• Title/Summary/Keyword: Measurement and assessment

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Differences in Environmental Tobacco Smoke Exposure between Self-reporting and Cotinine Test: The Application of Biomarkers (자가응답과 코티닌 측정에 의한 간접흡연 노출률 비교: 생체지표 활용의 정책적 필요성)

  • Park, Myung-Bae;Sim, Boram
    • Health Policy and Management
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    • v.30 no.4
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    • pp.505-512
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    • 2020
  • Background: In monitoring exposure to environmental smoke (ETS), biomarkers can overcome the subjectivity and inaccuracy of self-reporting measurements, and have the advantage of reflecting ETS exposure in all places. This study aims to evaluate the effectiveness of ETS exposure measurement using biomarkers such as urine cotinine. Methods: This study used the Korea National Health and Nutrition Survey data from 2009 to 2018. A total of 28,574 non-smokers with urine cotinine data were selected for the study. The cotinine concentration and ETS exposure rate using urine cotinine was estimated and then compared with the self-reporting measurements. The degree of agreement among measurements of ETS exposure was confirmed. Results: As a result of measuring ETS exposure with urine cotinine, 23,594 (83.8%) out of 28,574 subjects were classified as to exposure groups. This estimate differs significantly from measurements made by self-reporting. In addition, the average concentration of cotinine in non-smokers has decreased to a 10th level over the past 10 years. Based on the biomarker, the sensitivity of the self-reporting was 8.5%-29.0%, the specificity was 16.4%-19.5%, and the kappa value was 2.0%-5.8%. Conclusion: The findings of our study show that self-reporting measurement does not well reflect the extent to which non-smoker's exposure to smoking materials. Whereas cotinine concentration has decreased significantly over the past 10 years, the ETS exposure rate has not reduced. It strongly suggests the need for intervention in the group of non-smokers exposed to low concentrations of smoke. Therefore, an assessment using biomarkers such as cotinine-based measurement should be made in the Health Plan 2030.

Clinical Observation on Blood Flow of Facial Acupuncture Points in Bell's Palsy Patients by Doppler Ultrasound (도플러 초음파검사를 이용한 안면마비 환자의 안면부 경혈의 혈류 관찰)

  • Yin, Chang-Shik;Bae, Young-Min;Choi, Yang-Sik;Ko, Jeong-Min;Kim, Sergey;Kang, Uk;Lee, Sang-Hoon
    • Journal of Acupuncture Research
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    • v.26 no.2
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    • pp.49-58
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    • 2009
  • Objectives : The aim of this study was to investigate whether Doppler ultrasound device is applicable for the evaluation of facial palsy patients. Methods : A total of 25 patients participated in the first assessment and 22 of them finished a follow-up assessment one week later. An assessment comprised of a Minimax-Doppler-K device examination on bilateral acupoints $ST_5$, $SI_{19}$, $ST_2$, and $BL_1$, House-Brackmann grading, and subjective symptom questionnaire. Measurement reliability was assessed and clinically meaningful variations of Doppler measurement values were explored. Results : Doppler ultrasound examination revealed a significant difference of some measurement values between values of the symptom side and the contralateral side, between groups of severe paralysis and moderate paralysis, and between groups of short duration(0-3 weeks) and long duration (3 weeks-5 months) by non-parametric analyses (p<0.05). Several re-examination values showed a significant correlation with the first examination values by Spearman's correlation tests (p<0.05). Conclusions : This study revealed several possibilities for the clinical application of this device. Further validity tests and device improvements for a user's convenience would be helpful for its practical application.

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A Study on HMI Assessment of Joystick Driving System Using the Physiological Signal Measurement Method (생리신호 측정기법을 이용한 Joystick 운전방식의 HMI 평가연구)

