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鄭暎錫,李龍鉉,程伊基 한국해양대학교 사회과학연구소 2000 韓國海洋大學校 人文社會科學論叢 Vol.12 No.1
Maritime lien means a statutory security right with a priority to any other right to vessel and its adjuncts which admits a person having a specific maritime claim to be paid before any other creditors. maritime lien with a priority nat having a public notice may damage to the other creditors. And the ship's arrest for the enforcement of maritime lien may atop the ship's operation. So adjustment of the interest between the person concerned is requested. Maritime lien's recognition was found in the theory of procedural, personification, Conflict, and now in the special circumstances of the maritime corp., limitation of the ship owner's liability, public policy, causam pignoris facere etc. I will suggest some proposals to improve this subject in this paper.
예술고등학교 학생들의 특기적성을 고려한 프로젝트형 물리 탐구학습
양청규,이희복,김용복 공주대학교 과학교육연구소 2003 과학교육연구 Vol.34 No.-
본 연구는 학습자 중심의 다양한 교수-학습 방법의 모색을 시도하는 교육 여건에 부응하여 물리학습에서 특기적성을 살린 프로젝트형 탐구학습 프로그램을 개발하여, 이를 예술계 고등하교 학생들에게 적용한 후, 학생들의 과학에 관련된 태도가 어떻게 변화했는지를 알아보고, 특기적성용 프로젝트 탐구학습에 대한 학생들의 반응을 살펴보았다. 따라서 본 연구에서는 학습자로 하여금 자신의 수준과 적성에 부합한 과제를 선택하도록 학습 동기를 유발하고 과제를 수행하는 과정을 단계적으로 수준을 높여가면서 학생들 스스로 문제를 해결해 나가는 자기 주도적인 학습이 가능하도록 하였다. 학생들의 프로젝트 수행결과에 대해서는 자기평가와 교사 면담을 통해 평가하도록 하였다. In order to contribute to contemporary educational environment searching for a variety of student-centered learning programs, this study attempts to make desirable project inquiry learning programs for physics educations which help to develop individual student's special ability and his or her aptitude. The programs were applied to the students of an Arts high school. After that this study tried to find out how students' attitudes toward science learning have changed, and how. they reacted to the "project inquiry-learning programs". In this study learners were allowed to choose an assignment for themselves equivalent to their academic ability and aptitude. This kind of activities motivates students for learning, makes them higher the standard of the process carrying out their assignments step by step, and finally enables them to have self-regulated learning, in which they settle the problems on their own. The result of the students' learning were evaluated by the self-evaluation and teachers' interviews with them.
토끼에서 Etofenprox와 Spinosad 합제의 국소자극성 시험
황윤환,김명석,송인배,박병권,양승호,임용현,송치용,안성한,남현수,임정교,정상일,명노일,윤효인 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2008 動物醫科學硏究誌 Vol.15 No.1
This study was performed to evaluation the skin and eye irritation of etofenprox 8% and spinosad 4% combination in male New Zealand White rabbits. In skin irritation test, the combination of etofenprox and spinosad did not showed any change of body weight but caused slight skin irritation with the P.I.I. (primary irritation index) value 0.25. The etofenprox and spinosad combination showed severe eye irritation 1 h, 24 h, 48 h, and 72 h after ocular treatment, having the A.O.I. (acute ocular irritation) value of 37.3. Therefore, these result indicated that the combination of etofenprox and spinosad might be irritant formulation on eye and skin.
Effect of Lactobacillus Fermentation on the Anti-Inflammatory Potential of Turmeric
( Cheng Chung Yong ),( Yonghee Yoon ),( Hee Sub Yoo ),( Sejong Oh ) 한국미생물생명공학회(구 한국산업미생물학회) 2019 Journal of microbiology and biotechnology Vol.29 No.10
Curcumin, the major bioactive constituent of turmeric, has been reported to have a wide range of pharmacological benefits; however, the low solubility in water has restricted its systemic bioavailability and therapeutic potential. Therefore, in the current study, we aimed to investigate the effect of turmeric fermentation on its curcumin content and anti-inflammatory activity by using several lactic acid bacteria. Fermentation with Lactobacillus fermentum significantly increased the curcumin content by 9.76% while showing no cytotoxicity in RAW 246.7 cells, as compared to the unfermented turmeric, regardless of the concentration of L. fermentum-fermented turmeric. The L. fermentum-fermented turmeric also promoted cell survival; a significantly higher number of viable cells in lipopolysaccharide (LPS)-induced RAW 264.7 cells were observed as compared to those treated with unfermented turmeric. It also displayed promising DPPH scavenging (7.88 ± 3.36%) and anti-inflammatory activities by significantly reducing the nitrite level and suppressing the expression of the pro-apoptotic tumor necrosis factor-alpha and Toll-like receptor-4 in LPS-induced RAW 264.7 cells. Western blot analysis further revealed that the anti-inflammatory activity of the fermented turmeric was exerted through suppression of the c-Jun N-terminal kinase signal pathway, but not in unfermented turmeric. Taken together, the results suggested that fermentation with lactic acid bacteria increases the curcumin content of turmeric without increasing its cytotoxicity, while strengthening the specific pharmacological activity, thus, highlighting its potential application as a functional food ingredient.
