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김미정,김재창,김영민,어순철,김일호,Kim Mi-Jung,Kim Jae-Chang,Kim Young-Min,Ur Soon-Chul,Kim Il-Ho 한국재료학회 2005 한국재료학회지 Vol.15 No.7
Piezoelectric properties of $Pb(Mn_{1/3}Nb_{2/3})O_3-PbZrO_3-PbTiO_3$ ceramics were investigated with $Al_2O_3$ content $(0.0-1.0 wt\%)$. The constituent phases, microstructure, electromechanical coupling factor, dielectric constant, piezoelectric charge and voltage constants were analyzed. Diffraction peaks for (002) and (200) planes were identified by X-ray diffractometer for all the specimens doped with $Al_2O_3$, indicating the MPB (morphotropic phase boundary) composition of tetragonal structures. The highest sintered density of $7.8 g/cm^3$ was obtained for $0.2wt\%\;Al_2O_3-doped$ specimen. Grain size increased by doping $Al_2O_3$ up to $0.3 wt\%$, and it decreased by more doping. Electromechanical coupling factor, dielectric constant, piezoelectric charge and voltage constants increased by doping $Al_2O_3$ up to $0.2wt\%$, and it decreased by more doping. This might result from the formation of oxygen vacancies due to defects in $O^{2-}$ ion sites and the substitution of $Al^{3+}$ ions.
유방 부분 절제술 후 방사선 치료 시 TOMO Direct를 이용한 접선 조사의 선량적 유용성에 관한 고찰
김미정,김주호,김훈겸,조강철,전병철,조정희,Kim, Mi-Jung,Kim, Joo-Ho,Kim, Hun-Kyum,Cho, Kang-Chul,Chun, Byeong-Chul,Cho, Jeong-Hee 대한방사선치료학회 2011 대한방사선치료학회지 Vol.23 No.1
Purpose: Investigation of the clinical use of tangential fields technique using TOMO direct in comparison to conventional LINAC based radiation therapy after breast partial mastectomy. Materials and Methods: Treatment plans were created for 3 left-sided breast cancer patients who had radiation therapy after breast partial mastectomy by using wedged tangential fields technique, field in field technique (FIF), TOMO Direct, TOMO Direct intensity modulated radiation therapy (IMRT) under the normalized prescription condition ($D_{90%}$: 50.4 Gy/28 fx within CTV). Dose volume histogram (DVH) and isodose curve were used to evaluate the dose to the clinical target volume (CTV), organ at risk (OAR). We compared and analyzed dosimetric parameters of CTV and OAR. Dosimetric parameters of CTV are $D_{99}$, $D_{95}$, Dose homogeneity index (DHI: $D_{10}/D_{90}$) and $V_{105}$, $V_{110}$. And dosimetric parameters of OAR are $V_{10}$, $V_{20}$, $V_{30}$, $V_{40}$ of the heart and $V_{10}$, $V_{20}$, $V_{30}$ of left lung. Results: Dosimetric results of CTV, the average value of $D_{99}$, $D_{95}$ were $47.7{\pm}1.1Gy$, $49.4{\pm}0.1Gy$ from wedged tangential fields technique (W) and FIF (F) were $47.1{\pm}0.6Gy$, $49.2{\pm}0.4Gy$. And it was $49.2{\pm}0.4$ vs. $48.6{\pm}0.8Gy$, $49.9{\pm}0.4$ vs. $49.5{\pm}0.3Gy$ Gy for the TOMO Direct (D) and TOMO Direct IMRT (I). The average value of dose homogeneity index was W: $1.1{\pm}0.02$, F: $1.07{\pm}0.02$, D: $1.03{\pm}0.001$, I: $1.05{\pm}0.02$. When we compared the average value of $V_{105}$, $V_{110}$ using each technique, it was the highest as $34.6{\pm}9.3%$, $7.5{\pm}7.9%$ for wedged tangential fields technique and the value dropped for FIF as $16.5{\pm}14.8%$, $2.1{\pm}3.5%$, TOMO direct IMRT as $7.5{\pm}8.3%$, $0.1{\pm}0.1%$ and the TOMO direct showed the lowest values for both as 0%. Dosimetric results of OAR was no significant difference among each technique. Conclusion: TOMO direct provides improved target dose homogeneity over wedged tangential field technique. It is no increase the amount of normal tissue volumes receiving low doses, as oppose to IMRT or Helical TOMO IMRT. Also, it simply performs treatment plan procedure than FIF. TOMO Direct is a clinical useful technique for breast cancer patients after partial mastectomy.
