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An Apparatus and Electrodes for Studying Electrocardiographic Changes in Small Animals (토끼의 심전도에 대하여)

  • Lee, Kae-Yul;Yoo, Eun-Hak;Park, Ok-Shin;Kim, Chang-Zoon;Kang, Suk-Won
    • The Korean Journal of Physiology
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    • v.2 no.1
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    • pp.53-58
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    • 1968
  • In order to study the electrocardiogram of small animals authors deviced a fixing apparatus in the ventral resting position of rabbit and an attaching electrodes. Normal electrocardiograms of 8 adult rabbits were studied with author's improved fixing apparatus and electrodes. Leads taken were the standard limb lead, augmented unipolar leads and the unipolar precordial leads. The total numbers of various leads were eleven altogether. Results obtained in this study may be summarized as follows: 1. The details of the methods used to record and measure the six standard frontal plane leads and the five precordial leads of the rabbit electrocardiogram in the ventral resting position were described. The fixing apparatus of rabbits in ventral position are shown in Figure 1 and the attaching electrodes are shown in Figure 2. 2. The electrocardiographic changes in ventral position were more stable than in dorsal position in each lead. 3. The analysis of the amplitude, duration and other values of various waves are shown in Table 1 and Figure 3. 4. The electrocardiogram of rabbits showed decreased heart rate in ventral position than dorsal one. 5. The mean electrical axis of QRS complex in ventral position were +44.12 degrees and in dorsal position were +25.5 degrees.

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Safety Management for MR-Guided Interventions

  • Cherkashin, Mikhail;Berezina, Natalia;Serov, Alexey;Fedorov, Artem;Andreev, Georgy;Kuplevatsky, Vladymir
    • Investigative Magnetic Resonance Imaging
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    • v.20 no.3
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    • pp.152-157
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    • 2016
  • Purpose: Operating room management is the serious and complex task for hospital managers and the common approach is to develop relevant standard operational procedures. From patient and staff safety perspective, operating room management should be well-studied and hospital should identify and address any potential risks. Simultaneous usage of different imaging and less-invasive treatment technologies demands strong management control. Materials and Methods: We have formed the multidisciplinary expert panel (surgeons, anesthesiologists, radiologists, healthcare managers etc.) for hybrid theater management standard operational procedure development. On the first stage the general concept of hybrid room design and patient routing was developed. The second stage included the technical details discussion. For patient safety improvement we modified the Surgical Safety Check-list in accordance with potential MRI-related safety challenges and concerns. Results: WHO Surgical Safety Checklist is a simple and easy-to use tool which includes three blocks of question (grouped by the surgery process). We have developed two additional blocks of questions for the intraoperative magnetic resonance investigation. It is very important to have a special detailed routing with a strong control of ferromagnetic devices and anesthesiology care. Conclusion: High-energy MRI (1.5-3.0T) is characterized by potential influence on patient and staff safety in case of hybrid surgery. It is obvious to have a strong managerial control of ferromagnetic devices and anesthesiology care. Surgical Safety Checklist is the validated tool for improving patient safety. Modification and customization of this check-list potentially provides the opportunity for surgery processes improving.

An Analysis of 3GPP and 3GPP2 Communication Networks for Supporting Location Based Services (위치기반서비스를 제공하는 3GPP와 3GPP2 통신망 비교 분석)

  • Kim, Do-Hyeon;Jin, Hui-Chae;Ha, Su-Uk
    • Journal of Korea Spatial Information System Society
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    • v.4 no.2 s.8
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    • pp.23-34
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    • 2002
  • Various tries are in progress to expand the usability of wireless telecommunication harminized internet technology. The most typical example among those services is LBS(Location Based Service). Nowaday, Standards for telecommunication system of LBS centers round on 3GPP(3rd Generation Partnership Project) and 3GPP2. In this paper we compare the telecommunication system of 3GPP and 3GPP2 in order to make domestic standards of telecommunication system to provide LBS. First, we investigate network models and interfaces of GSM(Global System for Mobile) and ANSI(America National Standard Institute)-41/PCS1900 - Telecommunication type of 2nd generation. Also we consider those of UMTS (Universal Mobile Telecommunication System) and cdma2000 - Telecommunication type of 3nd generation. Then we analysis function components for LBS of each network models details.

