• 한국수학교육학회지시리즈A:수학교육
• /
• 제38권1호
• /
• pp.87-94
• /
• 1999

A multimedia CD title is developed for learning simple closed curve and Mobius band which are one of mathematics contents in the first grade of middle school. This title visualizes various figures through graphics and animations so that students can easily understand the relevant concepts and learn them with fun. It is shown that 88.6% of 30 sampled teachers are positive for the title and that 86.7% want to use it as a teaching tool in their classes.

• 한국응용곤충학회지
• /
• 제20권3호
• /
• pp.151-154
• /
• 1981

1974연에 국내에서 채집한 매미충을 분류동정하여 신종 Planaphrodes bella sp. n.(섬흑곰매미충 : 신칭) Xestocephalus cognatus sp. n. (설악별매미충 : 신칭) Watanabella graminea sp. n.(풀꼬리매미충 : 신칭)의 3종을 기재보고한다.

• East Asian mathematical journal
• /
• 제28권4호
• /
• pp.403-417
• /
• 2012

We can understand in the context of kant's philosophy the intuitive geometry education arguing that geometry education should begin with intuition. Both Pestalozzi and Herbart advocate a connection between geometry and intuition as well as a close relationship between geometry and the world. Significance of the intuitive geometry education resizes in the fact that geometry becomes both an example of and a principle of general cognition. The intuitive geometry education uses figures as an educational foundation in the transcendental condition for the main agent of cognition. In this regard, the intuitive geometry education provides grounds for the human character development.

• 한국작물학회:학술대회논문집
• /
• 한국작물학회 2017년도 9th Asian Crop Science Association conference
• /
• pp.254-254
• /
• 2017

This study evaluated the grain quality of local brand rice from 6 major rice exporting countries which are anticipated to export their rice to Korea. Recently, with the end of the postponement of rice import tariffs in 2014, Korea is in a very easy environment to import foreign rice. Therefore, the quality evaluation of local brand rice in those countries is needed to secure the quality competitiveness of Korean rice, also to protect the rice industry in Korea. We provided total 38 local brand rice from USA(7), China(16), Australia(4), Thailand(3), Vietnam(5) and India(3), and 2 imported brand rice through MMA from USA and China to find out the status of the grain quality for each country. For the quality evaluation, we analyzed the physicochemical properties, milling and palatability-related characteristics. The amylose content on country average ranged from 24.4(India)~16.2%(Thailand). The protein content was 6.66% by overall average, and was higher in order of India(7.86), Australia(6.80), Vietnam(6.61), Thailand(6.59), China(6.28), USA(5.82). In Toyo glossiness value, it ranged from 75.7~45.2, and the figures in USA and China were the highest level. The head rice ratio ranged from 95.2~72.4%, and the figures in Thailand, USA and China were distinctly high. When we analyze the palatability of boiled brand rice with Chucheongbyeo as check variety by expert panelists, several rice brands from USA and China showed equal or better scores in shape, smell, taste, stickiness, texture and overall score, although most rice brands showed a tendency to decrease significantly in the taste characteristics compared with Chucheongbyeo. From the above results, it can be seen that the grain quality of USA and China rice is very competitive when imported into Korea. The results will provide basic information for the quality control of foreign rice which will be imported into Korea in the near future, also for the quality information which could be applied on the development of high-quality Korean rice varieties. Continuous monitoring about the foreign brand rice is advisable to improve the quality competitiveness of Korean rice.

• 대한기계학회논문집
• /
• 제14권2호
• /
• pp.367-375
• /
• 1990

A data structure representing 3-D objects was designed for the personal computer. It is very simple to be used in the personal computers which have small memory and low speed. A homogeneous transformation for developing 3-D objects was derived. Each developing procedure consists of five transformations : one translational-three rotational-one translational. Developing a solid is a creative work. So the results of developing vary with the order of surfaces to be developed. One method to reduce the length of seam was considered. The programs used in this study were written in Pascal and Assembly and a modeller that generates 3-D primitives was included. This program is an interactive dual-screen system. While all the menus in Korean are displayed at the monochrome monitor, the development figures with projective views are drawn at the color monitor. The program has wide applications for plate works.

