• 제목/요약/키워드: sleep problem

검색결과 199건 처리시간 0.024초

레이저 스페클 간섭법을 이용한 면내변위 측정시스템 개발 (The Development of In-Plane Displacement Measurement System on Laser Speckle Interferometry)

  • 윤홍석;김경석;박찬주;최태호;최정석
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2005년도 춘계학술대회 논문집
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    • pp.556-560
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    • 2005
  • The measurement method by Laser Speckle Interferometry which uses the interference law which will grow precedes and with it explains a resolution measurement ability and together the change of place arrowhead and general measurement, at real-time measurement sensitivity it has application boat song from candle precise measurement field it is increasing. But, currently the domestic application technique to sleeps and optical science military merit by optical science interferometer and directness it composes purchases to the level which it applies the expensive commercial business equipment the outside and in spite of the technical ripple effect is deficient even in many strong point. The hazard which complements like this problem point form technical development it leads from the research which it sees and an application degree and to sleep as the measurement equipment which tries to develop the small-sized optical science interference sensor and an interpretation program it raises it does.

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영상회의 시스템에서의 멀티미디어 데이터 보안 (Multimedia Data Security of Video Conferencing System)

  • 이원호;한군희
    • 한국콘텐츠학회:학술대회논문집
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    • 한국콘텐츠학회 2003년도 춘계종합학술대회논문집
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    • pp.231-236
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    • 2003
  • 영상회의 시스템을 인터넷상에서 다양하게 사용하려는 시도가 이루어지고 있다. 이런 부분의 연구는 오디오, 비디오 압축기법, 멀티미디어 데이터의 동기화, 다자간의 영상회의를 지원하기위한 IP multicast의 Mbone의 연구가 활발하게 이루어지고 있고, 통신의 회선속도가 고속화됨에 따라 인터넷에서 영상을 통한 다양한 멀티미디어 서비스가 이루어지고 있다. 개방형 분산 인터넷 통신망 환경에서의 영상회의는 영상회의 데이터인 영상 및 음성보안에 대한 문제가 심각하게 대두된다. 본 논문에서는 영상회의에서 멀티미디어 데이터의 특성에 따른 보안 방법을 제시하고자 한다.

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타이쿤 모바일 게임의 문제점 도출 및 개선 방안에 대한 연구 (The study on derived problems and improvement analysis from tycoon type mobile game)

  • 박홍;박정현;박진완
    • 한국콘텐츠학회:학술대회논문집
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    • 한국콘텐츠학회 2006년도 춘계 종합학술대회 논문집
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    • pp.181-184
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    • 2006
  • 제한된 인터페이스와 게임 플레이 시간에 제약을 받는 모바일 게임의 특성에 적합한 게임 컨텐츠로써 타이쿤 게임이 대두되면서 하나의 장르로써 인정이 되었을 정도로 각광받았다. 하지만 이러한 인기를 바탕으로 게임성이 없이 출시되는 게임들 때문에 점점 밀려나고 있는 실정이다. 따라서 본 연구에서는 상당한 게임성을 내재한 타이쿤 모바일 게임의 동향과 제작 프로세스 및 구성을 알아보고 그것을 바탕으로 현재 타이쿤 모바일 게임의 문제점을 도출하고 개선 방안을 제시하고자 한다.

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미국 대학생의 건강수준, 건강행동 및 건강관련요인에 관한 변화 추이 분석 (An Analysis on the Change of Health Status, Health Behavior, and Influencing Factors Among American College and University Students)

  • 김영복
    • 보건교육건강증진학회지
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    • 제27권4호
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    • pp.153-163
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    • 2010
  • Objectives: Analysis and understanding on the health trend of college and university students are paramount to creating healthy campus communities. We evaluated the change of health status, health behavior, and influencing factors among them in the last ten years. Methods: Using the results of the ACHA-National College Health Assessment from 2000 to 2009, we reanalyzed the trend of health condition, health behavior, and health risk factors in linear regression model. Results: In general health of college and university students, major health problem were allergy problems, back pain, and sinus infection. Academic impacts were stress, sleep difficulties, cold/flu, concern for troubled friend or family member, relationship difficulty, and internet use or computer games. Although regular exercise was decreasing among them, it were more likely to have never smoking, no sexual partner, and eating of fruits/vegetables as time passed (p<0.05, p<0.01). Obesity and sleeping difficulty were increasing, while it were less likely to have feeling very sad, feeling hopelessness, and considering attempting suicide (p<0.05, p<0.01). Conclusion: These data expand the understanding of the health needs and capacities among young adults. For Korean college and university students, it is necessary to standardize the data-collection survey to set the college health and healthy campus.

