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- 저자 : 이민석(Lee, Min Seok) (검색결과 346 건)
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拱辰丹의 "麝香 代入 沈香 或 木香"에 관한 古典文獻 硏究
이민석,이종훈,윤태관,이장천,이부균,Lee, Min-Seok,Lee, Jong-Hoon,Yoon, Tae-Kwan,Lee, Jang-Cheon,Lee, Boo-Kyun 대한한의학방제학회 2015 大韓韓醫學方劑學會誌 Vol.23 No.2
Objectives : The object of this paper is to seek and provide evidences for the possibilities of substitutional use of Aquilariae Resinatum Lignum and Aucklandiae Radix for Moschus as an ingredient of Gongjin-dan by clarifying the similarities and differences among these herbs in the classic literatures. Methods : We have found out the features of Moschus, Aquilariae Resinatum Lignum and Aucklandiae Radix by searching Qi, Flavor and Effect of each herb in 『Shennongbencaojing』, 『Zhengleibencao』, 『Bencaogangmu』, 『Dongeuibogam』, 『Bencaobeiyao』, 『Euijongsonik』 and 『Bangyakhappyeon』. And we have compared and analyzed the fomula of Gongjin-dan and other prescriptions in 『Beijiqianjinyaofang』, 『Shengjizonglu』, 『Shiyidexiaofang』, 『Dongeuibogam』, 『Euijongsonik』, 『Euibanghwaltu』 and 『Bangyakhappyeon』. Results : We could find out the similarities and differences in Qi, Flavor and Effect among Moschus, Aquilariae Resinatum Lignum and Aucklandiae Radix. And we could also find the examples of substitutional use of Aquilariae Resinatum Lignum as an ingredient of Gongjin-dan by comparing the formula of Gongjin-dan in the classic literatures as above. And in the other prescription, Aucklandiae Radix was also used instead of Moschus. Conclusions : All of three herbs have pungent in Flavor and warm in Qi. And these herbs also have similar effects in dispersing invading pathogenic factors and smoothening the flow of Qi. And according to 『Bencaobeiyao』, 『Euijongsonik』 and 『Bangyakhappyeon』, Aquilariae Resinatum Lignum and Aucklandiae Radix direct and regulate the Qi in common. The substitutional use of Aquilariae Resinatum Lignum and Aucklandiae Radix instead of Moschus in Gonjin-dan seems to be related to 'the ascent of Water and descent of Fire' effect of Gongjin-dan.
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유비쿼터스 환경의 위치 기반 모바일 전자상거래 서비스 통합 구조에 관한 연구
이민석,이훈일,이미영,Lee, Min-Suk,Lee, Hun-Ll,Lee, Mi-Young 한국데이터전략학회 2005 Journal of information technology applications & m Vol.12 No.3
The internet and wireless communication technologies are creating ubiquitous environments in which various services are expected anytime and anywhere. Many hardware facilities have been developed and system structures are suggested for mobile services to realize a ubiquitous computing environment with appropriate quality. But these applications are not designed in the consideration of the general capabilities to perform user's wireless and mobile communication/transaction. Consequently, different needs from users are not sufficiently satisfied yet. In this study, we suggest structure of the emerging network system for mobile commerce that provides users with seamless and ubiquitous environments using location information which exploit context-aware technology.
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편마비 환자의 발목관절에 테이핑 적용이 보행속도와 관절각도에 미치는 영향
이민석,이준희,박승규,강정일,Lee, Min-Seok,Lee, Joon-Hee,Park, Seung-Kyu,Kang, Jeong-Il 대한물리치료학회 2012 대한물리치료학회지 Vol.24 No.2
Purpose: This study is to identify the effect of Ankle Joint Taping applied to patients with chronic hemiplegia on their gait velocity and joint angles. Methods: We randomly extracted a clinical sample from 30 patients with hemiplegia resulting from stroke and classified them into two groups of a control group including 15 patients offered a regular therapeutic exercise and a test group including 15 patients offered taping. We also conducted the comparative analysis and pretest of the affected ankle joint angles by the normal characteristics of all subjects, Time to up and go test (TUG), 3D movement analyzer before the intervention. We applied taping to a test group for eight hours a day, five days a week during two weeks and conducted the comparative analysis of the gait velocity and the affected ankle joint angles by a comparison between and within two groups of before and after the intervention by conducting a posttest after the intervention. The result is as followings. Results: It indicated that there was a significantly decreased time with the increased gait velocity that a test according to a result of comparing the gait velocity within two groups (p<0.05). It indicated that there was a significantly increased angle in a comparison within two groups of test that inversion angle of a control group according to a result of comparing the ankle joint angles by 3D movement analyzer within groups (p<0.05). Conclusion: We found that TUG will help patients walk independently because it met a test group's need in the change of the gait velocity between two groups by recording less than 14 seconds which is the standard of using assistive aids and also found that ankle joint taping will help the joints prevent their function change considering that a control group showed an increased inversion angle in the change of the ankle joint within two groups.
