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Development of 115K Tanker Design Adopted Ice Class 1A (Baltic Ice Class IA를 적용한 115K Ice Tanker 개발)

  • Kim, Hyun-Soo;Ha, Mun-Keun;Baek, Myeong-Chul;Kim, Soo-Young;Park, Jong-Woo;Chun, Ho-Hwan
    • Journal of the Society of Naval Architects of Korea
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    • v.41 no.6
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    • pp.120-125
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    • 2004
  • There are very few numbers of 115K FPP (Fixed Pitch Propulsion) Tankers for the Baltic ice class IA because the minimum power requirement of FMA (Finish- Swedish Maritime Association) needs quite large engine power and the 40 m Beam is out of calculation range of FMA minimum power requirements. The shipyard has no choice except to increase the engine power to satisfy FMA minimum power requirement Rule. And the operation cost, efficiency of hullform and its building cost are not good from the ship owners' point of view To solve this problem, the experience of ice breaking tanker development and the ice tank test results were adopted. The main idea to reduce the ice resistance is by reducing waterline angle at design load waterline. The reason behind the main idea is to reduce the ice-clearing force. Two hull forms were developed to satisfy Baltic Ice class IA. Two ice tank tests and one towing tank test was performed at MARC (Kvaener-Masa Arctic Research Center) and SSMB (Samsung Ship Model Basin) facilities, respectively. The purpose of these tests was to verify the performance in ice and open water respectively The hull form 2 shows less speed loss compared to Hull form 1 in open water operation but hull form 2 shows very good ice clearing ability. finally the Hull Form 2 satisfying Baltic ice class IA. The merit of this hull form is to use the same engine capacity and no major design changes in hull form and other related designs But the hull structure has to be changed according to the ice class grade. The difference in two hull form development methods, ice model test methods and analysis methods of ice model test will be described in this paper.

Teaching English to Speakers of Other Languages

  • Koroloff, Carolyn
    • English Language & Literature Teaching
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    • no.5
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    • pp.49-62
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    • 1999
  • Education systems throughout the world encourage their students to learn languages other than their native one. In Australia, our Education Boards provide students with the opportunity to learn European and Asian languages. French, German, Chinese and Japanese are the most popular languages studied in elementary and high schools. This choice is a reflection of Australias European heritage and its geographical position near Asia. In most non-English speaking countries, English is the foreign language most readily available to students. In Korea, the English language is actively promoted by the Education Department and, in less official ways, by companies and the public. It is impossible to be anywhere in Korea without seeing the English language alongside or intermingled with Korean. When I ask students why they are learning English, I receive answers that include the word globalization and the importance of English throughout the world. When I press further and ask why they personally are learning English, the students mention passing exams, usually high school tests or TOEIC, and the necessity of passing the latter to obtain a good job. Seldom do I ever hear anything about communication: about the desire to talk with other people in English, to read novels or poetry in English, to understand movies or pop-songs in English, to chat on the Internet in English, to search for information on the Internet in English, or to email pen-pals in English. Yet isnt communication the only valid reason for learning a language? We learn our native language to communicate with those around us. Shouldnt we set the same goal for learning a foreign language? In my opinion communication, whether it is reading and writing or speaking and listening, must be central to language learning. Learning a language to pass examinations is meaningless unless those examinations are a reliable indicator of the ability of the student to communicate. In previous eras, most communication in a foreign language was through reading novels or formal letters. This required a thorough knowledge of grammar and a large vocabulary. Todays communication is much less formal. Telephone conversations, tele-conferences, faxes and emails allow people to communicate regularly and informally. Reading materials are also less formal as popular novels and newspapers are available world-wide. Movies and popular songs have added to the range of informal communication available. Finally travel has ensured that people from different cultures will meet easily and regularly. This informal communication requires less emphasis on grammar and vocabulary and more emphasis on comprehension and confidence to speak. Placing communication central to language learning has important implications for the Education system and for teachers.

