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한국인 지방,간장 및 혈액 웅 유기염오제류 및 PCB congeners의 분포
유영찬(Young Chan Yoo),이상기(Sang Ki Lee),김기욱(Ki Wook Kim),이수연(Soo Yeun Lee),양자열(Ja Youl Yang),김윤신(Youn Shin Kim),오승민(Seung Min Oh),정규혁(Kyu Hyuck Chung) 대한약학회 2002 약학회지 Vol.46 No.4
Persistent organochlorine pesticides and polychlorinated biphenyls (PCBs) have been used intensively in agriculture or industry for a long time. The occurrence of organochlorine pesticides and PCBs in the environment and subsequently in parts of the food chain, resulting in the intake of these compounds by man and animal. The measure of the levels of organochlorine pesticides and PCBs in tissues or blood of human populations are good markers in determining the extent of exposure and in the evaluating the hazards. So, most countriess have conducted initial monitoring programs to determine organcchlorine pesticides and PCBs in human tissues. But a few report has been presented in Korea. In this study α-BHC, β-BHC,γ-BHC, δ-BHC, p,p'-DDT p,p'- DDD, p,p'-DDE, endrin, dieldein, aldrin and 7 marker PCBs (28,52, 101, 118, 138, 153, 180) were determined in human blood, adipose tissue and liver tissues collected at autopsy of 10 men and 10 women, 13-79 year of age. Significant differences in the levels of organochlorine pesticides and PCBs between districts where they had lived were found in the following chemicals : total PCB in the blood : β-BHC, total BHC, p,p'-DDE and total DDT in the adipose tissue : p,p'-DDE, total DDT and PCB 118 in the liver. No significant difference was fecund in the levels of organochlorine pesticides and PCBs between sexes and ages. Though the levels of organochlorine pesticides and PCBs were relatively lower than that of other countries, we could know that organochlorine pesticides and PCBs have been widely distributed in Korean human body.
조영찬(Young-Chan Cho),백만기(Man-Kee Baek),박현수(Hyun-Su Park),조준현(Jun-Hyun Cho),안억근(Eok-Keun Ahn),서정필(Jung-Pil Suh),정지웅(Ji-Ung Jeung),이종희(Jong-Hee Lee),원용재(Yong-Jae Won),송유천(Yoo-Chun Song),정응기(Eung-Gi Jeong 한국육종학회 2020 한국육종학회지 Vol.52 No.S
Rice research in Korea during the past 100 years has gone through tremendous changes and improvements as the country underwent a turbulent history of transformation. Full-scale R&D modernization began in the 1970s, when the government focused policy on achieving self-sufficiency in rice in order to establish the foundation for national economic growth. A major landmark was reached by the development of the rice variety “Tongil” and its cultivation technology, which was at the core of the unprecedented Korean “Green Revolution”. Since achieving self-sufficiency in rice, the breeding goal of Korea moved from increasing yield to improving grain quality as more consumers began to seek high quality food products in the 1980s. This change led to the establishment of the high quality rice breeding platform for enhancing the global competitiveness of Korean rice to cope with the opening of domestic rice market in the 2000s. Currently, the major breeding goals in rice are developing premium quality cultivars for table rice and specialized cultivars for boosting processed food industry. To date, the National Institute of Crop Science has released a total of 300 rice cultivars, including 202 table rice and 98 specialized usage cultivars. Diverse technologies have been developed and utilized for breeding new rice cultivars to meet changing needs. In the next 100 years of rice breeding, the convergence of traditional crop improvement technologies and the new breeding technologies utilizing recent advances in biotechnology will play a crucial role in enhancing breeding efficiency.
