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허준,변성진 경희대학교 부설 조경계획연구소 1996 造景論叢 Vol.8 No.1
At the time of research, middle school students gave rise to lots of social problems. It might be remedied by the proper education and leisure in a way. It was the physical activity that they liked most to any other. But the lack of physical education and facility could not be adequate to their needs. So this research was carried out to employ the urban park in the physical education and leisure space. And the followings were the things which were connected with the solution. It was not what all kinds of park should be physical park but the park which had completed facilities or not could be used as it, because there was a physical park in the current urban park act. A self-governing body had to realize the lack of physical education space and facility so as to establish an ordinance. And the problems which could be occurred during school hours could be solved by grouping schools which lay adjacent to a park. So walking and shuttle bus could help it.
허준,김태효,공근수,성경탁 대한비뇨의학회 2005 Investigative and Clinical Urology Vol.46 No.4
Retrocaval ureter is a rare congenital anomaly that causes symptomatic hydronephrosis. Despite difficulties in the intracorporeal suturing, a retrocaval ureter is thought to be a good candidate for laparoscopic surgery, especially from the cosmesis. Laparoscopic ureteroureterostomy has advantages compared to conventional open surgery in terms of less pain, decreased blood loss, smaller operative wound and shorter hospital stay. Herein, we report our initial experience of laparoscopic ureteroureterostomy in a patient with a retrocaval ureter.
보안정책에 대한 편향적 사고가 보안준수 행동에 미치는 영향
허준,안성진 한국컴퓨터교육학회 2020 컴퓨터교육학회 논문지 Vol.23 No.1
From the perspective of compliance with security policies by members of the organization, which is a major cause of security incidents, this study presented biased thinking as factors that affect compliance with security policies and verified the following: First, the impact of biased thinking on security policies on compliance with security policies is verified. Second, the participation of management, perceived risk, education and punishment of management will verify the adjustment effect of increasing or decreasing biased thinking. Finally, we have verified that compliance attitudes have a significant impact on compliance behavior. To this end, 157 people were surveyed, statistical analysis of research models and structural equations, and conformity analysis were conducted. Studies have shown that biased thinking has a negative effect on the attitude of compliance with information security. In addition, it was analyzed that the attitude of compliance with information security policy increases policy compliance behavior. On the other hand, the higher the perceived risk of information security, the lower the bias was the adjustment effect, but management's participation, education and punishment were found to have no adjustment effect. 보안사고 예방을 위한 많은 노력에도 불구하고 조직구성원의 보안행동과 연관된 정보유출, 랜섬웨어 등 치명적 보안사고 피해는 해마다 늘어나고 있다. 이 연구에서는 보안사고의 주요한 원인인 조직원의 보안정책 준수의 관점에서, 보안정책 준수에 영향을 주는 요인으로 편향적 사고를 제시하고 다음을 검증하였다. 첫째, 보안정책에 대한 편향적사고가 보안정책준수 태도에 주는 영향을 검증한다. 둘째, 경영진의 참여, 지각된 위험성, 교육 및 처벌이 편향적 사고를 증가 또는 감소시키는 조절 효과를 검증한다. 마지막으로, 보안정책준수 태도가 준수행동에 유의미한 영향을 주는 지 검증하였다. 이를 위해 157명을 대상으로 설문조사를 실시하고 연구모형 및 구조방정식 통계적 분석, 적합성 분석을 실시하였다. 연구결과 편향적 사고는 정보보안 정책준수 태도에 부정적 영향을 주는 것으로 나타났다. 또한 정보보안 정책준수 태도는 정책준수 행동을 증가시키는 것으로 분석되었다. 한편, 조직원 개인이 정보보안에 대한 위험성을 높게 지각할수록 편향적 사고를 감소시키는 조절효과가 있었으나, 경영진의 참여, 교육 및 처벌은 조절효과가 없는 것으로 나타났다. 향후, 연구결과는 내부조직원에 의한 보안사고 대처방안에 시사점을 줄 것으로 기대된다.
오차 패턴 모델링을 이용한 Hybrid 데이터 마이닝 기법
허준,김종우 한국경영과학회 2005 韓國經營科學會誌 Vol.30 No.4
This paper presents a new hybrid data mining technique using error pattern modeling to improve classification accuracy when the data type of a target variable is binary. The proposed method increases prediction accuracy by combining two different supervised learning methods. That is, the algorithm extracts a subset of training cases that are predicted inconsistently by both methods, and models error patterns from the cases. Based on the error pattern model, the predictions of two different methods are merged to generate final prediction. The proposed method has been tested using practical 10 data sets. The analysis results show that the performance of proposed method is superior to the existing methods such as artificial neural networks and decision tree induction.
Leucine-C¹⁴에 依한 Puromycin이 白鼠顎下腺의 蛋白合成에 미치는 影響에 關한 自記放射法的硏究
許濬 최신의학사 1971 最新醫學 Vol.14 No.11
Male Balb C/Strain were used in all experiment. They ranged in weight from 18 to 23 gm. Puromycin dihydrochloride was injected intraperitoneally in aqueous solution, in a concentration of 2mg. /ml. , which had been neutralized with naoh. Two doses of 80mg/kg body weight each were given on day 1 intervals. Following the last injection, 3 pairs each were sacrificed on days 4, 6, 10 and 15. Thirty minutes prior to sacrifice 49c/gm body weight of leucine-C" (Specific Activity 278mc/mM) were injected. For the light microscopic studies, tissue were fixed 2% paraformaldehyde and sections were stained with toluidine blue o. The purpose of the present study was to determine, by means of quantitative autoradiography, the effect of puromycin on the protein synthesis of submandibular gland cells. 1. Following administration of puromycin to mice for 10 days, many of the acinar cells are lack the normal basophilia, increase of the vacuoles and the nuclear pyknosis. 2. We have observed that the protein synthesis as expressed by the incorporation of leucine-C" into submandibular gland cells is suppressed during first 4 days after the puromycin injections, but was significantly suppressed by 10 days. The grain number in puromycin-treated animals increased to a level similar to that of the controls by 15 days. 3. It is concluded that the synthesis of overall cytoplasmic proteins is temporarily impaired after puro-?mycin injections in submandibular gland cells of mice.