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Factors Affecting the Satisfaction Level of Orthodontic Patients with Dental Service (교정환자의 치과의료서비스 만족도에 영향을 미치는 요인)

  • Lee, Ka-Yean
    • Journal of dental hygiene science
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    • v.9 no.1
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    • pp.1-8
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    • 2009
  • The purpose of this study was to examine the satisfaction level of orthodontic patients with medical service in a bid to provide information on the diverse needs of orthodontic patients and the improvement of the competitiveness of dental institutions. The subjects in this study were 226 orthodontic patients who visited Y and B dentist's offices respectively located in Busan and Daegu. A survey was conducted from December 3 to 20, 2008, and SPSSWIN 14.0 program was utilized to analyze the collected data. The findings of the study were as follows: 1. As to the reason why they chose the dentist's offices, the greatest group made that choice through the recommendation of people around them(50.7%). Approximately half them(47.8%) tended to talk about grievances when they had any, and the greatest group(58.3%) expected to have a regular set of teeth when they received orthodontic treatment (58.3%). And the largest group(80.9%) expected that treatment to improve their oral health a lot. The greatest group(70.6%) wanted to receive whitening treatment after completing orthodontic treatment. 2. As to factors significantly affecting their satisfaction level with treatment service, satisfaction level with the employees(dental hygienists) had the most significant impact, followed by satisfaction with amenities, medical fee, dentists and friendliness. 3. Their satisfaction level with medical fee exerted the most influence on intention of Recommendation offices they visited to others, followed by satisfaction with dentists and employees(dental hygienists).

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A Comparative Experimental Study on the Vital signs, Crying Fluid Intake and Excretion of the Full-term newborn Infant kept in the Prone or Lateral Position (복위 및 측위에 따른 신생아의 활력증상, 울음회수, 수유량 및 배설횟수의 비교연구)

  • 한경자
    • Journal of Korean Academy of Nursing
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    • v.5 no.1
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    • pp.133-143
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    • 1975
  • Most of mothers place their babies in either supine or prone position without change of position. Studies comparing supine and prone position of the newborn infants -have already been performed with the result that the prone position is relatively better than the supine position. However, one kind of position recommended to the mothers is not sufficient for the good rearing practice of children, because the same position placed for period long of time may bring out physical, mental tension and fatigue, and deformities of the skull and the thorax. For this reason nurses have to find out other position which has identical or more advantages than prone position so as to perform the position change for the babies. Main purpose of this study is to identify the differences of vital signs, the number of urination, defecation, diaper rash, crying and amount of feeding of the newborn infants with prone position or lateral position during the first three days of life. Sixty two newborn infants who were delivered at Seoul National University Hospital during the period from July 1 to September 5, 1974 were chosen as subjects for this study. The criteria for the choice of subjects were the babies born with vaginal delivery; body weight 2.5kg or over at birth; Apgar score Seven or over; and gestation period between thirty-eight months ana forty- two months. Of these subjects, by random sampling, thirty-one newborn infants were placed in the prone position and the other thirty-one in the lateral position. The results of this study reviewed in a statistical analysis of the t-test to obtain the following findings : 1. The heart rates of babies in the prone position were the mean heart rates of 135.03 and those in the lateral position 135.98 without any statistically significant difference. 2. There was no significant difference of respiration rate between two groups : a group in the prone position showed the mean respiration rates of 45,57 and the other in the lateral position 46.49. 3. There was no significant difference of body temperature between two groups: the mean body temperature of a group placed in the prone position was 9818'F(3677'C) and that of the other group 9820'F(3678'C). 4. One baby showed diaper rash only in a group of infants in the prone position. 5. The number of crying of the babies in the prone position were 23.70 and those in the lateral position 30.00 with a statistical difference at 5 percent level. 6, There was no difference of frequency of urination between two groups: the mean frequency of a group placed in tile prone position was 5.44 and that of the other group 5.06, 7. There was no significant difference of frequency of defecation between two groups : the mean frequency of a group placed in the prone position was 4.20 and that of tile other group 4.21, 8. There was no significant difference of feeding amount between two groups : the average amount of a group in the prone position showed 325.03 and that of the other group in the lateral position 291.51. All the above results mean that we may substitute tile lateral position for the Prone position or utilize both position for tile rearing practice of the babies.