이영찬(Lee Young-Chan) 동양사회사상학회 2006 사회사상과 문화 Vol.14 No.-
The purpose of this paper is to investigate the structural principles of confucian society. And the social structure is stipulated in terms of social relations and the system of these relations. The structural principle is drawn from the theory of lines, in which ‘position’, ‘response’, and ‘middle’ are stated, yin-yang theory, and neoconfucian theory.<BR> The principle of social relations is clearly shown in the ‘situation of lines’ in ‘book of change’. For example, the structural principle of society can be found in yin-yang correct position and the principle of social relations is shown in yin-yang correct middle, and communicative principle of social relations is found in yinyang correct response.<BR> The principle of social system is shown in yin-yang theory and neoconfucian theory. The yin-yang theory is said to define the functional balance and harmony between the elements of social systems. Through the equivalent relation of yin and yang, these two elements (1) can have equal structure based on the same foundation, (2) can have contradictory structure of unification between yin and yang, (3) can have the structure where yin and yang support each other, and (4) can have the structure that can be complemented in their functions.<BR> Neoconfucian theory unifies and divides the elements that compose the confucian social systems both mutually and hierarchically, thus, being the principle that stipulates the organic relations in social systems. The implications that the social relations and the principles of social systems in confucianism helps to understand the modern society are summarized as follows:<BR> First, Confucianism regards a society as a moral community and, therefore, is different from the artificial modern western world view.<BR> Second, society does not rival the individuals or the nation in Confucianism. Society is closely unified with the individuals and the nation.<BR> Third, society is regarded as a small universe in Confucianism and the social order follows the natural order. 본고는 유교사회의 구조적 원리를 탐색하는 데 목적이 있다. 이를 위하여 사회구조를 사회적 관계와 관계들의 체계로 규정하고 그 원리를 「주역」의 위位ㆍ응應ㆍ중中의 원리와 음양대대론, 그리고 리일분수론에서 추론하였다.<BR> 사회관계의 원리는 『주역』의 효덕爻德에서 잘 드러난다. 이를테면 괘효에 있어서 음양당위에서 사회의 구조적 원리를 발견할 수 있다. 또한 음양의 시중에서 사회적 관계의 시의성時宜性의 원리를 찾을 수 있다. 그리고 음양정응 관계에서 사회적 관계의 소통의 원리를 찾아볼 수 있다.<BR> 한편, 사회체계의 원리는 음양 대대이론과 리일분수론에 잘 나타난다. 음양 대대이론은 사회체계를 구성하는 요소들간의 기능적 조화와 균형을 규정하는 원리라 할 수 있다. 음양이 대대적 관계에 있음으로써 음양은 ① 동일한 뿌리에 기반을 둔 평등한 구조를 갖고, ② 음양간에 모순적 통일의 구조를 갖으며, ③ 음양 상호간에 존재의 조건이 되는 구조를 갖고, ④ 그리고 상호 기능적 보완의 구조를 갖는다.<BR> 그리고 리일분수론은 유교사회체계를 구성하는 요소들간의 상호적 또는 층차적 분화와 통합의 원리라 할 수 있다. 그래서 리일분수론은 사회체계의 유기적 관계를 규정하는 원리가 된다. 이와 같은 유교의 사회적 관계와 사회체계의 원리가 현대사회를 이해하는 데 품고 있는 의미를 간추리면 다음과 같다.<BR> 첫째, 유교는 사회를 도덕공동체로 인식하고 있다. 그래서 인위적, 계약적인 서구 근대사회관과는 다르다.<BR> 둘째, 유교는 사회를 개인 혹은 국가와 대립시키지 않는다. 유가에 있어 사회는 개인과 국가와 긴밀히 통합되어 있다.<BR> 셋째, 유교는 사회를 소우주로 인식한다. 그래서 사회질서는 자연의 질서를 따른다.
유영찬(Yeong Chan Yoo),안형준(Hyung Joon Aan),최창식(Chang Sik Choi),오영석(Young Suk Oh),이리형(Li Hyung Lee),문태섭(Tae Sup Moon) 한국강구조학회 1993 韓國鋼構造學會誌 Vol.5 No.2
A preflex beam is a type of concrete encased steel beam of which prestressing has been introduced in the lower flange concrete. To build up preflex beam, preflexion load are first applied to the steel beam, and secondly, while keeping the steel beam bent, the lower flange concrete is cast. Then, releasing the applied loads after the concrete hardened, the prestress is introduced into the concrete. This preflex beam has merits such as large flexural stiffness with smaller beam depth and low maintenance costs. Recently, in this merits, it has been demanded to apply the preflex beam to building structure of large span such as bowling center and gymnasium. In this paper, the strength and deformation characteristics of preflex beam are discussed through positive and negative bending experiments of preflex beam as a strength test.