• Title/Summary/Keyword: Measuring factors

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Study on the IR Measurement Scheme and Requirement for Its Evaluation from a Naval ship Considering the Meteorological Conditions (기상 조건에 따른 함정의 적외선 방사신호 성능 평가시 고려요소 및 계측 방안 연구)

  • Gil, Tae-Jun;Cho, Yong-Jin
    • Journal of the Society of Naval Architects of Korea
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    • v.44 no.4
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    • pp.459-465
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    • 2007
  • This paper deals with the development of measuring methodology and the requirement for its evaluation of the infrared radiation from a naval ship to optical sensors, considering the Meteorological conditions. Factors required for measuring the apparent temperature and infrared radiation are identified and two methods are suggested based on the measuring instruments carried by ship or aircraft. and target operation in the Meteorological conditions is considered. This study describes some factors affecting the IR signature. required instruments to obtain the IR signal considering the naval ship.

An Analysis of Reliability by Factors for Development of Job Stress Measurement Tools of Radiological Technologists (방사선사의 직무 스트레스 측정도구 개발을 위한 요인별 신뢰도 분석)

  • Jung, Hong-Ryang;Son, Bu-Soon;Lim, Cheong-Hwan
    • Journal of Environmental Health Sciences
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    • v.32 no.2 s.89
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    • pp.103-110
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    • 2006
  • The present study is designed to analyze reliability and validity of the instruments used to measure job stress of radiological technologists mainly by means of the questionnaires from 'Korean edition of NIOSH check list'. The subjects of this study are 890 radiological technologists active at 44 general hospitals in 16 provinces and cities across the country. The item-total reliability revealed that 10 factors in 6 are the major causes of stress in job life of radiological technologists. The measuring instrument proved to be valid with reliability coefficient of internal consistency by factors being more than 0.7. The factors found to be applicable herewith include limit and authority of job (0.73), cohesion within departments (0.86), resources control (0.81), mental requirements (0.85), job load (0.82), and job stability (0.72). When job autonomy item of causes are modified for proper use to radiological technologists, the measuring instruments are expected to show high reliability. It seems, however, necessary to develop a measuring instrument to analyze and use the validity of related measuring instruments since the reliability here was rated low, with statistical coefficients lower than 0.7 in such factors as job management (0.57), conflicts within departments (-1.13), sense of responsibility for patients (0.66) and usage of education (0.26). As this study was intended to examine reliability and validity of the concepts related to measurement of job stress on the part of radiological technologists, it nay not be proper to apply the results of this study to general use, but is advised to utilize them as basis for developing instruments to verify reliability and validity by comparing with and analyzing other measuring instruments.

Study on Priority of Measuring Instrument for Rockfall and Landslide Prevention (낙석.산사태 방지를 위한 계측기기의 우선순위 선정 연구)

  • Kim, Yong-Soo;Jung, Soo-Jung
    • Proceedings of the Korean Geotechical Society Conference
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    • 2008.03a
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    • pp.1304-1312
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    • 2008
  • In this study, the analysis to the preference level on slope measuring instrument of weight values on effect factors find out the reasonable monitoring on slope was performed, in which used AHP(Analytic Hierarchy Process) techniques. The results on professional group, such as the industry, academic, institute and government, analyzed that the very important effect factors, which were indicator of various collapse type, convenience of instrument management, The evaluation of preference level on the slope measuring instrument analyzed the invar wire extensometer which was high level at convenience of install, economical efficiency of install and convenience of instrument management.

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A Study on the improvement of Track Circuit measurement equipment for High speed Line (고속선 궤도회로 검측설비 개량을 위한 방안 연구)

  • Kwak, Woo-Hyun;Kim, Yong-Kyu;Lee, Jong-Woo
    • Proceedings of the KSR Conference
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    • 2006.11b
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    • pp.832-837
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    • 2006
  • ATC facility manipulates ground-on-board information, which transmits speed limit, varying as wayside environments - safety facility, track gradient, inclination, bridge and tunnel and other factors, installed for safe operation of trains on wayside. Efficientiation and automatification of operation and maintenance is being realized, by measuring if there are any erroneous information, using a measuring car. In this paper, we study in priority the methods for measuring accurately distinctive properties of internal malfunctions of track circuits, the performance decrease of condensers, and the unbalance of return cables, which are actually required for functionality improvement of high-speed line signal measure facilities, by measuring the unbalance of return current given because of damaged factors of external track circuits.

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A study on the model of measuring visual accessibility to urban green spaces (도시녹지의 시각적 접근성 측정모델에 관한 연구)

  • 임승빈;허윤정
    • Journal of the Korean Institute of Landscape Architecture
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    • v.23 no.3
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    • pp.1-14
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    • 1995
  • The aspect of visual accessibility to urban green spaces is an important factor because it contributes making pleasant environment by increasing the visual experience of nature in urban environment. But we have tried neither to consider nor to measure it. Since he concept of visual accessibility has not formally defined yet, it was operationally defined in this study. And then the model of measuring visual accessibility was suggested and verified through the case study on neighborhood parks in Seoul. The findings are as follows : 1) The concept of visual accessibility is defined as opportunity and potentiality to observe green spaces. 2) The model of measuring visual accessibility deals with not only adjacent area but also viewshed area. In adjacent area, considering factors are the area of road adjacent to green spaces and the area of exposed green spaces. In viewshed area, considering factors are the area of road located in viewshed area, the area of exposed green spaces, and the weight according to observing distance. 3) The final model of measuring visual accessibility suggested in this study is as follows.

