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Synthesis and Characterization of Molybdenum(V)-Oxo Complexes with ONO-Donors
김정숙,김희정,구본권,Kim, Jeong Suk,Kim, Hui Jeong,Gu, Bon Gwon Korean Chemical Society 1995 Bulletin of the Korean Chemical Society Vol.16 No.1
Six-coordinate molybdenum(Ⅴ)-oxo complexes (PyH)[MoOCl2L] and (R4N)-[MoOCl2L] (R=CH3 and C2H5) with N-salicylidene-2-aminophenol(L1) and its derivatives(L2=5-CH3, L3=3-CH3O, L4=5,6-C4H4 and L5=5-NO2) as ONO-donor ligands have been synthesized and the spectral and electrochemical properties of the complexes by elemental analysis, molar conductivity, UV-vis, IR, 1H NMR and CV have been studied.
건강한 치은과 조기 치은염 환자 부착치은폭경에 관한 연구
김정숙,문익상,채중규,조규성,Kim, Jeong-Suk,Moon, Ik-Sang,Chai, Jung-Kiu,Cho, Kyoo-Sung 대한치주과학회 1997 Journal of Periodontal & Implant Science Vol.27 No.1
The purpose of this study was to investigate the width of attached gingiva of 414 subjects with healthy gingiva, or early stage of gingivitis. We compared the differences according to the tooth location, age (Yonger group : $14{\sim}30$, Older group : $31{\sim}67$) and gender. In addition, we compared the width of attached gingiva in the subjects with less than 2 sites of gingival recession($Re{\leq}2$) and the subjects with more than 3 sites of gingival recession($Re{\geq}3$) to study the relationship between the gingival recession and the width of attached gingiva. The results were as follows : 1. The width of keratinized gingiva was widest in maxillary incisors($5.3{\pm}1.4mm$) and narrowest in mandibular right 1st bicuspid and mandibular right and left 2nd molars($3.5{\pm}1.1mm$). 2. The width of attached gingiva was widest in maxillary right central incisor($3.8{\pm}1.5mm$) and narrowest in mandibular right 2nd molar($1.2{\pm}1.0mm$). 3. In the comparison between the age groups, the width of keratinized in older group was significantly (p<0.05) wider than that in younger group in maxillary right and left 1st bicuspids, mandibular right and left 1st and 2nd molars, maxillary right and left cuspids and mandibular right 1st bicuspid. There was no significant difference in the width of attached gingiva between the two groups except for maxillary right and left 1st molars and maxillary left 2nd molar. 4. In the comparison between male group and female group, in maxillary right and and left lateral incisors and cuspids, mandibular right and left cuspids and 1st bicuspids, the width of attached gingiva in female was significantly(p<0.05) wider than that in male group. 5. In the comparison between the Re 3 group and Re 2 group, there was no significant difference except for maxillary right and left 2nd molars and maxillary left 1st molar. 6. The frequency of gingival recession was m the order of mandibular right 1st bicuspid(16.6%), maxillary right 1st bicuspid(13.7%), maxillary and mandibular left 1st bicuspids (13.4%), mandibular left cuspid (10.5%), maxillary left and mandibular right cuspids(10.1%) and maxillary right cuspid(7.9%).
소통+섬기는 마음: 나눔 더하기 행복 -행복하고 가슴 먹먹했던 이흐올학교 학생 건강검진
김정숙,Kim, Jeong-Suk 한국건강관리협회 2010 건강소식 Vol.34 No.11
올해로 7년째를 맞이한 몽골 학생건강증진 지원사업은 몽골 보건부(MOH)의 국립보건국(DOH)과의 협약 아래, 우리나라 행정안전부의 민간단체 공익활동 지원을 토대로 진행되고 있다. 특히 올해는 몽골 흡수굴 아이막(우리나라의 도(道)) 이흐올 학교 학생의 건강검진, 생활환경 및 보건행태 조사, 건강캠페인을 실시하는 한편 전년도 사업 지역이었던 에르데넷의 지원 결과 모니터링 등을 위해 남서중 사무총장을 단장으로 9명의 사업단이 9월 25일부터 9박 10일간의 여정으로 떠났다.
