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정강 명지대학교 인문과학연구소 2007 인문과학연구논총 Vol.28 No.-
本文使用语料库语言学的方法, 通过在大规模真实文本中的语言学和统计学的分析, 总结了"一样"等词的用法在近几年的变化,指出”一样”为代表的一类含有平比意义的形容词已经语法化成引入比较物件的助词。 通过历史分析, 本文考察了这类词在现代汉语中的发展,揭示了它所代表的语法化的进程。 본고에서는 코퍼스언어학의 방법을 사용하여 신뢰도가 높은 다량의 자료를 언어학과 통계학적 분석을 통해 "一樣"용법의 최근 몇 년간의 변화를 정리하였다. "一樣"은 동등비교의 의미를 내포하는 형용사에서 비교대상을 끌어내는 조사로 "어법화"되었으며 본고에서는 통시적 분석을 통해 이러한 단어가 현대중국어에서 어떻게 발전했는지 고찰하고 대표적인 "어법화" 과정을 살펴보고자 한다.
Simply Supported Plate Functon에 의한 주름板의 振動 解析
鄭剛 麗水水産大學校 産業技術硏究所 1993 産業基術硏究所 論文集 Vol.2 No.-
In this study, the vibration was analyzed for the corrugated plates of triangular and trapezoidal type being used generally in industrial field by using simply supported plate function as displacement function, and the numerical vibration analysis computer program possible to analyze for boundary conditions of the corrugated plates was programmed.
정강,이진선,오일석,Chung, Kang,Lee, Jin-Seon,Oh, Il-Seok 한국정보교육학회 2000 정보교육학회논문지 Vol.3 No.2
Since VRML provides 3-dimensional graphic functions in Web environment, we can use it for the courses which can be learned by manipulating 3-dimensional objects. This paper presents a VRML-based courseware for the dessin education. The courseware helps students to improve the dessin skill and to observe and sketch the 3-dimensional objects in any position and rotation in 3-dimensional cyberspace. VRML은 웹에서 3차원 그래픽 기능을 제공하므로, 3차원 물체를 조작하여 학습해야하는 단원에 효과적으로 활용될 수 있다. 본 논문은 VRML을 이용하여 개발한 소묘 교육용 코스웨어에 대해 기술한다. 이 코스웨어는 소묘의 기초 이론을 습득하고 물체를 3차원 사이버 공간상에서 임의의 위치와 방향으로 설정해 놓고 관찰 및 소묘 활동을 할 수 있도록 해준다.
분무성형공정에 의한 세라믹미립자 강화형 금속간화합물 복합재료의 고온파괴거동
정강,김두환,김호경,Chung, Kang,Kim, Doo-Hwan,Kim, Ho-Kyung 대한기계학회 1994 대한기계학회논문집 Vol.18 No.7
Intermetallic-matrix composites(IMCs) have the potential of combing matrix properties of oxidation resistance and high temperature stability with reinforcement properties of high specific strength and modulus. One of the major limiting factors for successful applications of these composite at high temperatures is the formation of interfacial reactions between matrix and ceramic reinforcement during composite process and during service. The purpose of the present investigation is to develop a better understanding of the nature of creep fracture mechanisms in a $Ni_{3}Al$ composite reinforced with both $TiB_{2}$ and SiC particulates. Emphasis is placed in the roles of the products of the reactions in determining the creep lifetime of the composite. In the present study, creep rupture specimens were tested under constant ranging from 180 to 350 MPa in vacuum at $760^{\cric}C$. The experimental data reveal that the stress exponent for power law creep for the composite is 3.5, a value close to that for unreinforced $Ni_{3}Al$. The microstructural observations reveal that most of the cavities lie on the grain boundaries of the $Ni_{3}Al$ matrix as opposed to the large $TiB_{2}/Ni_{3}Al$ interfaces, suggesting that cavities nucleate at fine carbides that lie in the $Ni_{3}Al$ grain boundaries as a result of the decomposition of the $SiC_{p}$. This observation accounts for the longer rupture times for the monolicthic $Ni_{3}Al$ as compared to those for the $Ni_{3}Al/SiC_{p}/TiB_{2} IMC$. Finally, it is suggested that creep deformation in matrix appears to dominate the rupture process for monolithic $Ni_{3}Al$, whereas growth and coalescence of cavities appears to dominate the rupture process for the composite.
정강 麗水水産大學校産業技術硏究所 1998 産業基術硏究所 論文集 Vol.7 No.-
The existing buoy manufactured to Styrofoam material has many problems, the decrease of buoyancy and the damage by waves, due to weak strength, involving the serious environmental pollution, except one that is simply used in handling. And buoy has a problem of difficult installation that bring much installing expenses. So, the development of the buoy that cancels the problems of the existing buoy but maintains the practical faces of the existing buoy is needed. If it is developed, the buoy has large buoyancy, long life, low cost, simple installation, the recycling, unpolluting, the possibility of mass production, etc. Accordingly, the purpose in this study is the development of high efficient reformed buoy to cancel the problems of the existing buoy. The development will bring us the growth of domestic cultivating industry, the cancellation and prevention of pollution in sea, the economical profit of cultivating fish folk, the upbring of scientific and competitive cultivating industry, etc. In this point, the development has a importance.