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성해련,송현주,김태규,문영주 효성여자대학교 가정대학 학도호국단 1987 家政大論集 Vol.6 No.-
The purpose of this research is in comparing the goods which have been producing in severalcompany and judging them, and examing how much intrested are the consumers in the labels whichgive us informations. In order to certify them we've investigated the degree of confirmation, confidence, utilization andrecognition of the consumers about the labels. The questionnair method was used to obtained the data which was mad by a result of self-adminis-ted questionnair. A size of random sample for this research was 125 subjects. The results are as follows ; 1) Most of the consumers confirm the labels. 2) The degree of the consumers' recognition about the necessity of the labels is nearly correspondwith the utilization of it. 3) The consumers' confidence about the label of ready-made clothes in the open market is relatively low. That's because they(the labels in the open market) are usually incorrect yet and couldn't giveus enough informations.
金太奐,金太勳,朴惠蓮,李基鉉 明知大學校 産業技術硏究所 2003 産業技術硏究所論文集 Vol.22 No.-
Abstract - Recently, the IP multicast providing point-to-multpoint delivery has received wide concerns due to the ever increasing applications based on it, such as video on demand, IP broadcasting service, and so on. However, most of the exiting multicast protocols have a scalability problem in which the network performance degrades as the increase of the network size. Among the existing protocols, the Protocol Independent Multicast(PIM) protocol has been known as one the effective protocols that handles the scalability problem. Especially, the PIM-SM is more suitable for the realistic situation of the current Internet. The purpose of this paper is to examine the effect of this threshold value on the network performance in respect of the packet loss for a variety of network topologies.
李演洙,金泰勳,朴惠蓮,李基鉉 明知大學校 産業技術硏究所 2003 産業技術硏究所論文集 Vol.22 No.-
In this paper, we deal with the Negative Acknowledgement(NACK)-Implosion problem that arises in the multicasting environment, and present a scheme to cope with this problem, the modified version of the Scalable Reliable Multicast(SRM) protocol, called SRM-K. This motivates this work in which the NACK message are generated depending on the congestion level inside the network. The occurrence of congestion is determined by estimating the round trip time (RTT) for each message. As an indication of the congestion level, we introduce a counter in each node, whose value K in dynamically adapted to the change of the network situation, namely increases when the congestion builds up and decreases otherwise. The proposed SRM-K scheme is evaluated by performing the simulation, showing that it outperforms the SRM, in particular, in the scenario when the network situation dynamically varies.
Studies on the Development of Natural Cheese Product
TAE, RYEON HEO,Lee,Hyang Hee 한국식품위생안전성학회 1990 한국식품위생안전성학회지 Vol.5 No.1
For the improvement of quality of cheese, and extension of the consumption of a natural cheese, we made the favorable semi-hard cheese through the studies about, the effects of the changes of cheese making process on the final cheese property. In the heat treatment method, the pasteurization effect was the most efficient at 72℃/16 sec. In order to develop specific acidity, two starter were added in the pasteurized milk. In this case the mesophilic starter spent more time than the thermophilic starter did. In the pasteurized milk, 1.5% added starter was the most effective. When the acidity was progressed above to 0.160% due to the starter, heat-treated milk was coagulated into a degree to be cut easily in 35 minutes with the addition of 0.0025% rennet, at 33℃ without addition of the calcium chloride. In the different heating method, time and curd treatment, it was indicated that four type cheeses A, B, C, D were different in pH and acidity of final curd.