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Maneuvering character of hull form renovated tuna purse seiner (선형개조 선망선의 조종성능)

  • Hong, Jin-Keun;Kang, Il-Kwon;Jeong, Seong-Jae
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.51 no.1
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    • pp.61-70
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    • 2015
  • In an attempt to improve the maneuvering character of hull form renovated tuna purse seiner. A renovation was carried out on the 3 tuna purse seiner fishing vessel. To grasp the progress of maneuvering and resistance on ship B (730 ton class), new bulbous bow was only attached. The ship A (740 ton class) and C (600 ton class) were modified for new bulbous bow, enlarged slipway and rudder. And then the zigzag and the turning test were carried out. According to the turning test, the advance and the tactical diameter were improved very much for the modified ship. The sea trial was carried out for the original and modified ship A. It is showed that the results of sea trial corresponded with that of the tank test on the whole. In the result of the zigzag test on ship B, the turning ability was improved very much, but the yaw checking ability was deteriorated in just some degree. In the result of the zigzag test on ship C, the turning ability and yaw checking ability were remarkably improved. Ship C was greatly improved among the three ships for the maneuvering character of modified hull form.

A Historical Study of Cooperative Learning for Mathematics (수학 협동학습의 역사적 고찰)

  • Lee Joong Kwoen
    • Journal for History of Mathematics
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    • v.18 no.2
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    • pp.55-74
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    • 2005
  • This research studied loaming model for the purpose of renovation of mathematics teaching methods. Especially, this research classified the types of cooperative teaming, the theoretical background for cooperative learning, the need of cooperative learning in school mathematics, and the differences between cooperative teaming and traditional small group learning. This research also suggested special features of cooperative learning and various types of cooperative learning models. The main types of cooperative loaming which this research supported are TAI(Team-Assisted Individualization, JIGSAW cooperative loaming, JIGSAW II cooperative teaming, JIGSAW III cooperative teaming, STAD(Student Team-Achievement division) cooperative learning, and TGT (Teams - Games - Tournament).

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A study on management efficiency for the Hotel & Restaurant Banquet Service. (호텔레스토랑의 메뉴선택요인에 대한 실증적 연구 (이태리레스토랑을 중심으로))

  • 류경민
    • Culinary science and hospitality research
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    • v.6 no.2
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    • pp.227-246
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    • 2000
  • A few years ago, hotel service was not usual to the people very much but it's normally usual only for the higher-grade people. However now a days, it's expected that hotel service is universal one with changing of life style. It's rising to use hotel with being on the increasing of the international alternating so that the banquet service can be expected as the much more important service point of hotel. At the same time there are much more chances to participate in the personal parties and meetings. That means the demand is increasing than before. So every hotels are trying to promote the quality of the service, make renovation and suggest the specially distinguished service in comparison with the other hotels so as to get the banquet customers. Actually the sales amount from the banquet in the hotel can be said the biggest one in these days. That's why we cannot help thinking it the very important point at the hotel service. So we would 1ike to suggest the best way of managing hotel banquet service more efficiency and would like to find out how we can serve the higher quality service to the banquet customers in order them to make feel more satisfactory.

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Analysis of Trends of Traditional Markets in Changwon (창원시 재래시장의 실태 분석)

  • Park, Yeung-kurn;Kim, Pan-Jun
    • Journal of Global Scholars of Marketing Science
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    • v.7
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    • pp.1-23
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    • 2001
  • Two of most important industries in Changwon, the distribution industry and the construction industry have been threatened by the recent economic downturn. Rehabilitating plans for traditional markets tend to focus on renovation of facilities rather than on the managerial solution. Traditional market plays vital roles as a social safety net and a source of development of regional economy. Modernization of facilities and differentiation of business areas are two most important issues for the revitalization of the traditional market. Traditional markets should adopt a strategy which can make a difference in characteristics of the market, regional culture, regional industry and consumer behavior of the region. Purposes of this study are: first, to understand characteristics of traditional markets in Changwon, second, to draw implications for administrative and financial supports for traditional markets in Changwon.