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이민석,Lee, MinSuk 대한임베디드공학회 2011 대한임베디드공학회논문지 Vol.6 No.2
This paper describes the development of an open source motion sensor emulator. It helps developers to understand the motion sensor and its data better. Through this emulator, the realtime or stored motion sensor data can be applied to the applications that utilize motion sensors. The data of motion sensors which include accelerometer sensor, magnetic field sensor, gyro sensor, GPS, and so on, can be collected by using smart phones or motion sensors. We also describe a visualizer which shows various graphs, video and 3D animations based on the data sent by the emulator. It helps developers to understand motion sensors and how to use the sensors. The developed emulator is compatible with Android sensor simulator.
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이민석,김재경,이승희,Lee, Min-Seok,Kim, Jae-Kyung,Rhee, Seung-Whee 한국자원리싸이클링학회 2014 資源 리싸이클링 Vol.23 No.5
우분과 계분의 삼성분, 원소분석 등으로 기초특성을 파악하고, 탄화공정을 통하여 얻어진 우분과 계분 탄화물의 에너지특성에 대하여 비교, 검토하였다. 우분과 계분의 최적 탄화조건은 탄화물의 저위발열량과 수율을 곱한 총발열량으로 도출하였으며, 우분이 탄화온도 $300^{\circ}C$, 탄화시간 20분으로, 계분이 $350^{\circ}C$, 15분으로 나타났다. 최적 탄화조건에서 우분과 계분 탄화물의 저위발열량은 우분이 4,378 kcal/kg, 계분이 3,462 kcal/kg으로 평가되었다. 최적 탄화조건을 통해 생성된 우분 탄화물은 고형연료제품기준을 만족하는 신재생 에너지원으로 활용이 가능한 것으로 판단되었으나 계분 탄화물은 원료의 개질 등을 통한 발열량 증가가 필요한 것으로 평가되었다. The basic properties of cow and chicken manure such as proximate analysis and element analysis were estimated and the comparison to energy characteristics of carbonization residue between cow and chicken manure was evaluated. The optimum carbonization condition of cow and chicken manure was decided by total heating value of carbonization residue which was expressed by multiplying low heating value by yield. The optimum carbonization conditions for carbonization time and temperature can be decided by 15 min, and $350^{\circ}C$ for chicken manure, and 20 min, and $300^{\circ}C$ for cow manure. At the optimum carbonization conditions, low heating values for the carbonization residue of cow and chicken manure are evaluated by 4,378kcal/kg, and 3,462kcal/kg, respectively. The residues of cow manure were satisfied with the standard of solid fuel product. However, the residue of chicken should be improved by materials changes to be used as a renewable energy source.
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다채널 음향방출 신호에 대한 딥러닝을 통한 3차원 위치 표정
임소영(Soyoung Lim),서호건(Hogeon Seo),이항로(Hang-Lo Lee),김진섭(Jin-Seop Kim) 한국비파괴검사학회 2022 한국비파괴검사학회지 Vol.42 No.1
본 연구에서는 다채널 음향방출 신호로부터 발진 위치 좌표를 예측하는 딥러닝 모델을 활용함에 있어서 손실함수 및 데이터 전처리 조건에 따른 성능을 평가했다. 7 채널의 음향방출 신호를 이미지 형태로 모델의 입력으로 활용하였고, 출력은 X, Y, Z 좌표를 각각 출력하는 경우와 한 번에 출력하는 경우를 고려하였다. 딥러닝 모델로는 EfficientNet B3을 활용했으며, 평가지표는 평균 절대 오차를 채택했다. 손실함수로는 평균제곱오차와 평균절대오차, 시계열 데이터 전처리 기법으로는 스케일링(MinMaxScaler, StandardScaler, MaxAbsScaler), 신호 전처리(Abs, MA, LPF), 샘플링 길이(1024, 512, 342)에 따른 위치 표정 성능을 비교했다. 그 결과, 손실함수로는 평균제곱오차를 사용하는 것이 유리했고, 스케일링으로는 MaxAbsScaler가 효과적이었다. MaxAbsScaler 적용 후, 절대값을 취해준 후 저역통과필터나 이동평균을 적용한 데이터의 단순화는 성능에 악영향을 미쳤다. MaxAbsScaler 적용 후, 512 개만 샘플링 했을 때 더 좋은 성능을 보였고, X, Y, Z의 각 좌표를 개별적으로 추정하는 방식이 최고 성능을 보였다. This study evaluated source localization performance based on the loss function and preprocessing conditions when using a deep learning model that predicts the source coordinates from multi-channel acoustic emission signals. Signals of seven channels were fed as input into a model in the form of an image, and two output cases were considered: outputting X, Y, and Z coordinates one at a time and outputting them at the same time. EfficientNet B3 was used as the model, and the mean absolute error was adopted as the performance index. Mean square error and mean absolute error were used as loss functions. The performance was compared with respect to scaling (MinMaxScaler, StandardScaler, MaxAbsScaler), preprocessing (Abs, MA, LPF), and sampling length (1024, 512, 342). The results show the advantage of using the mean squared error and the effectiveness of MaxAbsScaler. After applying MaxAbsScaler, the simplification of the data, such as taking the absolute value, and applying a low-pass filter or moving average method, had an adverse effect on the performance. The MaxAbsScaler exhibited better performance when 512 samples were input, and each coordinate of X, Y, and Z was separately estimated.
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