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A Study of Copyright Infringement in Video Works (영상저작물의 저작권 침해에 관한 연구)

  • Pyun, Seog-Hoan
    • The Journal of the Korea Contents Association
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    • v.7 no.6
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    • pp.107-118
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    • 2007
  • This study examined the standard how to deal with infringement of copyright legally, by looking at several examples of the infringement of copyright in local video works. When we look at precedents relating to copyrighted motion pictures, there are many times when two works seem quite similar but don't get conformed to the infringement of copyright by deliberating the similarities feebly. Although the Idea seems same, the creative expression is admitted and the substantial similarity is denied. For example, in the case of the soap opera, 'Kareiski', the court presented a standard of judgment by organizing the facts, based on the subjective element, dependence on proof and the objective element, the substantial similarity In the case of 'Fox and the Cotton Candy', the dependence on proof and the substantial similarity were examined as usual but when examining the substantial similarity, it was examined in more specific details. This case is a good reference for solving such a case in the future.

A Comparative Study of the Draping Pattern based on Setting Waist Base Line of Dress Form (인대의 허리 기준선 설정에 따른 입체 패턴 비교 연구)

  • Yang, Chung-Eun;Kim, Yang-Weon;Lee, Eun-Kyung;Lee, Hae-Young
    • Korean Journal of Human Ecology
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    • v.16 no.5
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    • pp.969-977
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    • 2007
  • The research thesis has been intended to make a comparative analysis on the basic bodice pattern and basic skirt pattern changing on the basis of setting waist line of dress form in an effort to set reasonable standards in selecting the standard lines of drees form. The thesis has made the wearing evaluation by producing the sample of upper and lower dress based on A pattern and B pattern. In details, A pattern functions to keep waist line flatly down from lateral waist-right to posterior waist in a little curved state, paralleling bust line and hipline with waistline. And, B pattern functions to keep waistline, bust line and hipline horizontal paralleling with ground surface. SPSS win 10.1 program was used for the analysis of evaluation and t-test. The result is as follows: For basic bodice-front of upper dress, A and B patterns have made little significant difference. With regard to basic bodice-back, B pattern has got the higher evaluation than A pattern, in the pattern stability and appearance. For basic skirt pattern, A pattern has got the lower evaluation in the aspect of total back appearance, back dart, hip line, and waist line, and front drape. Basic bodice pattern of A pattern, which takes on the different horizontal standard lines of dress form depending on the selection of waistline, and basic skirt pattern has scored less in terms of pattern stability and appearance.

Characterizing the ac-dc-ac Degradation of Aircraft and Vehicle Organic Coatings using Embedded Electrodes

  • Bierwagen, Gordon P.;Allahar, Kerry N.;Su, Quan;Victoria, Johnston-Gelling
    • Corrosion Science and Technology
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    • v.6 no.5
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    • pp.261-268
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    • 2007
  • Embedded sensors were used as an in-situcorrosion-sensing device for aircraft and vehicular structures protected by organic coatings. Results are presented changes associated with a standard Airforce aircraft coating and a standard Army vehicle coating were monitored by embedded sensors. These coatings consisted of a polyurethane topcoat and an epoxy primer, however are formulated to provide different characteristics. The ac-dc-ac testing method was used to accelerate the degradation of these coatings while being immersed in a NaCl medium. Electrochemical impedance spectroscopy and electrochemical noise measurement experiments were used to monitor the induced changes. A comparison of the results between coatings subjected to the ac-dc-ac exposure and coatings subjected to only constant immersion in the NaCl medium is presented. The results were used to demonstrate the effectiveness of the ac-dc-ac method at accelerating the degradation of an organic coating without observably changing the normal mechanism of degradation. The data highlights the different features of the coating systems and tracks them while the coating is being degraded. The aircraft coating was characterized by a high-resistant topcoat that can mask corrosion/primer degradation at the primer/substrate interface whereas the vehicle coating was characterized by a low-resistant topcoat with an effective corrosion inhibiting primer. Details of the ac-dc-ac degradation were evaluated by using an equivalent circuit to help interpret the electrochemical impedance data.

Development of Information & Communications Technologies Merged Municipal Government Bridge Maintenance System (ICT 융합 지자체 교량 유지관리 시스템개발)

  • Yun, Youngman
    • Journal of the Society of Disaster Information
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    • v.13 no.4
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    • pp.476-482
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    • 2017
  • For the bridges managed by the municipalities, there is a need for a maintenance management system for the municipal governments for the scientific and systematic maintenance standard and the scientificization of the budget acquisition and execution through the quantified data base. The purpose of this study is to develop a system for efficient management of small bridgies maintained by the municipality and use ICT convergence technology such as BIM / GIS technology. The details of the system development include the development of the small bridgies maintenance program for mobile devices, the development of the small bridgies maintenance database, the development of the small bridgies integration maintenance management, and the reliability of the program system developed by checking the construction and operation contents of the small bridgies test-bed. The developed program system is linked to the development of smart name plate and reader module of non - power system.

