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The Proposal of a Verbal Interaction Framework for Elementary Science Teachers
Kim,Jong-young(Jong-young Kim),Shin,Myeong-kyeong(Myeong-kyeong Shin),Kim,Eun-jeong(Eun-jeong Kim) 경인교육대학교 교육연구원 2022 교육논총 Vol.42 No.-
This study is purposed to specifically present and suggest two of the five aspects of the existing framework using data recorded by science class teachers. Mortimer and Scott (2003) viewed teaching purposes, content, communicative approach, patterns of discourse, and teacher intervention as five aspects of classroom discourse analysis, analyzed for secondary science classes. In this study, four episodes were extracted from elementary science classes, the entire analysis was conducted, and the analysis frame developed in this study was applied. The results of the study showed that elementary science classes were analyzed differently according to class flow and the score of the Reformed Teaching Observation Protocol (RTOP). In addition, the analysis framework presented in this study and the score of the RTOP were slightly consistent.
고양이의 Toxoplasma 抗體價 測定 및 腸內 奇生蟲 感染에 關한 硏究
辛大煥,金明海,李英河,羅榮彦 충남대학교 의과대학 지역사회의학연구소 1988 충남의대잡지 Vol.15 No.2
In order to confirm the intestinal helminthes, protozoa and Toxoplasma antibody titers from 41 cats, author performed the autopsy, stool examination, and Sabin & Feldman dye Test. 1. Total infection rates were 68.3%, and double infection rates were 29.3%. From 41 cats, 8 species were identified to Isospora felis(2.4%), Toxocara cati(7.3%), Ancylostoma sp(2.4%), Taenia taeniaeformis(51.2%), Diphyllobothrium mansoni(19.5%), Hymenolepis nana(2.4), Clonorchis sinensis (7.3,%), and metagonmus yokogawai(4.9%). 2. Habored region of each parasites was mainly small intestine, especially duodenum, and only Clonorchis sinensis was harbored in liver and bile duct. 3. Egg occurrence rate was 33.3% (T. taeniaeforis), 66.7(C. sinensis), and 100%(D. mansoni, M. yokogawai, I. felis). 4. Sabin & Feldman dye test titer was positive reaction in 14 cases corresponding to 34.190, and 27 cases were considered as negative.
김미정,김영숙,배지혜,신영옥,장명희,황인순 효성여자대학교 가정대학 학도호국단 1984 家政大論集 Vol.3 No.-
The purpose of this study was to investigate the attitude difference toward the school uniform, it was supposed that clothing acceptance was differentiated according to subjects. The subjects were grouped by 3 types which were students, teachers(school governors) and parents groups. The results were as follows; 1. Boy students reguired the more freedom of clothing than girls. 2. Teachers and parents groups considered that clothing affected student's behavior and self-esteem. 3. The acceptance of school plain dress was affected by atomosphere of home and school. 4. According to socioeconomic levels, there were differences in clothing acceptance and fashion acceptance.
유산균 투여가 건강한 성인의 분변미생물 및 부패산물 생성에 미치는 영향
신명수,김용재,배형석,백영진 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.2
유산균의 장내균총과 부패산물 생성에 미치는 영향을 알아보기 위하여, 건강한 성인 남녀 6명의 지원자에게 Lactobacillus acidophilus 와Bifidobacterium longum으로 제조한 유산균분말(각각 1.5×10 exp (9) cells)을 하루에 2회씩 2주동안 섭취하도록 하였다. 그리고 지원자 분변으로부터 균총수 변화와 부패산물인 암모니아, indole, skatole, p-cresole량을 측정하였다. 유산균의 투여 기간중에 분변내 bifidobacteria의 수가 8.78±0.39(log cfu/g feces±S.D)에서 9.27±0.29로 증가하였고(p<0.05) 투여 중지후에는 약간 감소하였으며, lactobacilli의 수는 6.15±0.80에서 6.76±0.48로 증가하였다(p<0.05). Enterococcus 균수는 투여 기간중에 6.66±0.80에서 7.72±0.40으로 증가하였다가 투여 중지후에는 감소하는 경향을 보였다. 그리고 혐기성균인 Bacteroides는 투여중에 8.45±0.34에서 9.15±0.21으로 증가하였으나(p<0.01), 유해균주로 알려진 Closridium(lecithinase negative)과 Staphylococcus 균수는 현저히 감소하였다. 그러나, 유산균 투여 실험기간인 6주 동안 분변내 암모니아, indole, skatole, p-cresole의 유의적인 농도변화는 없었다. To investigate the effects of lactic acid bacteria administration on fecal microflora and putrefactive metabolites in human being, Lactobacillus acidophilus and Bifidobacterium longum powder (1.5×10 exp (9) cells, respectively) was administrated to six healthy volunteers (average 28 years old) twice a day for 2 weeks. During the administration of lactic acid bacteria, the numbers of bifidobacteria, lactobacilli, and enterococci in feces were increased significantly, whereas those of Staphylococcus and lecithinase-negative Clostridium were decreased considerably. In addition, a number of anaerobic Bacteroides were increased. However, the contents of fecal ammonia and putrefactive metabolites (indole, skatole, p-cresole) were not changed during the administration.
