• The Transactions of the Korea Information Processing Society
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• v.4 no.8
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• pp.1995-2006
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• 1997

Because of formlessness and sightlessness of software, sytematic quality management is hard to implement. But we attemped collective quality management as hardware production by configuration management and settled on software quality management standard outlines. We are implementing efficient quality management by software quality management according as these standard guidelines. In this study, we study error management supporting functions as an attempt of development of software quality management supporting system which can support quality management activity by reduction and early finding of error input, and represent various visual output elements which can help error management supporting functions. And we represent the background of construction of this software quality management system and searched effects which we can get when we use the error management supporting function.

• Korean Journal of Environmental Agriculture
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• v.27 no.1
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• pp.80-85
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• 2008

This study was carried out to assess the antidermatophytic potential of the ethyl acetate(EtOAc) extract of the marine isolate of Aspergillus sp.. The fungus was isolated by serial dilution, and was identified Aspergillus sp.. The EtOAc extract of the fungus was examined to evaluate the antidermatophytic efficacy against the fungal pathogens infecting human skin using the disc diffusion and MIC(minimum inhibitory concentration) determination methods. The EtOAc extract($5{\mu}l\;disc^{-1}$) was considered to have the antidermatophytic activity based on the inhibition percentage of the mycelial growth of the fungi tested such as Trichophyton mentagrophytes KCTC 6085, Microsporum canis KCTC 6591, Microsporum canis KCTC 6348, Trichophyton rubrum KCTC 6352, Microsporum canis KCTC 6349 and Trichophyton mentagrophytes KCTC 6316. The percentage of the inhibition ranged from 54% to 81, and the MIC obtained was 62.5, 62.5, 250, 125, 125, and $125{\mu}g\;ml^{-1}$, respectively. The extract had a strong detrimental effect on the spore germination of the tested skin infectious pathogens. These findings strongly support the role of the ethyl acetate extract as a potential antidermatophytic agent.

• Proceedings of the Korea Contents Association Conference
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• 2008.05a
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• pp.749-753
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• 2008

Nowadays, first objectives of business activity is to develop competitive power by means of satisfying customer's needs. So, it is necessary to educate and train personnel in call-center in order to develop their job ability and latent ability. Especially departments of call-marketing or tele-marketing in domestic university have established for support of professionals had systematic and professional abilities In this paper, we analyze curricula in university for training call-center. Also, we analyze important subjects in similar departments of university and course descriptions based on educational objectives in college and university.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.10 no.6
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• pp.1119-1123
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• 2006

Wireless sensor network plays a prominent role in tracking the location of the target outdoor or indoor. This paper describes the implementation of the passive indoor location tracking system using ultrasonic and RF technologies that provides accurate location in the form of user space and position in three dimensions. Our system used a combination of RF and ultrasonic technologies to provide a location-support service to users and applicants. Ceiling-mounted beacons were spread through the building, publishing location information on an RF signal. The person carried a listener and the listener determined the location by calculating the distance from three beacons using triangulation algorithm.

• Journal of Navigation and Port Research
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• v.31 no.2
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• pp.141-149
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• 2007

The competitiveness of container terminals hinges on minimizing the time vessels spend in port and on schedule services. Many previous researches on container terminals have tried to optimize the equipment allocation plan and to improve the activity of resources. Nevertheless, there have been few researches conducted on yard tractors, which move containers between the quay and the yard. The aim of this study is to propose the use of Real Time Location Systems (RTLS) based Dynamic Planning for yard tractors. Only RFID (Radio Frequency Identification) tags, which are attached to yard tractors, are able to support RTLS implementation. The system can provide real time job ordering in terms of load balancing using the information on location, in regards to the movement of yard tractors. This study will present the practical feasibility of RTLS, which can ultimately reduce the congestion of Hot Queues in container terminals. As a result, container terminals can be more productive and competitive. In order to accomplish the purpose of this study, we examined previous studies on the competitiveness of container terminals and summarized the potential of RTLS using RFID. In addition, we identified the role of yard tractors and proposed the two rules of Dynamic Planning for the yard tractors. We then fulfilled computational experiments on how yard tractors carrying containers by RTLS ordering Finally, the benefits and the implications of this study are discussed.

• Proceedings of the Korea Water Resources Association Conference
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• 2012.05a
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• pp.38-38
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• 2012

The East Asia (EA) region including China, Taiwan, Japan, and Korea are especially vulnerable to hydrometerological extremes during the boreal summer (June-September). This study, therefore, pursued an exploratory analysis to improve better understanding of the potential impacts of the two types of PJ patterns on WNP Tropical cyclone (TC) activities and TC-induced extreme moisture fluxes over Korea's five major river basins. This study shows that during positive PJ years, the large-scale atmospheric environments are more favorable for the TC activities than those in negative PJ years. During positive PJ year, it is found that there are weaker wind shear, stronger rising motion, as well as large relative humidity over the Korean peninsula (KP) compared to negative PJ years. As a result, TCs making landfall are more exhibited over the southeastern portions of South Korea. Despite the relatively modest sample size, we expect that insights and results presented here will be useful for developing a critical support system for the effective reduction and mitigation of TC-caused disasters, as well as for water supply management in coupled human and natural systems.

