• Proceedings of the IEEK Conference
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• 1998.06a
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• pp.165-168
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• 1998

This paper describes the characteristics of CT-2 radio wave propagation at 900MHz range. Typical cell coverage of CT-2 based on picocellular design provides a 200m radius. The five sites of urban regions of Kwang Ju city were chosen to characterize propagation in various environments. On the basis of cell coverage data measured with field strength meter, average 75% of telepoint service was retained and it was lack 25% of overall gain. In some sites telepoint service was limited to two of four directions around a station. If specially designed collinear antenna with specific directivities are used in these shadow area, improved results will be acquired.

• The Korean Journal of Food And Nutrition
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• v.11 no.3
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• pp.289-292
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• 1998

Identification and antibiotic susceptibility of Clostridium perfringens isolates from fecal specimens of healthy sheep and dogs were performed from December, 1995 to November, 1996 in Kwang-ju and Chonnam area. C. perfringens was isolated in 3 strains(15.0%) out of 20 healthy sheep and 2 strains(6.7%) out of 30 healthy dogs. In antibiotic susceptibility test of C. perfringens, 80% of the isolates was susceptible to ampicillin, baytril, and penicillin, 60% to cephalothin, and 40% to erythromycin.

• Journal of the Institute of Convergence Signal Processing
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• v.12 no.4
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• pp.228-236
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• 2011

Emotion recognition plays an important role in the research area of human-computer interaction, and it allows a more natural and more human-like communication between humans and computer. Most of previous work on emotion recognition focused on extracting emotions from face, speech or EEG information separately. Therefore, a novel approach is presented in this paper, including face, speech and EEG, to recognize the human emotion. The individual matching scores obtained from face, speech, and EEG are combined using a weighted-summation operation, and the fused-score is utilized to classify the human emotion. In the experiment results, the proposed approach gives an improvement of more than 18.64% when compared to the most successful unimodal approach, and also provides better performance compared to approaches integrating two modalities each other. From these results, we confirmed that the proposed approach achieved a significant performance improvement and the proposed method was very effective.

• Imaging Science in Dentistry
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• v.36 no.2
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• pp.117-121
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• 2006

Peripheral ameloblastoma is an extremely rare odontogenic soft tissue tumor with histologic characteristics similar to those of the intraosseous ameloblastoma. It appears in the gingiva and oral mucosa. And it usually does not show any bone involvement on radiographs, except for saucer shaped erosion of underlying alveolar bone. Recurrence is considered uncommon. We report a case of peripheral ameloblastoma with bone involvement. Histologically it presented with follicles and nest of tumor cells with palisading pattern. And radiographs showed the typical saucer shaped alveolar bone erosion at the distal area of right mandibular third molar. At 6-month follow-up after operation, no local recurrence was noted.

• Journal of The Korea Institute of Healthcare Architecture
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• v.3 no.4
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• pp.7-16
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• 1997

Mental hospital has been expanding its function to psychiatric treatment in the meaning of therapy. Therefore systematic research on thr mental hospital is urgent. This study aims to prepare the basic data which are needed on planning and designing the mental hospital with emphasis on the wards, which take the largest area ratio and play a principal role to psychiatric patients. The process of study is to 1) to survey facility of Mental hospital in Korea, 2) to analize charactor and behavior of psychiatric patients 3) to suggest element of ideal ward in general hospital.

• Journal of Pharmaceutical Investigation
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• v.21 no.2
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• pp.103-110
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• 1991

Two new prodrugs of lonazolac, lonazolac acetic acid ester and lonazolac argininate, were prepared and examined for physicochemical properties and biopharmaceutical characteristics. The prodrugs were stable in solid state and lonazolac argininate showed higher dissolution rate than lonazolacca in both artificial gastric and intestinal juices. These prodrugs have higher analgegic effect than that of lonazolac-Ca in mice, and increased anti-inflammatory activities in rats. In addition, ulcerogenic effects and acute toxicity of these prodrugs were lower than those of lonaaolac-Ca. Lonazolac acetic acid ester showed larger area under the plasma concentration-time curves (AUC) than that of lonazolac. Therefore, it was suggested that these prodrugs of lonazolac have advantages over lonzolac-Ca for not only enhanced bioavailability but also decreased ulcerogenic and toxic effects.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.16 no.1
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• pp.147-157
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• 2013