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A Study for Relationship Between the Femininity and the Nursing Image of Nursing Students (일부 간호학생의 여성성과 간호상과의 상관관계)

  • 성현란
    • Journal of Korean Academy of Nursing
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    • v.8 no.2
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    • pp.39-49
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    • 1978
  • The present research set out to further validate the results that Stromborg (1976) obtained in which a correlation (r= .22, p < .001) was found between the femininity of woman nursing students and their image of nursing. In addition the experimenter set out to elucidate any possible differences in the image of nursing according to (a) religion, (b) the motivation for choosing nursing as well as, (c) the particular area in which the students hoped to work after graduating. The research was conducted by presenting questionnaire type scales including a femininity scale and a nursing image scale, to 301 graduating students attending 4 Three-year nursing schools located within Seoul from November 21st, 1978 to November 30th. The results: 1. There was clearly no relation between femininity and the image of nursing as such (r= .01, p > .43). But upon analyzing the results along five subdimensions of the nursing image variable it was discovered that : (a) if femininity is low, the nursing student tend to view the educational preparation for becoming a nurse in a more positive light (r= -.10, p < .05), and (b) if femininity is high, the students tend to perceive their social role with a positive frame of mind (r= .15, p < .005). 2. There was a significant difference found in the image of nursing as related to the religion of the nursing students, The means ranked as follows (high scores indicate a positive image of the nursing profession). Catholic > Protestant > no religion > Buddhist 3, The difference in the nursing image according to motivation for sellecting the profession emerged as quite significant (F=6.92, p < .001). The rank of the means when the subject group is divided along the dimension of motive is as follows (ranking begins with the most positive nursing image): (a) The profession itself seemed good; (b) after marriage one can do a social type of activity; (c) significant others’advice: (d) the profession matches their high school grade record; (e) it matches the economic situation of the student; (f)no particular reason for their choice: (g) it's easy to get a nursing job after graduation. 4. The particular area of nursing one intended to go into after graduation varied significantly in terms of the image of nursing (F=3.03, p < .005). The means when ranked starting with those having the most positive image of the profession: (a) nurses helping deliveries; (b) hospital nurses: (c) nursing education; (d) school nurses: (e) government nurse supervisors: (f)public health nurses: (g) (students not going into any profession); (h) (students not going into the nursing profession but into some other area).

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The Special Plan of the Traffic Accident Treatment in the Emergency Car Concerning Fire Fighting (소방관련 긴급자동차의 교통사고처리 특례방안)

  • Jeng, Gi-Sung
    • Fire Science and Engineering
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    • v.22 no.2
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    • pp.20-29
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    • 2008
  • The traffic accident of Fire engine takes place very much, compared with that of the past. The reason is that there is a lot of the increase of the demand in the fire, rescue, first aid, and the public request. Also, because the Fire engine should go out at the place of the accident very quickly, it should inevitably violate the traffic regulations. Therefore, this is due to the traffic accident. Despite the urgent situation in the infringement motive of traffic regulations, the outbreak of the traffic accident does not vary largely from the degree of the disadvantage. Accordingly, a fire officer should take charge of his social and economic disadvantage by himself. In this situation, a fire officer has no choice but to start moving passively not to be afflicted with his own disadvantage. Most of the situations concerning the fire fighting are the ones to be controlled urgently. Nevertheless, because of the disadvantage of the traffic accident, passive mobilization of the fire fighting equipment is the heavy burden of all the people of the nation. Therefore, Special institutional safety device should be ready for the protection of the life and property of all people. The special law concerning the processing in the accident of the emergency car needs to be revised. By establishing this special law, the government should not provide the officer who drives the fire engine with the disadvantage caused by traffic accident.

