• 제목/요약/키워드: ignorance

검색결과 236건 처리시간 0.024초

원형 확장 휜 열 교환기의 치수 강건최적설계 (Design of Annular Finned Heat Transfer Tube Using Robust Optimization)

  • 윤지원;이종수;정우진
    • 대한기계학회논문집A
    • /
    • 제27권9호
    • /
    • pp.1437-1443
    • /
    • 2003
  • Most optimization problems do not consider tolerance of design variables and design parameters. Ignorance of these tolerances may not fit for the practical problems and can lead to an unexpected conclusion. That is why we suggest robust optimization considering tolerances in both design variables and problem parameters. Using robust optimization, we designed minimum weight annular finned heat transfer tube subject to constraints on limitation of pressure difference and minimum value of total heat transfer. Consequently, robust optimization satisfies tolerance considered practical problems.

침도 침술시 부작용과 예방법에 관한 연구 (Clinical Characteristics of Poor Responders to Acupotomy and Safety Pretreatment Management)

  • 김성철
    • Journal of Acupuncture Research
    • /
    • 제25권4호
    • /
    • pp.117-125
    • /
    • 2008
  • Objectives : Analyze according to types of event causing the adverse outcome due to acupotomy, and discuss problems and safety reqirements to using this therapy in Korea. Methods : Based upon the indication, contraindication, treatment procedures, clinical obsevations, acupotomy-related adverse outcome case reports, the factors of damaging event were classified. Results : The main factors of adverse outcome by acupotomy were anatomical ignorance, contamination of device or hospital staff, failure to notice preexisting disease(cardiovascular disease, hypertension, renal failure, hemophilia, chronic Liver Disease, etc.), unskilled treatment procedures(massive bleeding) and techniques(nerve injury, hepatic and splenic injury, Pneumothorax). Conclusions : It is mandatory to prepare adequate sterilie aseptic technique. The clinician should ensure understand genernal health state of patient and anatomical direction.

  • PDF

의식개혁을 위해 인간공학에 의한 위험성 평가 기법 개발 : 반도체 산업을 중심으로 (Development of Risk Assessment by Ergonomics for Conscious Reform : Focused on the Semiconductor Industry)

  • 강영식;박범;윤용구
    • 산업경영시스템학회지
    • /
    • 제32권4호
    • /
    • pp.101-106
    • /
    • 2009
  • The unsafe act and unsafe condition is due to human error that experience 80% of safety accidents. Accordingly, one of the most important issues to reduce industrial accidents as a whole, is how to reduce the accident rate by the human error. Therefore, this paper describes the development of quantitative risk assessment (QRA) model by ergonomics for reform of safety consciousness on the semiconductor industry. Unconsciousness, disregard, ignorance, recklessness, and stress among the human factors are selected for conscious reform. Finally, the QRA model is efficiently expected to contribute towards improving continuous self-safety and health and safety culture campaign in order to prevent industrial accidents.

2개월간 식도에 체류하였던 백일 금반지 1례 (A Case of Gold Ring Lodged in Esophagus for 2 Months)

  • 김중환;오경균;정완교;이상기;김정배;길동석;서정하
    • 대한기관식도과학회:학술대회논문집
    • /
    • 대한기관식도과학회 1983년도 제17차 학술대회연제순서 및 초록
    • /
    • pp.6.1-6
    • /
    • 1983
  • 식도 이물은 순간적인 부주의로 우리생활 주변에서 흔히 볼 수 있으며 대부분의 경우 곧 제거하게 된다. 그러나 보호자의 무지, 환자가 연소자인 경우 및 치료자의 적극적인 진단이 결여된 경우 뒤늦게 발견되는 수가 있다. 최근 저자들은 생 후 5개월된 남아에서 백일기념 1돈중(3.75g중)금반지가 식도 제 2협착부에 2개월간 체류하였던 1례를 경험하였기에 보고하는 바이다.

