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한방병원에 요통으로 내원한 환자에서 X-ray상 요추측만과 MRI상 HIVD와의 연관성 분석
김길환,최영준,권옥준,주영국,송승배,송광찬,서지연,추원정,Kim, Kil-Hwan,Choi, Young-Jun,Kwon, Ok-Jun,Joo, Young-Kuk,Song, Seung-Bae,Song, Gwang-Chan,Seo, Ji-Yeon,Choo, Won-Jung 척추신경추나의학회 2016 척추신경추나의학회지 Vol.11 No.1
Objectives : This study is planned to classify Correlation between Cobbs Angle of Lumbar scoliosis and prevalence of Lumbar Intervertebral Disc. Methods : We Measured the lumbar scoliosis angle of the 114men and 91 women patients with lumbar pain in Bucheon Jaseng Korean Medicine Hospital. We use Cobb's angle method for measuring the lumbar scoliosis. And We use Magentic Resonance Imaging(MRI) for classifying the patient who has lumbar intervertebral disc or not. Results : 1.There was no statistical relation between the Cobbs angle and gender(P>0.05) 2.There was no statistical relation between the Cobbs angle and age(P>0.05) 3.There was significant relation between the direction of lumbar scoliosis and the direction of disc herniation(P<0.05) 4.There was no statistical relation between on the Cobbs angle and disc herniation. The more severe of lumbar scoliosis has not tendency of disc herniation. 5.There was no statistical relation between lumbar scoliosis Cobbs Angle on HIVD of L-spine patient and direction of disc herniation on horizontal plane. Conclusions : The direction of disc herniation has tendency of the opposite direction of lumbar scoliosis. When disc herniation, opposite side bending broad intervertebral foramen and reduce pressure.
작물에 흡수된 방사성 동위원소의 내부 조사 효과에 관한 연구 (4) - 교맥 (蕎麥) 생장에 미치는 P-32 시용의 잔류 효과 -
김길환(Kil Hwan Kim),차종환(Jong Whan Cha) 한국식물학회 1968 Journal of Plant Biology Vol.11 No.1
Buckwheat seeds produced in previous year (1965) in an experimental pot culture in which nine leve1s of P-32 ranging from 1.4×10 exp (-4) to 3.3×10 exp (4) μc/pot(as of 27 July 1965), with the same specific activity, had been applied to the corresponding pots respectively, were used this year(1966) in water and soil culture as well as in germination test to investigate the feature and extent of possible residual effects of P-32 incorporated upon germination and plant growth, and the following results were obtained: 1. Under the given experimental conditions both stimulative and inhibitory effects of radiation were observed. 2. The germination rate of the seeds was lower at the higher level of P-32 application ranging from 3.0×10 exp (3) to 3.3×10 exp (4) μc/pot and higher at 0.2 μc P/pot than the control. 3. Among the seeds produced at the higher level of appiication about 80% was failed to germinate, owing to the radiation injury. The remaining 80% survived the damaging effect and showed vigorous growth and increased yield. The latter group of seeds thus proved themselves to be more radioresistant than the former. 4. The survived seeds produced later more straw and root on dry weight basis. The higher the level of P-32 applied, the stronger the stimulative effect showed in vegetative growth. 5. No radiation effect on linear growth of the plants was observed in the soil culture. 6. The dry weight of straw produced showed little difference at the moderate range compared with that of control in the soil culture. At high level of application, i.e. over μc P^(32)/pot, however, the production was increased by 12-37% of control. 7. As for the dry weight of root harvested, the P-32 treatment over 24μc P^(32)/pot produced 82-155% more than the control, whereas little difference was observed under 2.2μc P^32/pot. 8. The seed production increand in general by the P-32 treatments. Particularly at the moderate level of application the rate of increase anounted to 70% of the control. 9. Those individual plants which survived damaging effects of radiation at the germinating stage showed remarkable stimulative effects both in vegetative and in reproductive stage of growth.
