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Economic Study on Heating load by Balcony Remodeling in use of Energy Simulation Program (에너지 시뮬레이션을 이용한 발코니 개조에 따른 난방부하 경제성 고찰)

  • Kim, Sung-Woo;Park, Sang-Hyun;Lim, Jung-Hee;Kim, Byung-Seon
    • Proceedings of the SAREK Conference
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    • 2006.06a
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    • pp.801-806
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    • 2006
  • Balcony space effects indoor thermal environment. When balcony is extended, problems would be made such as noise, dew condensation, over heating energy, and etc. Extend of balcony increase heating load about 47%. occupants must consider remodeling for their balcony. This paper compare extended balcony with unextended balcony on heating load in use of energy simulation program. According to increase heating load, we expected that building heating cost would be increased by extend balcony. To consider extend balcony, occupants must be funished with better date between healing cost increasing and floor area increasing.

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A Negotiation Method based on Consignor's Agent for Optimal Shipment Cargo (최적 화물 선적을 위한 화주 에이전트 기반의 협상방법론)

  • Kim Hyun-Soo;Choi Hyung-Rim;Park Nam-Kyu;Cho Jae-Hyung
    • Journal of Intelligence and Information Systems
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    • v.12 no.1
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    • pp.75-93
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    • 2006
  • The ship selection by consignors has two steps to carry their cargo. The first step is to select according to time schedule of ships and amount of cargo, and the second one is re-selection by concentrating different consignors' cargo into a unit that can be carried by single ship. Up to now, these steps are usually done by hands leading to inefficiency. The purpose of our paper is to form a logistics chain to minimize the overall sum of logistics cost by selecting ships for consignors' cargo using negotiation methodology between agents. Through concentration and distribution of cargo, maximization of global profit derived from searching optimal point in trade-off between inventory cost and freight rate cost. It is settled by the negotiation between consignors. In the experiments, two methods of the first-step of ship selection: EPDS(Earliest Possible Departure-Date Scheduling) and LPDS(Latest Possible Departure-Date Scheduling) coupled with the second-step ship concentration method using the negotiation were shown. From this, we deduced inventory cost, freight rates and logistics cost according SBF(Scheduling Bundle Factor) and analyzed the result. We found it will minimize the total logistics cost if we use negotiation method with EPDS.

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A Study on PN Phase Modulation Communication System in GPS (GPS 에 있어서의 의사잡음위상변조 통신방식에 대한 연구)

  • 정세모;고광섭
    • Journal of the Korean Institute of Navigation
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    • v.6 no.2
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    • pp.13-33
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    • 1982
  • The NAVSTAR/GPS is a satellite-based navigation system that will provide extremely accurate three-dimensional position and velocity information to users anywhere on or near the earth. This system has been studied primarly for military use and thus the results of studies are seldom obtainable for civilian use up to date. Expecting this system to be opened to civilian use in the future, this paper aims to the collection of basic data of the PN phase modulated communication system adopted in the GPS system by computer simulation. The results of studies are as follows; 1) The PN phase modulation of the speed of 106b/s can be simulated by Fourier summation, the spectrum region which can be restricted is in the region of 0.5-1.5 MHz and spectrum number required is over than 270. 2) By computer simulation, it is verified that optimum r.f filter bandwidth is about 0.3 MHz for the case of $10^6$b/s PN codes phase modulated in 1.575GHz carrier. 3) In case that PN rate to data rate is between 10 and 100, the allowable minimum SNR to demodulate data signal correctly by optimum LPF is about 0.3. It is also verified that the larger the frequency ratio of PN code to the data code, the lower the allowable minimum SNR required.

