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The effect of mesoscopic shape on thermal properties of multi-walled carbon nanotube mats
허영진,윤창훈,김우년,이헌상 한국물리학회 2011 Current Applied Physics Vol.11 No.5
We highlight the effect that mesoscopic shape of individual multi-walled carbon nanotubes (MWCNTs)has on their collective thermal properties when they are lumped together into MWCNT mats. The thermal properties depend both on the mesoscopic shape of the MWCNTs and on the structure of the mat. The mesoscopic shape is represented by static bending persistence length (l_sp) and the mat structure is represented by network length (l_e). It is demonstrated that various thermal properties depend on l_sp. The variable thermal properties are linear thermal expansivity, thermal diffusivity, specific heat capacity,and thermal conductivity. In the case of n* > 1, the MWCNT mats contract with increasing temperature. On the contrary, in the case of n* < 1, the mats expand with increasing temperature. The apparent thermal conductivity increases with increasing l_sp.
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허영진 空軍士官學校 1998 論文集 Vol.42 No.-
THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE JOB SATISFACTION OF PHYSICAL EDUCATION PROGRAM GRADUATES IN THEIR ACTUAL WORKING IN THREE DIFFERENT PRO-FESSIONAL FIELDS(PHYSICAL EDUCATION TEACHERS, SPORTS RELATED OCCUPATIONS, NON-SPORTS RELATED OCCUPATIONS). JOB SATISFACTION WAS MEASURED BY UTILIZING THE QUESTIONNAIRE MODIFIED FROM JOB DESCRIPTIVE INDEX, JOB IN GENERAL SCALES AND KOREAN TEACHERS OPINIONNAIRE. THE SUBFACTORS OF THE QUESTIONNAIRE WERE HUMAN RELATIONS, NAURE OF WORK, WORKING CONDITIONS, PRESENT PAY, PROMOTION, LEADERSHIP OF A HIGHER OFFICE. THE RELIABILITY FOR SUBFACTORS OF THE QUESTIONNAIRE WAS CROBACH'S α= .6453-.8476. ONE-WAY ANOVA AND L.S.D(LEAST SIGNIFICANT DIFFERENCE) WERE USED TO ANALYZE THE DATA. THE RESULTS OF THIS STUDY WERE AS FOLLOWS; THE SPORTS RELATED OCCUPATIONS GROUP AND THE NON-SPORTS RELATED OCCUPATIONS GROUP SHOWED A SIGNIFICANTLY HIGHER JOB SATISFACTION THAN PHYSICAL EDUCATION TEACHERS GROUP. 1) THE SPORTS RELATED OCCUPATIONS GROUP AND PHYSICAL EDUCATION TEACHERS GROUP SHOWED A SIGNIFICANTLY HIGHER NATURE OF WORK SATISFACTION THAN THE NON-SPORTS RELATED OCCUPATIONS GROUP. 2) THE SPORTS RELATED OCCUPATIONS GROUP AND THE NON-SPORTS RELATED OCCUPATIONS GROUP SHOWED A SIGNIFICAN
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중증도 분류자 직종에 따른 중증도 분류 결과의 차이 비교
허영진,오미라,김세형,한소현,박윤숙 중소기업융합학회 2020 융합정보논문지 Vol.10 No.4
본 연구에서는 KTAS(Korean Triage and Acuity Scale) 결과가 분류를 시행한 주체의 직종에 따른 차이가 있는지를 알아보고자 한다. 2016년 1월 1일부터 2017년 12월 31일까지의 응급의료기관으로 내원한 환자 자료 중, 국가응급진료정보망으로 전송된 자료 총 10,960,359건을 분석하였다. 분류자 직종은 전문의, 전공의, 인턴, 일반의, 간호사, 응급구조사였다. 최초 중증도 분류와 최종 중증도 분류 결과의 일치율은 일반의가 98.9%로 가장 높았고, 인턴 이 80.2%로 가장 낮았다. 과대 분류에서는 일반의가 0.6%로 가장 낮았고, 인턴은 16.0%로 가장 높았다. 또한 과소 분류는 전문의와 응급구조사가 0.4%로 가장 낮았고, 인턴이 3.8%로 가장 높았다. 중증도 분류 결과는 직종별 유의미 한 차이가 있었다(p<0.001). 중증도 분류는 환자의 예후에 영향을 미치는 요인 중 하나로 직종별, 숙련도에 따라 그 결과가 달라져서는 안 된다. 때문에 정확한 중증도 분류를 위한 분류자의 역량 강화가 필요하다. The purpose of this study was to determine whether the results of KTAS(Korean Triage and Acuity Scale) triage classifier differ according to the occupations. We analyzed a total of 10,960,359 cases of data sent to the NEDIS from January 1st, 2016 to December 31th, 2017. The triage classifier were MD(Medical Doctor), R(Resident), INT(Intern), GP(General Practitioner), RN(Registered Nurses) and EMT(Emergency Medical Technician). The consistency between the initial triage and final triage results was the highest GP(98.9%) and the lowest INT(80.2%). The results of over-triage classification was the lowest by GP(0.6%) and the highest for INT(16.0%). Also, the results of under-triage classification was the lowest by MD, EMT(0.4%) and the highest for INT(3.8%). The results of KTAS triage classifier significantly differ from according to the occupations(p<0.001). Triage classification should not differ from according to occupations and skill. It is necessary to strengthen the classifier’s capacity for accurate triage classifications.
