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권용찬 ( Yong Chan Kwon ),빈성오 ( Sung Oh Bin ),구진숙 ( Jin Suk Koo ),서부일 ( Bu Il Seo ) 대한본초학회 2015 大韓本草學會誌 Vol.30 No.5
Objectives: The purpose of this study was to examine the prescription intention of Korean medicine doctors on botanical drug. Methods: The subjects in this study were 340 Korean medicine doctors in Korean medical institutions, on whom a survey was conducted from July 1 to August 31, 2014. Results: The factors that affected the prescription decision making of the Korean medicine doctors were drug superiority, level of Interest, Recognition, marketing of sales associates of pharmaceutical companies and satisfaction with information provided by those companies. When the internal consistency of the variables was measured, that was above 0.8. The influential factors had a great explain ability when the general characteristics of the subjects were adjusted(prescription intention : 38.1%). In contrast, the explainability of the factors was low when only their general characteristics were inputted(prescription intention : 8.0%). Among the five factors, satisfaction with marketing and awareness didn``t exert a significant influence on prescription intention. Conclusions: Accordingly, well-planned education and promotion efforts are required to encourage Korean medicine doctors to put more prescription intention in botanical drug. This study had some limitations : First, the subjects were selected in a manner to allow for the convenience of this researcher, and the findings might not be generalizable. Second, there was a problem with the time for the study in that there were quite fierce disputes on botanical drug at that time. Third, the majority of the subjects run their own hospitals, and the number of them was small. So it``s not possible for them to represent every Korean medicine doctor.
권용찬 ( Yong Chan Kwon ),최규식 ( Gyu Chik Che ) 한국항행학회 2010 韓國航行學會論文誌 Vol.14 No.6
본 논문에서는 축삭의 전도 현상을 분석하기 위해서 축삭을 전기전도 모델로 만든 후 여기에 키르히호프의 전류법칙과 전압법칙을 적용한 등가회로를 구성하였다. 축삭의 미세거리 변화에 의한 전위의 거동을 분석하기 위하여 축삭의 각종 파라미터를 구하였다. 검토결과에 의하면 무수신경인 경우 직경을 미지수로 하여 인체의 파라미터를 이용하면 그 속도는 직경의 제곱근에 비례한다. 한편 유수신경인 경우는 그 속도가 직경에 직접적으로 비례한다. 미엘린이 없는 막과는 달리 미엘린껍질의 전도는 전압과 무관하므로 이러한 막 양단의 Hodgkin-Huxley 형 전도모델이 매우 정교하지는 않다. I made the axon to the electrical transmission model and then constructed electrical equivalent model using Kirhhoff`s current law and voltage law in this paper. I calculated various axon parameters in order to analyze the electrical potential hehavior versus minute distance chang of axon. The transmission velocity of unmyelinated nerve is proportional to square root of axon diameter, while that of myelinated nerve is directly proportional to its diameter. Because the transmission of myelin sheath is independent of voltage unlike unmyelinated sheath, the Hodgkin-Huxley model across the membrane is not so precise.