UTrustDisk: An Efficient Data Protection Scheme for Building Trusted USB Flash Disk
( Yong Cheng ),( Jun Ma ),( Jiangchun Ren ),( Songzhu Mei ),( Zhiying Wang ) 한국인터넷정보학회 2017 KSII Transactions on Internet and Information Syst Vol.11 No.4
Data protection of removable storage devices is an important issue in information security. Unfortunately, most existing data protection mechanisms are aimed at protecting computer platform which is not suitable for ultra-low-power devices. To protect the flash disk appropriately and efficiently, we propose a trust based USB flash disk, named UTrustDisk. The data protection technologies in UTrustDisk include data authentication protocol, data confidentiality protection and data leakage prevention. Usually, the data integrity protection scheme is the bottleneck in the whole system and we accelerate it by WH universal hash function and speculative caching. The speculative caching will cache the potential hot chunks for reducing the memory bandwidth pollution. We adopt the symmetric encryption algorithm to protect data confidentiality. Before mounting the UTrustDisk, we will run a trusted virtual domain based lightweight virtual machine for preventing information leakage. Besides, we prove formally that UTrustDisk can prevent sensitive data from leaking out. Experimental results show that our scheme`s average writing throughput is 44.8% higher than that of NH scheme, and 316% higher than that of SHA-1 scheme. And the success rate of speculative caching mechanism is up to 94.5% since the access pattern is usually sequential.
Cheng-hua Shi,Cheng-yong Cao,Ming-feng Lei 대한토목학회 2017 KSCE Journal of Civil Engineering Vol.21 No.5
The ground movement induced by the construction of shield tunnels affects the safety of nearby underground pipes and aboveground structures. Therefore, the reliable prediction of ground movement is important. In this paper, a model describing the interaction between soil and an EPB shield used in tunnels is presented, based on the classical elastic theory of Mindlin. In this model, the changing location of the working shield is considered. The equations describing the ground deformation around the tunnel caused by the additional force on the shield working surface and the frictional force between the outer surface of the shield and the surrounding soil are derived. The ground deformation caused by ground loss due to shield tunnel construction is derived using stochastic medium theory. Finally, this model is applied to two running tunnels, and the sensitivity of the ground deformation to the calculation parameters is discussed.
( Yong Cheng Jin ),( Jeng A Han ),( Cheng Xiong Xu ),( Sang Kee Kang ),( Sang Hun Kim ),( Kang Suk Seo ),( Du Hak Yoon ),( Yun Jaie Choi ),( Hong Gu Lee ) 생화학분자생물학회 (구 한국생화학분자생물학회) 2012 BMB Reports Vol.45 No.2
The aim of this study was to investigate protein profiles related to the induction of adipogenesis within the bovine longissimus dorsi muscle (BLDM) by proteomic analysis. We analyzed BLDM proteins at different growth stages to clarify the physiological mechanisms of marbled muscle development in 20 head of Korean native cattle (11 month: 10 head, 17 month: 10 head). BLDM proteins were analyzed by two-dimensional electrophoresis and image analysis. Villin 2 was specifically identified by mass spectrometry and a protein search engine. Villin 2 protein expression in BLDM decreased during the fat development stage in test steers. In a Western blot cell culture study of spontaneously immortal bovine muscle fibroblasts, the abundance of Villin 2 was shown to be down-regulated during differentiation into muscle. In 3T3-L1 mouse embryonic fibroblasts, Villin 2 was decreased during differentiation into adipocytes. The results suggest that Villin 2 may be related to the induction of transdifferentiation and adipogenesis in bovine longissimus dorsi muscle. [BMB reports 2012; 45(2): 102-107].