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제주도 삼양연안해역의 해양환경학적 연구 : 수온, 염분 및 용존산소의 분포
양성기 제주대학교 해양연구소 1984 해양자원연구소연구보고 Vol.8 No.-
The seasonal distribution and characteristics of temperature, salinity and dissolved oxygen on the coast of Samyang were studied based on the oceanographic data compiled from February to November of 1983. The peculiar coastal sea water of the are a was annually formed by the temperature and salinity Iower than open sea water. and it was extended to about 1 Km off the coast. covering only the surface layer and such a phenomenon was most developed in summer. And then, the open sea water was strenuously appoached to the coast in winter, particularly, at middle and bottom layer mainly influenced by Tsushima warm current and it formed vertically homogeneouswater owing to the strong wind and tidal current. In summer, the sea surface temperature and salinity of coastal water were 28.5℃ and 29.7‰ by inflowing of much fresh water, while in winter they were. 13℃ ahd 34.7‰. repectively. Mean value of dissolved oxygen concentrated at surface layer of the coastal water during the period Feb. - June was 5.5-6.5㎖/ℓ, and it was higher than open sea water by about 0.3 ㎖/ℓ (3%). Through out the year. vertical mixing layer influenced by wind and tidal current the coastal area was formed at depth of 20m and it was deeper at open sea area about 10m depth than that of the area , but comparatively stable stratificationwas seen at the open sea area in summer. The shallow tidal front was found near the enterance of Samyang and Shinchon.
한국 남해연안의 해표면 수온분포와 천해전선의 변동 특성
양성기 한국환경과학회 1994 한국환경과학회지 Vol.3 No.2
The distributions of sea surface temperature across the Cheju Strait and the Korea Strait have been measured by using a thermometer installed on board No.1 Cheju, a ferry that operates regularly between Pusan and Seogwipo. The data from 14 October 1991 to 15 August 1992 were analyzed in this paper. A clear temperature front is formed at the adjacent sea of Geomundo, and its position is not fixed and moves north and south. The slow northward movement of the front can easily be traced, but the southward movement from March to October is obscure. The temperature contrast in the Cheju Strait and the Korea Strait is very weak in this period. Some periodical fluctuations with a period of several tens of days are observed in the region of the temperature front from November to February. This fluctuation seems to be caused by winter heat flux exchange and the strong southeastward wind force. The result shows that continous observation of the sea surface temperature distribution across the Cheju Strait and the Korea Strait yields a good method for monitoring the presence of Tsushima Warm Current and the fluctuations of South Korea Coastal Water. The formation and structure of shelf front in the Cheju Strait and the Korea Strait was analysed based on the detailed oceanographic data observed during the period of 1990-1992. The analysis shows that well-defined fronts were formed through yearly around the Chuja Island, particularly in summer. In nature, its structure and formation position can be changed easily from year to year and by season. But, in region of the Korea Strait this front is relatively weak.
인터넷상에서 Ontology를 이용한 정보의 분류와 획득을 위한 지능형 에이전트의 설계
양성기,이광옥,최길환,오창윤,배상현 조선대학교 통계연구소 2000 統計硏究所論文誌 Vol.2 No.1
In this paper, we propose a new method of information gathering and text classification based on Internet. The number and diversity of information resources on the internet is increasing rapidly. As more information become available on the internet, it becomes increasingly difficult to acquire knowledge we need. A number of tools are available to help people search for the information they need. However, These tools are unable to interpret the result of their search due to lack of knowledge of domain. We need more intelligent system which facilitates personal activities of producing information such as surveying, writing paper and so on. We Implemented a system called ⅡRS(Intelligent Information Retrieval System) which helps people to acquire knowledge form information resources on the internet by gathering information and classification texts. It specifies the common background knowledge shared by the user and ⅡRS, allow ⅡRS to make inexact match between the user's request and the candidates, assigns user-oriented categories. We tested ⅡRS for gathering pages on the WWW and classification articles on the network news. The result of the experiments indicated that the ontology based approach enable us to use heterogeneous information resources on the internet.
楊聖基,金在植 慶北大學校 醫科大學 1973 慶北醫大誌 Vol.14 No.2
Dubowski法에 依한 血糖正量을 Folin-Wu법과 比較 觀察하여 다음고 같은 結果를 얻었다. 1. Dubowski법은 Folin-Wu法에 比하여 眞正한 血糖値에 近似하였으며 操作이 매우 簡便하였다. 2. 同一人의 血液에 있어서 Dubowski法에 依한 血糖値는 Folin-쪄法보다 25±5.5mg% 낮게 나왔다. 3. 還元性 物質의 影響은 galactoe에서 顯著하였으나 tascorbic acid 및 glycine에 對한 影響은 輕微하였다. 4. 70mg% 以下의 低濃度와 600mg%以下ml 高濃度의 glucose溶液에서 標準檢査線과 一致하지 않으나 血液 使用量을 2倍量 或은 2倍 稀釋하여 使用하므로서 橋正이 可能하였다. 5. 全般的으로 Dubowski法에 依한 血糖正量法은 簡便하고 經濟的이며 손쉽게 試藥을 얻을 수 있는 長點이 있었다. Today we are facing to perform the gradually increasing numbers of laboratory examinations for diabetes, and then recenly there has been required more simple and accurate method for the determination of blood glucose. The author attempted to evaluate one of the newest method. Dubowski method along popular Folin-Wu method is the substitution old method for new method. 39 cases of randome samples from normal and diabetics were determined. The principle of Dubowski method is base upon the reaction between the o-toluidine reagent in glacial acetic acid and blood glucose resulting in green color development (glycosylamine). The maximum absorbance was taken at 630 mμ with Coleman Junior Model 6D spectrophotometer. Dubowski method was thought to be more convenient and simple as well as the result was more close to true glucose level than Folin-Wu method with the mean difference 25±5.5mg% between two methods. Dubowski method tended to reveal considerable effect by other reducing substance, especially galactose and lactose, but not by ascorbic acid and glycin.