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The aim of this study was to analyze the lexical characteristics of Korean and Chinese elementary school textbooks and the way in which the four basic language skills of English were presented in those textbooks. The texts for the analysis consisted of a Korean third grade elementary school English textbook and a Chinese first grade elementary school English textbook. Analysis of English vocabulary and comparison of the English language skills between the two countries presented the following results. First, a greater number of English vocabulary items were found in the Chinese textbook than in the Korean textbook. Second, the Korean textbook contained more content words than function words. Third, vocabulary analysis according to theme demonstrated that the Chinese textbook contained a greater diversity of words for each thematic area than the Korean textbook. In addition, a comparison of vocabulary reflecting the cultural background of each country showed that the first grade Chinese English textbook listed more words than the third grade Korean English textbook.
For this study, third year university students taking a course on “�Children’�s English Textbook Development” presented on three units each from the textbook and teacher’s manual for third grade elementary English instruction used in the seventh curriculum program and analyzed and evaluated their reactions from the perspective of elementary school English teachers. Twenty university students took turns reviewing three units each from the textbook and teacher’�s manual, referring to the criteria developed by Park Yak-u et al. (1997), and comparatively examined their strengths and weaknesses. While the seventh educational curriculum, in comparison with the sixth educational curriculum, is very beneficially and conveniently developed for the teacher in charge of elementary in English, the results of this study showed several problematic areas. Among the most prominent of these areas in need of supplementation were the fact that the textbook do not appropriately reflect the realistic demands of students and that, in reality, the teacher’�s manual does not offer distinct materials for level-based study in the stages of supplementation, foundation and expansion, presenting a considerable psychological burden for class preparation on elementary school teachers of English. Thus, they felt that it was urgent that the study conditions be formed so that the texts can maximally address these weaknesses as soon as possible and teachers can conduct truly exciting English classes.
Various Sialon ceramics were fabricated by hot-pressing mixtures of Si3N4 with additive Y2O3 andAl2O3. The polished specimen of SiAlON Ⅰ∼Ⅲ went on increasing in strength by heat treatment, heat treated non-polished specimen were similar or up to polished specimen in strength. The polished specimen of both SiAlON Ⅳ and Ⅴ showed a very high strength, but were not increasing of strength by heat treatment. All specimens were fractured on surface and at the inner flaws. Surface fractures were initiated from the polished surface flaw and corner flaw. Inner fractures were initiated from an internal defect.
The purpose of this paper is to investigate the effects of using animation in the development of English teaching and learning. The questionnaire data reveal that when they are naturally exposed to an English-friendly environment in the classroom students feel effects in developing the four skills of English equally. At the end of the first semester, the majority of students felt strong confidence and interest because they were fairly comfortable using animation in terms of integrated English education. This study proposes that authentic learning materials such as animation need to be more widely used in the context of the English-friendly classroom as frequently as possible.
'스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.
Currently the number of automobile have been increased constantly and emissions emitted from automobiles are increasing gradually in terms of contribution of total amount of environmental air pollution. Accordingly the development of environmentally friendly eco-vehicles have been researched in many different research fields. Electric vehicle have been developed by Tesla and the market share is more then 80% and the key technology depanes on durability and acceleration of battery and motor. Environmentally friendly eco-vehicle using hydrogen, LPG, CNG and bio-fuel has modified and developed existing internal combustion engines. However, automobile engines to generate power have been used for 100 years after industrial revolution and there are a technical barrier in substituting internally combustible engine with electric vehicle and gasoline and diesel engine need to be developed to become environmentally friendly eco-vehicle by controlling exhaust emissions. In particular, diesel engine is better than gasoline engine in terms of thermal efficiency and engine power but more harmful particulate matter and NOx are emitted aggravate air pollution. This research aims to optimize fuel consumption by installing LNT system to a passenger diesel engine and then satisfy recent Euro-VI emission regulation.. 현재 자동차수는 지속적으로 증가하고 있으며 자동차에서 배출되는 배출가스는 점차적으로 총 환경오염에 미치는 영향이 심각해진고 있다. 이에 따라서 전기 자동차 등 친환경자동차에 대한 개발을 여러 분야에서 서둘러 연구 개발하고 있다. 전기자동차는 테슬라를 중심으로 연구 개발이 되고 있으며 전기시장의 80% 이상을 지배하고 있다. 핵심기술인 모터의 가속성과 내구성이 기술의 관건이라고 할 수 있다. 친환경자동차로는 수소, LPG. CNG와 바이오연로를 사용하는 자동차로서 기존의 내연기관을 수정하여 발전시킨 기술이라고 할수 있다, 그러나 산업혁명이후 100년 동안 동력을 발생하기위하여 사용된 자동차용 기관을 전기 자동차를 대체하기에는 기술적인 한계가 있으며 향후로도 계속해서 기존의 가솔린과 디젤엔진을 배기가스 제어를 통해서 친환경 엔진으로 개발해야 한다고 판단된다. 특히 가솔린기관에 비해서 디젤기관은 열효율과 출력이 높지만, 다량의 입자상물질과 질소산화물이 발생되어 환경을 악화하고 있다. 본 연구에서는 승용디젤차에 LNT를 적용하여 연료소비를 최적화하는 기술을 개발하여 Euro-VI 배기규제에 대응하고자 한다.
The purpose of this article is to show characteristics of complaints of Korean native speakers (KNs), Korean learners (primary, intermediate, and high class) of Japanese language of (KLs), and Japanese native speakers (JNs). When fourteen displeased situations happening occasionally in daily life were given to them, for their complaints about the situations, the degree of complaints and the expression behavior of complaints were investigated. Particularly the complaints by speech act were analyzed with a point of view on the use of strategy and the degree of face-threat (FT). The degree of complaints was higher in order of JNs>KLs>KNs. For the expression behavior of complaints, all of three group (KNs, KLs and JNs) tended to use speech act. For the strategy of complaints and the degree of FT, JNs tended to use strategy of lower degree of FT than that of KN. And KLs showed a tendency of interlanguage which was getting close to targeting language, using strategy of lower FT degree than that of mother language group (KNs) even at a primary class. These results give the following implications for the education of Japanese language for KLs. 1) As the most useful method to resolve the situations of complaints, JNs also use speech act, but JNs recognize the situations more seriously than KNs and their degree of complaints is higher. 2) Nevertheless, JNs are contrasted with KNs by that they would minimize the probable trouble with a person due to their complaints by selecting strategy of low FT degree.