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김원일,오경두,안원식,전병호 한국수자원학회 2008 한국수자원학회논문집 Vol.41 No.11
수문학적 해석에 있어 레이더 강우의 활용은 원시자료를 획득하기가 어려울 뿐만 아니라 이를 처리하여 적용하는 과정이 간단하지 않기 때문에 대부분의 연구와 실무적용에 있어 많은 어려움이 있다. 본 연구에서는 레이더 영상자료를 실용적으로 활용하기 위한 방안으로 기상청에서 제공하는 레이더 합성 CAPPI(Constant Altitude Plan Position Indicator) 이미지 자료를 디지털 강우자료로 변환할 수 있는 '레이더 영상 디지털 변환법(RA The use of radar rainfall for hydrological appraisal has been a challenge due to the limitations in raw data generation followed by the complex analysis needed to come up with precise data interpretation. In this study, RAIDOM (RAdar Image DigitalizatiOn
김원일,Bing Tian Zhao,이제현,이동욱,김영식,민병선,손종근,우미희 한국생약학회 2014 Natural Product Sciences Vol.20 No.4
A simple GC method with a FID detector was developed in order to determine two main compounds (b-sitosterol and lupenone) for Adenophorae Radix. b-Sitosterol and lupenone were analyzed by the gradient thermal ramping method. Nitrogen was used as the carrier gas at 108 kPa. The flow rate of gas was 2.0 mL/min; 2 mL of filtered sample was injected at a split ratio of 1 : 80. This method was fully validated with respect to linearity, precision, accuracy and robustness. Further, this GC-FID method was applied successfully in order to quantify two compounds in an Adenophorae Radix extract. The GC analytical method for classification analysis was performed by repeated analysis of 59 reference samples in order to differentiate between Adenophora triphylla var. japonica Hara and 14 Codonopsis lanceolata. The results indicate that the GC-FID method is suitable and reliable for the quality evaluation of Adenophorae Radix.