  • Kim, Bae-Young;Koo, Tae-Yun;Bae, Chul-Ho;Park, Jung-Hoon;Suh, Myung-Won
    • Transactions of the Korean Society of Automotive Engineers
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    • v.18 no.3
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    • pp.1-7
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    • 2010
  • Recently, the vehicle driving device has been designed for driver's convenience. Especially, the automobile industry develops the vehicle using the joystick instead of steering wheel from the concept car. The biggest strength of using the joystick is that the driver feels less workload and fatigue than when the driver uses steering wheel. However, this kind of study still needs more research and experiments for more accurate result. Therefore, this research evaluated workload according to the driving device by the survey and the measurement of physiological signal. The reason not only using the survey also using the measurement of physiological signal is to support the result of the survey which is not enough to bring the accurate result. There were tow different kinds of methods to carry out this research; SWAT (Subjective Workload Assessment Technique) for the survey and the biopac equipment for the measurement of physiological signal. Furthermore, previously established driving simulator, GPS (Global Positioning System), and Seoul-Cheonan virtual expressway DB were used for the experiment. As the result of the experiment with 13 subjects, it was certain that using joystick device brings less workload and fatigue to the drivers than using steering wheel following both methods-the survey and the measurement of physiological signal. Also, it confirmed the significant result from the SPSS (Statistical Package for the Social Sciences) statistics analysis program.

A Study on the Plan for Advanced Noise-Policy in the 21st Century (21세기 소음정책 선진화 방안 고찰)

  • Yang, Geun-Ho;Park, Young-Min;Lee, Nae-Hyun;Chang, Yoon-Young
    • Journal of Environmental Impact Assessment
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    • v.18 no.1
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    • pp.21-30
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    • 2009
  • The study show that things about the noise control are indicated at The Noise & Vibration Control Act and the other Act. Also, the details program and total government ministries' program for the noise control are indicated what are the advance noise control plan. The study consist of the four part which are "Draw up the environmental noise infrastructure plan; the install shall be done the noisemap & the automatic noise measurement devices", "Resetting of environmental noise standard at the application area and Introduce of indoor noise; the guide for region classification of the noise standard & indoor noise", "Setting of aircraft noise standard and Program of measurement point operation; the noise-assessment-standard shall change from WECPN to new index($L_{den}$, $L_{dn}$, $L_{Aeq\;24h}$) & the operation and control of aircraft noise measurement changes from local environmental office to central control center" and "The method of noise regulation at construction site and the plan on making of standard for vibration regulation; It shall be made that the guideline of construction noise should include a target-construction, noise standard etc & the ministries shall unify control about construction vibration of the blasting vibration". The advance noise-policy will improve efficiency to deal with civil appeal & damage on residents about noise.

A Systematic Review of Assessment Tools of Activities of Daily Living for Stroke Patients (뇌졸중 환자를 위한 일상생활활동 평가도구에 관한 체계적 고찰)

  • Kang, Jae-Won;Park, Ji-Hyuk
    • Therapeutic Science for Rehabilitation
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    • v.6 no.2
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    • pp.11-28
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    • 2017
  • Objective: The purpose of this study was conducted to systematic review about assessment tools for Activities of Daily Living (ADL) for stroke patients. Methods: Studies tools was administered by using four electronic databases (Pubmed, Embase, Cochrane and NDSL). For the main key words,"stroke AND activities of daily living AND occupational therapy AND assessment OR evaluation OR measurement"was used. We analyzed the types and frequency of evaluation tools. In addition, the evaluation tools for activities and participation were classified based on the classification criteria of International Classification of Functioning, Disability and Health (ICF). Results: In this study, 111 studies were analyzed and 30 assessment tools were identified. As the number of studies on stroke patients has been increased recently, the types and frequency of evaluation tools have been also increased. The most commonly used evaluation tools were Functional Independence Measure (FIM), Barthel Index (BI) and Canadian Occupational Performance Measure (COPM). In addition, according to classification based on ICF, we found that the types of assessment tools which assess participation were few. Conclusion: Although there were many kinds of assessment tools, the types of evaluation tools which were used in the research or field were very limited. Using various assessment tools, more research should be conducted to support evidence-based occupational therapy. Evaluation tools for participation also should be developed.

Study on Volumetric Accuracy of a CMM using step guage measurement (스텝게이지를 이용한 3차원 측정기의 입체오차 측정에 관한 연구)

  • 박희재;문준희
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1993.10a
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    • pp.312-318
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    • 1993
  • This paper presents an useful technique for error assessment of CMM with simple gauges such as step gauge. A computer module for measurement path generation is implemented,where the appropriate measurement sequences are generated in terms of DMIS file format for CMMs of CNC mode. After the CNC codes are downloaded into CMMs, the measurement operations are performed, and the error analysis are followed. Positional errors, angular errors are successfully measured with high precision along the 3 axis in relatively short time. The squareness error is also assessed with the step gauge measurement data. The developed system has been practically applied, and showed good performance.

