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스팸차단/공유 서비스의 사용자 경험 디자인에 관한 연구
정승기,서문홍익,박이슬,박효신 한국HCI학회 2019 한국HCI학회 학술대회 Vol.2019 No.2
휴대 전화의 사용 행태는 스마트폰(Smart Phone) 의 확산을 통하여 크게 변화 되었으나, 커뮤니케이션을 방해하는 스팸은 꾸준히 증가 하고 있으며 개인적 피해를 넘어 사회 문제가 되고 있다. 이러한 스팸을 막기 위해 KISA 에서는 불법 스팸대응 센터를 통해 인식 제고 및 실시간 스팸 차단을 해 왔으며, 최근에는 사용자가 앱을 통해 직접 스팸을 차단/공유 하는 서비스에 대한 관심 또한 증가 하고 있다. 본 연구의 목적은 최근 사용이 증가 하고 있지만 폐쇄적 구조로 인해 연구가 많지 않은 스팸 차단/공유서비스의 다양한 서비스 유형을 분석 하고 사용자 조사를 통해 스팸차단/공유 서비스에 대한 개선안을 제안 하고자 한다. 이를 위해 본 연구에서는 통화를 많이 사용 하고 있는 20~40 대 12 명에게 설문 조사를 실시 하였다. 첫번째로 KT 단말에서 OEM 연동을 통해 제공 하는 LINK(연동), 두번째로 SKT T 전화와 같이 제조사의 기본 전화를 대체 하는 전체 모드, 세번째로 제조사 기본 전화 유형을 선정 하여 통화 수신&발신/통화종료 UI 를 대상으로 시행 하였다. 조사 결과 사용자들은 스마트폰 기본 통화화면에서 제공 되는 LINK(연동) 방식의 플랫폼을 가장 만족도 측면에서 우수한 것으로 평가 하였다. 본 연구의 결과는 스팸차단/공유 서비스의 UX 에 중요한 함의를 가질 것으로 기대 한다.
어성초(魚腥草) 약침(藥鍼)이 Melanoma B16 피부암(皮膚癌)의 증식억제효과(增殖抑制效果)와 Mononuclear cell subsets에 미치는 영향(影響)
정승기,Jung, Sung-Ki 대한한방내과학회 2000 大韓韓方內科學會誌 Vol.21 No.3
Experimental studies were performed to investigate the effect of Houttuyniae herba Aqua-acupuncture on the growth of Melanoma 816 tissue and Mononuclear cell subsets in mice. The results are as follows : 1. In the study of lymphocytes numbers in mice circulating blood, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, but without stastistical significance. 2. In the study of $CD4^+$ T cell percentage in mice circulating blood, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, but without stastistical significance. 3. In the study of $CD8^+$ T cell percentage in mice circulating blood, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, with stastistical significance. 4. in the study of lymphocytes numbers in mice spleen tissue, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, but without stastistical significance. 5. In the study of $CD4^+$ T cell percentage in mice spleen tissue, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, but without stastistical significance. 6. In the study of $CD8^+$ T cell percentage in mice spleen tissue, Houttuyniae herba Aqua-acupuncture showed inhibitory effect, but without stastistical significance. 7. In the measurement of melanoma tissue weight, Houttuyniae herba Aqua-acupuncture showed increasing effect, but without stastistical significance. According to above results, it is concluded that Houttuyniae herba Aqua-acupuncture is effective upon immune responses in Melanoma 816 inoculated mice.
