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- 저자 : 심정민(Jeong-Min Shim) (검색결과 35 건)
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동해 연안 수괴 특성에 따른 식물플랑크톤 우점종의 계절 변동
심정민,권기영,김상우,윤병선,Shim, Jeong-Min,Kwon, Ki-Young,Kim, Sang-Woo,Yoon, Byong-Seon 해양환경안전학회 2015 해양환경안전학회지 Vol.21 No.5
In order to understand the seasonal change of phytoplankton as well as the effect of water physico-chemical parameters, we investigated 18 stations in coastal areas of the East Sea in February, May, August and November in 2009. The taxa of phytoplankton observed in this study were classified as 37 Bacillariophyceae, 22 Dinophyceae, 1 Euglenophyceae, 3 Dictyophyceae and 1 Cryptophyceae. Phytoplankton abundance ranged from $1.2{\times}10^3cells/L$ to $246.6{\times}10^3cells/L$(with a mean value of $24.8{\times}10^3cells/L$), the highest biomass was observed in May. The dominant species were Leptocylindrus danicus, Chaetoceros affinis, Pseudo-nitzschia pungens, Thalassionema nitzschioides and etc. Pearson's correlation co-efficient between phytoplankton abundance and other water parameters showed the positive relationships with pH, DO, Secchi-disk depth, and SS, the negative relationships with $SiO_2-Si$. Seasonal patterns of phytoplankton dominant species were affected by the characteristics of water masses based on T-S diagram analysis. In particular, phytoplankton distributional patterns were related with water temperature in May and salinity in August, respectively. According to the result of MDS(Multi-dimensional scaling) using the phytoplankton abundance and species composition, the spatial distribution of phytoplankton were characterized with Ganwon(Group A) and Gyeongbuk(Group B) at the coastal areas of Jukbyeon or Uljin.
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인체 치간부위 치조골 결손에 사용된 합성골의 효과에 관한 연구
심정민,최광춘,손성회,Shim, Jeong-Min,Choi, Kwang-Choon,Son, Seong-Heul 대한치주과학회 1993 Journal of Periodontal & Implant Science Vol.23 No.2
Various alloplastic materials have been used on the periodontally diseased ossous defects. Hydroxyapatite, which is used the most common alloplastic material is a non-resorbable form of calcium phosphate and natural coral which is a biodegradable by carbonic anhydrase in osteoclast was introduced recently. The purpose of the present study was to evaluate the clinical effects of porous hydoxyapatite and natural coral on the human periodontal defects. Four males and three females who had adult periodontitis were selected for this study. The teeth that had similar bone loss radiographically and periodontal pocket deeper than 5mm were selected. Gingival recession, pocket depth, plaque index(Silness & Loe), sulcus bleeding index and tooth mobility (measured by Periotest$^{(r)}$) were examined before graft. Before insertion of alloplastic materials, the depth from CEJ to bone crest and from CEJ to base of the osseous defect was recorded. Porous particulate hydroxyapatite(Interpore 200$^{(r)}$, A group) was place on the defect and natural coral(Biocoral$^{(r)}$, B group) was placed on the defect of the opposing tooth. Six months post-surgically the same parameters were recorded by reentry procedures. A and B group showed 0.6mm of mean recession. Mean reduction of pocket depth were 5mm for A group and 4.9mm of B group. Reduced SBI and tooth mobility were recorded. Osseous defect fills of the original defects were 2.9mm for A and 3mm for B group. Percentage defect fills were 71% for A and 59% for B group. The difference of defect fill between pre- and post-insertion was statstically significant(p<0.05). But the difference between the two groups was not significant statistically(p<0.05). The clinical impression at 6 month re-entry and the numerical date indicate that natural coral as well as porous particulate hydoxyapatite has a definite potential as an alloplastic implant in the treatment of periodontal osseous defects.
