http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
梁成模 啓明大學校 産業經營硏究所 1980 經營經濟 Vol.12 No.1
Ⅰ The purpose of this article is to review the possibility of trade onlargement between the Western nations and Eastern nations, and especially the possibility of exportmarket development in the Eastern nations for the Korean products. Ⅱ After a brief deseription of the historical development and current state of the East-West trade, the following special characteristics in the East-West trade emphasized. the foreign trade in the soeialist nations is controlled and managnd direetly by government. The East-West trade agreements are characterized by compensation deals, counter-purchases, and product buy-back. The methods of East-West trade are characterized by payment by transferrable currencies, compensation trade or switch trade, and payment by the bilateral payment agreement. There are two contradictive views on the perspeetives of the East-West trade. Firstly, the affirmative view insist that socialist nations will do their best to achieve their domestie eeonomie development and to enhance the standard of living of their people by continuous importing of machineries, equipments and technology. There has been sufficient variation of export-import programs and manage ment systems even among socialist nations. Socialist nations need the economic cooperation with the Western nations in the fields of technology and resource development. An excellent example of such optimistic view is the improve ment of China's international trade position, resulting from a detente between Peking and Washington. The other hand, the pessimistic view is that the differences of economic systems between the Eastern and the Western nations including politieal factors will hamper the East-West trade. The low-quality of the industrial goods has reduced the international competiveness of the socialist nations. It is very difficult for capitalist nations to acquire the economic information about socialist nations. The Korean government has amended the Trade Transaction Law to trade with non-hostile communict nations. Korea eurrently conducts trade with 13 socialist nations. Especially, we established foreign-exchange bank offiees in Austria and Switzerland to handle the currency exchange problems connected with such transactions. An agreement was also made with Finland on the establishment of a joint venture company solely for the transaction of trade with the East European nations on the private basis. Ⅲ There are still many negative factors on East-West trade. For the socialist nations, however it is eearly impossible to achieve their economic development program without importing both captital and consumer goods from capitalist nations. On the part of capitalist nations, there exists a great potential for their products in the socialis markets. So, the future of the East-West trade will have a bright prospect if the internal and external conditions become favorable and mutual efforts of both sides for active trade are continued.
유사 투과타원상수의 극좌표상 자취에 기반한 단축 이방성 기층의 복굴절 해석
양성모,김상열 한국광학회 2019 한국광학회지 Vol.30 No.4
PET와 같은 단축 이방성 기층의 유사 투과타원상수 tan 는 광축의 방위각이 고정되어 있을 때 위상지연각이 변함에 따라 극좌표계에서 원을 그린다. 이 원의 반지름과 중심의 좌표는 광축의 방위각에 의해 결정되지만 항상 좌표점 (1,0)을 지나며 원의 중심은 실수축 상에 있다. 단축 이방성 기층의 유사 투과타원상수가 극좌표에서 그리는 자취의 이러한 특성들을 해석적으로 확인하고 이 특성들을 이용하여 측정된 투과타원상수로부터 단축 이방성 기층의 광축의 방위각과 위상지연각을 결정하는 간단한 표현들을 제시하고 실제 PET 시료의 이방성 분석에 잘 적용됨을 보였다.