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죽력(竹瀝)의 문헌적(文獻的) 고찰(考察)(죽력(竹瀝)의 약침실험(藥鍼實驗)을 위한 문헌적(文獻的) 고찰(考察))
박경진,채우석,Park, Kyung-Jin,Chae, Woo-Suk 대한침구의학회 2001 대한침구의학회지 Vol.18 No.3
Objective : To research SUCCUS PHYLLOSTACHYOS through 38 kinds texts over generation for acuacupunture experiment of SUCCUS PHYLLOSTACHYOS. Methods : I studied origin, alias, species, tastes, meridian, effect, treatment, component, medical action and contraindication of SUCCUS PHYLLOSTACHYOS through 38 kinds mecical literatures. Results : Medical actions of SUCCUS PHYLLOSTACHYOS are Resolving slippery phlegm, Reducing fever, Nourishing Yin, Expelling wind and Activating blood circulation. Therefore SUCCUS PHYLLOSTACHYOS can be applied to aphonia, wind arthralgia, Diabetes, epilepsy and convulsive seizure in children. Specially for phlegm-retention due to stroke, it must be used with fresh ginger juice.
수용액과 β-Cyclodextrin 하에서 Arylidenethiosemicarbazone들로부터 1,3-Thiazole 유도체들의 효율적 합성
박경진,배선건,Park, Kyung-Jin,Bae, Sun Kun 한국공업화학회 2007 공업화학 Vol.18 No.4
수용액 상에서 ${\beta}$-cyclodextrin에 2,4'-dibromoacetophenone (8)을 반응시켜 착물을 형성한 후 arylidenethiosemicarbazone 7a-f를 가하여 2-arylidenehydrazinyl-4-arylthiazole 유도체들 9a-f를 70~88% 수율로 합성하였다. 합성한 새로운 화합물들 9a-f의 구조를 IR과 $^1H-NMR$ 스펙트럼 자료로 확인하였다. 이와 같은 실험결과 ${\beta}$-cyclodextrin의 역할은 반응물 7 및 8의 활성화로 반응을 촉진시켜 반응시간이 단축되는 것으로 나타났다. 2-Arylidenehydrazinyl-4-arylthiazole derivatives (9a-f) were prepared by the in situ formation of ${\beta}$-cyclodextrin complex of 2,4'-dibromoacetophenone (8) in water followed by the addition of arylidenethiosemicarbazones (7a-f) in 70~88% yield. The structures of the compounds 9a-f were elucidated by IR and $^1H-NMR$ spectral data. The role of ${\beta}$-cyclodextrin appears to activate the compound 7 and 8 and promote the reaction to complete in reduced reaction time.
아동문학 활용 복합적 문제해결 활동이 초등학생의 영어 발화 및 문제해결력에 미치는 영향
박경진(Park, Kyung Jin) 한국초등영어교육학회 2021 초등영어교육 Vol.27 No.3
The purpose of the present study was to investigate the effects of complex problem solving activities using children’s literature on elementary school students’ English production and problem solving abilities. To provide language input and the context of problem solving activities, children’s literature was used. The researcher selected 31 sixth-grade students and taught English lessons using children’s literature. Various types of data including worksheets, journals, problem solving abilities test, questionnaire and interview were collected and analyzed, mainly in a qualitative way. The results of the study were as follows: First, problem solving activities using children’s literature had a positive effect on children’s English production. Suggesting possible solutions for the problem derived from the text, children were encouraged to produce the target language to communicate at their own ability levels. In addition, children were able to logically explore problems, evaluate opinions, and reflect on their lives in their writing. Second, as a result of the problem solving abilities test, there was a significant improvement, especially in terms of confidence and approach to problem solving. Based on the results, the researcher has identified some implications for future educational strategies.
MEMS Gyroscope를 위한 feed-through 노이즈 제거 기법
박경진(Kyung-Jin Park),강성묵(Seong-Mook Kang),백창욱(Chang-Wook Baek),김호성(Ho-Seong Kim) 대한전기학회 2009 전기학회논문지 Vol.58 No.11
Since the dimensions of MEMS gyroscope are very small compared to those of conventional gyroscope, MEMS gyroscope should be able to measure charge of pico-coulomb caused by very small change of electrodes gap. However, feed-through signal from driving electrodes to the sensing electrodes due to the electromagnetic coupling is much greater than the sensing signal, which degrades the sensitivity of MEMS gyroscope. This paper introduces the feed-through noise canceling technique using dummy port and confirms the feasibility of feed-through noise canceling experimentally. Experimental results shows that, when driving signal is 6 Vpp, 30 ㎑, feed-through signal of vacuum packaged Si Gyroscope decreases from -53.2 ㏈m to -77.1 ㏈m by using feed-through reduction technique. Q-factor that could not be measured without noise reduction is measured to be about 2500 and resonance frequency to be 7.018 ㎑.
아동문학 활용 비판적 리터러시 활동이 초등 학습자의 영어 발화에 미치는 영향
박경진(Park, Kyung Jin) 한국초등영어교육학회 2020 초등영어교육 Vol.26 No.4
This study investigated the effects of critical literacy activities using children’s literature on primary English learners’ productive skills. The researcher selected 31 fifth grade children and taught English lessons throughout a year. Data from diverse sources were analyzed mainly in a qualitative manner. The results were as follows: First, in terms of spoken language production, as a result of analyzing children’s speaking focused on their interactions, children were able to attempt various types of interactions such as one-person focused interviews, pair talk, or group discussions. As the class went on, children actively participated in meaningful interactions in which they exchanged their thoughts with meaning negotiation. Second, in terms of written language production, it was possible to activate children’s writing through various writing activities that stimulate children’s thinking. In other words, it developed into writing short sentences, writing expanded thoughts, and considering the readers while writing. This development was supported by the improvement of the children’s writing ability. Based on the results, some implications were included.