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프랑스 누벨바그와 초기 컨템포러리댄스인 누벨당스의 상관성 연구
심정민 ( Shim Jeong Min ) 무용역사기록학회 2021 무용역사기록학 Vol.60 No.-
The French Nouvelle Vague was a new wave in the 1950s and 1960s that led to new changes in the French film industry, which had been struggling with a slump. Young film directors who rebelled against established film conventions sought fresh ideas, various expressions, and technological innovations. This new artistic wave, Nouvelle Vague, is also significantly correlated with Nouvelle Danse. Nouvelle Danse is a new Jeune Danse that appeared in Western Europe in the 1980s, with France at the center, starting to diverge from traditional dance art, not only in choreographic innovation but also in overall production of audio-visual devices, costumes, music and sounds. This Nouvelle Danse is an early form of contemporary dance that has led to the establishment of contemporary creative dance identity beyond Western Europe today. In this study, it is possible to grasp the relationship between Nouvelle Vague and Nouvelle Danse by classifying the correlated factors among the concepts and propensities of the two into four broad categories. First, as a part that formed the consensus of the times and conceptual, the concept of a choreographer as an artist and disobedience to the existing methodology appeared. Second, the correlation of directing techniques can be confirmed in the introduction of visual art, montage or collage technique, and improvisation. Third, the area that was most directly influenced by Nouvelle Vague's film was probably dance film. Fourth, it is possible to confirm the correlation between Nouvelle Vague and Nouvelle Danse in their inducing or favoring critical attitudes of appreciation.
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동해안의 Cochlodinium polykrikoides 적조 발생에 미치는 해황의 특성
심정민 ( Jeong Min Shim ),황재동 ( Jae Dong Hwang ),정창수 ( Chang Su Jeong ),이용화 ( Yong Hwa Lee ),전경암 ( Kyeong Am Jeon ),권기영 ( Kee Young Kwon ) 한국환경과학회 2010 한국환경과학회지 Vol.19 No.12
Harmful dinoflagellate Cochlodinium polykrikoides blooms have been frequently occurred in coastal areas of the East Sea since 1995. We compared the oceanic conditions in years 1995, 2001 and 2003 when the C. polykrikoides bloom was strong, and in years 1998 and 2004 when the C. polykrikoides bloom was not appeared. We studied temporal and spatial variation of upwelling and geostrophic currents on the western channel of Korean Strait, an entrance of the East Sea. The period and occurrence area of C. polykrikoides bloom was depended on variation of upwelling in summer. In the distributions of geostrophic current, southward current was dominant near the coast in August, 1998 and 2000. Whereas northward current was dominant near and off the coast in August, 1995 and 2003 which the C. polykrikoides bloom was strong. When compared dominant phytoplankton of the coastal areas in each year, Kuroshio indicator species Proboscia alata and Chaetoceros affine were dominant, respectively, in 2001 and 2003 at every stations. However, the dominant species was variable at each coastal area in 1998 and 2000. In 2003, the abundance of Sagitta elegans which is known as the cold water indicator was low, but the abundance of S. enflata, warm water indicator, was very high in Gangneung compared to Sokcho. It seemed that the distribution of S. elegans is restricted by strong warm water current. In conclusion, it was estimated that the distribution of C. polykrikoides bloom in the coastal area of the East Sea was closely related with the strength of East Korea Warm Current and upwelling.
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<뉴욕타임즈>의 무용평론가 존 마틴의 비평적 성향에 관한 연구
심정민 ( Jeong Min Shim ) 대한무용학회 2007 대한무용학회논문집 Vol.53 No.-
John Martin(1893-1985) was the first full-time dance critic on a major American newspaper. He was asked to write dance reviews for the New York Times in 1927 and continued to work as a dance critic until 1962 when he retired form the newspaper. With him modem dance criticism in America began in earnest The aim of this research is to determine the critical characteristics of John Martin`s dance reviews in New York Times. At first, Martin`s reviews helped to teach his readers how to look at and appreciate the new modern dance. Secondly, Martin most often practiced reporting and description of dance events in his reviews. Thirdly, Martin made sparing use of analytical detail in dance movement and choreography. Fourthly, Martin evaluated performances and dancers quickly and fast without evident analysis of them. And then, Martin mentioned audience`s response to performances that had direct or indirect influence on the readers John Martin was one of the most influential dance critic of his time. His 1,459 writings about dance arts during 35 years informed indifferent audiences and encouraged dancers in America.
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