http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
태권도 전공생의 사회적지지, 자기결정성 및 학업태도의 관계
정주현(Jung, Ju-Hyun),양대승(Yang, Dae-Seung) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.5
The purpose of this study is to verify the relationship among the social support, self-determination and learning attitude in Taekwondo major students as sociological·psychological factors. This study was to distribute the questionnaire as research object of 430 undergraduates in the department of Taekwondo of 4 universities(G, K, K, Y) located in the national capital region by using the purposive sampling method among the non-probability sampling methods after establishing Taekwondo major students in the universities as population. The collected data were analysed with SPSS 21.0 and AMOS 21.0 for confirmatory factor analysis, reliability analysis, descriptive statistical analysis, correlation analysis, and structure equation analysis. The study has gained the following results: First, this study has found out that the social support, self-determination and learning attitude for Taekwondo major students had significant positive correlation accordingly. Second, this study has shown that the social support for Taekwondo major students affected their learning attitudes. Third, this study has found that the social support for Taekwondo major students affected the self-determination. Fourth, this study has shown that the self-determination for Taekwondo major students affected their learning attitudes.
교실 게시판을 활용한 비동시적 논의에서의 탐구 문제 생성 관련 상호작용 분석
정주현 ( Ju Hyun Jung ),김선자 ( Sun Ja Kim ),박종욱 ( Park Jong Wook ) 한국초등과학교육학회 2011 초등과학교육 Vol.30 No.4
This research is to observe and analyze the student interactions when inquiry problems were generated along with the students by using asynchronous discussion methods with the class bulletin board. For this research, 10 students from a single class of 6th grade were selected. The subject students were divided into 2 groups by cognitive levels. After the students were submitted the 4 problem situations for 1 week each, the discussion process was analyzed. The research results are as follows. First, the analysis of the step by step interactive discussion showed that several students answered for the question from a single student while discussing first for the question and answer in a form of a question with many multiple answers without any connections with the previously asked questions. At the end of the discussion, one to two students answered to a question by taking turns and the type of discussion changed to one question - one answer type by answering to the person who spoke prior to the next. Second, the discussion took place with the students in the transitional stage speaking in time in order, to provide comments to the bottom of the linear form and students in the formal operational stage students speaking in temporal order, regardless of the number of comments in the direction of the radiation (mind map) forms. The individual comment speaking rates were similar in the two groups so the students were able to speak indiscriminately.
분광광도법에 의한 칼라 렌즈 내 염색제에 대한 흡광도 분석
최은정,정주현,Choi, Eun-Jung,Jung, Ju-Hyun 대한화학회 2009 대한화학회지 Vol.53 No.6
분광광도법으로 칼라렌즈 내 염색제에 대한 흡광도를 연구하였다. 사용된 렌즈와 염색제는 각각 CR-39 플라스틱 광학렌즈와 Ons & $Lavas^{(R)}$의 Blue 1800 이다. 칼라렌즈 내 염색제의 흡광도는 칼라렌즈와 CR-39 렌즈의 흡광도의 차를 이용하여 구하였으며, 염색제의 평균농도는 칼라렌즈와 CR-39 렌즈의 질량차로부터 구하였다. 칼라렌즈에 침투된 염색제에 대하여도 흡광도와 평균농도 사이에 Beer 법칙이 성립하였고, 검정선의 기울기로부터 흡광계수는 a=0.983 $Lg^{-1}cm^{-1}$임을 알아내었다. We studied absorbance of tinted dye absorbed into tinted lenses by Spectrophotometric method. Used lenses and tinted dye were CR-39 plastic optical lenses and Ons & $Lavas^{(R)}$ Blue, respectively. Absorbance values of tinted dye absorbed into tinted lenses were obtained from the differences of absorbance values between tinted lenses and CR-30 lenses. Average concentrations of tinted dye absorbed into tinted lenses were obtained from the mass differences between tinted lenses and CR-30 lenses. The relationship between absorbance and average concentration for tinted dye absorbed into tinted lenses was also confirmed to follow Beer’s law. The absorption coefficient calculated from the tangent of the calibration curve was determined to be a=0.983 $Lg^{-1}cm^{-1}$.
스핀코팅으로 금속물질을 도핑한 TiO<sub>2</sub>박막의 광학적 특성
황규석,김재민,정주현,Hwang, Kyu-Seong,Kim, Jai-Min,Jung, Ju-Hyun 한국안광학회 2007 한국안광학회지 Vol.12 No.1
Ti-나프텐산염과 금속을 출발원료로 사용하고, 스핀코팅-열분해법을 이용하여 실리카 유리위에 박막을 제조하였다. 도포된 박막은 $500^{\circ}C$ 공기에서 10min동안 열처리하였다. 이를 5회 코팅한 박막은 마지막으로 공기에서 $600^{\circ}C$에서 30min으로 하였다. 박막의 특성을 분석하기 위하여 X-선 회절 분석, 전자현미경, UV스펙트럼을 이용하여 분석하였다. 밴드갭에서 가장 큰 장파장 쪽으로 이동은 Fe을 도핑한 $TiO_2$ 박막이었다. Metal-doped $TiO_2$ thin films were prepared on soda-lime-silica glass substrates by using a spin coating-pyrolysis process. As-deposited films were prefired at $500^{\circ}C$ or 10 min in air. Five-coated films were finally annealed at $600^{\circ}C$ for 30 min in air. High resolution X-ray diffraction, field emission scanning electron microscope and UV spectrophotometer were used to analyze film's property. The largest red shift in optical energy gap is obtained in the Fe-doped $TiO_2$ film.
Hyeong-Rag Kim(김형락),Hoon-Jae Lee(이훈재),Ki-Hwan Kim(김기환),Ju-Hyun Jung(정주현) 한국컴퓨터정보학회 2017 韓國컴퓨터情報學會論文誌 Vol.22 No.9
CCSDS Standard is widely used in the international space telecommunication area. But standard recommendation of CCSDS is not restrictive, so, we can select an appropriate encryption protocol among the layer. For synchronization, encryption sync is attached in the beginning of the encrypted data. In the exceptional environmental condition, although the receiver can not decrypt the normal data, the sender have no conception of that situation. In this paper, we propose a two-stage SES alarmed link encryption synchronization method having optimized threshold value necessary to decide whether the receiver has a correct decryption or not. first, through the experiment of mutual relations between error rate and encryption synchronization detection error, we can predict worst communication environment for the selected encryption synchronization pattern. second, through the experiment for finding what number of consecutive frame synchronization error is an appropriate reference value and analysis of that experiment, we suggest an optimized threshold value for resynchronization request. lastly, through the output images we can predict the probability error that should be guaranteed by channel coder.