• Korean Journal of Pharmacognosy
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• v.28 no.4
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• pp.209-214
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• 1997

This study was carried out to find new antitumor agents from plant resource. Three cytotoxic agents were isolated from the root of Dictamnus albus by hexane extraction, silica gel column chromatography and HPLC. They were identified to be dictamnine $(C_{12}H_9NO_2)$, preskimmianine $(C_{17}H_{21}NO_4)$ and fraxinellone $(C_{14}H_{16}O_3)$ on the basis of spectroscopic evidences. In this study, it was newly found that these compounds possess a cytotoxic activity against lung lymphoma L1210 cell line. Among them. Preskimmianine was the most potent against the lymphoma L1210 with a $IC_{50}$ of $3.125\;{\mu}g/ml\;(10.3\;{\mu}M)$. Toxicity of preskimmianine against normal Iymphocyte was observed at the concentration of $50\;{\mu}g/ml\;(165\;{mu}M)$. These results support the pharmacological role of D. albus, a herb known as Paeksun in Korea and used as an anticancer agent in folk medicine.

• The Korean Journal of Emergency Medical Services
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• v.9 no.1
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• pp.111-119
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• 2005

Glucose is the most importantenergy source in the central nervous system. Because the central nervous system cannot synthesize or store glucose. low blood glucose even for a short period results in no functionally normal activity of the brain. In addition, continuous low blood glucosecan cause irreversible brain damage and brain death. Therefore, the current status of emergency care by first aid staffs during transfer of patients with hypoglycemia has been investigated in this study, 114 patients who have visited the hospital using 119 Emergency Medical Service from January 1, 2004 till December, 2004 and shown blood glucose of 2.8 mmol/L and less on arrival have been involved. In case of nurses, assistant nurses, first aid staffs receiving first aid training and second-class emergency medical technicians(EMTs), they provided basic life support (BLS). In case of first-class EMTs, they measured blood sugar and then they orally administered glucose to conscious patients or provided simple first aids and prompt transfer for unconscious patients. As a result of analysis, it is suggested that first aid retraining is required.

• The Korean Journal of Emergency Medical Services
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• v.9 no.1
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• pp.101-109
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• 2005

The purpose of this study which was done by 250 Prehospital Care Reports(PCRs) survey of some squads in Seoul Metropolitan Fire & Disaster Management Department was to improve prehospital emergency care by means of quality management. The data were collected in 3 squads from Jun. 21 to Jul. 18, 2004 and analyzed by using SPSS Win 12.0 Version. The conclusions from this study were summarized as follows. The mean time of Event to treatment interval was $4.6{\pm}4.3$ minutes and 49.2% arrived at patient within 4 minutes. Platinum minute was observed 61.1% of verbal response, 73.3% of painful response, 77.8% of unresponsive. The great majority of patients couldn't receive advanced life support on account of limited scope of practice and strict direct medical control in the Emergency Medical Services Act. Data from quality improvement activity will be useful to expand indirect medical control which is able to activate prehospital care. To utilize PCR for quality improvement. It has to have data elements, run data, patient data, check boxes, narrative including US DOT's minimum data set.

• Journal of agriculture & life science
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• v.45 no.2
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• pp.85-92
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• 2011

The current study was conducted to investigate effects of sera taken from Hanwoo at different age on adipocyte differentiation. Sera were taken from Korean native (Hanwoo) steers at 6, 12, 18, and 24 months of age, respectively and supplemented to 3T3-L1 preadipocytes after the cells reached confluence and maintained 10 days thereafter. For the first 2 days (48 h), cells were induced to differentiate by addition of differentiation factors, methylisobutylxanthine, daxamethasone, and insulin. After the differentiation, the cells were incubated without differentiation factors except insulin. The cells lost their fibroblastic shape and showed round-up appearances after 10 days incubation with FBS and the sera of Hanwoo steers. Big lipid droplets appeared in the cells cultured with FBS and the sera taken from Hanwoo at 18 and 24 months of age. After 18 months of age, GPDH activity was statistically higher than 6 and/or 12 months of age (P < 0.05). Based on morphology and Sn-glycerol-3-phosphate dehydrogenase activities, Hanwoo steers expressed aged-dependent adipogenic activities, indicating that aged sera may result in high adipocyte differentiation. It is concluded that the 18 months of age may be 'threshold' to express major adipogenic activities. This may strongly support previous field studies reporting considerable increase in fat contents of Hanwoo carcass at over 18 months of age.