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Rehabilitating and Supporting Strategy for Traditional Market in Changwon (창원지역 재래시장 활성화와 지원방안)

  • Song, Boo-Yong;Kwon, Sung-Oh
    • Journal of Global Scholars of Marketing Science
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    • v.7
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    • pp.25-53
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    • 2001
  • Two of most important industries in Changwon, the distribution industry and the construction industry have been threatened by the recent economic downturn. Rehabilitating plans for traditional markets tend to focus on renovation of facilities rather than on the managerial solution. Traditional market plays vital roles as a social safety net and a source of development of regional economy. Modernization of facilities and differentiation of business areas are two most important issues for the revitalization of the traditional market. Traditional markets should adopt a strategy which can make a difference in characteristics of the market, regional culture, regional industry and consumer behavior of the region. Purposes of this study are: first, to understand characteristics of traditional markets in Changwon, second, to draw implications for administrative and financial supports for traditional markets in Changwon.

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Transmission Aspect of Methicillin-resistant Staphylococcus aureus in the Neurosurgical Intensive Care Unit by Analysing Genotype (유전자형 분석에 의한 신경외과 중환자실의 메티실린 내성 황색포도알균의 전파양상)

  • Kim, Yun-Kyung;Hong, Hae-Sook
    • Journal of Korean Academy of Nursing
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    • v.37 no.6
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    • pp.976-985
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    • 2007
  • Purpose: The aim of this study was to identify the present situation of hospital infection and route of infection by clarifying the transmission aspect of methicillin-resistant Staphylococcus aureus(MRSA) in a Neurosurgical Intensive Care Unit by analysing genotype. Methods: MRSA was cultured from twenty five patients with a tracheostomy, twenty five health care workers, and environments in the Neurosurgical Intensive Care Unit of one hospital in D city. Data was collected from December 21, 2004 to November 5, 2005. MRSA isolates representing each genotype were analyzed by spaA typing and a multiplex PCR method capable of identifying the structural type of the staphylococcal cassette chromosome mec(SCCmec) carried by the bacteria. Results: As the same genotype and gene sequence were found among health care workers, patients, and environments, it was assumed that there was cross transmission among them. Conclusion: This study suggests that first, as the hospital infection by MRSA between health care workers and patients in the Neurosurgical Intensive Care Unit was due to result of cross transmission and the relevance of transmission between them was verified, it is necessary to take preventive measures and conduct education. Secondly, development of nursing interventions and study of infection are needed. Thirdly, consistent investment in prevention against hospital infections and environmental renovation is needed.

A Study on the Activation and Safety Management of Construction Remodeling (건축물 리모델링의 활성화 및 안전관리방안에 관한 연구)

  • Yang, Keek-Young;Kim, Chun-Hag;Yoon, Yer-Wan
    • Journal of the Korea Institute of Building Construction
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    • v.2 no.2
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    • pp.134-143
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    • 2002
  • The purposes of this research are to use the buildings efficiently and long, save energies, make the cozy and comfortable environment of residential and living spaces, rearrange the related acts for easy implementation of remodeling, and activate the government's support programs so as to make remodeling activated in a safe mode. The scope and methodology of this research include the review of existing literatures and data on remodeling, census on apartment residents, influence factors, and the development of methods for activation of building remodeling and strengthening of safety management, like activation measures, licensing and ordering regulation updates, etc regarding the remodeling. Safety inspection and in-depth inspection before and after remodeling should be regulated. The construction materials for remodeling should be light weighted and the construction methods which can minimize the impact and vibration during construction should be selected. The improvement of regulation on the remodeling contractor qualification and order method should be updated. If the remodeling is activated and safety management is reinforced by the suggested measures, solving of lack of house, prevention of abuse of resources, and improvement of residential environment could be accomplished rationally.

