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박현열 한국중세사학회 2012 한국중세사연구 Vol.0 No.34
This research thesis studied funeral culture in Gyeongsangdo province in the Goryeo Age, in archeological terms. To do it, this research thesis overviewed the data on graves in Gyeongsangdo province in the Goryeo Age, and then clarified the funeral procedures, into the five phases:the selection of the location and layout of graves, the selection and establishment of memorial services held before graves, and the space of the buried, relics and lands. Funeral culture in Gyeongsangdo province in the Goryeo, led to a change in the patterns of memorial services held before graves, distribution areas, relics, throughout the thirteenth century. Especially during the late thirteenth and fourteenth, plank grave started to surge. During early and mid-term of the Goryeo, graves were concentrated in the onland areas of Gyeongsangdo province. The thirteenth century saw the emergence of numerous graves in shores of Gyeongsangdo province. The change of graves had influences on the patterns of relics. As an illustration, a new section called crater not found earlier came into being in mid-term of the thirteenth century. In the fourteenth century, tabernacles reappeared that disappeared early in the eleventh century. Meanwhile, this research thesis attempted to make a comparative analysis of memorial services held before graves in the United Shila Age and the Goryeo Age, and find out the linkages between the two. But it was found that there is just some similarity in the construction techniques of stone graves. Also, it seems that the appearance of enlarged tomb pit, and the sharp rise of graves in shores have something very close to do with the political and social aspects at those times. Specifically, it is assumed that these developments were closely related to various factors, such as the relationship with central and local government, and the local government’s weakened controlling power, and the status of the buried, and the wars with Japan and Japan’s invasion. This research thesis studied funeral culture in Gyeongsangdo province in the Goryeo Age, in archeological terms. To do it, this research thesis overviewed the data on graves in Gyeongsangdo province in the Goryeo Age, and then clarified the funeral procedures, into the five phases:the selection of the location and layout of graves, the selection and establishment of memorial services held before graves, and the space of the buried, relics and lands. Funeral culture in Gyeongsangdo province in the Goryeo, led to a change in the patterns of memorial services held before graves, distribution areas, relics, throughout the thirteenth century. Especially during the late thirteenth and fourteenth, plank grave started to surge. During early and mid-term of the Goryeo, graves were concentrated in the onland areas of Gyeongsangdo province. The thirteenth century saw the emergence of numerous graves in shores of Gyeongsangdo province. The change of graves had influences on the patterns of relics. As an illustration, a new section called crater not found earlier came into being in mid-term of the thirteenth century. In the fourteenth century, tabernacles reappeared that disappeared early in the eleventh century. Meanwhile, this research thesis attempted to make a comparative analysis of memorial services held before graves in the United Shila Age and the Goryeo Age, and find out the linkages between the two. But it was found that there is just some similarity in the construction techniques of stone graves. Also, it seems that the appearance of enlarged tomb pit, and the sharp rise of graves in shores have something very close to do with the political and social aspects at those times. Specifically, it is assumed that these developments were closely related to various factors, such as the relationship with central and local government, and the local government’s weakened controlling power, and the status of the buried, and the wars with Japan and Japan’s invasion.
박현열,김윤섭,최성호 한국분석과학회 2014 분석과학 Vol.27 No.1
This study described about preparation of the cross-linked silk fibroin (SF) film by γ-irradiation ofthe casted SF film, which is fabricated from aqueous solution regenerated via fibers of cocoons and theirapplication as supports for human cell culture. The properties of cross-linked SF film were evaluated by FTIRspectroscopy, contact angle, solubility to water, thermal analysis, surface area analyzer, and morphology viascanning electron microscopy (SEM). The cross-linked SF films were not dissolved in water and exhibited therough surface morphology, large surface area, and good thermal properties. The human fibroblast cell (CCD-986sk) and embryo kidney-ft cell were well growed on the surface of cross-linked SF film supports preparedby γ-irradiation. The cross-linked SF film prepared by γ-irradiation can be used as biomaterials for human cellculture.
Development of Fuel Cell Catalyst Using Electron Beam Process
채근석,양대수,박현열,신종민,임소연 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
Fuel cell catalyst is a key material for hydrogen fuel cells and currently commonly uses Pt and Pt alloys. The company is developing a process for manufacturing and mass-producing catalyst products using lowenergy electron-beam equipment. The electron beam process is a low-cost eco-friendly nanoparticle manufacturing process that produces metal nanoparticles by reducing the gilt ion by hydration electrons produced by investigating electron beams in aqueous solution without any chemical reductants. In here, we will introduce a simple manufacturing process for the preparation of metal nanoparticles by irradiating an electron beam to a metal precursor aqueous solution at room temperature.