• 임상이비인후과
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• 제29권2호
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• pp.235-239
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• 2018

Due to the structure with one end closed, the external ear resonance effect in which the high frequency is amplified can be generated, and the sound can be perceived well. The external ear resonance normally has a first peak and a second peak. On average, the first peak has a gain of 18.6 dB at 2620 Hz and the second peak has a gain of 18.2 dB at 4210 Hz. The resonance of the external auditory canal changes with the state of the tympanic membrane, the presence of the ventilation tube, and the structure (length, diameter, shape) of the external auditory canal. A patient with a postauricular meatomastoid cutaneous fistula was admitted to the hospital with a foreign body which is the molding of the hearing aid. After removal of the foreign body, the resonance of the external auditory canal was lost and the subjective sound cognitive ability decreased. In the case of postauricular meatomastoid cutaneous fistula, we confirmed the improvement of sound cognitive ability, the change of pure tone hearing threshold, and the change of the external ear resonance after reconstruction of the ear canal without middle ear reconstruction.

• 한국산학기술학회논문지
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• 제22권3호
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• pp.44-50
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• 2021

본 연구는 119구급대원의 직무스트레스와 직무만족도가 직무수행능력에 미치는 영향을 알아보기 위한 서술적 조사연구이다. 연구대상자는 연구 참여에 동의한 전라북도에 소재하고 있는 소방서에 재직 중인 119구급대원이며 자료 수집은 2020년 7월 1일부터 9월 10일까지 실시되었다. 자료 분석은 SPSS 23.0 프로그램을 이용하였으며, 빈도와 백분율, 평균과 표준편차, 상관분석, t-test, ANOVA로 하였다. 연구결과 119구급대원의 직무스트레스 평균은 2.85±.0.29점, 직무만족도 3.35±0.30점, 직무수행능력 3.53±0.89로 나타났으며, 직무만족도가 높을수록 직무수행능력이 높은 것으로 나타났다. 일반적 특성에 따른 변수들의 특성을 살펴보면 직무수행능력은 결혼여부, 연령, 구급경력에 따라 유의하게 관련이 있는 것으로 나타났다. 이상의 결과를 바탕으로 119구급대원의 직무수행능력을 높이기 위한 방안으로 긍정적인 전문직관을 확립하고, 업무의 만족과 관련된 인식을 증진시켜 직무스트레스를 낮추고 직무만족도를 높이기 위해 수행 개선을 통한 직업관 확립 및 직무만족도를 위한 프로그램 개발과 교육 프로그램이 적극적으로 이루어져야 할 것이다.

• 보건행정학회지
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• 제12권1호
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• pp.21-53
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• 2002

The purpose of this study is to measure the resource use of the elderly in long-term care services and to examine the effects of patient and facility characteristics on their use of resources. The data were collected from 510 old people over sixty years of age, residing in five long-term care hospitals and two skilled nursing homes during the period between December 1, 2000 and February 28, 2001. For a full sample, when the first level of RUG(Resource Use Group)-III categories were employed as the proxy of patient severity, facility characteristics, such as location, size and ownership, have large effects on the resource use measured by service intensity, whereas patient characteristics such as severity have little or no effect. The resource use is significantly high if the facility: (1) is located in rural areas (gun): (2) has mare than 200 beds; (3) is a long-term care hospital; (4) is private; and (5) has a low percentage of medical aid patients. The analysis of the resource use in each RUG-III categories, for which ADL(Ability of Daily Living) were employed as the prosy of patient severity, shows a similar result. The loose relationship between the needs of residents and the resource use seems to be closely associated with the ineffective reimbursement system for providers. The current reimbursement system has no provision for quality improvement and reimburses facilities simply according to their types: fee-for-service for long-term care hospitals, and monthly-flat-rate or full-coverage-national-aid for skilled nursing facilities. It will be necessary to develop a more reasonable reimbursement system that takes patient's severity into account and gives incentives for long-term care providers to offer cost-effective services.