건축물의 대공간 집회시설의 실내공기질 개선방안에 관한 연구 (A Study of the Indoor Air Quality Improvement for Large Scale Assembly Facilities)

  • 임태섭;강승모
    • 한국실내디자인학회논문집
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    • 제20권4호
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    • pp.183-190
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    • 2011
  • Lately majority of churches have preferred to enlarge their worship area to both horizontal and vertical axis. According to expand their area which brings more devotees to the limited service area. Transform from a small church into a large church is no longer unprecedented issue in South Korea. As the size of church getting bigger, many unexpected issues become matters. One of the significant problem is that the number of people have experienced either fall a sleep or feel a doziness during their service period. Due to the limited condition for the specific building type such as religion facility(church), IAQ improvements is seriously concerned. Therefore, we are going to examine by using simulation tool, CF, a difference of ventilation efficiency about the location and number of windows, and find the best way of the ventilation efficiency in a multi-stories type church by changing the exhaust pipes location and size. Furthermore, in this thesis, by changing a ceiling height from the existing building to confirm that $CO_2$ have been satisfied for both the ventilation efficiency and IAQ.

복막투석환자의 소진요인과 대응양상에 관한 분석 (An Analysis of Burnout Factors and Coping Methods on Continuous Peritoneal Dialysis Patients)

  • 정영순;최귀순
    • 대한간호
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    • 제34권2호
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    • pp.66-76
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    • 1995
  • This study was done to identify burnout factors and coping methods surveyed upon 59 out-patients who have continuous peritoneal dialysis. Raw data was collected after being filled the questionnaire by subjects or directly interviewing at the peritoneal dialysis room of the K hospital. Taegu. Then. data was classified and analyzed according to categories of questions and revealed facts. The following results are obtained: The average age of subjects is 43.8 years old and the average duration of continuous peritoneal dialysis is 16.9 months. The reasons of choosing continuous peritoneal dialysis are 61. 0% by recommendation of doctor and nurse ranked as the first, 32. 2% by patient own decision ranked as the second. The 57.6% of subjects were experienced complications related to continuous peritoneal dialysis. The major psychosocial burnout factors because of the dialysis are confinement, wasting time, change in responsibility and role as a member of family, worriment for infection, interference in job: and the major physiological burnout factors are fatigue and weakness. Among the main coping methods, the problem-oriented coping methods are "accept the given situation itself, "actively try to change the situation", "try to maintain some controls over the situation", and the affective-oriented coping method are "give up and accept as fate", "pray", "ask comfort or help from family and friends", "sleep", "cry". Conclusively, it can be said that effective nursing intervention is needed to prevent continuous peritoneal dialysis burnout.

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LDA를 이용한 온라인 리뷰의 다중 토픽별 감성분석 - TripAdvisor 사례를 중심으로 - (Multi-Topic Sentiment Analysis using LDA for Online Review)

  • 홍태호;니우한잉;임강;박지영
    • 한국정보시스템학회지:정보시스템연구
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    • 제27권1호
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    • pp.89-110
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    • 2018
  • Purpose There is much information in customer reviews, but finding key information in many texts is not easy. Business decision makers need a model to solve this problem. In this study we propose a multi-topic sentiment analysis approach using Latent Dirichlet Allocation (LDA) for user-generated contents (UGC). Design/methodology/approach In this paper, we collected a total of 104,039 hotel reviews in seven of the world's top tourist destinations from TripAdvisor (www.tripadvisor.com) and extracted 30 topics related to the hotel from all customer reviews using the LDA model. Six major dimensions (value, cleanliness, rooms, service, location, and sleep quality) were selected from the 30 extracted topics. To analyze data, we employed R language. Findings This study contributes to propose a lexicon-based sentiment analysis approach for the keywords-embedded sentences related to the six dimensions within a review. The performance of the proposed model was evaluated by comparing the sentiment analysis results of each topic with the real attribute ratings provided by the platform. The results show its outperformance, with a high ratio of accuracy and recall. Through our proposed model, it is expected to analyze the customers' sentiments over different topics for those reviews with an absence of the detailed attribute ratings.

