• Proceedings of the Korea Information Processing Society Conference
• /
• 2011.11a
• /
• pp.1142-1145
• /
• 2011

최근 스마트폰을 중심으로 한 모바일 기기의 보급 및 활용이 급격하게 증가하고 있다. 이러한 환경 변환에 맞춰 많은 서비스들이 모바일 기기를 위한 형태, 즉 앱으로 개발되고 있다. 이 논문에서는 이러한 패러다임의 이동을 고려하여, 현재의 통계지리정보서비스에 대하여 고찰하고 이를 통해 모바일 기기를 위한 적합한 앱 형태 및 고려사항에 대하여 기술한다. 통계정보는 다양한 형태로 제공될 수 있으며, 특히 지리정보시스템과의 연계를 통한 서비스 활용성과 이해력을 돕기 위한 통계지리정보서비스에 대한 연구가 진행되어 왔다. 그러나 변화하는 패러다임을 고려한 앱 개발에 관한 연구는 미비한 실정이다. 따라서 이 논문에서는 사용자의 통계정보의 활용성 향상시킬 수 있는 통계지리정보 앱 개발 시 고려사항 및 기능에 대하여 기술한다. 이 논문의 결과는 스마트폰과 같은 모바일 기기를 위한 앱 개발을 위한 기초 자료로 활용될 수 있다.

• Journal of Wind Energy
• /
• v.14 no.3
• /
• pp.14-24
• /
• 2023

The significance of renewable energy has been on the rise, as evidenced by the 3020 renewable energy plan and the 2050 carbon neutrality strategy, which seek to advance a low-carbon economy by implementing a power supply strategy centered around renewable energy sources. This study examines the wind resources on the west coast of South Korea and confirms the potential for wind power generation in the area. Wind speed data was collected from 22 automatic weather system stations and four light house automatic weather system stations provided by the Korea Meteorological Administration to evaluate potential sites for wind farms. Weibull distribution was used to analyze the wind data and calculate wind power density. Annual energy production and capacity factors were estimated for 15-20 MW-class large wind turbines through the height correction of observed wind speeds. These findings offer valuable information for selecting wind power generation sites, predicting economic feasibility, and determining optimal equipment capacity for future wind power generation sites in the region.

• Journal of Korea Port Economic Association
• /
• v.23 no.4
• /
• pp.71-90
• /
• 2007

To induce container cargos to Gunsan port, we should struggle on securing the quantity of goods transported from the competitive Jeonbuk and Chungcheong areas by reducing transportation expenses by land, and make an activating plan for the international exchange between Gunsan port and nearby ports in China. As a result, if the plan to induce container cargos to Gunsan port is activated, the regular liners will stop at Gusan port. So the new sea route will be opened so that consignors can ship cargos in the proper time. The consignors will use Gunsan port frequently because of the reduction of distribution expenses. To do so, for the first, many incentives should be implemented to attract container cargos. In addition, various facilities should be fully equipped and improved. This paper is to improve the problems for which consignors, the shipping lines and forwarders may feel uncomfortable when they use Gunsan port. According to the research on the actual condition, the biggest problem in Gunsan port is the depth of water. The management, relation system, infrastructure and information system of Gunsan port are also insufficient. Therefore, this paper will make an alternative plan to improve these problems and help the container cargos induce to Gunsan port.

• Journal of fish pathology
• /
• v.32 no.1
• /
• pp.21-28
• /
• 2019

It has been reported that various anti-oxidant substances stimulate non-specific immune responses in fishes. In this study it was examined whether N-acetylcysteine (NAC), a precusor for anti-oxidant glutathione (GSH) synthesis, can modulate non-specific immune function in Far Eastern catfish Silurus asotus. Immune functions were assessed using the respiratory burst activity monitored by chemiluminescence (CL) responses in isolated leucocyte. NAC stimulated CL responses with doses of 10 or 100 mg/kg, but not with 1 mg/kg after 48 hr injection. It was observed with 10 mg/kg NAC that CL activity continued to elevate from 24 hr through 96 hr post-dosing, and returned to the near preinjection level by 10 days. To understand whether NAC can also activate CL activity in vitro, NAC was directly added to isolated catfish leucocytes. It was observed, however, that NAC can not stimulate CL at reasonable concentration ranges in vitro. As NAC is a precursor for the strong anti-oxidant glutathione (GSH), a putative immune stimulator, it was assessed whether GSH can also stimulate CL responses. Observed results show that GSH activated CL both in vivo and in vitro. The data obtained collectively support the proposition that NAC indirectly stimulates non-specific immune functions in catfish by enhancing GSH biosynthesis, but not by direct action of NAC. Such effects may have beneficial significance in aquaculture for practical utilization.

• Bulletin of the Korean Chemical Society
• /
• v.19 no.1
• /
• pp.37-38
• /
• 1998

• Bulletin of the Korean Chemical Society
• /
• v.20 no.9
• /
• pp.1085-1088
• /
• 1999

• Bulletin of the Korean Chemical Society
• /
• v.20 no.3
• /
• pp.321-324
• /
• 1999

Anisomycin derivatives have been synthesized via syn-amidoalkylation followed by installation of p-methoxy-phenyl group and subsequent transformation.

• Water for future
• /
• v.57 no.3
• /
• pp.34-42
• /
• 2024

• Economic and Environmental Geology
• /
• v.40 no.4
• /
• pp.473-490
• /
• 2007

Strata of the Kachi-1 well, Kunsan Basin, offshore western Korea, were analyzed by using integrated stratigraphy approach. As a result, five distinct unconformity-bounded units are recognized in the well: Triassic, Late Jurassic-Early Cretaceous, Early Cretaceous, Late Cretaceous, and Middle Miocene units. Each unit represents a tectono-stratigraphic unit that provides time-sliced information on basin-forming tectonics, sedimentation, and basin-modifying tectonics of the Kunsan Basin. In the late Late Jurassic, development of second- or third-order wrench faults along the Tan-Lu fault system probably initiated a series of small-scale strike-slip extensional basins. Continued sinistral movement of these wrench faults until the Late Cretaceous caused a mega-shear in the basin, forming a large-scale pull-apart basin. However, in the Early Tertiary, the Indian Plate began to collide with the Eurasian Plate, forming a mega-suture zone. This orogenic event, namely the Himalayan Orogeny, continued by late Eocene and was probably responsible for initiation of right-lateral motion of the Tan-Lu fault system. The right-lateral strike-slip movement of the Tan-Lu fault caused the tectonic inversion of the Kunsan Basin. Thus, the late Eocene to Oligocene was the main period of severe tectonic modification of the basin. After the Oligocene, the Kunsan Basin has maintained thermal subsidence up to the present with short periods of marine transgressions extending into the land part of the present basin.

• Journal of fish pathology
• /
• v.35 no.2
• /
• pp.195-203
• /
• 2022

This study was performed to delineate pharmacokinetic residue characteristics of lincomycin (LM) in olive flounder at low water temperature (13℃), and to examine whether LM is effective against main Gram-negative pathogens. It was observed that the times for residue declined below the maximal residue limit (0.1 mg/kg) in the muscle was, respectively, 32, 33 and 55 days following 10, 20 and 40 mg/kg intramuscular LM injections. The in vitro MIC value of LM against Edwardsiella piscida was higher than 256 ㎍/mL and against Vibrio harveyi 32 ㎍/mL when examined with several clinical isolates. These results suggest that the withdrawal time of LM should be more than 30 days in consideration of the 10 mg/kg employed as the regular clinical dose. It was also found that LM administered to treat streptococosis in olive flounder is not likely to be effective against some pathogenic Gram-negative bacteria.