• 한국축산식품학회:학술대회논문집
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• 한국축산식품학회 2000년도 국제심포지엄 및 제26차 추계학술발표회
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• pp.1-14
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• 2000

The Near Infrared region of the energy spectrum was first discovered by Hershel in the year 1800. The principles of NIR is based on light absorption of specific organic chemical bonds. The absorption at each wavelength is measured and a spectre is obtained. The spectre is then treated mathematically and with the absorption data is converted to absolute units via a calibration. In the last two decades it has developed dramatically. With the invention of computers and the ability to treat a large amount of data in a very short time the use of NIR for many different purposes has developed very fast. During the last decade with the aid of very powerful PC's the application of NIR technology has become even more widespread. Now or days development of very robust calibrations can be done in a relatively short time with a minimum of resources. The use of Near Infrared Spectroscopy (NIR) in the Meat industry is relatively new. The first installations were taken into operation in the 80ties. The Meat Industry in often referred to as rather conservative and slow to embrace new technologies, they stay with the old and proven methods. The first NIR instruments used by the Meat Industry, and most other industries, were multipurpose build, which means that the sample presentation was not well suited to this particular application, or many other applications for that sake. As the Meat Industry grows and develops to meet the demands of the modern markets, they realise the need for better control of processes and final products. From the early 90 ties and onward the demand for 'rear time' rapid results starts growing, and some suppliers of NIR instruments (and instruments based on other technologies, like X-ray) start to develop and manufacture instrumentation dedicated to the particular needs of the Meat Industry. Today it is estimated that there are approximately 2000 rapid instruments placed in the Meat industry world-wide. By far most of these are used as at-line or laboratory installations, but the trend and need is moving towards real on-line or in-line solutions. NIR is the most cost effective and reproducible analytical procedure available for the twenty first century.

• 대한의용생체공학회:의공학회지
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• 제28권6호
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• pp.732-743
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• 2007

Background noise is one of the major complaints of not only hearing impaired persons but also normal listeners. This paper describes the results of two experiments in which speech recognition performance was determined for listeners with normal hearing and sensorineural hearing loss in noise environment. First, we compared speech enhancement algorithms by evaluation speech recognition ability in various speech-to-noise ratios and types of noise. Next, speech enhancement algorithms by reducing background noise were presented and evaluated to improve speech intelligibility for sensorineural hearing impairment listeners. We tested three noise reduction methods using single-microphone, such as spectrum subtraction and companding, Wiener filter method, and maximum likelihood envelop estimation. Their responses in background noise were investigated and compared with those by the speech enhancement algorithm that presented in this paper. The methods improved speech recognition test score for the sensorineural hearing impaired listeners, but not for normal listeners. The results suggest the speech enhancement algorithm with the loudness compression can improve speech intelligibility for listeners with sensorineural hearing loss.

• Child Health Nursing Research
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• 제22권2호
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• pp.87-96
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• 2016

Purpose: This study was done to identify the level of knowledge and practice of self-management on asthma of school-aged children and to provide data for the development of an intervention program to improve self-management on asthma Methods: The participants were 100 school-aged children who were treated currently for asthma in J city located in G province. Data were collected from 25th August to 30th October 2014. Results: The mean scores were 14.37 of 20 for self-management knowledge (percentage of correct answer 71.9%), 21.65 of 30 for self-management practice. There were significant differences in knowledge according to grade, diagnosed age, food allergy, education on asthma and hardship in school life, and in practice according to gender and economic status, hardship in school life and experience of first-aid on asthma. There were positive correlations between knowledge and practice. Conclusion: Results indicate that school-aged children' knowledge and practice in self-management of asthma were not sufficient enough to perform accurate management of asthma. Therefore, to improve self-management ability of school-aged children to manage effectively asthma, educational strategies that focus on increasing knowledge need to be developed.

• 국제초고층학회논문집
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• 제10권4호
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• pp.299-310
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• 2021

External fire spread has the potential to breach vertical compartmentation and violate the fire safety strategy of a building. The traditional design solution to this has been the use of non-combustible materials and spandrel panels but recent audits show that combustible materials are widespread and included in highly complex systems. Furthermore, most jurisdictions no longer require detailing of spandrel panels under many different circumstances. These buildings require rapid investigation using rational scientific methods to be able to adequately classify the fire risk. In this work, we use an extensive experimental campaign of material-scale data to explore the critical parameters driving upward flame spread. Two criteria are outlined using two different approaches. The first evaluates the time to ignition and the time to burnout to assess the ability for a fire to spread, and can be easily determined using traditional means. The second evaluates the preheated flame length as the critical parameter driving flame spread. A wide range of cladding materials are ranked according to these criteria to show their potential propensity to flame spread. From this, designers can use conservative approaches to perform fire risk assessments for buildings with combustible materials or can be used to aid decision-making. Precise estimates of flame spread rates within complex façade systems are not achievable with the current level of knowledge and will require a substantial amount of work to make progress.