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허영진 고려대학교 한국언어문화학술확산연구소 2015 Journal of Korean Culture Vol.29 No.-
The purposes of this study were to shed clear light on the publication system and work inclusion method of Gogeummyeongjakga, an anthology published in the former half of the 18th century, through analysis and find its meanings as an early anthology. Gogeummyeongjakga is a manuscript anthology whose publisher is unknown and which is housed at the Institute for the Translation of Chinese Classical Literature of Sun Moon University, holding important implications to understand the anthology history of the former half of the 18th century. The present study examined the facts of Gogeummyeongjakga that contained the “lyrics of great and renowned works from old times to the present” and discussed its status in the history of anthologies. The investigator first analyzed the publication systems of anthologies and looked into what the masterpieces of all ages would mean and how their lyrics were included in them in order to understand the facts of anthologies. The findings indicate that most of the works were masterpieces created in the former half of the 18th century that were translated into Chinese and introduced as Chinese poems in many pieces of literature. The study also reviewed the inclusion methods of works and discussed the characteristics of Gogeummyeongjakga as an early anthology and is status in the history of anthologies. A summary of the discussion results reveals that Gogeumm- yeongjakga included works of similar content consecutively on purpose and is thus understood as the first anthology that classified its entire works by the content. 이 글은 18세기 전반의 가집으로 알려진 『고금명작가』의 편찬 체재와 작품 수록 방식을 분석하여 그 실상을 명확히 드러내고, 초창기 가집으로서 지닌 의미를 찾고자 하는 데 목적이 있다. 『고금명작가』는 선문대 중한번역연구소에서 소장하고 있는 편찬자 미상의 필사본 가집으로 18세기 전반의 가집사를 이해하는 데 중요한 시사점을 제공해 주고 있다. 이 글에서는 “예로부터 지금까지 이름난 훌륭한 작품의 노랫말”을 수록한 『고금명작가』의 실상을 파악하고, 가집사적 위상에 관해서 논의해 보았다. 먼저 가집의 실상에 관한 이해를 위하여 편찬 체재를 정밀 분석하여 ‘古今’의 ‘名作’이 뜻하는 바가 무엇이고, 또 그것의 노랫말[歌]이 어떻게 수록되었는가를 살펴보았다. 그 결과, 대부분의 작품이 다수의 문헌에서 漢譯되어 漢詩로 소개된 18세기 전반의 작품이었다는 사실을 알 수 있었다. 그리고 작품의 수록 방식을 검토하여 초창기 가집으로서 『고금명작가』의 특징과 가집사적 위상에 관하여 논의하였다. 이 글에서의 논의를 요약하면, 『고금명작가』는 의도적으로 비슷한 내용의 작품을 연속 수록하고자 했고, 내용별로 모든 작품을 분류한 최초의 가집으로 파악된다.
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허영진,정해웅,인현신 대한영상의학회 2011 대한영상의학회지 Vol.65 No.5
Marchiafava-Bignami disease (MBD) is a rare toxic disorder strongly associated with chronic alcoholism (1-3, 6, 7). It is characterized by progressive demyelination and necrosis of the corpus callosum. The process may extend to neighboring white matter and subcortical regions. We report a case of MBD in which fluid-attenuated inversion recovery and diffusion-weighted imaging revealed symmetrical hyperintense lesions with diffuse involvement of the corpus callosum, white matter, corticospinal tract, internal capsule, and middle cerebellar peduncle (3, 4, 8).
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