加味地黃湯 및 加味地黃湯加味方의 效能에 關한 實驗的 硏究
鄭熙才,李珩九,崔榮哲,鄭昇己 慶熙大學校韓醫科大學韓醫學硏究所 1998 慶熙韓醫大論文集 Vol.21 No.1
Experimental studies were done to research the clinical effects of Gamijihwangtang and Gamijihwangtanggamibang on the viscosity of mucin solution, pulmonary thromboembolism induced by sodium arachidonic acid and ADP(adenosine diphosphate) in mice, estimated the level of pO₂, pCO₂, pH and HCO₃ion of arterial blood, the lung TBA(thiobarbituric acid) values, oxygen consumption time, water contents of lung and histopathological findings of bronchus in O₃ intoxicated rats. The result were obtained as follows 1. Gamijihwangtang and Gamijihwangtanggamibang revealed the decreasing effect with statistically significant(p<0.01) on the viscosity of mucin solution. 2. Both Gamijihwangtang and Gamijihwangtanggamibang had mortality control effect on the pulmonary thromboembolism induced by sodium arachidonic acid in mice. But they had not significant effect. 3. Both Gamijihwangtang and Gamijihwangtanggamibang had mortality control effect on the pulmonary thromboembolism induced by ADP(adenosine diphosphate) in mice. But they had not significant effect. 4. Both Gamijihwangtang and Gamijihwangtanggamibang revealed the decrease control effect with statistically significant(p<0.05) on the blood pO₃ level in O₃intoxicated rats. 5. Gamijihwangtanggamibang revealed the increase control effect with statistically significant(p<0.01) on the blood pCO₂level in O₃intoxicated rats. But Gamijihwangtang had not a significant effect. 6. Both Gamijihwangtang and Gamijihwangtanggamibang revealed the decrease control effect with statistically significant(p<0.01) on the blood pH level in O₃intoxicated rats. 7. Gamijihwangtanggamibang revealed the decrease control effect with statistically significant(p<0.01) on the blood HCO₃ion level in O₃intoxicated rats. But Gamijihwangtang had not a significant effect. 8. Both Gamijihwangtang and Gamijihwangtanggamibang revealed the decreasing effect with statistically significant(p<0.01, p<0.001) on the lung TBA values in O₃intoxicated rats. 9. Gamijihwangtanggamibang revealed the decrease control effect with statistically significant(p<0.05) on the oxygen consumption time in O₃ intoxicated rats. But Gamijihwangtang had not a significant effect. 10. Both Gamijihwangtang and Gamijihwangtanggamibang revealed the decreasing effect with statistically significant(p<0.01) on the water contents of right & left lung values in O₃intoxicated rats. But Gamijihwangtanggamibang had not a significant effect on left lung. 11. Both Gamijihwangtang and Gamijihwangtanggamibang revealed the improved effect on edema, congestion and inflammatory infiltrates of bronchus in O₃ intoxicated rats. According to the above findings, it is suggested that the solid extract of Gamijihwangtang and Gamijihwangtanggamibang revealed effects on chronic respiratory disease.
정승기 대불대학교 1997 論文集 Vol.3 No.1
Small business includes a wide variety of firms activity in virtually every industry and craft. In manufacturing, a small business is one employing less than 300 workers, and labor intensive business units with less 700 employees fall into that class. In other industries, either the level of investment of gross sales is the criterion for size classification. At present, bank customers is weak in the aggregate for loans. Simultaneous-ly, inflation and fears of recession have made it difficult for small business are increasing their dependence on banks and financial institutions as a source of capital. To achieve its goal in a loan request, a firm must appreciate both the lending environment and the lending process itself. One of the most serious threats to the continued existence of the small business firm is its decreased ability to acquire loan funds, and to understand nation's supporting system of finance. Therefore, followings are the remedies for unbalance in the financial structure of nation's small business.
정승기,최영수 대불대학교 2003 大佛大學校大學院 硏究論文集 Vol.2 No.1
The purpose of this study is to compare and analyze the level of urban living environment facilities in 10 cities, including 9 locations of the province office, and Mokpo city, the expectant hinterland of the Chonnam provincial office. For this purpose, this study analyzed the urban living environment facilities, according to 5 analysis indicators including traffic/transportation, urban space, distribution/supply, public culture, and health/sanitation, and according to each individual indicator. The results of this analysis can be summarized as follows. This study showed that as the provincial office is located, owing to the concentration of population, adminstration, and industry, urban diffusion has the negative influence upon the level of its urban living environment facilities, so that rather than the diffusion of urban scale, the establishment facilities, so that rather than the diffusion of urban scale, the establishment of its urban living environment facilities in its optimum scale is important.
Candida albicans에 의한 허리근 농양 1예
정승기,김수연,봉정민,백은기,이규훈,이상오,서일혜,조용균 대한감염학회 2003 감염과 화학요법 Vol.35 No.5
칸디다는 우리 몸의 여러 곳에서 발견되는 상재 진균으로 Candida albicans가 가장 흔히 질병을 일으킨다. 대부분 표재성 감염을 일으키며 칸디다에 의한 심부 감염은 드물다. 심부 감염은 주로 면역약화 환자에서 혈류를 따라 여러 장기에 퍼지는 파종성 칸디다증으로 발생하며, 한 곳의 심부 장기에만 농양을 형성하는 경우는 상대적으로 덜 흔하다. 저자들은 당뇨병과 알코올성 간경변을 가진 환자에서 혈액 및 농 배양 검사에서 C. albicans가 동정된 허리근 농양 1예를 경험하였고 배농과 amphotercin-B, fluconazole로 성공적으로 치료하였기에 문헌고찰과 함께 보고하는 바이다. Candida species are ubiquitous human commensals, of which Candida albicans is most commonly associated with human disease. Candida infections usually involve superficial tissues, but the infections of deep tissues are relatively uncommon. Among the Candida infections of deep organs, disseminated candidiasis is the most common presentation particularly in immunosuppressed patients, however, a single abscess formation in deep organ is rare. We experienced a case of psoasabscess by C. albicans in a patient who had diabetes and alcoholic liver cirrhosis, which was treated successfully by drainage of the abscess and administration of amphotericin-B, followed by fluconazole. We report this case with review of the pertinent literatures.