P32를 이용한 녹비의 (綠肥) 수도에 (水稻) 대한 비효에 (肥效) 관하여
김길환(Kil Hwan Kim),차종환(Jong Whan Cha),은황석(Kwang Suk Eun) 한국식물학회 1968 Journal of Plant Biology Vol.11 No.3
有機質 肥料의 施用 適量을 究明하기 爲하여 水稻를 Wagner pot(1/20,000反)에 砂耕栽培하여 그 生育을 調査하는 한편 燐酸 吸收 關係를 P-32를 追跡子로 利用 實驗하여 다음의 結果를 얻었다. 1. 有機質 肥料 施用이 本 實驗與件 下에서 作物의 線生長, 藥乾物重, 平均穗長, 稔實率, 種實風乾重等에 뚜렷한 影響을 나타내지 않았다. 2. 種實數는 對照區에 比하여 pot 當 乾燥 綠肥 10g∼20g 施用區에서 顯著히 많은 傾向을 보였다. 3. 種實重/葉重도 有機質 施用區에서 對照區에 比하여 有意差를 보였다. 4. 葉內 全 P水準은 有機質 施用量이 많을수록 時日이 經過될수록 높다. 5. 標識된 燐肥料로부터의 吸收率은 有機質 施用豊이 많을수록 旅用凌 時日이 經過될수록 얕은 傾向을 보였다. 6. 土壤으로부터의 吸收率은 前項 5와는 反對 傾向을 보이며 이러한 關係는 pot 當의 A-value에도 反映된다. 7. 綠肥 多量 施用에 따르는 水稻根의 吸收 阻害와 그밖의 生育 障害의 徵兆는 볼 수 없었다.
작물에 흡수된 방사성 동위원소의 내부조사효과에 관한 연구 (제7집) - 대두의 (大豆) 생장에 미치는 P-32 의 영향
김길환(Kil Hwan Kim),손응용(Eng Yong Son),차종환(Jong Whan Cha),김정제(Jung Jai Kim) 한국식물학회 1969 Journal of Plant Biology Vol.12 No.3
To investigate the radiation effect of P-32 on the soybean plants, the seeds treated with various levels of P-32 solution were sown and cultured in the pots. The growth of the plants and the contents of the macroelements were observed and the following results were obtained. 1) The linear growth of the plants at the early stage seemed to have been promoted by the low-level P-32 treatment. At the later growing stage, however, this difference among treatments were less conspicuous. 2) The plants of high level P-32 application showed some growth damaging symptom at the early growing stage. Later this damage was recorded as the time went on and these plants showed even better growth than the control. As a result at the late growing stage, they ensued highest growth. 3) The plants showed in general more growth at the low activity level than at the high-level at the early growing stage. At the late stage, however, the high-level activity promoted more growth than the low-level. 4) At the early growing stage P-32 treatment produced in general significantly more lower than control. At the later stage, however, this difference was not clearly seen. 5) The P-32 treatment seemed to have stimulated earlier florescence and this tendency was more clearly observable especially at the high activity level. 6) The weight of the air-dried seeds tended to be increased through P-32 treatment by 10-45%. This tendency was clearly observed especially at the low-level activity. 7) As for the contents of the various macroelements in the leaves, the nitrogen showed significantly larger contents at the middle level(S_1) P-32 treatments. The phosphorous contents showed also highest at the middle levels activity and lower both at the high and low-activity levels. The potassium contents was proved, on the contrary, higher at the low-level activity and lower at the high-level. 8) The nitrogen contents in the stems was found significantly higher than control, except at the low-activity level. The phosphorous showed higher contents at the low-activity level and no significant difference at the high-activity level. As for the contents of potassium, calcium and magnesium, there seemed no significant difference among treatments. However, the magnesium showed somewhat higher content at the low-activity level, whereas the calcium was proved higher than control. 9) The inorganic contents in the root showed that N and P in the P-32 treated plant were significantly higher than the control and the K-contents was, on the contrary, significantly higher at the control than the rest of the treatments. As for the calcium and magnesium there showed no difference among all treatments.
스마트홈 지능형 서비스 플랫폼을 위한 데이터 마이닝 기법에 대한 적합도 평가
김길환(Kil hwan Kim),금창섭(Chang sup Keum),정기숙(Ki Sook Chung) 한국산업경영시스템학회 2017 한국산업경영시스템학회지 Vol.40 No.2
In order to implement the smart home environment, we need an intelligence service platform that learns the user’s life style and behavioral patterns, and recommends appropriate services to the user. The intelligence service platform should embed a couple of effective and efficient data mining algorithms for learning from the data that is gathered from the smart home environment. In this study, we evaluate the suitability of data mining algorithms for smart home intelligent service platforms. In order to do this, we first develop an intelligent service scenario for smart home environment, which is utilized to derive functional and technical requirements for data mining algorithms that is equipped in the smart home intelligent service platform. We then evaluate the suitability of several data mining algorithms by employing the analytic hierarchy process technique. Applying the analytical hierarchy process technique, we first score the importance of functional and technical requirements through a hierarchical structure of pairwise comparisons made by experts, and then assess the suitability of data mining algorithms for each functional and technical requirements. There are several studies for smart home service and platforms, but most of the study have focused on a certain smart home service or a certain service platform implementation. In this study, we focus on the general requirements and suitability of data mining algorithms themselves that are equipped in smart home intelligent service platform. As a result, we provide a general guideline to choose appropriate data mining techniques when building a smart home intelligent service platform.