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RISS 인기검색어
- 검색키워드
- 저자 : Hae Jong Rhee ) (검색결과 58 건)
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성해경,박종태,노진수,이강현 조선대학교 에너지.자원신기술연구소 2002 에너지·자원신기술연구소 논문지 Vol.24 No.2
Blowfish is a symmetric block cipher that can be used as a drop-in replacement for DES or IDEA. It takes a variable-length key, from 32bits to 448bits, making it ideal for both domestic and exportable use. In this paper, the Blowfish unit is designed using pipeline architecture and correctly implements the algorithm with a focus on ease-of-design and ease-of-use without sacrificing too much speed or size. For the real time process of Blowfish, it is required that high-speed operation and small size hardware. So, the scheme of new adders designed has all advantages abstracted from other adders. As a result of this new adder designed, area cost increases by 1.05 times but the operation speed increases by 1.2 times.
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한우시장의 구조와 가격분석에 관한 연구 ( 강원지역을 중심으로 ) 제1보 . 우시장의 종류와 소이동에 관한 연구
이해종 ( Hae Jong Rhee ) 한국축산학회 1975 한국축산학회지 Vol.17 No.3
Since Kangwon province has not only been the typical supply region cf beef to Seoul and other area but also is considered the best suited cable production area, an attempt was made to investigate and analyse its types of market and moving line of cattle to facilitate and improve the circulation with the following results. 1. There were 59 cattle markets in Kangwon province, ⅔ (65%) of which were either imperfect markets (34%) where average heads of cattle dealt during one market day was scarcely one or below-level-market (31%) where 1 to 10 heads of cattle were traded. Although the markets dealing more than 10 leads during one market day were ⅓ of the total markets, the full-fledged markets that dealt more than 50 heads were about 10% of the total markets. 2. As to distribution of cattle markets, more markets were located in remote mountainous regions where transportation were inconvenient. Nevertheless the markets in those regions were mostly imperfect and below-level-markets. The cattle markets that dealt with more than 10 heads on 1 market day were not more than 1 to 2 in one country. Many of the miniature cattle markets in mountainouss region were due to the wide scattering of the cattle raising farms and the exsistence of many imperfect and below-level-markets means that there exsist too many cattle markets in comparison with the number of cattle raised by farmer. 3. In Kangwon province, there there 4 moving-lines destined to Chuncheon, Weonju, Gangneung and Jecheon as their assembly points respectively. There were three levels of markets; one was collecting point that attracted the cattle directly from farm house and the other was sub-assembly point at which the moving-lines from collecting points met and the rest was assembly point on which the cattle centered from sub-assembly points. There were still another type of markets that connected sub-assembly point and assembly point which was understood by the name of passing market. In the region where major moving-lines met, the assembly point become bigger, forming a concentrating market. Some sub-assembly points which were located within a short distance from Seoul, the central consummer`s market, functioned as assembly points, directly shipping the cattle to Seoul. 4. As mentioned above, the cattle from individual farm go at the first level to the collecting point, and from there they move along the cattle-moving line toward the sub-assembly point, and then as the third move they are shipped to the assembly point. All assembly points are virtually connected to the final central market, Seoul.
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한우시장의 구조와 가격분석에 관한 연구 ( 강원지역을 중심으로 ) 제2보 소의 유통구조와 우상인에 관한 연구
이해종 ( Hae Jong Rhee ) 한국축산학회 1975 한국축산학회지 Vol.17 No.4
The structure of cattle circulation and the involved cattle dealers were investigated in relation with cattle markets of Kangwon province. The results are summarized as follows: 1. There were two kinds of circulation; one was the circulation of slaughtering cattle for butchers and the other was the circulation of farming cattle. The slaughtering cattle produced from farm house was succesively transferred through collecting dealers, traveling dealers and Seoul-bound dealers to the butcherers of Seoul, and the local consumption followed the same pattern, i.e., collecting dealers-traveling dealers-butchers of local town. It was seldom that the cattle was not dealt through collecting dealer or traveling dealer. The farming cattle was produced from farm house, and collected by collecting dealers and was restored to farm house in mountainous district directly from sub-assembly point, or restored to farm house in rice producing region through traveling dealers who drove the cattle to the assembly point. It was seldom that the cattle was restored to farm house without being dealt through collecting dealers and traveling dealers. The cattle restored to faun house in mountainous district was mostly cow, but the cattle restored to the low land farm house in rice producing region was bull. 2. The first level cattle dealer was the collecting dealer who collected cattle either from farm house or collecting point and shipped to sub-assembly point. There were three types of dealer; the first type was fixed collector from his own village or neighbor village, the second type was circuiting collector who moved around a certain sub-assembly points to collect cattle from collecting point, and the third type was contracted collector who worked under the contraction with Seoul-bound dealers or local butcherers, The cattle dealt through these collectors reached 80% of the total traded heads in sub-assembly points. 3. There was a mediator who intermediated the cattle dealing in the cattle market. Among these intermediating dealers there were 3 types of dealing channel; the one is that bought and sold the cattle at the same cattle market, the other that deposited contract money beforehand to pay the balance later when the cattle was purchased, and another one that conducted only mediation and took commission. These intermediating dealers were converted into collecting dealer when the farmers who was blind to market information sold the cattle under the mediation of collecting dealers, but as the farmers became more sophiscated in market information, the intermediating dealer gradually dismissed away. 4. The second level cattle dealer was the traveling dealer who shipped cattle from sub-assembly point which was destination of collecting dealers to assembly point as these traveling dealers always moved back and forth between sub-assembly point and assembly point dealing and shipping cattle, a steady moving-line was formed to be connected over to Seoul which is central consuming point. These traveling dealers lived around the biggest market located in the itinerary section. Each of them bought 1 to 2 heads per deal to travel with the cattle to their destination. The drover did not ship more than 10 heads at one time and received 500 to 600 won per cow for traveling 40㎞. 