http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
장은빈,한상진 한국리듬운동학회 2023 한국리듬운동학회지 Vol.16 No.2
The purpose of this study is to revitalize Taekwondo, an unpopular sport, through IPA analysis. This study selected 210 visitors to the final match of the KTA Power Taekwondo Championship in August 2022 as a sample group. A survey was conducted through a Google online questionnaire, and 200 of them were used for the final analysis. Descriptive statistics and frequency analysis were conducted to achieve the purpose of the study, and a corresponding sample t-est was conducted for the IPA technique. The statistics program used SPSS version 23.0. The study results are as follows: Firstly, factors related to a player’s performance must be maintained continuously. In addition, the efforts of Taekwondo High School officials and the continuous hosting of the games must be maintained. Second, decisions that have an important impact on the game, such as the referee’s progress of the game, and the promotion and auxiliary facilities of the game should be improved first. There is no need to pay attention to external factors such as parking facilities and stadium lighting, but factors related to fostering star players, main sponsors, and broadcasting need to be improved in the future.
완효성 비료를 시용한 논에서의 물관리에 따른 온실가스 배출량 평가
장은빈,정현철,권효숙,이형석,박혜란,이종문,오택근,이선일 한국환경농학회 2023 한국환경농학회지 Vol.42 No.2
Methane (CH4) and nitrous oxide (N2O) are significant contributors to greenhouse gas (GHG) emissions from rice fields. Mid-summer drainage is a commonly practiced water management technique that reduces CH4 emissions from rice fields. Slow-release fertilizers gradually release nutrients over an extended period and have been shown to reduce N2O emissions. However, the combined effect of slow-release fertilizer and water management on GHG emissions remains unclear. This study compared GHG emissions from a rice paddy subjected to mid-summer drainage for 10 days (control) with that of a rice paddy subjected to prolonged mid-summer drainage for 20 days combined with slow-release fertilizer (W+S). Gas sampling was conducted weekly using a closed chamber method. During the rice cultivation period, cumulative CH4 and N2O emissions were reduced by 12.3% and 16.2%, respectively, in the W+S treatment compared to the control. Moreover, the W+S treatment exhibited a 1.9% increase in grain yield compared to the control. Under experimental conditions, slow-release fertilizers, in combination with prolonged mid-summer drainage, proved to be the optimal approach for achieving high crop yield while reducing GHG emissions. This represents an effective strategy to mitigate GHG emissions from rice paddy fields. .
장은빈, 심재훈 충남대학교 약학대학 의약품개발연구소 2021 藥學論文集 Vol.36 No.-
- γ-Butyrolactone is defined as five-membered ring structure possessing ester moiety in ring system. Because of their broad spectrum of pharmacological activities including anticancer, anti- hypertensive, and antibacterial activities, medicinal chemists have laid intensive focus on the synthesis of butyrolactones. Recently, photoredox-catalyzed chemical transformations have emerged as a crucial method for the synthesis of biologically meaningful building blocks. Given increasing demand for the versatile and chemo-selective synthetic methods toward butyrolactone building blocks, photoredox-catalyzed lactonizations have been disclosed. This review summarizes recent advances in the synthesis of γ-butyrolactones via photoredox catalysis described since 2013. In particular, the synthetic conditions and mechanisms are highlighted.
CUDA 아키텍쳐 기반의 병렬 프로그래밍을 통한 H.264 인코딩 속도 향상
장은빈(Eun-Bin Jang),하윤수(Yun-Su Ha),김기용(Ki-Yong Kim),최원균(Won-Kyun Choi),정재오(Jae-Oh Jeong) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.4
Due to the rapid growth of graphics processing unit(GPU) processing capability, using GPU as a coprocessor to assist the central processing unit(CPU) in computing massive data becomes essential. In this paper, we present an efficient block-level parallel algorithm for the variable block size motion estimation(ME) in H.264/AVC with fractional pixel refinement on a computer unified device architecture(CUDA) platform, developed by NVIDIA in general-purpose computation on GPU. Motion estimation is currently the most computationally intensive portion of the H.264 encoding process. Experimental results show that, with the assistance of GPU, the processing time is faster than that of using CPU only.
코돈 최적화 및 샤페론 공발현을 통한 활성 형태의 재조합 인간 상피세포성장인자의 발현
장은빈(Eun-Bin Jang),김준수(Jun Su Kim),이우일(Woo-Yiel Lee) 한국산학기술학회 2020 한국산학기술학회논문지 Vol.21 No.9
세포 분열 및 성장 촉진에 영향을 주는 상피세포 성장인자(Epidermal Growth Factor, EGF)는 다양한 의학적 용도를 갖고 있는 호르몬 단백질이다. 본 연구에서는 human EGF 유전자를 대장균 코돈에 최적화 하고 pRSET 벡터에 클로닝하여 발현벡터를 구축하였다. Human EGF를 봉입체가 아닌 활성이 있는 형태로의 과량 발현을 위해 코돈의 최적화와 더불어 최초로 샤페론 공발현이 시도되었다. 발현된 Native protein 형태의 재조합 human EGF는 고순도로 정제하기 위해 Ion Exchange Chromatography를 2번 연속적으로 수행하여 순수 분리 정제되었고, ELISA 분석결과 99% 이상으로 재조합 EGF의 활성도가 상업용 EGF와 유사하게 나타났으며, 세포증식시험 결과 인간 재조합 EGF는 인체피부 섬유아세포의 세포증식을 촉진하는 것으로 확인 되었다. 본 연구의 인간 EGF 발현 시스템은 양적인 측면 뿐 아니라 성공적인 활성형태의 발현으로 추가적인 재접힘 과정 및 N 말단의 융합부분을 제거하기 위한 크로마토그래피 작업이 필요가 없다는 점에서 기존의 방법들에 대체 될 수 있는 효과적인 인간 EGF 발현 시스템을 제공하고 있다. Epidermal growth factor (EGF) is a hormone protein that affects cell growth and proliferation, and has various medical applications. In the present study, the gene of human EGF was codon-optimized with E. coli and the expression vector was constructed by cloning into pRSET. In order to obtain the recombinant human EGF in an active form rather than an inclusion body, chaperone co-expression was attempted along with codon optimization, for the first time. The expressed human EGF was isolated in the pure form by performing Ion Exchange Chromatography in two consecutive runs. ELISA analysis showed that the activity of purified EGF was greater than 99%, which is similar to commercially available EGF. Cell proliferation test confirmed that the recombinant human EGF has the ability to promote cell proliferation of human skin fibroblasts. The human EGF expression system of this study gives a significant amount of protein, and does not require the renaturation step and the additional chromatographic system to remove a fusion contaminant, thereby providing a very useful alternative to conventional expression systems for the preparation of recombinant human EGF.
LVDT를 이용한 선박용 엔진 실린더 라이너 내경 계측시스템
장은빈(Eun-Been Jang),하윤수(Yun-Su Ha) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.10
This paper introduce new system of measuring instruments than people measured manually the amount of wear of cylinder liners internal state. Instruments will be remote controlled by PC or Laptop, In addition we can monitor the internal state of the cylinder liner and be collecting data and diagramming through the controller and LVDT(Linear variable differential transformer). In this study we descript the structure of instruments and treat the existing facilities incorrect results of measurement and problems through a confirmation process.