The Types and Aesthetic Characteristics in the Sportism Expressed in Modern Fashion (현대(現代)패션에 나타난 스포티즘의 유형(類型)과 미적(美的) 특성(特性))

  • Choi, Kyung-Hee
    • Journal of Fashion Business
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    • v.8 no.1
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    • pp.91-106
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    • 2004
  • This study focuses on the sportism expressed in the modern fashion. Many factors attribute to the advent of sportism such as rapid development and cultural changes toward sports, increase in leisure time, new fashion materials resulting from new technologies, youth culture and postmodernism. Designers gazing into the future are inspired by the details and functionality of clothing for snow boarding, skiing, rock-climbing and fitness. While the sportswear is the term whith stemmed from the need for functionally in sports, the Sportism is the style inspired by the formative elements, that is, the details, the silhouette, and the colors of the sportswear. New technologies for sports, the powerful influence of youthful culture, and the celebritizations of the sports stars made the sports look more popular. It can be categorized into three aesthetic values, i.e., the functional sportism, the street sportism, and the futuristic sportism. The functional sportism is expressed with the details of function, simplicity, and no useless ornament, the street sportism with fun, androgynous and unisex mode and the image of hip-hop look and traditional look, the futuristic sportism with new high tech fabrics and cyber style. The characters of these are a sence of unisex, sensualness, ostentation, renovation.

Effect of Herbicide Treatments on the Forage Yield and Nutrient Productivity in Rumex crispus Dominated Pasture (제초제 처리가 소리쟁이 ( Rumex crispus ) 우점초지의 수량 및 양분생산성에 미치는 영향)

  • 박근제;김영진;이종경;김맹중;윤세형
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.17 no.2
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    • pp.150-156
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    • 1997
  • This study was carried out to investigate the effects of herbicide treatment on the forage yield, nutrient productivity, weed control and persistency in the Rumex crispus dominated pasture in Suwon and in Youngam kom June, 1993 to October, 1995, respectively. It was arranged as a randomized block design with five treatments : 1. reseeding at middle August, 2. dicamba 2liter /ha+reseeding at early July, 3. dicamba 24liter ha+reseeding at middle August, 4.dicamba 2lliter /ha+reseeding at early July +dicamba 14 /ha and 5.dicamba 24liter /ha +reseeding at middle August +dicamba 1liter/ha. In the Rumex crispus dominated pasture, the treatments of dicamba 2liter ha+reseeding(early July or middle August)+dicarnba 1liter/ha were controlled 77-92% of the weed, and increased 105- 141% of forage yield and were higher 88-141% of energy (TDN and NEL) productivity compared with reseeding at middle August (control), respectively. The results indicated that herbicide treatment was effective for the control of Rumex crisps and renovation of grassland, and higher forage yield could be obtained by twice applications of dicamba.

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A Study on Improvement Effect of voice information transmission using Auralization at the hydraulic turbine dynamo room in Dam (가청화를 이용한 댐 수차 발전기실의 음성정보전달 개선효과에 관한 연구)

  • Kook, Joung-Hun;Ju, Duck-Hoon;Jung, Eun-Jung;Kim, Jae-Soo
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2007.11a
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    • pp.263-267
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    • 2007
  • Even though Waterpower Generation as pollution-free has its own merit of contribution by supply of good quality electricity, due to the noise made at the time of its operation, a normal mutual communication among the workers and technicians engaging at the hydraulic turbine dynamo room is almost impossible, and since those finishing materials had been used mainly by reflection material, it is actual situation that when working for maintenance in the hydraulic turbine dynamo room, as counterpart's voice vibrates, its working efficiency is difficult to ensure. On such view point, this Research has conducted Psycho-acoustics Experiment about voice Definition using Auralizational Technique, on the object for the hydraulic turbine dynamo room that improved its acoustic performance by computer simulation. As the result of Study, it was known that the clearness of sound with regard to voice information transmission was apparently improved in all items than before improvement. Therefore, it is considering that these results would be utilized usefully when renovation on the hydraulic turbine dynamo room in the future.

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