• 한국보건간호학회지
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• 제35권3호
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• pp.368-383
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• 2021

Purpose: The purpose of the study was to develop a smartphone app-based emergency coping education program to improve caregivers' emergency coping abilities and identify the program's effect on knowledge, attitudes and confidence in first aid. Methods: The study was conducted with 80 caregivers in elderly care facilities and home care centers. A total of 40 participants were assigned to experimental and control groups of caregivers working in elderly care facilities and home care centers using a nonequivalent control group pretest-posttest design. The data were analyzed using the 𝝌²-test and the independent t-test with the SPSS 25.0 program. Results: The experimental group had higher scores and a statistically significant increase in knowledge(t=6.26, p<.001), attitude(t=5.25, p<.001), confidence(t=3.38, p<.001) and emergency coping abilities(t=8.83, p<.001) was observed in comparison to the control group. Conclusion: The smartphone app-based emergency coping education program has proven the effectiveness of education by improving the ability of caregivers to cope with emergencies, suggesting the need to expand and apply it to more caregivers. In order to maximize the learning effect, app-based educational content should be developed in more diverse areas along with follow-up research with various education contents.

• 한국산학기술학회논문지
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• 제19권12호
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• pp.636-644
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• 2018

본 연구는 응급처치 교육프로그램이 간호대학생의 셀프리더십, 진로결정자기효능감 및 수행능력에 미치는 효과를 파악하고자 시도하였다. 연구방법은 비동등성 대조군 전후설계의 유사실험연구이며, 자료수집 기간은 2017년 6월 1일부터 8월 31일까지였다. 연구대상자는 D시 D대학 간호학과 학생 중 연구참여를 희망하고 동의한 실험군 27명과 대조군 25명으로 총 52명이었다. 대조군은 2017년 6월 1일 사전 설문조사 후 어떠한 처치도 없이 2주 후 사후 설문조사를 시행하였다. 실험군은 7월 25일 실험처치인 응급처치 교육 프로그램 시행 전에 사전 설문조사를 시행하였으며, 중재 후 8월 31일까지 사후 설문조사를 시행하였다. 실험군에게 제공된 응급처치 교육프로그램은 성인심폐소생술과 기도폐쇄, 화상, 출혈 및 골절에 대한 응급처치 교육내용 2시간 수강, 자율적인 동영상 시청, 강사로서 4시간 동안 초등학생 응급처치 교육수행 등으로 진행되었다. 자료분석방법은 SPSS/WIN 20.0 프로그램을 이용하여 기술통계, independent t-test, $x^2$ test 및 paired t-test로 분석하였다. 응급처치 교육프로그램 적용 전후 두 집단 간 차이를 분석한 결과 셀프리더십(t=2.08, p<.05), 진로결정자기효능감((t=4.22, p<.05), 및 수행능력(t=5.02, p<.05)은 통계적으로 유의한 차이가 나타났다. 즉, 본 연구에서 적용한 응급처치 교육프로그램은 간호대학생의 셀프리더십, 진로결정자기효능감 및 수행능력을 증가시키는데 효과적임을 알 수 있다.

• 한국컴퓨터정보학회논문지
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• 제25권10호
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• pp.159-168
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• 2020

본 연구의 목적은 응급환자를 초기에 처치하는 119구급대원의 일반적 특성을 확인하고 직무스트레스와 직무만족도의 관계와 영향을 확인하기 위함이다. 충청도지역 4개 도시 구급대원 365명을 대상으로 설문을 통해 진행하였고 직무스트레스 도구의 신뢰도는 Cronbach α=.87, 직무만족도 도구는 Cronbach α=.84 이였으며, 수집된 자료는 SPSS WIN 18.0 프로그램으로 분석하였다. 일반적 특성의 하위 변인간의 차이는 있었으나 학력을 제외한 일반적 특성은 직무스트레스와 상관성이 적었고, 대상자의 연령, 출동건수 및 현장 활동시간이 적을수록 직무만족도가 높았다. 응급처치와 파트너를 제외한 출동, 이송, 의료지도, 관계갈등 및 응급상황에 대하여 스트레스가 높으면 직무만족도가 낮아지는 것으로 나타났다. 119구급대원의 직무스트레스를 줄이기 위해서는 출동방법을 다변화하고 적절한 스트레스 관리가 필요하기 때문에 신규 구급인력의 채용 및 응급상황과 의료지도 방법에 대한 능력을 향상을 위해 제도적 지원과 교육을 제언한다.