재현의 곤경, 설득의 서사 넘기 ― 5월 광주 서사의 현재와 과제 ―
김미정 ( Kim¸ Mi-jung ) 현대문학이론학회 2020 現代文學理論硏究 Vol.0 No.83
오늘날 재현을 질문하는 과정 자체가 아이러니하게도, 백래쉬와 경합하는 장이 되기도 한다. 재현에 대한 문제의식이 궁극적으로 어떤 언설과 연결될지 가늠하는 것도 중요해졌다. 본 논문은, 오늘날 재현의 윤리에 대한 질문이, 대중적 백래쉬의 정동과 교착하는 장면들에 대한 문제의식에서 출발했다. 최근 빈번히 발견되는 설득의 서사구조에서도 이런 우려를 생각해볼 수 있다. 이러한 서사구조는 백래쉬와 부정의 언설 앞에서 스스로를 증명해야 하는 강박과 관련될 것이다. 그런데 그 설득의 과정 자체가 재현에 대한 오인을 발생시키곤 한다.. 오늘날 서사 속 5월 광주 재현이 처한 곤경도 이러한 재현 일반의 문제와 연동한다. 1990년대 이후 제도화, 공식화한 언어와 상상력을 공회전하면서 5월 광주 재현은 부정, 백래쉬 앞에서 무력해지곤 한다. 이것은 같은 언어를 공유, 활용하고 있는 조건과 장의 문제이기도 하다. 이 글은, 영화 <김군>(2018), 최윤 소설 「저기 소리 없이 한 점 꽃잎이 지고」(1988)를 재독해하면서 이러한 5월 광주 서사의 현재와 과제를 가늠하고자 했다. This study started with the problem of the scenes where the question about the ethics of representation today intersects with the affect of popular backlash. Ironically, the process of questioning representation itself becomes a field to compete with opposing forces. Therefore, it is also necessary to carefully assess what kind of discourse will ultimately lead to the problem about representation today. This concern can also be considered in the narrative structure of persuasion, which is frequently discovered recently. This narrative structure will be related to the intention to prove oneself in front of backlash and denial. However, the process of persuasion itself causes misconceptions about representation. In today's narrative, the predicament of the May Gwangju uprising representation is also linked to this problem. Since the 1990s, the institutionalized and formalized language and imagination have been lethargy. This is also a matter of foundation and field sharing the same language. This article attempted to assess the present and tasks of the May Gwangju uprising narrative by reading the movie < Kim-Gun > (2018) and Choi Yoon's novel(1988).
파종시기별 유효적산온도(GDD)가 옥수수의 생육 및 수량변화에 미치는 영향
김미정,정건호,김성국,이재은,전원태,심강보,김민태,우관식,권영업,허성기,Kim, Mi Jung,Jung, Gun Ho,Kim, Sung Kook,Lee, Jae Eun,Jeon, Weon Tai,Shim, Kang Bo,Kim, Min Tai,Woo, Koan Sik,Kwon, Yong Up,Heu, Sunggi 한국작물학회 2017 한국작물학회지 Vol.62 No.3
A total of 15 different corn hybrids, Kwangpyeongok, Gangdaok, Yanganok, Singwangok, Jangdaok, Cheonganok, Cheongdaok, Andaok, Dapyeongok, Pyeongkangok, Pyeonganok, Daanok, Sunwon 184, Gangilok, and P3394 was used to investigate the growth and yield depending on the sowing date. The sowing dates were April 5, June 25, and July 5 and each experiments was performed in triplicste. The growth of Gangdaok was the highest. However, although the growth of Kwangpyeongok, was lower thanthar of Gangdaok, its stem height to ear height ratio was lower than that of Gangdaok, thus, Kwangpyeongok may be more suitable for stable cultivation. Both growth and yield of Daanok were low, regardless of planting date, but yield and ear shape of Pyeongkangok and Dapyeongok were for fresh corn. Growth and yield of the 15 different corn hybrids varied depending on the planting date, However, the growth degree days (GDD) was the most important factor governing the maturity of corn. More than $1500^{\circ}C$ of GDD was sufficient to harvest mature corn hybrids in the central region of Korea. Besides yield and growth, other characteristics, such as sweetness and taste of the hybrids, should be investigated further the selection of the best corn hybrid.
