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Mahé Kélig,Taconet Julien,Brisset Blandine,Gentil Claire,Aumond Yoann,Evano Hugues,Wambergue Louis,Elleboode Romain,Rungassamie Tévamie,Roos David 사단법인 한국동물생명공학회 2024 Journal of Animal Reproduction and Biotechnology Vol.39 No.1
Background: The biological information of fish, which include reproduction, is the prerequisite and the basis for the assessment of fisheries. Methods: The aim of this work was to know the reproductive biology with the first sexual maturity (TL50) and the spawning period for 58 mainly fish species in the waters around La Réunion Island (Western Indian Ocean). Twenty families belonging to the Actinopterygii were represented (acanthuridae, berycidae, bramidae, carangidae, cirrhitidae, gempylidae, holocentridae, kyphosidae, labridae, lethrinidae, lutjanidae, malacanthidae, monacanthidae, mullidae, polymixiidae, pomacentridae, scaridae, scorpaenidae, serranidae, sparidae; 56 species; n = 9,751) and two families belonging to the Elasmobranchii (squalidae, centrophoridae; 2 species; n = 781) were sampled. Between 2014 and 2022, 10,532 individuals were sampled covering the maximum months number to follow the reproduction periods of these species. Results: TL50 for the males and the females, respectively, ranged from 103.9 cm (Acanthurus triostegus) to 1,119.3 cm (Thyrsitoides marleyi) and from 111.7 cm (A. triostegus) to 613.1 cm (Centrophorus moluccensis). The reproduction period could be very different between the species from the very tight peak to a large peak covered all months. Conclusions: Most species breed between October and March but it was not the trend for all species around La Réunion Island.
스마트러닝 스페인어 교육 교과목별 모델 구축 II - YouTube 또는 ‘구글 드라이브’를 활용한 스마트강의 콘텐츠 제공과 Flipped Learning -
마상영(Mah, Sang-Young) 한국외국어대학교 중남미연구소 2020 중남미연구 Vol.39 No.1
본 논문에서는 기존에 연구한 “스마트러닝 스페인어 교육 교과목별 모델 구축”(마상영, 2017)에 의거하여 개발한 스페인어 동영상 콘텐츠를 YouTube와 ‘구글 드라이브’를 통해 학습자들에게 제공하여 학습효율을 증대시킬 수 있는 방안을 규명하였다. 구글 서비스를 통한 콘텐츠 제공은 교육의 효율성과 확장성을 높일 수 있으며 저비용 고효율의 장점도 있다. Google의 YouTube와 ‘구글 드라이브’를 활용하여 스페인어 교과목별 동영상 교육 콘텐츠를 탑재하여 운영하는 방안과 그 장·단점을 분석하여 제시하였다. YouTube와 ‘구글 드라이브’를 활용하는 두 가지 방식 모두 기본적으로 단방향 커뮤니케이션에 기반을 두고 있는바, 양방향 커뮤니케이션을 활용하여, 현장감과 역동성, 학습 점검과 Feedback 등을 제공하는 현장교육과 연계하여 Flipped Learning 방식으로 강의를 운영하여 학습효율을 증대시킬 것을 제안하였다. The main purpose of this study is to propose how to improve learning efficiency by providing Spanish smart education contents, which were developed on the basis of "Construction of Subject Models of Smart Learning Spanish Education" (Mah, 2017), through YouTube and Google Drive. It has been claimed that providing learners who make use of smart devices everyday with well-prepared videos of Spanish smart education contents through Google services can maximize the scope of application of the contents as well as the efficiency of language education. In this paper, I analyzed the strength and weaknesses of employing Google Drive and YouTube, which are fundamentally based on one-way communication. It is thus necessary to increase learning efficiency by delivering lectures in a flipped learning manner in conjunction with traditional field learning, which results in two-way communication.
Bacteriocin with a Broad Antimicrobial Spectrum, Produced by Bacillus sp. Isolated from Kimchi
Mah, Jae Hyung,Kim, Kwang Soo,Park, Jong Hyun,Byun, Myung Woo,Kim, Young Bae,Hwang, Han Joon 한국미생물 · 생명공학회 2001 Journal of microbiology and biotechnology Vol.11 No.4
An antimicrobially active bacterium which was identified as Bacillus brevis, was isolated from kimchi. The antimicrobial activity was found against various Gram-positive and Gram-negative bacteria including some pathogens foodspoilage microorganisms, and some yeast strains. The antimicrobial activity was especially strong against Bacillus anthracis and Shigella dysenteriae. The strong activity was observed during an early stationary phase in the culture when incubated at 37℃ with initial medium pH of 6.8. The antimicrobial activity was found to be stable at 90℃ for 30min and in the pH range of 3-11, and it was insensitive to organic solvents including acetone, acetonitrile, ethanol, and methanol. Analysis of the bacteriocin on tricine-sodium dodecyl sulfate-polyacrylamide gel suggested a molecular mass of approximately 4.5-6.0kDa. The antimicrobial substance was characterized as a bacteriocin, because of its proteinaceous nature and low molecular weight. The bacteriocin could potentially be used as a food preservative, because of its thermostable property and broad antimicrobial spectrum.
