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Passphrases are considered to be more secure than passwords since they are longer than passwords. However, users choose predictable word patterns and common phrases to make passphrases memorable, which in turn significantly lowers security. While random passphrases appear to be stronger, surprisingly they are neither strong nor memorable. In this paper, we present the latest passphrase research, and introduce a new way to create a passphrase using mnemonics. Passphrase generation using mnemonics shows promising results in improving both strength and memorability.
As China became a post-industrial society in 2015, with the development of the film industry, establishing the concept of “film industry aesthetics” is becoming increasingly important. At the same time, as the soft power has become more significant in the international arena, and several Chinese new mainstream blockbusters (CNMB) have suddenly sprung into the box office, making it worthy of attention. CNMB are inseparable from the construction of film industry aesthetics. This paper first explains the relationship between the three concepts—post-industry era, film industry aesthetics and CNMB. Some places of CNMB follow the principles of film industry aesthetics. With the concepts of a Community of Shared Future for Mankind and the China Dream proposed by Chairman Xi Jinping in 2012, the themes of CNMB have been upgraded, presenting many new features and reflecting mainstream values of the rapidly developing Chinese society. Therefore, this study also determines the new characteristics of CNMB. At last, the author reports their development trends in the post-industrial era. This paper hopes to provide reference values to their development, and also to the method of how to form a cultural characteristics of a country and its image and convey its mainstream values in the country and the world. This is beneficial to a country's cultural output and improvements of soft power. It also conforms to the development of China's national “Belt and Road” strategy. This paper uses literature research and an interdisciplinary approach to clarify the correlation between the concepts and the contexts, and then uses the method of generalizations and contrast to sum up CNMB features from the perspective of film industry aesthetics. Furthermore, this paper adopts the literature research method to point out that in the background of the post-industrial era and its development trends, it adopts the method of data analysis, comparison of form, and typical case study. By these research methods, it is found that CNMB' some places are similar to the aesthetics of the film industry. But with the development of the era, there are new characteristics of CNMB. Under industrial rules in the post-industrial era, it should strengthen ways to convey the mainstream values of a country to the world and, thus, enhance a country's soft power.
RAPD 마커를 이용하여 24개 국내외 대파 유전자원에 대해 유연관계를 분석하였다. RAPD 분석에 사용된 14개 primer에서 나타난 DNA 단편 크기는 0.10-2.00kb 범위에 위치하였다. 총 밴드 수는 290개였으며 이중 다형성을 나타내는 밴드는 54(19%)개였다. 유집분석 결과 크게 세 그룹으로 분류되었으며 ‘설풍' 그룹은 19점, ‘금장3호' 그룹은 2점, ‘금장' 그룹 3점으로 형성되었다. RAPD analysis was used to determine the genetic relationship of 24 welsh onion (Allium fistulosum L.) accessions. Fourteen random primers were tested and two primers which showed polymorphism were selected. The amplified fragments ranged from 0.10 to 2.00 kb in size. The total number of polymorphic bands scored was 54 (19%). From cluster analysis, 24 accessions were separated into three major groups: Nineteen out of 24 accessions that belonged to ‘Seol Poong' groups were divided into four subgroups. Also three out of 24 accessions that belonged to ‘Kincho' groups were divided into two subgroups. And two out of 24 accessions that belonged to ‘Kincho 3go' groups were divided into two cultivars.
This paper examines the reform of Chinese Universities' bilingual education, with special focus on the technological transformations. Compared with many developed countries, English has already become the barrier that restricts Chinese education from going mainstream on the global front, even though this situation has largely progressed in past decades. Some of the education tools are incompatible with Chinese language, and could not easily be provided to Chinese education systems directly, even if they are very useful in various fields. This paper will thoroughly discuss the most popular demonstration tools, referred specifically as Prezi and PowerPoint. Prezi and PowerPoint as the representative presentation tools ultimately have their own characteristics. Compared with the most traditional and popular PowerPoint, Prezi has some essential differences, such as navigation mode, content layout, innovation approaches, and application cost. In the reform of Chinese universities' bilingual education, especially in the instruction of International Politics, Prezi shows its great advantages compared with PowerPoint, which are content expression, content deduction, and content frame. This paper systematically elaborate on the advantages and characteristics that Prezi, as a presentation tool, ultimately applies toward the reform of Chinese universities' bilingual education. However, it has also realized certain barriers inherent in the development of the reform of Chinese universities' bilingual education.
본 연구는 아가로스 겔을 이용하여 금속성과 반도체성 단일벽 탄소나노튜브의 분리실험을 수행하였다. 아가로스의 농도, 분산제인 SDS (sodium dodecyl sulfate)의 농도, 아가로스 용액의 pH에 따른 단일벽 탄소나노튜브의 분리에 대한 영향을 고찰하였다. UV-vis-NIR 분광 분석으로부터 용액상의 아가로스 농도가 증가함에 따라 원심분리에 의해 추출된 상층부에서 금속성 탄소나노튜브의 비율이 증가하였지만, 분리된 탄소나노튜브의 전체적인 농도는 감소하였다. 분산제인 SDS 농도가 증가할수록 금속성 탄소나노튜브와 SDS와의 화학적 친화성으로 인해 상층부에서 금속성 탄소나노튜브의 비율이 증가하였으며, 아가로스 용액의 pH가 8.2일 때 금속성 탄소나노튜브의 비율이 최대 58.4%까지 증가하였다. The separation of metallic and semiconducting single-wall carbon nanobubes (SWCNTs) by agarose gel method was carried out in this study. The effect of concentration of agarose, SDS (sodium dodecyl sulfate), and pH in the solution on separation behavior was investigated. With increasing the concentration of agarose in the solution, it showed that the ratio of metallic SWCNTs, which was analyzed from UV-vis-NIR spectroscopy, was increased in the solution phase, while the overall concentration of SWCNTs was decreased. With increasing the concentration of SDS, we could observe that the ratio of metallic SWCNTs was increased due to more affinity between SDS molecules and metallic SWCNT. The highest metallic SWCNTs ratio was reached up to 58.4% when the pH of solution was 8.2.