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A Study on the Development of the Use Index of Closed School Facilities Using Big Data -Focused on Text-Mining Techniques- (빅데이터를 활용한 폐교시설의 지표 개발에 관한 연구 -텍스트마이닝 기법을 중심으로-)

  • Kim, Jae-Young;Lee, Jong-Kuk
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.18 no.2
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    • pp.1-11
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    • 2019
  • The purpose of this study is to make objective decisions in the use of closed schools through the development of utilization indicators for the efficient use of closed schools, which is expected to increase continuously. The research phase was largely carried out by drawing preliminary indicators for use in closed schools, drawing final indicators using big data, and quantifying indicators, and finally objectifying them through quantification. The institution intends to apply and verify the facility based on future indicators. This study has implications for the application of big data analysis methods that have not been attempted in planning and research for the use of closed school facilities to date.

문헌정보학과 WWW홈페이지의 필요성과 준비에 관한 연구- 한국과 북미주 지역 대학을 중심으로 -

  • 박일종
    • Journal of Korean Library and Information Science Society
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    • v.24
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    • pp.413-448
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    • 1996
  • Nowadays, the World Wide Web (WWW) has become an important resource of timely information for the information-related people such as information scientists, librarians, and students in Library and Information Sciences area. They are information professionals who navigate the information on the internet. Also, they need to be information providers who build a WWW homepage. This paper is a study of the necessity, preparation, and building WWW Homepage files for school of Library and Information Sciences in the age of competition among disciplines. It is particularly focused on the colleges and universities in Republic of Korea (ROK) and North America area. The purpose of this study is to provide various kinds of reference information to prepare a homepage in the future as utilizing information on the internet effectively. Even though a Web page was necessary for a school of Library and Information Sciences to show news, and introduce the purpose of the disciplines and the curriculum of the school, and the professors of a class etc., it was not well-prepared yet in ROK. However, a web page was used well enough and prosperous in North America area (Canada, the United States, and Puerto Rico) comparatively. Those web pages were analyzed and studied to prepare for a good designing of homepages for school of Library and Information Sciences in Korea and for the age of competition among disciplines in this paper. Suggestions for designing a good homepage and guidelines for preparing a best one were studied after both reviewing literature and utilizing experiences by the author who currently serves in the School of Library and Information Sciences in Keimyung University and builds homepage for the school. As a result, the major suggestions are ; premiered, and they are as follows: (1) English version of a homepage is necessary, (2) Provide a multimedia presentation about the nature of a school (3) Incorporate a place to let people make suggestions on the contents (of a homepage), (4) Bear in mind that potential users must be familiar with abbreviations you used, (5) Absolutely do not use abbreviations that may make the content more difficult to understand, (6) Add a feature on the every single page that will take the user back to the main page, (7) Use clear, short and well-structured sentences and remember to divide text into paragraphs, (8) Date with a creation or modification date in the homepage to indicate the updated date, (9) Being a multimedia environment, use colors effectively (the guidelines were also suggested), and (10) Put colleges' name into the title of bookmarks to find out them easily.

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An Investigation of Local Naming Issue of Phoenix dactylifera (대추야자나무(Phoenix dactylifera)의 명칭문제 고찰)