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Analysis on Characteristics and Related Factors of Indoor Air Quality in Newly Built Wooden Houses (신축목조주택의 실내공기질 특성 및 관련요인 분석)

  • Choi, Yoon-Jung;Lee, Jae-Kyung;Cha, Ye-Rang
    • Journal of the Korean housing association
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    • v.26 no.4
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    • pp.23-32
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    • 2015
  • The purpose of this research is to analyze characteristics and related factors of IAQ (Indoor Air Quality) in newly built wooden houses by measuring pre and post occupancy. The subjects were five wooden houses which were built with similar materials and completed from July to December 2013. Measuring factors were TVOC, HCHO, PM10, $CO_2$, CO, indoor temperature, and relative humidity. As the result of pre occupancy measuring, the houses that revealed the lowest TVOC concentration or HCHO concentration were satisfied with "the standard for newly built apartment houses". Therefore, IAQ by the wooden structures is considered to be in good condition. However, in cases of partial value exceeded the standard, the reason is analyzed to be the materials of molding, wrapping doors, built-in closet, or kitchen furniture, etc. rather than structure materials. Most PM10 concentration level showed slightly below "the standard for occupied multi-use facilities". Remaining of construction dust was considered to be the reason. As the result of post occupancy measuring, every value except of one subject's TVOC concentration was lower than pre occupancy, explaining the importance of natural ventilation.

Developing Standards for Measuring Consumers' Ability of College Student: Focus on the Consumer Education Effects (대학생 소비자능력 측정을 위한 척도개발: 소비자교육효과 측정을 중심으로)

  • Seo, In-Joo
    • Journal of Family Resource Management and Policy Review
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    • v.13 no.4
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    • pp.115-139
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    • 2009
  • This study focused on the development of a scale measuring the effect of consumer education. The purposes of this study were to develop a tool which could measure consumer knowledge, consumer attitudes and consumer behavior. Data were collected from 266 college students. Analysis was done using frequency, cross tabulation analysis, reliability test, principle components factor analysis, confirmatory factor analysis (Amos 5.0), and multiple regression analysis. The results from this study were as follows: 1) Nine consumer knowledge factors (23-items) were identified: consciousness of consumer education and evaluation, consumer rights and allowance management, methods of consumer education and consumer institutions, green energy and environmental consumption, essence and content of consumer education, consumer rights and consumer duty, critical consideration and consumer's damage salvation, buying minds and decision-making, independent consumers. Total variance was 58.4%. Cronbach's alpha for the nine factors ranged from .68-.79. 2) Five consumer attitude factors (26-items) were identified: green environmental consumption, consumer's role and rights, resources saving and consumer's damage salvation, consciousness of consumers, and right consumption. Total variance was 59.2%. Cronbach's alpha for the five factors ranged from .89-.94. 3) Seven consumer behavior factors (27-items) were identified: social role and rights of consumer and consumer movement, right buying and segregated garbage collection, green environmental consumption and resources saving, altruism and decision-making, allowance management and impulse buying, consumer's damage salvation, and consciousness of consumer. The total variance was 59.1%. Cronbach's alpha for the seven factors ranged from .77-.88. Finally, a scale measuring the effect of consumer education consisting of 76 items (consumer knowledge: 23 items (9 factors), consumer attitude: 26 items (5 factors), consumer behavior: 27 items (7 factors)) was constructed.

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A Study on the Standards of Professionalism (관광호텔 조리사의 프로페셔널리즘으로서 조리마인드에 관한 연구)

  • 강종헌;김장익
    • Culinary science and hospitality research
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    • v.6 no.2
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    • pp.247-269
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    • 2000
  • The purpose of this study looks for the cooking directions to improve the quality of the finished product by examining the perceptions for cooking style of the finished product by cook at ten deluxe hotel in Seoul. For purpose of this purpose, this study focuss on five areas: (1) examining five different types of cooking styles and twenty one culinary factors, (2) examining the satisfaction rating of culinary factors, (3) measuring reliability of the culinary factors, (4) measuring the satisfaction rating of culinary factors. The study provides a generalized framework for improving the cooking of Korean food and Western food relative to the preception for the cooking style of each food by hotel restaurant cook. This general framework could be easily expanded to include additional factors that might be relevant for other restaurant cook or other menu items.

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A Study of the Integrated Seakeeping Performance Index in Seaways (선박의 항해중 종합내항성능지표에 관한 연구)

  • 김순갑;공길영
    • Journal of the Korean Institute of Navigation
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    • v.21 no.2
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    • pp.1-9
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    • 1997
  • This paper presented a method of evaluating navigational safety of a ship by means fo the integrted seakeeping performance index(ISPI). The ISPI is defined by measuring only any one factor through the medium of relative dangerousness of the other factors for evaluating seakeeping performance. This evaluation method can be applied to the ships for any types and loading conditions. In devloping the practical evaluation system of navigational safety, it is expected to be useful to solve the difficulties in measuring factors by sensors. The results are also useful for devloping the optimum type of ship by applying at the initial design phase.

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Walkway system for measuring and training in gait

  • Hirokawa, Sunji;Matsumura, Kouji
    • 제어로봇시스템학회:학술대회논문집
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    • 1987.10a
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    • pp.797-800
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    • 1987
  • We developed a biofeedback gait training system; a 12 m measuring walkway with a training walker which moves at prescribed velocity. The walkway measures a.11 temporal and distance factors of gait. This system provides visual feedback for distance factors and auditory one for temporal at the prescribed walking velocity. Experiments were performed on normal and degenerative knee joint subjects, and this system was verified to be very useful.

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