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Comparison of Assessment method of Blast Vibration (발파 진동 평가의 문제점과 개선방안)

  • Chang, Seo-Il;Lee, Jae-Won;Kim, Hyung-Kon
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2002.11a
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    • pp.357.2-357
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    • 2002
  • The blast vibration can generate occupants dissatisfy as well as damage of physics nearby building. Then blast vibration estimation issue important problems. But, now blast vibration prediction inside-outside country not established objective method according to blast number to express magnitude of vibration. In this study, Our propoes show our country problem of blast vibration about blast vibration measurement and this problems be able to find improve method. (omitted)

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Assessment of the Radiological Inventory for the Reactor at Kori NPP Using In-Situ Measurement Technology (In-Situ 측정법을 이용한 고리 원자로 방사선원항 평가)

  • Jeong, Hyun Chul;Jeong, Sung Yeop
    • Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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    • v.12 no.2
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    • pp.171-178
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    • 2014
  • After the expiration of operating license of a plant, all infrastructures within the plant must be safely dismantled to the point that it no longer requires measures for radiation protection. Despite the fact that Kori 1 and Wolsong 1 are close to the expiration of their operating license, sufficient technologies for radiological characterization, decontamination and dismantling is still under development. The purpose of this study is to develop one of methods for radiological inventory assessment on measuring object by using direct measure of large component with In-Situ measurement technique. Radiological inventory was assessed by analyzing nuclide using portable gamma spectroscopy without dismantling reactor head, and the result of direct measurement was supplemented by performing indirect measurement. Radiochemical analysis were performed on surface contamination samples as well. During the study, radiological inventory of reactor vessel calculated expanding the result. Based on the result and the radioactivity variation of each radionuclides time frame for decommissioning can be decided. Thus, it is expected that during the decommissioning of plants, the result of this study will contribute to the reduction of radiation exposure to workers.

A Quantitative Assessment Model for Data Governance (Data Governance 정량평가 모델 개발방법의 제안)

  • Jang, Kyoung-Ae;Kim, Woo-Je
    • Journal of the Korean Operations Research and Management Science Society
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    • v.42 no.1
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    • pp.53-63
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    • 2017
  • Managing the quantitative measurement of the data control activities in enterprise wide is important to secure management of data governance. However, research on data governance is limited to concept definitions and components, and data governance research on evaluation models is lacking. In this study, we developed a model of quantitative assessment for data governance including the assessment area, evaluation index and evaluation matrix. We also, proposed a method of developing the model of quantitative assessment for data governance. For this purpose, we used previous studies and expert opinion analysis such as the Delphi technique, KJ method in this paper. This study contributes to literature by developing a quantitative evaluation model for data governance at the early stage of the study. This paper can be used for the base line data in objective evidence of performance in the companies and agencies of operating data governance.

Infrastructure Component Assessment Using the Condition Index System: Literature Review and Discussion

  • Amani, Nima;Nasly, M.A.;Samat, Roslida Abd
    • Journal of Construction Engineering and Project Management
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    • v.2 no.1
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    • pp.27-34
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    • 2012
  • Recent requirements in component management of building systems have focused on the requirement for improving methods and metric tools to support component condition assessment and appropriate decisions for infrastructure owned facilities. Although engineers and researchers have focused on developing methodologies for component assessment in recent years but there is not enough attention dedicate to facilities and components that have been constructed. This paper is a literature study of scientific papers within the topic of component condition index system (CCIS) in the period 1976 to 2009. Infrastructure component condition index had existed for some 40 years. The purpose of this paper is to provide an overview of CCIS to identify the suitable method for component condition assessment during its service life. This paper finds that the focus of CCIS, surveyed in several aspects during the 40 years that have been investigated, from technology to measurement and from assessment function to component maintenance as an integrated part of the infrastructure component management. This study offers help to researchers in understanding the selection of an appropriate method for component condition assessment in building and non-building systems.