Design and Implementation of SGML Document Management System (SGML 문서 관리 시스템의 설계 및 구현)

  • Kim Yong-Hun;Lee Won-Suk;Ryu Eun-Suk;Lee Kyu-Chul;Lee Sang-Ki;Kim Hyun-Ki;Lee Hae-Ran;Zhoo Zong-Chul
    • Journal of the Korean Society for Library and Information Science
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    • v.32 no.3
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    • pp.157-177
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    • 1998
  • The 21st century will be the advanced Information society era. The management of very large quantity of electronic documents is important because new applications such as Digital Libraries, CSCW (Computer-Supported Cooperative Work) in Intranet, CALS (Commerce At the Light Speed) are emerging, which require the functionalities of efficient storing, searching and managing a bulk of electronic documents. SGML(Standard Generalized Markup Language) is an ISO Standard for representing structure information of electronic documents. This paper proposes an effective data model for storing and managing SGML documents. We also describe the design and implementation details of SGML document management system, which has capabilities of storing SGML instances, generating schema dynamically, and retrieving structure elements efficiently.

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Analysis of Field Measured Odor Emission Rate in Pig Houses (국내 돈사 악취 방출량 측정 결과 분석)

  • Decano-Valentin, Cristina;Lee, In-bok;Yeo, Uk-hyeon;Jeong, Duek-young;Lee, Sang-yeon;Park, Se-jun;Cho, Jeong-hwa;Lee, Min-hyeong;Jeong, Hyohyeog;Kim, Da-in;Kang, Sol-moe
    • Journal of The Korean Society of Agricultural Engineers
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    • v.64 no.6
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    • pp.55-63
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    • 2022
  • Odors emitted from pig houses have been a constant root of legal issues in pig farming. These gases are among the main causes of health and mental stresses to nearby communities, so policymakers and researchers continuously study to reduce the concentration of odorous gases from pig facilities. A continuous field experiment proved that the concentration of odor emissions inside the pig houses is highly dependent on ventilation rate, breeding details, and animal activities. However, the standard odor emission rate worldwide widely varies due to differences in pig house designs and ventilation requirements. Thus, this study aimed to measure the odor emission rates, considering the actual condition of selected Korean pig houses, through field measurement. The odor measurements were performed at three different pig production facilities without odor abatement technologies. The target experimental pig houses were buildings for weaning, growing, and fattening pigs. Results showed that the actual ventilation rate in target pig houses falls below the standard ventilation requirement of pigs, resulting in high odor concentrations inside the pig houses.

Development of Online Fashion Thesaurus and Taxonomy for Text Mining (텍스트마이닝을 위한 패션 속성 분류체계 및 말뭉치 웹사전 구축)

  • Seyoon Jang;Ha Youn Kim;Songmee Kim;Woojin Choi;Jin Jeong;Yuri Lee
    • Journal of the Korean Society of Clothing and Textiles
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    • v.46 no.6
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    • pp.1142-1160
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    • 2022
  • Text data plays a significant role in understanding and analyzing trends in consumer, business, and social sectors. For text analysis, there must be a corpus that reflects specific domain knowledge. However, in the field of fashion, the professional corpus is insufficient. This study aims to develop a taxonomy and thesaurus that considers the specialty of fashion products. To this end, about 100,000 fashion vocabulary terms were collected by crawling text data from WSGN, Pantone, and online platforms; text subsequently was extracted through preprocessing with Python. The taxonomy was composed of items, silhouettes, details, styles, colors, textiles, and patterns/prints, which are seven attributes of clothes. The corpus was completed through processing synonyms of terms from fashion books such as dictionaries. Finally, 10,294 vocabulary words, including 1,956 standard Korean words, were classified in the taxonomy. All data was then developed into a web dictionary system. Quantitative and qualitative performance tests of the results were conducted through expert reviews. The performance of the thesaurus also was verified by comparing the results of text mining analysis through the previously developed corpus. This study contributes to achieving a text data standard and enables meaningful results of text mining analysis in the fashion field.