A Study of Theory and Form of Storytelling User Interface - Establishing Theory by Study of the Game Interface - (스토리텔링 유저인터페이스의 이론과 형태연구 - 게임인터페이스 연구를 통한 이론 정립 -)

  • Lee, Dae-Young;Sung, Jung-Hawn
    • Journal of Korea Game Society
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    • v.8 no.3
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    • pp.43-50
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    • 2008
  • UI design is growing in meaning and form itself through the development of hardware and contents. And it makes users accept its interface as a extension of the body and mind because of the substantial rapport of the user and contents with developing of device and graphic. In this study, we analyzed user interface in a view of digital storytelling by observing of its role within user and contents. Not only this, classifying and investigating story elements in the games for forming the theoretical basis of storytelling UI are enforced. For the case study of UI, we choose the game, Diablo, Half-Life, and Homeworld because the game is suitable for the application of node-type storytelling and effectively uses graphic and input unit. This analysis explains the interface has the contents data that divided or shared and it means the interface performs its part of story nodes, which are extracted from the story, and choice. And we analogized that the story elemental can be substituted and used practically for interface because the stories made through the thing that users and developers are in the space of coexistence by the interface. Storytelling UI will be a good way to make a most intriguing piece as a joyful spontaneous complex that use story node. It is worth by reason of making by user and discovering live inner story so that it can approach to the substance of the story.

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Strategies for Development of Cultural Products Design for Promotion of Cultural Tourism Festivals - Focusing on utilization of local cultural resources - (문화관광축제 활성화를 위한 문화상품 디자인 개발 전략 연구(제 1보) - 지역문화자원 활용을 중심으로 -)

  • Chung, Kyung-Hee;Lee, Mi-Sook
    • Journal of the Korean Society of Costume
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    • v.59 no.7
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    • pp.17-33
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    • 2009
  • The purpose of this study was to get some pieces of prior information to eventually develop high value-added fashion cultural products design using local cultural resources, to promote the cultural tourism festival. For this purpose, this study is carried out the investigation of cultural product stores and visitors' questionnaire survey. The subjects of this study were festivals which were selected as cultural tourism festival by the Ministry of Culture, Sports and Tourism from 2000 to 2008. Of them, six festivals were finally selected but food festival was excluded. The results of this study were as follows; First, the store survey was conduced to analyze the situation of the products of cultural tourism festival. The most frequent product was accessories. And a T-shirt was found to be sold every festival probably because it was the most popular item and basic item which people could buy without burden. While the most diverse kinds of products were found in the Andong, the Jinju and Gangjin were found not to develop various products. In the design motif used for cultural products, most products did not use festival or local image. The highest use of the festival and local image was found in Gangjin and Muju. The Andong and Chungju were found to sell very common products buying anywhere rather than products using local cultural resources or image. In the material of cultural products, most products use metal. And In the price of cultural products, 10,000-30,000 won was found highest. Second, the purchase conditions of cultural tourism festival visitors were examined. The visiting goal and companion of visitors was found to vary with the type of cultural tourism festival. The types of visitors were also found to have an effect on the choice of items in the purchase of cultural products sold in the festival. Only one third of respondents responded buying one and more cultural products. The purchase rate was found high in the festival where cultural product items were various and there were many products symbolizing festival or region. The most purchased item was a mobile phone hanger and the amount of purchasing cultural products was 10,000-30,000 won. The reason not to purchase cultural products was dissatisfaction with utility, originality, possibility of a present, symbolism, and price. The most important attribute in the purchase of cultural products was design, followed by symbolism, price, originality, and innovation. The highly preferred product group included clothing, miscellaneous goods, and accessories. Specifically, T-shirt was found highest. Based on these research results, it was found that the design strategy for the cultural products development should consider both regional and festival images. The items and designs of the cultural products should reflect visitors' characteristics and the price zone should be varied.