  • Kim, Young-Sook
    • Journal of the Korean Institute of Traditional Landscape Architecture
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    • v.36 no.1
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    • pp.34-44
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    • 2018
  • In the Ancient Mesopotamia, Egypt, Judas, Greece, and Rome, Phoenix dactylifera was planted in gardens or orchards to signify life, blessing, and victory. Branches of Phoenix dactylifera, likened to high and precious, were referred to one of the gifts to the king in the second century BC and have been used in the Feast of Tabernacles. And they were engraved on the walls of the temple and along with cherub. Besides, Phoenix dactylifera is compared with a righteous person in the Bible since it grows straight despite strong winds. And, it was used as a symbol of honesty, justice, and right. Churches call the week before Easter Palm Sunday since the crowd laid the leaves of date palm trees on the road and shouted "Hosanna" while waving the date palm branches when Jesus entered Jerusalem. Moreover, pilgrim in the Middle Ages was called 'Palmer' in English due to custom of returning with the leaves and branches of date palm trees as a memorial of the Holy Land pilgrimage. This study analyzes naming issue of Phoenix dactylifera through the old literature and 27 versions of the most influential Bibles in History of Bible Translation in Korea, China, and Japan. Phoenix dactylifera is translated into Chinese as '棕櫚(Trachycarpus fortunei)', a native tree of China. 棕櫚 is similar to Phoenix dactylifera, but its fruit and leaf are quite distinct. This being so, translating Phoenix dactylifera as 棕櫚 has a limit to convey symbolic meaning adequately. In the Japanese Bible, on the other hand, Phoenix dactylifera is translated as 'なつめやし(Natsumeyashi)' meant date palm tree. Most of Protestant Bible in Korea use 'Jongryeo' like Chinese Bible while translation in Korean Catholic Bible(2005) varies from one scripture to another: 'Yaja Namu (Palm Tree)' - 38 times, 'Jongryeo Namu' - 5 times, and 'Daechu Yaja Namu (Date Palm Tree)' - 3 times. Date Palm Tree, 'Jongryeo Tree', and Palm Tree don't grow in Korea. However, they had long been recognized as Haejo(海棗), Jongryeo(?櫚), and Yaja(椰子) respectively through China and Japan. Each of them called by a distinct name correspond with its own characteristic and used separately in Korean Classics as Jongryeo and Haejo were identified in ancient Chinese literatures. It seems that more confusion was raised since 'Palm' was translated as 'Jongryeo' in several books including "?藤和英大辭典 (1915)", "Modern 朝鮮外來語辭典(1938)", and "Latin-Korean Dictionary(1995)". However, the Latin term 'Palmae' is translated into English as either palm tree or date palm. The results of this study suggest that more accurate translation of Phoenix dactylifera in the Bible would be 'Daechu Yaja Namu (Date Palm Tree)' and using different name fit for its own characteristic would be more appropriate.

A Survey on the Consumer's Recognition of Food Labeling in Seoul Area (서울지역 소비자들의 식품표시에 대한 인식도 조사)

  • Choi, Mi-Hee;Youn, Su-Jin;Ahn, Yeong-Sun;Seo, Kab-Jong;Park, Ki-Hwan;Kim, Gun-Hee
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.39 no.10
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    • pp.1555-1564
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    • 2010
  • This study investigated consumer's recognition of food labeling in order to contribute to the development of food labels which are more informative to consumers. The questionnaires had been collected from 120 male and female customers living in Seoul with the age between 10's and 60's from November 2nd to November 7th 2009. For checking the food label at the time of purchase, 58.3% of the consumers checked the food label and the main reason for checking the food label was to confirm sell-by date (60.1%). Sixty percent of the consumers were satisfied with the current food labeling. Among those who are not satisfied, 30.6% complained about difficult terms to understand and 25.8% were dissatisfied with insufficient information. In every age group, most people were not satisfied with labeling on food ingredient and additives, followed by date of manufacture and sell-by date. 53.1% of consumers demanded to label date of manufacture and sell-by date together. For more clear information, consumers wanted use-by date (47.5%) rather than sell-by date (23.3%). 56.7% of consumers was dissatisfied with warning information such as allergic warning and the reasons for dissatisfaction were poor visibility (37.5%) and insufficient information (33.4%). Moreover most consumers (90.0%) showed little knowledge on irradiation. To improve of the food labeling standards into consumer-oriented standards, both amendment of the food labeling standards and consumer education will be necessary.

