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손창민 경북실업전문대학 1996 慶北實業專門大學論文集 Vol.15 No.1
개발된 소프트웨어에 대한 문서는 원시코드 수정시 같이 수정해 주어야 한다. 그렇지 않으면 유지보수시에 원시코드와 문서가 일치하지 않아 결국은 원시코드를 직접 읽어야 하는 경우가 발생한다. 이런 경우 원시코드의 readability가 낮다면 유지보수성이 떨어질 것이다. readability가 낮다면 understandability 또한 낮기 때문이다. 따라서 유지보수성을 높이기 위해서는 원시코드의 understandability를 높여야 한다. 이렇게 하기 위해 기존의 원시코드를 재구성하는 것이다. 본 논문에서는 소프트웨어의 복잡도를 계산하여 복잡도가 높으면 재구성하여야 할 소프트웨어로 선정했다. 그리고 설정된 소프트웨어를 module화 시키는 이유는 재사용을 위해서이다. 앞으로 연구할 과제는 재구성과 관련한 복잡도 계산 metric의 개발, 재구성 algorithm의 보완, module내부의 cohesion과 module간의 coupling을 고려한 재구성 방법을 개발해야 할 것이다.
손창민,차봉준,이대성 대한기계학회 1995 대한기계학회논문집 Vol.19 No.7
The main goal of the present study is to establish the techniques and methodolgies of turbine performance test through evaluating the objective turbine test piece, and checking the reliability of the self-developed test facility by performing a series of turbine tests under ambient temperature condition. A high speed coupling, a lubrication system and a test bed of the test facility were modified through a series of preliminary test in order to reduce the vibration and oil leakage. The flowrate control of the test facility and data acquisition were accomplished by using a software called "Labview" The measurement of shaft horse power and control of rotational speed according to the conditions of turbine rotation were performed by a separate system. The preliminary evaluation of the measured data suggests that the developed test facility and the test technique can be used reliably for the performance test of turbines with the minor improvement.provement.
손창민,박충무 대한임상검사과학회 2019 대한임상검사과학회지(KJCLS) Vol.51 No.4
2013년 1월부터 2016년 3월 사이 인제대학교 해운대백병원에 내원한 환자를 대상으로 HPV genotype 분석 후 세포학적 검사 결과, 조직학적 검사 결과와 비교하였다. 총 검사대상 2,130건 중 58.9%인 1,254건은 HPV 양성으로, 41.1%인 876건은 HPV 음성으로 분석되었다. HPV 양성검체 중 단순감염은 58.4%인 732건, 복합감염은 41.6%인522건이었다. 감염비율은 HPV 16, 68, 56의 순으로 각각7.1%인 152건, 4.6%인 97건, 3.8%인 80건으로 나타났다. HR HPV 감염은 40대, 30대, 50대 순으로 높은 감염률을 보였고, LR HPV 감염은 40대, 50대, 30대 순으로 높은 감염률을 보였다. 조직병리학적 분석 결과 CIN 2 이상으로 나온HPV 16, 68, 56 건수는 329건 중 155건으로 47.1% (155/329)로 분석되었다. 부산지역 여성의 HPV subtype 감염은 주로 16, 68, 56, 58, 51과 관련이 있었으나, 이중68, 56, 51형은 현재 시판 중인 GardasilⓇ 9가 백신으로도예방할 수 없는 유전자형이었다. 이 연구를 통해 부산 지역의HPV 예방 접종을 위한 프로그램에 대한 중요한 기준 데이터를 제공할 수 있을 것으로 사료된다. This study was undertaken to investigate the distribution of human papillomavirus (HPV) subtypes and cervical lesions in Busan. Furthermore, the cytological and histological findings of cervical lesions were compared to determine the usefulness of the currently released vaccines. HPV subtypes of 2,130 patients who visited Haeundae Paik Hospital between January 2013 and March 2016 were analyzed by the HPV 9G DNA chip. Liquid-based cytological examination was performed, and subtypes were classified according to the 2001 guidelines of The Bethesda System. Biopsy or hysterectomy specimens were subjected to hematoxylin and eosin staining for histological examinations. Of the total 2,130 cases, 1,254 (58.9%) were positive for HPV, and 876 (41.1%) were negative. Of these, 152 (7.1%), 97 (4.6%) and 80 (3.8%) were identified as HPV 16, 68 and 56, respectively. Of the 329 cases encompassing the above three HPV subtypes, histopathological analysis diagnosed 155 (47.1%) cases with CIN2 or higher grade. Notably, the occurrences of HPV subtypes 16, 68, 56, 58 and 51 were most frequently diagnosed in Busan. Further analysis revealed that administration of GardasilⓇ 9, the currently available vaccine in the market, exerts no protection against subtypes 68, 59 and 51. This study aims to provide an important reference for future HPV vaccination programs in Busan.
김정종,손창민 慶南大學校 附設 工業技術硏究所 1997 硏究論文集 Vol.14 No.2
플로챠트는 세가지 논리구조로 구성되어 있다. 그리고 프로그래밍 언어에는 각 논리구조에 맞는 명령어들이 갖춰져 있다. 본 논문은 현재 운용중인 비구조적 프로그램에 대한 플로챠트가 존재할 때 이것을 세가지 논리구조로 분해하고 분해된 각각의 논리구조를 하나의 module로 간주하여 구조적 프로그램으로 재구성하는 방법을 제시한다. Flowchart is made up three logic structure. Programming language go through instructions of one accord each logic structure. When flowchart for non-structured program is remained, it is decomposed these into three logic structure. There is regarded each decomposed logic structure as module. And this thesis present method that restructure this module into structured program.
김영진,손창민,Kim, Youngjin,Son, Changmin 한국군사과학기술학회 2016 한국군사과학기술학회지 Vol.19 No.1
Modern aircraft is facing the increase of power demands and thermal challenges. In accordance with the application of more electric technology and advanced mission requirement, aircraft system requires increase of power generation and it cause increase of internal heat generation. Simultaneously, restrictions have significantly been imposed to the thermal management system. Modern aircraft must maintain low radar observability and infra-red signature. In addition, new composite aircraft skins have reduced the amount of heat that can be rejected to the environment. The combination of these characteristics has increased the challenges faced by thermal management. In order to mitigate the thermal challenges, the concept of system level thermal management should be applied and new modeling and simulation tools need to be developed. To develop and utilize system level thermal management technology, three key points are considered. Firstly, the performance changes of subsystems and components must be assessed at an integrated thermal system. It is because that each subsystem and component interacts with other subsystems or components and it can directly effects on overall system performance. Secondly, system level thermal management requirements and solutions must be evaluated early in conceptual design process as vehicle and propulsion system configuration decisions are being made. Finally, new component level thermal management technologies must focus on reducing heat generation and increasing the availability of heat sinks.