김정숙,황희진,신기일,Kim, Jeong-Suk,Hwang, Hee-Jin,Shin, Key-Il 한국통계학회 2008 응용통계연구 Vol.21 No.5
최근 격자자료(lattice data) 분석 방법을 이용한 소지역 추정(small area estimation)이 연구되고 있으며 좋은 결과를 주고 있는 것으로 알려져 있다. 소지역 추정에 주로 사용되는 격자자료(lattice data) 분석의 경우 가장 자료를 잘 설명할 수 있는 이웃정보시스템을 사용하여야 분석의 효율을 향상시킨 수 있다. 최근 이강석과 신기일 (2008)은 지리정보시스템을 이용하여 만들어진 여러 이웃정보시스템을 비교, 분석하였다. 본 논문에서는 이강석과 신기일(2008)이 제안한 여러 이웃정보시스템이 소지역 추정에 얼마나 영향을 미치는지를 MSE, 커버리지, 캘리브레이션 그리고 회귀분석 방법 등을 이용하여 비교하였다. 2001년 경제활동인구조사의 실업자수 자료가 비교에 사용되었다. Recently many small area estimation methods using the lattice data analysis have been studied and known that they have good performances. In the case of using the lattice data which is mainly used for small area estimation, the choice of better neighborhood information system is very important for the efficiency of the data analysis. Recently Lee and Shin (2008) compared and analyzed some neighborhood information systems based on GIS methods. In this paper, we evaluate the effect of various neighborhood information systems which were suggested by Lee and Shin (2008). For comparison of the estimators, MSE, Coverage, Calibration, Regression methods are used. The number of unemployment in Economic Active Population Survey(2001) is used for the comparison.
김정숙,Kim, Jeong-Suk 한국비블리아학회 2004 한국비블리아학회지 Vol.15 No.2
본 연구는 출판미디어의 메타 데이터적 개발과 보급동향을 파악하기 위하여, 종이책과 전자출판물로 나누어서 현황을 지표위주로 분석하였다. 더불어, 현황분석에서 도출되는 문제점을 통해 출판미디어의 데이터 개발과 보급에 어떠한 전망적 시각을 부여할 것인지를 논의한 연구이다. 기존의 종이책과 새로운 전자출판물은 인터넷으로 표방되는 디지털 미디어 시대에 새로운 융합 미디어로 그 범위를 넓혀가고 있다. 수용의 유비쿼터스 실현을 위한 융합미디어로의 변화는 기존의 종이책이 갖는 형질을 물려받는 유전의 속성을 기저로 진화한다는 논거를 통해, 종이책과 전자출판물 그리고 융합미디어로서의 디지털 출판물의 양적 확장의 전망을, 보급에 앞서 해결해야 할 솔루션 문제와 함께 논의하고 있다. This study is to analyze the present publishing media in order to grasp the trend of data development and distribution. For this, I analyze the present tendency, concentrating indices of diagram, dividing into traditional book and e-book. It also discusses the viewpoint extracted from the problems related to the data development and distribution of publishing media. Traditional books and e-books have been expending to add newly updated convergence media in digital media era in which internet represents. I discuss these changes to convergence media for the realization of 'ubiquitous' mean the evolution to transmit propagational elements from proper character of traditional book. By the same token, I examine prospect of increasing digital publishing media and other problems before distribution.
Empress 2 도재와 레진시멘트의 결합강도에 관한 연구
김정숙,황희성,정창모,전영찬,Kim Jeong-Suk,Hwang Hee-Seong,Jeong Chang-Mo,Jeon Young-Chan 대한치과보철학회 2001 대한치과보철학회지 Vol.39 No.2
The objective of this study was to investigate the influence of resin cements and ceramic etching on shear bond strength of Empress 2 ceramic and observe the change of microstructure of ceramic according to etching time. Sixty-six square ceramic specimens($6{\times}6{\times}1.5mm$) were prepared. 6 specimens were etched with different etching times(0, 10, 20, 30, 40 and 60 seconds) and observed by means of a scanning electron microscope(SEM). Other sixty specimens were divided into 6 groups with 10 specimens in each group. 3 groups were etched with 4% hydrofluoric acid and each groups was bonded with 3 resin cements(Variolink II, Super-Bond C&B, Panavia F). Each specimen was subjected to a shear load in an Instron at a cross-head speed of 0.5mm/min and was observed with SEM after mechanical testing to establish modes of failure. The results were as follows : 1. Within etched groups, Variolink II and Super-Bond C&B exhibited significantly greater bonding strengths than Panavia F(p<0.05) 2. Bond strength of etching groups had three to five times greater than that of no-etching groups. 3. All of no-etching groups showed adhesive failure and etching groups mostly showed mixed failure. And, 20-second etching specimen showed the most distinct lithium disilicate crystal. so it is considered that 20-second etching is optimal time for bonding.