the same or decreased, though cold storage capacity was gradually increased and is maintained the increase of the average cold storage capacity. As structural change in the cold storage warehouse industry emerges, cold storage warehouses require new approach to individual storage management with 1)diversity of the stored goods; 2) more competition due to increase of the cold storage capacity; and 3) sizing of the average cold storage capacity. Therefore, this study analyzed how cold storage warehouse management activity with individual storage sizing changes; and significance of sizing and functional change in cold storage warehouses experiencing sizing, by observing leading cold storage warehouse industry of the metropolitan area in Japan. In conclusion, reorganization of cold storage warehouse industry in the metropolitan area in Japan can be summarized as follows: First, competition among cold storage warehouses in the metropolitan area in Japan is not simply limited to storage industry but extended to establishment and securing physical distribution function. Second, since cold storage warehouse industry is in Scrap & Build phase, decision of management executives on whether taking direction to maintain/continue enhancement of physical distribution function may cause drastic reorganization in the cold storage warehouse industry, Third, since profit of physical distribution management based on cold storage warehouses is insignificant, it is not easy to accomplish expected management outcome, Fourth, today's cold storage warehouse industry mainly characterized by diversity of the stored goods needs facility reorganization with comprehensive and functional integration covering from F class cold storage capacity to F&C class.

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Emerging Issues of East Asian Fisheries in Conjunction with Changes in Climate and Social Systems in the 21st Century (21세기 기후 및 사회체제 변화와 관련하여 동아시아 수산활동에서 떠오르는 사안들)

  • Kim, Suam;Low, Loh-Lee
    • Journal of Environmental Policy
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    • v.10 no.3
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    • pp.73-91
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    • 2011
  • The fisheries in East Asia are reviewed in conjunction with climate change and social-economic developments in the 20th century. About one third of the human population resides in this region, producing a large share of the world's fisheries products, consuming them, and contributing significantly to the international trade of the products. Ongoing local and global climate changes, as well as ocean warming and acidification, are anticipated to have significant impacts on fisheries. Frequent typhoons have brought untold calamities and miseries to coastal communities. The rate of environmental change is outpacing our ability to respond effectively. The science must now move beyond identifying issues and toward providing sound bases for the development of innovative solutions, including effective adaptation and mitigation strategies. Fisheries management plans must be made to consider both changes in climate and social systems. It seems logical that an international forum should be made available to coordinate scientific research, management, and conservation of the region's fishery resources.

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Production of Oleamide, a Functional Lipid, by Streptomyces sp. KK90378

  • Kwon, Jeong-Ho;Hwang, Sung-Eun;Han, Jae-Taek;Kim, Chang-Jin;Rho, Jung-Rae;Shin, Jong-Eon
    • Journal of Microbiology and Biotechnology
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    • v.11 no.6
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    • pp.1018-1023
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    • 2001
  • Oleamide (cis-9-octadecenamide) is endogenous primary amide of fatty acid that is produced in small amounts in animal brains. It is known to induce sleep and to lower temperature by destroying the lipid plasma membrane structure of cells, thereby disclosing gap junction channels. To develop a new biological production method for oleamide, a screening program was conducted to isolate a microorganism producing oleamide. Among 1,500 soil microorganisms tested, KK90378 exhibited a potent positive reaction with Dragendoff`s reagent, used to detect the primary amide of oleamide. KK90378 was identified as a Streptomyces species based on cultural and morpohological characteristics, the presence of diaminopimelic acid in the cell wall, and the sugar patterns for the whole-cell extrat. Streptomyces sp. KK90378 produced oleamide 3 days after culture at $28^{\circ}C$, pH 7.2 A series of purification steps, including hexane extraction, silica gel column, and preparative thin layer chromatographies, were performed for the purification of oleamide. A spectrophotometric analysis using $^1H$, $^13C$-NMR, and GC-MS confirmed that the chemical structure of the purified oleamide was identical to that of authentic oleamide.

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RFID Code System for Traceability of Medical Herb (한약재 이력 정보 추적을 위한 RFID 코드체계)

  • Kim, Chul;Kim, Sang-Kyun;Kim, Jin-Hyun;Song, Mi-Young
    • Journal of KIISE:Computing Practices and Letters
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    • v.15 no.12
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    • pp.973-977
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    • 2009
  • The tracing system means that the system can follows, traces, and records every steps of production and delivery of goods and its ingredient. Specially, Koreans have big concern about food tracing system which is influential for health directly. We were more interested in medical herb using in oriental medicine than any other things. We proposed the process and design of tracing system for medical herb based on RFID(Radio Frequency IDentification) technology in this research. This study shows current medical herb tracing ways and RFID code system by using for world standard. Firstly, We designed the new process of traceability of medical herb with various preceding references based on RFID technology. Secondly we suggest that RFID code configuration using the international standard code(ISO code) and korean agricultural and marine products code for the proposed process. RFID code system is very important because this plays a means of identification for tracing about medical herb. The proposed code system have the elements as Issuing Agency Code, Issuer Number, inspection information, inheritance flag, area code, modified agricultural and marine products code, serial number in 96 Bit length. Lastly We defined the code-generation process in the tracing system.

