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慶北 漆谷郡 河濱池에서 採集한 淡水魚의 吸蟲類 被囊幼蟲의 奇生狀
林宗燮,文柱煥,鄭東一,崔東翊 慶北大學校 醫科大學 1991 慶北醫大誌 Vol.32 No.3
1990年 4月부터 同年 9月까지 慶北 漆谷郡 河濱池에서 淡水魚를 投綱, 낚시, 사발모지等으로 採集하여 吸蟲類 被囊幼蟲의 魚種別 寄生狀을 調査하였다. 河濱池에서 採集된 5種의 淡水魚에서 5種의 吸蟲類 被囊幼蟲을 同定하였던 바 몰개(Gnathopogon atromaculatus)에서는 5種의 吸蟲類 被囊幼蟲이, 참붕어(Pseudorasbora parva)에서는 3種의 被囊幼蟲이 檢出되었고, 강준치(Erythroculter erythropterus)와 납지리(Paracheilognathus rhombea)에서는 各各 1種의 被囊幼蟲이 檢出되었다. 붕어(Carassius carassius)에서는 吸蟲類 被囊幼蟲이 전혀 檢出되지 않았다. 肝吸蟲 被囊幼蟲의 寄生率과 寄生程度는 몰개에서 各各 58.9% 및 2.0個로 가장 높았으며, Metagonimus屬 被囊幼蟲은 몰개에서만 그 率 3.6%, 그 程度 1.0個로 檢出되었다. 그외의 3種의 吸蟲類 被囊幼蟲, Cyathocotyle orientalis, Metacercaria hasegawai, Pseudexorchis major는 各各 7.4個, 1.0個, 1.0個의 寄生程度를 나타내었다. 이번 調査로 慶北 漆谷郡 河濱池는 吸蟲類의 輕微한 浸潤池임과 河濱池에서 醫學的으로 重要한 淡水魚 宿主는 몰개였다. From April to September, 1990, fresh-water fish collected in Habin pond, Chilgok country, Kyungpook Province, were examined for the determination of the prevalence and intensity of infestation with digenetic larval trematodes. From 5 species of fresh-water fish collected, 5 species of metacercariae were identified. Gnathopogon atromaculatus, the korean shiner, was found to be infested by 5 species of the metacercariae whereas Pseudorasbora parva, the southern top-mouthed minnow, by 4 kinds. Erythroculter erythropterus, the white fish, and Paracheilognathus rhombea, the flat bitterling, were infested with 3 kinds of metacercariae. However, no digenetic larval trematode was demonstrated from Carassius carassius, the crusian carp. The rate and intensity of infestation with Clonorchis sinensis was the highest in G. atromaculatus, 58.9% and 3.4 cysts per gram of flesh, respectively. Metacercaria of Metagonimus species was detected from G. atromaculatus alone. The intensity of fish with the remaining 3 kinds of metacercariae, Cyathocotyle orientalis, Metacercaria hasegawai, and Metorchis orientalis, 7.4, 1.0 and 1.0 cyst per gram of the flesh, respectively. In the light of these results, it seemed likely that Habin pond might be enzootic focus of digenetic larval trematodes and G. atromaculatus might be a fish host of the greatest medical importance.
임주환(Chu Hwan Yim) 대한공업교육학회 1989 대한공업교육학회지 Vol.14 No.2
In this paper it will be presented how the society will be changed in the future information age. The progress status of ISDN implementation worldwide is also described, which provide the infrastructure for an information society. And then there will be some remarks on education system in view of future information society,
박영호,김세헌,임주환,문상재,강신각 경북대학교 전자기술연구소 1994 電子技術硏究誌 Vol.15 No.1
This paper analyzes instances of the computer crime related in computer communication network, explores the security model of computer communication network, and represents the technical prevention scheme. An analysis of criminal instances makes us cope with the computer crime effectively. Also the security model and the technical prevention scheme will be the basic frame to realize a security system in computer communication network.
An Adaptive Framework for Forecasting Demand and Technological Substitution
Kang, Byung-Ryong,Han, Chi-Moon,Yim, Chu-Hwan Electronics and Telecommunications Research Instit 1996 ETRI Journal Vol.18 No.2
This paper proposes a new model as a framework for forecasting demand and technological substitution, which can accommodate different patterns of technological change. This model, which we named, "Adaptive Diffusion Model", is formalized from a conceptual framework that incorporates several underlying factors determining the market demand for technological products. The formulation of this model is given in terms of a period analysis to improve its explanatory power for dynamic processes in the real world, and is described as a continuous form which approximates a discrete derivation of the model. In order to illustrate the applicability and generality of this model, time-series data of the diffusion rates for some typical products in electronics and telecommunications market have been empirically tested. The results show that the model has higher explanatory power than any other existing model for all the products tested in our study. It has been found that this model can provide a framework which is sufficiently robust in forecasting demand and innovation diffusion for various technological products.