Properties of Alkaline Protease Isolated from Nocardiopsis dassonvillei
김미정,정혜신,박순재,Kim, Mi-Jung,Chung, Hye-Shin,Park, Soon-Jae 생화학분자생물학회 1993 한국생화학회지 Vol.26 No.1
ATCC 21944인 노카디옵시스 다손빌레이 균주로부터 새로운 알칼리언 단백질분해효소를 분리하였다. 크로마토그래피 방법과 이온교환 HPLC를 사용하여 분리한 효소는 SDS-전기영동 젤상에서 순수한 것으로 나타났으며, 겉보기 분자량은 33,500 달톤인 것으로 나타났다. 이 효소의 pI는 6.3는 부근으로 나타났으며 효소의 활성은 PMSF 및 chymostatin과 같은 Serine 단백질 분해효소의 억제제들에 의해 영향을 받는 것으로 밝혀졌다. 온도에 따른 효소활성 실험결과 $55^{\circ}C$에서 활성이 가장 크며 $65^{\circ}C$까지는 최대 활성의 70%를 유지하며 또한 pH 11에서도 활성을 계속 유지하는 것으로 보여졌다. 분리된 단백질분해효소는 높은 온도에서 그리고 강한 알칼리성에서도 활성을 유지하므로 산업적으로 이용할 가치를 포함하고 있는 것으로 사료된다. We have purified a novel alkaline protease from actinomycete Nocardiopsis dassonvillei, ATCC 21944, using conventional chromatographic methods and an ion-exchange HPLC at the final stage. SDS-PAGE of purified enzyme showed that the enzyme is homogeneous, and the apparent molecular weight is 33,500 daltons. Isoelectricfocusing indicates its pI is around 6.3. The enzyme is inhibited by serine protease inhibitors such as phenylmethylsulfonyl fluoride and chymostatin. Temperature-dependent activity profile of the protease indicates that it is thermally stable and retains 70% of the activity at $65^{\circ}C$ compared to the maximum activity shown at $55^{\circ}C$. It also appears to be highly alkalophilic, maintaining almost full activity at pH 11.
김미정,장희경,Kim, Mi Jung,Chang, Hee Kyung 국제문화기술진흥원 2021 The Journal of the Convergence on Culture Technolo Vol.7 No.3
본 연구는 중환자실 간호사의 도덕적 고뇌, 윤리적 환경, 생애말 간호 어려움 및 긍정심리자본이 생애말 간호수행에 미치는 영향을 파악하기 위한 서술적 상관관계 연구이다. 대상자는 G도의 J시와 C시에 위치한 G대학병원 중환자실에서 근무하는 간호사 144명으로, 2020년 10월부터 11월까지 설문조사를 통해 자료수집하였다. 자료분석은 SPSS/WIN 21.0 프로그램을 이용하여 통계 분석하였다. 본 연구결과 대상자의 생애말 간호수행은 결혼상태, 생애말 간호 교육경험에 따라 유의한 차이가 있는 것으로 나타났다. 중환자실 간호사의 생애말 간호수행에 유의한 영향을 미치는 변인은 긍정심리자본, 생애말 간호 어려움으로 설명력은 24.8%였다. 이러한 결과를 바탕으로 중환자실 간호사의 생애말 간호수행을 향상시키기 위해서는 생애말 간호 어려움을 감소시키고, 긍정심리자본을 향상시킬 수 있는 교육과 중재 프로그램 개발이 요구된다. This study is a descriptive research study to identify the relationship between the performance of end-of-Life care of ICU nurses, moral distress, ethical climate, difficulties in end-of-life care, and positive psychological capital. Data were collected with structured questionnaires from 144 ICU nurses at a university hospital in J city, Gyeongnam, from October to November in 2020, and analyzed using SPSS/WIN 21.0. The subjects' performance of end-of-life care of ICU nurses is significantly different depending on marital status, experiences of end-of-life care education. The variables that had a significant effect on the performance of end-of-life care among ICU nurses were positive psychological capital and difficulties in end-of-life care. The explanatory power was 24.8%. Based on these results, it is necessary to intervention program and education to reduce difficulties in end-of-life care and increase positive psychological capital for ICU nurses.
노카디옵시스 다손빌레이 ( Nocardiopsis dassonvillei ) 로 부터 분리한 알칼라인 단백질분해 효소의 성질
김미정,정혜신,박순재 ( Mi Jung Kim,Hye Shin Chung,Soon Jae Park ) 생화학분자생물학회 1993 BMB Reports Vol.26 No.1
We have purified a novel alkaline protease from actinomycete Nocardiopsis dassonvillei, ATCC 21944, using conventional chromatographic methods and an ion-exchange HPLC at the final stage. SDS-PAGE of purified enzyme showed that the enzyme is homogeneous, and the apparent molecular weight is 33,500 daltons. Isoelectricfocusing indicates its pI is around 6.3. The enzyme is inhibited by serine protease inhibitors such as phenylmethylsulfonyl fluoride and chymostatin. Temperature-dependent activity profile of the protease indicates that it is thermally stable and retains 70% of the activity at 65℃ compared to the maximum activity shown at 55℃. It also appears to be highly alkalophilic, maintaining almost full activity at pH 11.