Refining of Squid Viscera Oil (오징어 내장유의 정제)

  • Ha, Jin-Hwan;Lee, Eung-Ho;Kim, Jin-Soo
    • Applied Biological Chemistry
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    • v.40 no.4
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    • pp.294-300
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    • 1997
  • As a part of basic investigation for utilizing by-products derived from marine food processing more effectively as a food source, refining of viscera oil of squid caught off Newzealand were investigated. In the process of refining, degumming with 3% of phosphoric acid at $60^{\circ}C$ for 30 min was effective in removing phosphatides, and optimal condition to neutralize was treating with 0.6% excess of 20% sodium hydroxide solution at $80^{\circ}C$ for 20 min. Bleaching was optimized by adding 10% activated clay and treating for $100^{\circ}C$ for 20 min under vacuum, and deodorizing was done by steam destillation at $180^{\circ}C$ for 60 min under 4 torr of vacuum. Acid value, peroxide value and chromaticity of refined squid viscera oil were 0.20, 0.8 meq/kg and 0.019, respectively. The ratio of polyenoic acid composition to saturated acid composition of refined squid viscera oil was 1.28 and its major fatty acids were 16 : 0, 18 : In-9, 20 : 5n-3 and 22 : 6n-3.

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Properties of CFRP by VaRTM Process and Its Application to Automobile Engine Hood (VaRTM 공법에 의해 제조된 CFRP의 특성평가 및 자동차 엔진 후드에 응용)

  • Kim, Y.H.;Choi, B.G.;Son, J.H.;Cho, Y.D.;Eum, S.H.;Woo, B.H.
    • Proceedings of the Korean Society of Marine Engineers Conference
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    • 2005.06a
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    • pp.377-381
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    • 2005
  • The using of composite material is an aviation field but it changes into a general industry. Especially composites are expanding the use on transportation vehicles like automobiles, ships, and aircraft. The main factor of this expansion is high specific strength. It can supply a high quality and efficiency of energy. But manufacturing of composite products requires many raw materials and tooling cost for special process, so we needs a reduction of these costs to achieve best efficiency. In the present study, we contrast the change of mechanical and physical properties between VaRTM(Vacuum Assisted Resin Transfer Molding) and hand lay-up process. VaRTM process can offer a high quality the same as autoclave products, and low cost like hand lay-up process. In the results of mechanical tests, VaRTM specimen is stronger than hand lay-up specimen and hand lay-up specimen became delamination. In the results of physical tests, the resin content of VaRTM specimen is lower than hand lay-up specimen. On micrograph, the strength of specimen by VaRTM between fiber and resin is stronger than that of one by hand lay-up. And the specimen by hand lay-up contains more defects than one by VaRTM. So, VaRTM process can practically apply for automobile engine hood. This paper shows that VaRTM process is one of the most suitable processes for composite parts of automobile.

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An Empirical Study on the Use of Trade Insurance by Korea Agricultural and Marine Products Trading Companies (한국 농수산물 수출업체의 무역보험상품 이용에 관한 실증분석)

  • PAK, Myong-Sop;PAK, Young-Hyun
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.66
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    • pp.285-312
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    • 2015
  • Export and import of food, agriculture, forestry, fishery products are suffering from low growth rate due to the European financial crisis, global recession, and Japan's 2012 export expansion following the aftermath of 2011 earthquake. Upon the signing and enactment of Free Trade Agreement with the U.S. and the EU, agriculture and fishery product have become the center of attention. Agriculture and fishery was reported to be 80million dollars, 1.46% of total national export, in 2012. Starting from2000, South Korea's government began its effort to expand agriculture and fishery export and as a result, export has steadily increased despite decreased consumption led by global recession. K-Sure has started an insurance program with the purpose of promoting SME business's export. It protects SME business against risk arising from credit, emergency, bad debt, and domestic price increase. This study aims to evaluate the service quality of K-Sure's insurance program via surveying SME businesses in the agriculture and fishery industry. Also this study will identify key service factors for SME businesses and explore ways to expand SME exports of agriculture and fishery by analyzing consumer satisfaction index. Results indicated service product quality factor, service communication quality factor, and social quality factor was key to improving consumer satisfaction for SME businesses in agriculture and fishery industry. Service product quality factor had a negative effect on consumer satisfaction in term of variety and results indicated that service communication quality factor's responsiveness element had minimal impact on consumer satisfaction. Conversely, all elements for social quality factor had positive effects on consumer satisfaction. Thus, leading to the conclusion that improvements in service product quality factor and service communication quality factor will indeed increase consumer satisfaction.

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