• 한국응용곤충학회지
• /
• 제37권2호
• /
• pp.109-115
• /
• 1998

Decnusa속 (벌목:고치벌과:장승입고치벌아과)의 2종 Dacnusa(Aphanta) sasakawai Takada와 Dacnusa(Dacnusa) nipponica Takada를 한국미기록종으로 보고한다. 전종은 Liriomyza broniae(Kaltenbach), 오이잎굴파리와 Chromatomyia horticole(Gourea), 완두굴파리에 기생했으며, 후종은 완두굴파리에 기생했다.

• Asia Pacific Journal of Business Review
• /
• 제3권1호
• /
• pp.1-17
• /
• 2018

South Korea has had a rich history of independent thinking and self-reliance since the Korean Conflict. The war left the country the need for infrastructures in a variety of fields. Instead of relying on aid from foreign nations, however, key figures within South Korea's borders fathered the nation's first government-funded scientific and engineering institute, the Korea Institute of Science & Technology (KIST). Even though KIST encountered numerous obstacles, its commitment to research and development (R&D) would ultimately allow it play a crucial role in the rebuilding of the country. As a result of the institute's success, South Korea was able to move forward economically to become a beacon of hope for developing nations around the world.

• 국제학술발표논문집
• /
• The 1th International Conference on Construction Engineering and Project Management
• /
• pp.849-854
• /
• 2005

After participation in the Colombo Plan in 1954, Japan has provided Official Development Assistance (ODA) to 185 countries and areas, and the accumulated amount of Japan's ODA is approximately US$ 221 billion for 50 years. Japan is the second largest ODA donor country in the world now. The country is contributing to the peace and development of the international community. However, the recipient government and the parties concerned are not always satisfied with the Japan's ODA system.. Especially the grant aid system is strongly based on the domestic public work system. This paper analyzes the problems and figures out solutions from the viewpoint of donor and the participant.

• 한국과학교육학회지
• /
• 제31권6호
• /
• pp.998-1008
• /
• 2011

이 연구는 초등학생의 관찰능력 측정준거를 개발하는 데 목적이 있다. 본 연구에서는 관찰능력의 측정준거를 관찰대상, 관찰관점 및 요구정신용량으로 설정하였다. 관찰대상은 평면모양과 입체모양, 관찰관점은 고정과 변화로 구분하고, 요구정신용량은 2부터 5까지로 하여, 관찰능력 측정 준거의 삼차원틀을 개발하였다. 측정 준거의 타당성을 검증하기 위해 삼차원틀에 따라 조사도구를 개발하였고, 초등학교 저 중 고학년 166명에게 투입하였다. 연구결과, 관찰대상, 관찰관점 및 요구정신용량의 세 가지 준거에 따라 관찰능력 검사점수에 의미 있는 차이가 나타났고, 학년에 따라 의미 있는 차이가 있었다. 관찰대상에서는 평면모양, 관찰관점에서는 관점고정, 요구정신용량이 작을수록 관찰능력 점수가 높게 나타났고, 저학년에서 고학년으로 갈수록 관찰능력 점수가 높았다. 따라서, 본 연구에서 개발한 관찰능력 측정 준거는 초등학생들의 관찰능력을 의미있게 파악하고 변별할 수 있으며, 신뢰롭고 타당한 초등학생의 관찰능력 측정도구를 개발하는데 기초자료를 제공할 수 있을 것으로 기대한다.

• Clinical and Experimental Pediatrics
• /
• 제51권4호
• /
• pp.339-342
• /
• 2008

The Korean Health Insurance (KHI) has been introduced since 1977 and it took only 12 years that KHI had accomplished the total coverage of Korean population. The remarkable success of KHI can be compared with other OECD countries which had taken some 30 years to over 100 years to establish the total coverage of the population. Life expectancy at birth and the infant mortality rate in Korea in 2005 both surpassed the average figures of the OECD countries, The main reason for the success of KHI can be delineated with the three characteristics in KHI development; low premiums, low benefits, and low fee-schedule charges. However, these three characteristics of KHI, which had been the key for the rapid development of the system, have become terrible disadvantages for the stable development of KHI. The dissatisfaction and discontent of health care providers are ever increasing. The population is reluctant to pay more premiums though it seems essential for the better care coverage. The health care system has been heavily distorted toward high technology-oriented expensive care. There should be several factors seriously tackled for the secure development of KHI in the future. This paper will review a brief history of KHI development, and I would like to make a suggestion of health insurance for children.