Mah Seunghye 한국통번역교육학회 2015 통번역교육연구 Vol.13 No.2
A particular syntactic pattern, an inanimate subject with an active verb(IS+AV), is quite common in journal articles with scientific topics in English. Asian students, however, are known to have difficulties in employing this pattern in their English writings and translations. For this reason newspaper editorials with animate and inanimate(including abstract) topics are categorized and compared in detail to investigate the context that the pattern is used and the difference between the two kinds of editorials with a specific regard to the frequency of the ‘IS+AV’ pattern. Based on the analysis of 10 editorials from The New York Times, this paper substantiates previous researches that have claimed the ‘IS+AV’ pattern is particularly popular in texts in scientific genre. Besides, the proportions of this pattern in Korean students’ translations of an editorial with an inanimate topic are analyzed to see how much they can employ this pattern in translating an inanimate topic editorial into English. It is drawn from the analysis that the Korean students participated in the test are not skillful in employing this pattern in translating an editorial with an inanimate topic.
The Causality between the Domestic Credits and the Foreign Exchange Reserves
Mah, Jai Sheen 단국대학교 산업연구소 1992 산업연구 Vol.15 No.-
이 논문은 한국에서 외환보유고의 변화와 국내여신 변화 간의 인과관계를 따져보는데 그 목적이 있다. 시계열의 안정성을 점검하기 위하여 단위근 검증을 해보았고, 위의 두 변수간의 인과관계 검증을 위하여 그레인져 인과관계 검증법을 이용하였다. 이때 최적 시차항의 수는 아카이케의 최종예측오차 기준을 선택하여 뽑아 보았다. 결과를 보자면 외환보유고는 국내여신 변화의 원인임을 알 수 있으나, 그 역의 인과관계는 보이지 않았다. 이는 개발도상국 경제의 국제수지에 통화론적 접근을 적용함에 있어서 주의를 요함을 의미한다.
Mah, Shinmee,Jang, Jaebong,Song, Daesun,Shin, Yongje,Latif, Muhammad,Jung, Yongwon,Hong, Sungwoo The Royal Society of Chemistry 2019 Organic & Biomolecular Chemistry Vol.17 No.1
<P>Altered expression or hyperactivation of anaplastic lymphoma kinase (ALK), as a consequence of translocations or point mutations, is one of the main oncogenic drivers in non-small cell lung cancer. Using structure-based design and <I>in vitro</I> enzyme assays, we identified 3-heteroarylcoumarin as a new template for the development of novel fluorescent ALK inhibitors. Molecular simulation provided structural insights for the design of 3-heteroarylcoumarin derivatives, which were easily prepared through efficient synthetic approaches including direct C-H cross coupling. Importantly, these coumarin-based ALK inhibitors can be tracked using microscopy techniques: we illustrated the use of the most potent compound in this series, 5a, (ALK/IC50 = 0.51 μM, <I>λ</I>emi = 500 nm, <I>ϕ</I>F = 0.29) to monitor its subcellular distribution pattern by confocal fluorescence microscopy.</P>
The Peso Problem and the Test of Market Efficiency Under the Flexible Exchange Rate System
Mah, Jae-Sheen 단국대학교 산업연구소 1989 산업연구 Vol.12 No.-
페소問題가 개입되는 경우, 통상적인 效率市場假設檢證은 연구자들로 하여금 그릇된 결론으로 이끌게 한다. 이 글에서 필자는 變動換率制度下에서 페소問題가 개입되는 경우 效率市場假設을 檢證하는 새로운 방식을 제시한다. 연구대상기간에 대해 통상적인 檢證法을 적용하면 대부분 外換市場은 非效率的이라는 결론으로 이끌어지게 된다. 그러나 페소問題가 결부되는 대표적인 사건으로 1979년 10월 미국금융정책의 변화결정일과 1985년 9월 G - 5에 의한 外換市場개입결정일을 잡아 필자가 제시하는 새로운 檢證방식을 적용한 결과, 통상적인 방식 적용결과와는 달리 外換市場은 매우 效率的으로 움직인다는 결론을 도출할 수 있었다.