A Study of the Factor on Behavioral Change of the Psychiatric in-patient (정신과 입원환자의 행동변화에 영향을 주는 요소에 관한 연구)

  • 이소우;김태경
    • Journal of Korean Academy of Nursing
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    • v.14 no.2
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    • pp.84-92
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    • 1984
  • This article examined relationships between selected variables, such as demographic background, care, treatment variables, environmental characteristics, and patient's daily behavior and mood change. Relationship were determined between independent variabltherapeutic-rapeutie approach, demographic data, environmental management approach-,and dependent variable-patient's daily behavioral and mood change. 35 patients selected within some criteria in a psychiatric ward, were obserbed during 5 weeks by use of Wyatt's Behavior & Mood Rating Scale ac-cording to the object of the study. At the same time, the frequence of the care and treatment were collected. Criteria for sample selection and independent variables as an influential factor to the patient behavioral change, based on a literature revienw and clinical experiences. Pearson's correlation and multiple regression analysis were used to determine the influfntial factors to the patient behavioral change. Systematic reading (r=.8324), Psychiatrist's individual interview (r=.5764), tranquilizer (r=.3441) and hospitalization processing date (r=.4143) were related with patient's behavioral change. That is these 4 variables can be said to influence to the patient's behavior and mood. A stepwise multiple regression analysis of the effect of the independent varibles of systematic reading, psychintrists individual interview, tranquilizer and hospitalization processing date on the dependent variable, patient's behavioral change was carried out. Systematic reading with on R²of. 69 revealed to be the main influential factor to the patient's behavior and mood change, as the next factor psychiatrist individual interview. A total inclusion of these factors revealed a 73% prediction for the patient's behavior and mood change. But the most influential factor was the interaction of the systematic reading and psychiatrist's individual interview.

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Consumer Needs for HMR Product Development of Chinese Elderly Consumers (중국 고령친화형 HMR 제품 개발을 위한 소비자 요구도)

  • Nam, Sang-Myung;Hong, Wan-Soo
    • Journal of the Korean Society of Food Culture
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    • v.36 no.5
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    • pp.441-454
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    • 2021
  • This study analyzed consumer needs for the development of elderly-friendly HMR products in China. In developing the products, items needed to be improved, types and packages of the necessary products, additional improvements and food preferences were investigated. According to the demographic characteristics of elderly Chinese consumers, these was analyzed as well. A survey was conducted on a total of 370 elderly people, and data analysis was performed using SPSS 18.0 program. Items related to product quality safety, such as "marks of origin by ingredient", "rich nutrients", "expansion of letter size of packaging", "rich nutrients" and "clear manufacturing date and expiration date", were required to develop HMR products. The types of products that should be developed were porridge and noodles, and the packaging types that should be developed were eco-friendly packaging and recycled packaging. In addition, "low-calorie HMR", "development of various seasonings", "use of eco-friendly food ingredients" and "HMR to digest easily" should be improved. The demand for product improvement and food preference showed significant differences according to the degree of education, monthly income and oral health. The results were intended to prepare basic data for setting the direction when developing elderly-friendly HMR.

Effect of Girdling on the Fruit Quality and Harvest Date of the 'Shigyoku' Grapes

  • Lee, Seok-Ho;Lee, Jae-Wung;Kim, Hyun-Ju;Kim, Young-Ho;Lee, Ki-Yeol;Shin, Un-Dong;Kim, Hag-Hyun
    • Korean Journal of Plant Resources
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    • v.23 no.3
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    • pp.228-232
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    • 2010
  • The present study was carried out to elucidate the effect of girdling on the quality and harvest date of the 'Shigyoku' grapes. Among girdled vines, the interval from full bloom to harvest date was 77 days; this was as much as seven days shorter in vines receiving a 20% girdling treatment. With regards to fruit characteristics, significant differences were observed in cluster length, berry number, and berry weight in vines that received girdling treatments. There were also significant differences in cluster weight; 468.2 g, 491.6 g and 504.9 g in the control group, 10% girdling group, and 20% girdling group, respectively. Thus, the use of girdling treatments is an effective approach to increasing cluster weight by 5% in the 10% girdling treatment and 8% in the 20% girdling treatment. The 10% girdling treatment showed significant difference in terms of titrable acidity; in fact, the overall titrable acidity was relatively high among all the girdling treatments. The concentration of anthocyanin increased in 20% girdling treatment, but there were no significant differences in anthocyanin concentration among girdling treatments. Berry color developed rapidly in vines that received girdling treatment.