열간압축성형으로 제조한 Co<sub>1-x</sub>Ni<sub>x</sub>Sb<sub>3</sub>의 열전특성
김미정,어순철,김일호,Kim, Mi-Jung,Ur, Soon-Chul,Kim, Il-Ho 한국재료학회 2006 한국재료학회지 Vol.16 No.6
Ni-doped $CoSb_3$ was prepared by the hot pressing, and its doping effects on the thermoelectric properties were investigated. Single phase ${\delta}-CoSb_3$ was successfully obtained by encapsulated induction melting and the subsequent heat treatment at 773 K for 24 hrs, followed by the hot pressing under 60 MPa at 773 K for 2 hrs. Nickel atoms acted as electron donors by substituting cobalt atoms. Thermoelectric properties were remarkably improved by the Ni doping.
김미정,곽애정,최광해,Kim, Mi-Jung,Kwak, Ae-Jung,Choi, Kwang-Hae 대한소아소화기영양학회 2002 Pediatric gastroenterology, hepatology & nutrition Vol.5 No.1
비록 크기가 크지 않고, 가장자리가 뾰족하거나 날카롭지 않지만, 1개 이상의 자석을 삼킨 경우나 혹은 자석과 금속류를 함께 삼킨 경우에는 장의궤양, 천공, 누공 등의 합병증을 일으킬 수 있으므로 신속한 제거가 필요할 것으로 생각되며, 저자들은 3개의 팔찌자석을 삼킨 후 동반된 위궤양 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. The accidental swallowing of foreign body is a common problem in the children. We describe the case of 37-month-old girl in whom a gastric ulcer was caused by the ingestion of three magnets. This case report demonstrates that if more than one magnet were swallowed, they should be removed even if there are no sharp edges and small size. Because the magnets will attract each other and hold the intestinal walls between them, causing necrosis and resulting in intestinal perforation or a fistula.
AHP를 이용한 사서교사의 북큐레이션 서비스 제공에 대한 우선순위 분석
김미정,이병기,임정훈,Kim, Mi-Jung,Lee, Byeong-Kee,Lim, Jeong-Hoon 한국도서관정보학회 2020 한국도서관정보학회지 Vol.51 No.3
This study aims to identify priorities in book curation service that the teacher librarians perceive important through the AHP (Analytic Hierarchy Progress) method by comparing the jobs of teacher librarians with those of curators and selecting the contents and areas of book curation service provided by school libraries. For the purpose, this study categorized the book curation service areas by class and analyzed the priorities in the book curation service areas in the school libraries by applying the AHP method on the teacher librarians who are the personnel in school libraries. As a result, the priorities in the upper-tier class were turned out to be information services, improvement of expertise, information resources, management, and promotion & marketing in that order. The priorities in the lower-tier evaluation areas were shown in the order of survey & research, Q&A, self-development, exhibition, budget allocation, connecting with experts, trend analysis, reading education, human resources, planning, collaboration class, marketing services, book status, online promotion, offline promotion, and facilities & environment. Based on the results, this study suggested the following plans to provide effective book curation services in school libraries: grasping characteristics of school library users, setting classification criteria for book curation, and finding reader participation-oriented book curation service. 본 연구는 큐레이터와 사서교사의 직무를 상호 비교·분석하여 학교도서관에서 제공하는 북큐레이션 서비스의 내용과 영역을 설정한 후, AHP(Analytic Hierarchy Progress) 방법을 통해 사서교사가 중요하게 인식하는 북큐레이션 서비스의 우선순위를 밝히는 데 목적이 있다. 이를 위해 북큐레이션 서비스 영역을 계층별로 나누고, 학교도서관 전담인력인 사서교사들을 대상으로 AHP 방법을 적용하여 학교도서관 북큐레이션 서비스 영역의 우선순위를 분석하였다. 분석결과 상위계층의 우선순위는 정보서비스, 전문성 신장, 정보 자원, 경영, 홍보 및 마케팅 순으로 나타났고, 하위계층의 우선순위는 조사 및 연구, 질의응답, 자기계발, 전시, 예산편성, 전문가 연계, 트렌드 분석, 독서교육, 인적자원, 기획, 협력수업, 마케팅 서비스, 소장, 온라인 홍보, 오프라인 홍보, 시설 및 환경 순으로 나타났다. 이를 토대로 학교도서관 북큐레이션 서비스를 효과적으로 제공하기 위한 방안으로 학교도서관 이용자의 특성 파악, 북큐레이션을 위한 분류기준의 설정, 독자 참여형 북큐레이션 서비스 모색의 필요성을 제시하였다.