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김해미(Kim, Haemi) 중앙어문학회 2020 語文論集 Vol.81 No.-
본 연구는 학문 목적 한국어 쓰기 학습자를 위한 주장하는 글쓰기 교육의 기반연구로 주장하는 글의 장르적 특성을 분석하여 교육 내용을 제언하는 데 그 목적이 있다. 한국어능력시험(TOPIK)Ⅱ 쓰기 영역 54번 작문형 문항의 모범 답안은 주장하는 글의 전형성을 갖는다. 먼저 주장하는 글은 ‘서론-본론-결론’ 구조 원리를 토대로 <논제 범위 설정하기-입장 제시하기-입장 확립하기-방안 제시하기-주장 정리하기>의 내용으로 구성되었다. 그리고 각 구성 내용은 <배경 제시하기-보편적 현상 제시하기> 등의 세부 내용이 구성된다. 각 세부 내용에는 주장하는 글의 전형성을 갖는 담화 표지가 사용된다. 주장하는 글의 구조 및 구성 내용에 따른 담화 표지를 활용하여 학습자들의 장르 인식 증진을 위한 단계별 교수학습 모형에 따라 쓰기 수행 활동이 진행된다. 실제 한국어 학습자 글쓰기 교육 현장에 이 교육 방안을 적용한 결과, 한국어 학습자들이 글쓰기 전 선행 학습한 장르별 특성을 인식하고 쓰기 전략에 활용하는 양상을 확인했다. 또한 장르 특성을 활용한 주장하는 글쓰기 교육 방안은 한국어 학습자의 장르 인식을 증진시키고 이들의 쓰기 능력 전이를 도모하는 데 일정한 교육적 효과를 갖는다는 사실을 확인했다. Presented here is a basic study of assertive writing education for academic purposes df Korean learners. The purpose of this study is to suggest further educational contents by analyzing the genre characteristics of the text. Korean Proficiency Test (TOPIK) Ⅱ Writing states that the best answer to the 54th writing-style should display the typicality of a claim. First, the content of the claim is based on the structure of “Introduction-Main-Conclusion”. The structure of the alleged comprises <Setting the scope of the thesis - presenting the position-establishing the position - presenting the plan - organizing the claim>. Each composition includes details such as <presenting the background - presenting a universal phenomenon>. In each detail, a discourse marker is used with the typicality of the claim. Writing is conducted according to the step-by-step teaching and learning model to promote learners" perception of the genre by using discourse markers according to the structure and composition of the tex in question. This education method was applied to the field of writing education for Korean learners. which confirmed that Korean learners recognized the characteristics of each genre prior to writing. They were able to use them in their own writing strategies. In addition, using this writing education method and insisting on using genre characteristics was shown to enhances the Korean learners’ perception of the of genre. furthermore the proposed writing education method for using genre characteristics promoted a change in the writing ability of Korean learners.
Effect of microplastics derived mask using Daphnia magna
Haemi Kim(김해미),Jin Il Kwak(곽진일),Youn-Joo An(안윤주) 환경독성보건학회 2021 한국독성학회 심포지움 및 학술발표회 Vol.2021 No.5
With increasing uses of face masks in the COVID-19 pandemic to protect human lives, disposals of face masks into environments are increasing. Many disposable face masks are made of polypropylene (PP) which is not degradable well. Therefore, we set up the purpose of the present study to investigate the effects of face mask disposals to filter-feeder Daphnia magna. This study focused on the melt blown (MB) filter which is an interlayer in the face mask. Test solution was prepared by dispersing the cut MB filter fragments (< 300㎛) in 0.01% Tween 20 (surfactant). The neonates D. magna (< 24h) was exposed to 0, 10 and 100 mg/L. Mortality, immobilization, growth, and lipid droplets were assessed after 72 h exposure. As results, significant effects of immobilization and mortality rates at 10 mg/L exposed groups were observed. On the other hands, there were negligible effects on growth rate and lipid droplets at both exposed groups. These results indicated that discarded face masks should be managed in the post COVID-19 world for environmental sustainability.
Assessing aquatic toxicity of leachates from shoe sole fragments
Lia Kim(김리아),Dokyung Kim(김도경),Sang A Kim(김상아),Haemi Kim(김해미),Tae-Yang Lee(이태양),Youn-Joo An(안윤주) 환경독성보건학회 2021 한국독성학회 심포지움 및 학술발표회 Vol.2021 No.5
Microplastics generated from the land contribute a high portion of plastic waste, such as shoe sole fragments or tire wear. These particles could be exposed to aquatic environments in all days and leaching some chemicals such as additives, used in the product manufacturing process. This study investigated the toxicity of shoe sole fragments on three aquatic organisms (Chlamydomonas reinhardtii, Daphnia magna, and Danio rerio) using their leachates. The adverse effects on each test species were measured and chemical component analysis in each leachate were conducted. The results of toxicity effects and chemical component were compared and the most relevant chemical were determined using the principal component analysis. In results, the aquatic toxicity was highly related to the chemicals such as benzothiazole, carbon disulfide, and p-xylene, which were detected only in sneakers leachates. These results indicate that the road-originated microplastics could leach some toxic chemicals when exposed to aquatic media, inducing the significant adverse effects on the aquatic organisms. The small-size plastic discharge have a risk of their chemical-leaching property that it would be essential to regulate the chemicals in plastic-production process to prevent from the severity of microplastic toxicity.