  • PDF

양생조건에 따른 압출성형콘크리트 패널의 휨강도 특성 (Properties of Flexural Strength of Extrusion Molding Concrete Panel According to the Curing Conditions)

  • 정은혜;최훈국;김재원;서정필;박선규;김진만
    • 한국콘크리트학회:학술대회논문집
    • /
    • 한국콘크리트학회 2006년도 추계 학술발표회 논문집
    • /
    • pp.441-444
    • /
    • 2006
  • Extrusion molding concrete panel is cured two times, that is the steam curing at atmospheric pressure and a high-pressure steam curing(autoclaving). Steam curing at atmospheric pressure is done before autoclaving and to acquire the proper strength for treat in process. Though this curing is the important factor on the quality of product and the speed in manufacturing process, it was not evaluated properly so far. Because of ignorance about curing, some engineers even think that the dry curing is better than the steam curing. This study is to investigate the properties of specimen according to variation of curing conditions in the coring chamber such as laboratory scale, pilot plant, and commercial plant. As estimating, in case of steam curing at atmospheric pressure to make extrusion molding concrete panel, moisture curing is better than dry curing and the desirable maximum temperature in curing chamber is about $50^{\circ}C$.

  • PDF

Attributes and references to honey bees (Insecta; Hymenoptera; Apidae) and their products in some Asian and Australian societies' folkloristic domains

  • Meyer-Rochow, V.B.
    • Journal of Ecology and Environment
    • /
    • 제45권4호
    • /
    • pp.287-292
    • /
    • 2021
  • Background: References to insects in myths, stories, and idioms can be found in almost any culture, but with regard to references involving honey bee species in the Asia-Australian region, little information is available. Such references to bees can be highly informative by revealing attitudes of admiration, fear, ignorance, or even revulsion towards these insects. Results: The subject is briefly reviewed and examples of references to bees of selected cultural communities are given. Although folkloristic references to honey bees were found to be mostly positive highlighting fearlessness, cleverness, and industriousness of the bees, some also touch upon their ability to cause pain. Conclusions: Owing to the decreasing contacts and increasing alienization regarding insects generally, a plea is made to collect whatever information is still available about references to bees in songs, myths, stories, proverbs, and idioms and to compare such uses from different regions, e.g., North and South Korea. This would support other fields of research aiming to discover and to describe cultural relationships, migrations, and contacts between different peoples of the Asian/Australian region.

CONSTRUCTION LOST-TIME INJURIES IN LAOS: AN EXPLORATORY STUDY

  • Luu Truong Van;Soo-Yong Kim;Somsana T.K.P
    • 국제학술발표논문집
    • /
    • The 2th International Conference on Construction Engineering and Project Management
    • /
    • pp.229-238
    • /
    • 2007
  • This paper presents a study on construction safety in the People Democratic Republic of Laos (PDRL). Fifty workers experienced certain injuries in their construction sites and 15 top managers were interviewed in twenty-six construction projects in Vientiane, the capital of PDRL. Research results show that stepping on and/or striking against objects (48%), struck by falling objects (24%), falling of persons (12%) are major types of construction injuries. The paper stresses that the ignorance of top managers about their crucial role in safety improvement, using safety incentive to raise safety performance, lack of thorough understanding about benefit from labor safety performance, and the willingness to cut off safety performance expenditures is considered as obstructions of safety improvement programs. The survey indicates that physical working conditions, relationship among workers, foremen behaviors and the monthly wage were influencing factors to worker's job satisfaction. The study also highlights afternoon as dominant time that led to a large number of injuries.

  • PDF

PROPOSING MANAGEMENT OF WORK PRIORITY TO REDUCE CONSTRUCTION FAILURE CLAIMS

  • In-ho Kim;Moon-Seo Park;Hyun-Soo Lee
    • 국제학술발표논문집
    • /
    • The 1th International Conference on Construction Engineering and Project Management
    • /
    • pp.1171-1176
    • /
    • 2005
  • Dispute related to construction projects involving numerous persons is one of the biggest challenges faced by contractors today. It costs a substantial amount of money and time in resolving these kinds of claims. Recently, with the changes in the construction environment and thought of relation with owner, the number of construction claims has increased. But, a majority of these claims do not prevail, and in fact, frequently get dismissed in its entirety. The reasons for such dismissals include the ignorance about the claims, lack of clear and convincing evidence, and so on. But most of reasons are the claims are not managed well on construction process. This paper analyzes the failure causes by relying on past claim failure cases, and then drew works that have connection with failure causes through interview. It also presented importance degree of construction management works.

