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김종윤,김병우,권기록,Kim, Jong-Yoon,Kim, Byung-Woo,Kwon, Ki-Rok 대한약침학회 2007 Journal of pharmacopuncture Vol.10 No.1
Objectives : Heavy metal contents in cultivated wild ginseng from Korea and China were evaluated for the safety purpose. Methods : Arsenic(As), cadmium(Cd), lead(Pb), mercury(Hg), copper(Cu), chromium(Cr), and selenium(Se) from the root, stem, and leaves of the Korean cultivated wild ginseng and the root of the Chinese cultivated wild ginseng were analyzed for the existence of heavy metal contents. Results : Most of heavy metals weren't detected in all the samples. Copper and lead were found in very minute volume and didn't reach the toxic concentration level of 10mg/kg. Samples used in the test were grown in non-contaminated areas, free from heavy metal contamination. Conclusions : Based on above results, cultivated wild ginseng from Korea and China are relatively safe from the heavy metal exposure. But for more rigorous quality control, an epidemiological survey using the samples from more diverse areas should be conducted.
급속응고된 금속분말의 응고거동 및 제조법에 관한 연구 ( Part 1 : 급속응고 제조법 )
김종윤,윤우영 ( Jong Yoon Kim,Woo Young Yoon ) 한국주조공학회 1995 한국주조공학회지 Vol.15 No.2
N/A New metallic powder making processes, named Centrifugal Emulsification Process(CEP) and Mixer and Settler(MS) have been developed to synthesize rapid solidified metallic powders. Through CEP and MS processings, the high temperature metals as well as the low temperature alloys are manufactured. Also, the effects of rapid solidification on the undercooling, solidification rate and crystallization behaviors can be evaluated effectively through the processes. The standard deviations of the synthesized typical Pb-Sn eutectic powders are 1.63 and 1.51 for CEP and MS respectively, and the average size of the MS powders was 18㎛. The possibility of the customized not only size and shape control but microstructure control was also shown. Both of the new methods can be applied to continuous powder making processes.
기능성 소화불량증 환아(患兒)의 위전도에 대한 내소화중탕(內消和中湯)의 효과(效果)
김종윤,이진용,윤상협,Kim, Jong-Yoon,Lee, Jin-Yong,Yoon, Sang-Hyub 대한한방소아과학회 2002 대한한방소아과학회지 Vol.16 No.2
We have surveyed the epidemiology of functional dyspepsia in 7 cases of Children and investigated the therapeutic effect on Functional Dyspepsia following 4 weeks medication of Naesowhajung-tang using Electrogastrogram. The Results were as followings: 1. Sex ratio are 6 males, 1 female; their mean ages, $9.0{\pm}1.41(7-11years)$; length, $137.2{\pm}13.86cm$; body weight, $35.3{\pm}l1.34kg$. 2. Most of subjects have a normal growth state. But one case have severe growth disturbance. Familial tendency for this disease is noted in 85.8%. 3. Abdominal pain was seen in 100% of subjects. The indicated symptom was lowed in order of abdominal pain(100%), nausea vomiting(71.43%), general fatigue(65.34%), vertigo headache(57.14%), belching(55.38%), etc. 4. The EGG finding after treatment was improved in 53%, aggrevated in 43. In cases, postprandial improvement was more remarkable than fasting improvement. Common cold and antibiotics seems to have functioned as an aggrevating factor on gastric motility. From the above results, Naesowhajung-tang seems to have been used in the treatment of functional dyspepsia for children.
김종윤(Jong-Yoon Kim),박종승(Jong-Seung Park) 한국게임학회 2017 한국게임학회 논문지 Vol.17 No.6
본 논문에서는 구면 영상에서 영역 분할 정보를 사용하여 바닥 영역을 검출하는 방법을 제시한다. 평면 영상에서의 Watershed 영역 분할 방법을 수정하여 구면 영상의 영역 분할에 적용할 수 있도록 하였다. 영역들을 분할한 뒤 가정된 바닥 영역 픽셀의 색상과 질감을 그 외의 영역들과 비교하여 바닥 영역을 검출한다. 구면 파노라마 영상에서는 구면 왜곡으로 인하여 평면에서의 바닥 검출 방법을 그대로 적용할 수 없다. 구면 왜곡을 고려한 바닥 영역 검출을 위하여 바닥 영역의 외곽선을 검출하는 알고리즘을 설계하였다. 실험에서 지상물이 없는 경우와 있는 경우의 모두에서 적절하게 바닥 영역을 검출할 수 있는 결과를 보였다. In this paper, we propose a ground area detection technique based on region segmentation in the spherical image. We modified the Watershed planar image segmentation method to segment spherical images. After regions are segmented, the ground area is detected by comparing colors and textures of pixels of the assumed ground region with the pixels of other regions. The ground detection technique for planar images cannot be used for spherical images due to the spherical distortion. Considering the spherical distortion, we designed the ground shape detection algorithm to detect the ground area in the spherical images. Our experimental results show that the proposed technique properly detects ground areas both for the flat ground and the obstacle-filled ground environments.
김종윤(Jong-Yoon Kim),정호원(Ho-Won Jung),김길조(Gil-Jo Kim) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.1A
SEI의 P-CMM은 소프트웨어 개발인력의 성숙도를 5개의 계층적인 단계로 분류 · 평가하며, 성숙도 측정의 기준으로 계량적인 메저먼트를 각 단계별로 제시하고 있다. 본 연구에서는 먼저 P-CMM을 설명하며, P-CMM에서 제시된 메저먼트를 기초로 GQM 접근법을 사용하여 계량적인 척도를 정의하였다. 또한, 지속적인 소프트웨어 품질개선을 위한 생명주기 모형인 IDEAL을 이용하여 본 연구에서 정의된 척도의 적절한 적용방법을 제시하였다.