Food Materials for School Foodservices on High-quality Products, Local Products and Fresh-cut Products - Dietitian's Choice in Elementary, Middle and High Schools in Gyeong-gi Province - (학교급식 식재료로서 지역 농산물, 고품질농산물과 신선편이 채소의 이용현황과 필요에 관한 연구 - 경기지역 초.중.고등학교를 중심으로 -)

  • Kang, Heui-Yun;Jung, Eun-Hee;Rhie, Seung-Gyo
    • The Korean Journal of Community Living Science
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    • v.20 no.3
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    • pp.397-411
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    • 2009
  • The use of local product foods and fresh-cut products, the dietitian's recognition, the required items and the quality for school foodservice was investigated to increase the consumption of high-quality agricultural products. Data from 578 elementary schools, 228 middle schools and 116 high schools were collected by school foodservice personnels in each regional Education Administration in Gyeong-gi province. The first criteria of buying food materials was reliability/safety for all school foodservice. The second criteria were the origin of the product and freshness/ripeness for elementary and middle schools and high school, respectively. The most important consideration for selecting a supplier was the quality of the material. The appearance/status of the food was the first factor for buying food materials. The origin and the seasonality were very important for buying farm products. Dietitians in Gyeong-gi province recognized the local products, and used them weekly. The advantages of using local products were the quick supply, freshness and safety. On the other hand, the disadvantages were the lack of information and the uncertainty of supply. Sixty eight percent of the subjects had experienced the high-quality agricultural products in school meals, but the frequency was low. The main reasons for not servicing high-quality agricultural products were the high cost and the lack of trust on the quality. Among fresh-cut products, seasonings and root vegetables were purchased most frequently, but leaf vegetables was 5.7% only. The purchase of fresh-cut products was not frequent, but usually satisfied. The advantages of fresh-cut products were the reduced workload and waste, but the reason for not using them were poor hygiene and the high price. The diverse supply system and the promotion of the local product foods would be necessary since the most food materials were purchased through suppliers. In addition, the problems related to the high cost and distrust should be resolved to expand the consumption of the high-quality agricultural products and the fresh-cut vegetables. The institutions for certifying the quality should be needed to increase the confidence of these products.

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3-Level Response Surface Design by Using Expanded Spherical Experimental Region (확장된 구형설계를 이용한 반응표면설계)

  • Kim, Ha-Yan;Lee, Woo-Sun
    • The Korean Journal of Applied Statistics
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    • v.25 no.1
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    • pp.215-223
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    • 2012
  • Response surface methodology(RSM) is a very useful statistical techniques for improving and optimizing the product process. By this reason, RSM has been utilized extensively in the industrial world, particularly in the circumstances where several product variables potentially influence some quality characteristic of the product. In order to estimate the optimal condition of product variables, an experiment is being conducted defining appropriate experimental region. However, this experimental region can vary with the experimental circumstances and choice of a researcher. Response surface designs can be classified, according to the shape of the experimental region, into spherical and cuboidal. In the spherical case, the design is either rotatable or very near-rotatable. The central composite design(CCD)s widely used in RSM is an example of 5-level and spherical design. The cuboidal CCDs(CCDs with α=1) is appropriate when an experimental region is cuboidal but this design dose not satisfy the rotatability as it is not spherical. Practically, a 3-level spherical design is often required in the industrial world where various level of experiments are not available. Box-Behnken design(BBD)s are a most popular 3-level spherical designs for fitting second-order response surfaces and satisfy the rotatability but the experimental region does not vary with the number of variables. The new experimental design with expanded experimental region can be considered if the predicting response at the extremes are interested. This paper proposes a new 3-level spherical RSM which are constructed to expand the experimental region together with number of product variables.