  • PDF

선행(善行)과 구원(救援)의 연관성 연구 (A study on the relation between good deed and salvation)

  • 김재천
    • 대순사상논총
    • /
    • 제18권
    • /
    • pp.135-148
    • /
    • 2004
  • Why do religions emphasize good deeds like charity or love? What kind of relation are there between good deeds and salvation? Early Buddhism stresses that the deed of mortal cannot escape retribution. And deeds are intentional act, so those are representation of mind. Therefore an issue of mind raises its head before action. The extinction of ignorance and thirsty gives rise to good mind, and the good mind produces good deed. Mahāyāna Buddhism accentuates charity. It signifies that the mind of oneself sympathizes the mind of others. That is impossible unless one throws away attachment to oneself. The alms deed makes that possible. In Roman Catholicism Ten Commandments assert absolute worship to god. The transcendental merits devaluate worldly ones, so the mind can obtain calmness. Protestant claims the one can acquire salvation only by faith. And the salvation leads human to good deed. In conclusion good deeds are not ways and means to mokṣa or grace, but identical with them in Early Buddhism and Mahāyāna Buddhism, and Roman Catholicism and Protestant.

  • PDF

아토피피부염 영아의 영양장애 사례보고와 채식주의에 관한 고찰 (Marasmus and Kwashiorkor by Nutritional Ignorance Related to Vegetarian Diet and Infants with Atopic Dermatitis in South Korea)

  • 정상진;한영신;정승원;안강모;박화영;이상일;조영연;최혜미
    • Journal of Nutrition and Health
    • /
    • 제37권7호
    • /
    • pp.540-549
    • /
    • 2004
  • Infants and children with food related Atopic Dermatitis (AD) need extra dietary efforts to maintain optimal nutrition due to food restriction to prevent allergy reactions. However, nutrition ignorance and food faddism make patients even more confused and practice desirable diet more difficult. The objective of this study was to report the AD patients' malnutrition cases in Korea. We report on 2 cases of severe nutritional deficiency caused by consuming macrobiotic diets which avoid processed foods and most animal foods, i.e. one of vegetarian diet. Case 1, a 12-month-old male child, was admitted with severe marasmus. Because of a history of AD, he was started on mixed grain porridge at 3 months without any breast milk or formula feeding. His caloric intake was 66% and protein intake was 69% of the recommended dietary allowance. Patient's height and weight was under 3th percentile. On admission the patient was unable to crawl or roll over. Case 2, a 9-month-old AD female patient, was diagnosed with kwashiorkor and rickets. She was also started on mixed grain porridge at 100 days due to AD. Her caloric intake has been satisfied recommended dietary allowance until 7 months, however, she conducted sauna bath therapy and reduced both energy and protein intake at 8 months. The amount of protein intake for case 2 was higher than recommended dietary allowance, but, sauna therapy and severe AD with intakes of low guality protein may increase patient's protein requirement resulting in kwashiorkor. Case 2 patient's height and weight was on 3th percentile. Both cases showed low intake of calcium, iron, zinc, vitamin A, vitamin E and especially very low intake of vitamin B$_{12}$ and vitamin D. Allergy tests for certain foods had not done prior to admission for both cases. They followed the dietary advise operated by macrobiotic diet internet site. In conclusion, AD infants' parents and caregivers should contact a pediatrician trained as a specialist in allergy for accurate diagnosis. For infant patients, breast or formula feeding including hypoallergenic formula should be continued until their one year of age. When certain foods need to be restricted or to follow special diets such as vegetarian diet, consultation with pediatrician and dietitian is needed.d.