鄭敬壽,申明哲,柳柄泰,金炳珏 충남대학교 약학대학 의약품개발연구소 1986 藥學論文集 Vol.2 No.-
The ether, methanol, and physiological saline extracts of the dried carpophores of ten basidiomycetous fungi, which were collected in the conifer woods of Chungnam National University at Taechon and Keyryoung Mountain Area in Chungcheungnamdo, were subjected to an antibiotic activity test by disc-plate method. Among them, the methanol extracts of Inocybe trechispora, Lactarius velumis, and Laccaria laccata and the ether extracts of I.trechispora showed antibiotic activities against Sarcina lutea; and the methanol extracts of I. trechispora and L. velumis and physiological saline extract of Coriolus versicolor showed antibiotic activities against Staphylococcus aureus; and the methanol extract of L. velumis showed antibiotic activity against Escherichia coli. None of the extracts, however, showed any activity against Serratia marcescens and Proteusvulgaris.
나노 세리아 슬러리를 이용한 Stainless steel 304의 MR Polishing 특성에 관한 연구
홍광표,신봉철,김동준,조명우,신영재 한국공작기계학회 2008 한국공작기계학회 춘계학술대회논문집 Vol.2008 No.-
An finishing process using magnetorheological fluid has been developed as a new precision finishing technique to obtain a fine metal surface. Therefore, magnetorheological fluids has been used for micro polishing and micro part. The applied material is 304 stainless steel. It is widely used in the semiconductor machinery and aerospace industries because of high corrosion resistance. For MR polishing process, MR fluids was consisted of carbonyl iron, DI-water and nano slurry ceria(Celexis cx 94s slurry). The wheel speed and electric current were chosen as the variables for analyzing the characteristics of MR polishing process. In the results, the surface roughness according to the variation of wheel speed was analyzed , and it was obtained 1.393nm surface roughness.
MR Polsihing에서 알루미나 슬러리를 이용한 Si₃N₄세라믹스의 고정도 표면향상에 관한 연구
이정원,김동우,조명우,조원승,신영재 한국공작기계학회 2008 한국공작기계학회 춘계학술대회논문집 Vol.2008 No.-
Silicon nitride Si₃N₄ is a leading ceramic for structural applications due to its superior properties at high temperature. It is very difficult-to-grind ceramics with high efficiency because of their high strength, hardness and brittleness. In this paper, ultra-precision surface for Si₃N₄ ceramic were using MR polishing method. MR Polishing experiment were using the magnetorheological fluid and Polishing abrasives are Al₃O₃. Polishing experiments were under various polishing conditions by changing a magnetic field force, wheel speed and polishing time. Polishing surfaces were observed analyzed by non-contact type 3-dimensional surface roughness measurement equipment. As a result, MR Polishing method can give excellent surface roughness, and surface roughness was obtained Ra=1nm.
자기유변유체를 이용한 Fused silica glass의 미세연마공정특성에 관한 연구
이정원,김동우,신영재,장호수,조명우 한국공작기계학회 2007 한국공작기계학회 추계학술대회논문집 Vol.2007 No.-
A new, commercially available polishing process called magnetorheological fluid polishing is used to fabrication optical glass and bio-chip. This polishing process guarantees high polishing quality by controlling the fluid density electrically. The applied material in experiments is fused silica glass. Fused silica glass is widely used in the optical and biochip field because of high degree of purity. For MR polishing experiments, MR fluid was composed with DI-water, carbonyl iron and nano slurry ceria. The wheel speed and electric current were chosen as the variables for analyzing the characteristics of MR polishing process. In results, the surface roughness according to the variation of wheel speed and electric current was analyzed.
宋昌燮,李信昊,金明煥 忠北大學校 農業科學硏究所 2003 農業科學硏究 Vol.20 No.-
This study was performed to analyze the toxic effects fo ecoconcrete which was developed to be applicate the farm road and agricultural structure's backfill materials To this ends, a series of test was conducted for the soil picked in Hagso, located in Chungbuk province The mixture ratio of ESC was 10%, 20% and 30% by weight of dry soil Produced sample was observed through state of fish by intervals of time From the first toxic test result, singularity symptoms were observed to fish increases with ESC mixture ratio Common symptoms were observed impaired digestion, difficulty in breathing, body color change Specially, singularity symptoms were observed the most notedly in aquarium which mixture ratio 20% After 18 days the second toxic test result, it was found that in number of survival of fish could not observed change in aquarium, excepted ESC mixture ratio 20% Therefore, developed ecoconcrete does not influenced in number of survival of fish