Rice is a main crop and rice field is the most important farmland in Korea. This study was conducted to propose the methodology assessing impact and vulnerability on rice production by climate change at the regional and national level in Korea. We evaluated a vulnerability of rice paddy according to the outbreak of a main disease and pest of a rice plant. As results, Jeju-do, Gyeongsangnam-do, and Jeollanam-do were more vulnerable area than others. In contrast, the southern central region including Gyeonggi-do was less vulnerable than others. The vulnerable index was significantly higher in 2050s (0.5589) than in present (0.3500). This result showed that the vulnerable to the disease and pest enlarge in the future. The adaptive capacity highly contributed to the vulnerability assessment index. The daily maximum temperature of June and the daily average temperature from May to August also contributed the climate exposure index. The area of occurring sheath blight, rice leaf blast and striped rice borer was related to the system sensitivity index. The ability of water supply (readjustment area of arable land per paddy field area) and rice production technique (rice yield per hectare) were the highly contributed variables to the adaption capacity index.

• The Korean Journal of Health Service Management
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• v.13 no.1
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• pp.15-30
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• 2019

Objectives: This study aimed to analyze people's accessibility to medical institutions providing national gastric cancer screening services in Gangwon-do using a geographic information system(GIS). Methods: To assess the spatial accessibility, network analysis was applied. Two types of network analysis-Service area analysis and origin-destination cost matrix(OD-cost matrix)-were applied to create network dataset. Results: The results of the analysis of the service area revealed that it took more than 60 minutes each to reach tertiary hospitals and general hospitals from 74.4% and 9.6% of Gangwon-do areas, respectively. Similarly, it took more than 60 minutes each to reach hospitals and clinics from 4.2% and 3.4% of Gangwon-do areas, respectively. The results of the OD-cost revealed that there were large regional variations in distance and time taken to reach the medical institutions. Conclusions: there were regional variations of spatial accessibility between Si and Gun in Gangwon-do.

• Journal of the Korean Society of Food Science and Nutrition
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• v.18 no.3
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• pp.255-264
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• 1989

The results of toxicity test using mice and rats for ethanol extract of Bracken Fern collected in Kwang Ju area were shown as follows ; Up to the dose of 10g per kg of mice administered intraperitoneally there was no lethal toxicity so that it was impossible to calculate the median lethal dose $(LD_{50})$. For the first 7 days experiment all rats administered frond extract grouping in 40mg, 400mg, and 1200mg per kg of rat as the daily oral doses did not show any characterized sign in the weight gain rate, anatomical findings, and biochemical studies. For 3 weeks following the first week the weight gain rates of all test group were reduced to $4.2{\sim}7%$ below the weight gain rate of control. In this period serum GPT, GOT, and Alkaline phosphatase value were increased significantly indicating the symptoms of Bracken Fern poisonings. The pathological findings of all test groups for 28 days showed acute and chronic intestinal lesion and liver damage with steatosis especially in 1200g/kg rat groups. In this experiment the Bracken poisonings appeared slowly in rats of 400mg/kg and 1200mg/kg for two weeks and in rats of 40mg/kg for 3 weeks, showing the symptoms of lowering of weight gain rate, subacute hepatitis, hepatic steatosis and enteritis in 28 days experiment.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.1
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• pp.189-199
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• 2019

The purpose of this study is to derive spatial area(preventive zone) where the movement of livestock vehicles occurs frequently. For this purpose, this study used 6 periods facility entrance data provided by KAHIS. This data was converted into vehicle movement data between livestock facilities and aggregated into administrative district units. The R-mode factor analysis was performed on the constructed OD data, and the region extracted by the same factor was judged as one region. The results of the analysis are summarized as follows. First, the factor analysis of 6 periods data showed 16 ~ 18 factors, and the derived factors explained 63 ~ 68% of the total variance. Second, based on the factors that were derived, Jeonam coastal area, Jeonnam area, Jeonbuk area, Chungnam coastal area, Gyeongnam area, northern Gyeongbuk area, Yeongnam costal area were found to be stable, with little change over time. On the other hand, Chungbuk area, Gangwon area, Seoul metropolitan area are relatively volatile areas. Third, 13 areas were derived by combining data from six periods.