5. The third level cattle dealer was the Seoul-bound dealer who carried slaughtering cattle of assembly point to Seoul which is central consuming market. The Seoul-bound dealers in collaboration with 2 to 3 other dealers, carried the cattle by making use of truck or train. Recently, Seoul-bound dealers carried the slaughtering cattle not only from assembly point but also from sub-assembly point. When Seoul-bound dealers went to market, they tended to buy cattle at high price giving an impetus to the cattle price of town market to soar up, resulting in narrowing down the price gap between town and central consuming market. 6. There were butcherers who supplied beef to each town. Butc
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한우시장의 구조와 가격분석에 관한 연구 ( 강원지역을 중심으로 ) 제4보 거래되는 사람과 소값에 관한 연구
이해종 ( Hae Jong Rhee ) 한국축산학회 1976 한국축산학회지 Vol.18 No.6
The cattle price in a cattle market is determined by several factors. The investigation was carried out from August 1, 1969 to September 30, 1969 to know how the cattle price fluctuate in a particular cattle market during a particular period. The results obtained were summarized as follows: 1. Farmer bought cattle at higher price in accordance as the cattle`s age was small; they bought cattle at higher price than they sold. There was little price difference between buying and selling in the stratum of 300-400㎏., but they bought the cattle at lower price than the selling price for the cattle weighing above 400㎏.. The old cattle that weighed over 400㎏. was purchased sold by farmers. 2. When cattle dealers(collecting and traveling dealers.) sold and bought cattle, generally the selling price was higher than the purchasing price. In the cattle weighing from 200 to 300㎏., they were sold higher than the purchasing price and the cattle that weighed over 400㎏. was sold at the highest price. 3. When the cattle market, cattle dealer(collecting and traveling dealers) sold the cattle usually at higher price than the farmers, and the cattle weighing from 200-400㎏. were sold at higher price by cattle dealers than by farmers. Among these, calf that weighed under 100㎏. was sold at the highest price. 4. When farmers purchased the cattle they priced cattle higher than dealers did, except for cattle weighing over 400㎏. Mainly, for the cattle that weighed 300-400㎏. or less farmers priced higher than dealers, but for the cattle that weighed over 400㎏., they priced cattle lower than the cattle dealers. 5. In the dealing between farmers and cattle dealers(collecting and traveling dealers), when farmers purchased cattle from the latter, the price is usually higher than they sold them to dealers. As the farmers wanted the less aged cattle, they bought calf always at higher price than they sold them. But for older cattle which were not in demand, the farmer purchased at lower price than the time of selling them. 6. Seoul-bound dealers usually purchased cattle at lower price than the local butchering dealers except for large weight cattle for which the local dealers priced higher than the Seoul-bound dealers. 7. It was found out in connection with the question of which group of dealers priced cattle higher than other group that the traveling dealers group usually purchased at the lowest price and the group which purchased the cattle weighing more than 300㎏. at the highest price were the Seoul-bound dealers and local butchering dealers coming next. For the cattle weighing less than 300㎏., the group which priced the highest was farmers. 8. In the deal transacted by farmers, for the calves below 100㎏. body weight, the biggest return came from the selling to the traveling dealer; for the cattle weighing 700-300㎏. the highest pricing was made by farmers, and for adult cattle weighing 300-400㎏., the Seoul-hound dealers offered the highest price; lastly for those weighing over 400㎏., the local butchering dealers priced most. Generally, however, the traveling dealers offered the lowest price. 9. When the cattle dealers(collecting and traveling dealers) sold cattle, for those below 300㎏. body weight, the price was high in case of selling to farmers; on the other hand, for the cattle over 300㎏. body weight, the highest price was offered by the Seoul-bound dealers followed by the local butchering dealers. Generally when selling to the cattle dealers(traveling dealer), the cattle were priced the lowest.
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한우시장의 구조와 가격분석에 관한 연구 - 강원지역을 중심으로 - 제6보 우육가격과 소값에 관한 연구
이해종 ( Hae Jong Rhee ) 한국축산학회 1977 한국축산학회지 Vol.19 No.4
The beef price and cattle price to be observed in the process from cattle to meat were investigated and analized with the following results: 1. Beef price was steadily controlled by the trade union while the cattle prise was subject to severe fluctuation. Consequently, in propertion to the scale of gap between the cattle price and meat price the butcher`s profit increased as much and the farmer`s loss also increased as much. therefore stabilization of cattle price and improvement of butchering system were strongly called for to secure the farmers` income increase. 2. In the process of cattle into meat, butcher`s profit was comparatively small during the 4 months from February to May, while it was large during the 7 months from June to December and January. 3. More than 80% of beef was consumed in cities with ever more increasing trend. So it was necessary to stabilize and maintain higher cattle price for the reduction of income gap between urban and rural areas as well as to secure the farmers` income. 4. The rearing and fattening of cattle must be co-ordinated in the seasonal demand of meat supply, as the meat demand varied according to seasons. 5. They early average price of adult bull had been 98% of adult cow price about 2% cheaper than the cow`s. But as the cow slaughtering was strictly prohibited, the adult cow price had declined rather to 92% of adult bull price, about 8% cheaper than the bull`s resulting in about 10%, so adult bull, it showed to tendency about 10% as compared with the price lower price of cow than at ordinary times. Therefore, if the prohibition of cow slaughtering proceeds further, the number of adult bull cattle to be slaughtered will sharply decrease while the number of unusable old cow will excessively increase, resulting in the felt price hike of adult bulls and the unreasonable price fall of adult cows.
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