국제노동기구협약(ILO)에 의한 선박과 해양시설용 침실의 공기 매트리스의 개발에 관한 연구 (A study on development of spacer fabric air mattress for marine vessels and off shore living room by ILO Convention)

  • 권기생;남철우
    • 한국마린엔지니어링학회:학술대회논문집
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    • 한국마린엔지니어링학회 2005년도 전기학술대회논문집
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    • pp.700-707
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    • 2005
  • The human being continued the processing of improvement for well being life according to scientific results The other hand, All the seaman life take the rest and sleep in ship's office and living room. In this case, many crew took the pain of back spain or deposit the his fatigue, This will be decrease the productivity owing to crew's back spain or fatigue etc. In this study researched the problem of ship's bed mattress and the principle of Well being air mattress in technical standard etc. Specially decreased some kinds of bacillus, germ and many kinds of bacteria by using of tourmaline which emitted the far red light and negative ion from surface of the mattress. We developed and applied the ship's Well being air mattress to off shore and various kind of ship by International Labour Organization convention 192.

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말기 담낭암 환자의 통증조절을 위해 MS Contin 투여중 발생한 호흡억제 -증례 보고- (Respiratory Depression during Oral MS-Contin Administration for Pain Management of Gall Bladder Cancer)

  • 이철우;이병호;이용희
    • The Korean Journal of Pain
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    • 제9권1호
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    • pp.239-243
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    • 1996
  • MS-Contin is an oral controlled-release preparation of morphine sulfate that has been used widely in the management of advanced cancer pain. It prolongs plasma concentration of morphine with no observable accumulation properties following repeated dosing, thereby promoting uninterrupted sleep and hopefully improving patient's quality of life. The common side effects of MS Contin are nausea, vomiting, drowsiness and constipation. But these symptoms are usually mild and respiratory depression is a rare problem. We experienced respiratory depression during oral administration of MS contin for the pain management of advanced gall bladder cancer of 76 years old male patient with metastasis at liver, intestine and cervical lymph node. After we increased the dosage of MS Contin from 160mg to 220mg per day, due to abdominal pain, we observed morphine reaction of MS Contin overdose such as pinpoint pupil, deeply slow respiration below 8/minute, and drowsiness. After intravenous bolus injection of 0.4 mg naloxone followed by continuous administration of 0.2 mg/hr for 4 hours, the patient regained consciousness. The administered route of morphine was changed to intravenous PCA (patient controlled analgesia). There was no aspiration sign as confirmed by chest x-ray. The patient was comfortable and delayed no signs of respiratory depression until now.

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무선 네트워크상에서 개선된 에너지 효율을 고려한 저전력 센서 네트워크의 연구 (A Study on Low-Power Sensor Network of Improved Power-Efficiency in Wireless Network)

  • 최인화;하미드 잡발;황준;박경린;정태경
    • 인터넷정보학회논문지
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    • 제10권4호
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    • pp.151-160
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    • 2009
  • 무선 네트워크 솔루션은 자유로운 이동성과 설치의 간편성 때문에 많은 영역에서 사용되고 있다. 무선 네트워크를 구성하는 센서들이 서로 정보를 공유하기 위해서는 무선통신을 지원하는 프로토콜이 필요하다. 대표적인 프로토콜은 Mobile IPv6가 있다. 그러나 각 센서들은 제한된 전력과 컴퓨팅 능력을 갖기 때문에 이 프로토콜을 사용하는 것은 매우 비효율적이다. 본 논문에서는 이러한 문제를 해결하기 위해 에너지 효율을 높일 수 있는 개선된 센서 회로를 설계하였으며, 센서 네트워크상에서 필요하지 않은 센서를 휴면상태로 둠으로써 에너지 소비를 줄일 수 있는 알고리즘을 구성하였다.

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