• 제목/요약/키워드: scientific-evidence-based

검색결과 321건 처리시간 0.029초

What the justification of idealizations in science tells us about the laws and language of nature

  • Davey, Kevin
    • 한국논리학회:학술대회논문집
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    • 한국논리학회 2008년도 하계학술 발표회
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    • pp.73-92
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    • 2008
  • Describing a physical system in idealized terms involves making literally false claims about the system. Given this, it is puzzling that justified beliefs about physical systems can be formed by starting with idealized descriptions and then performing mathematical calculations. I argue that this puzzling aspect of idealizations cannot be easily removed by introducing talk of approximations. I go on to develop an account of how this curious feature of idealizations is to be understood. My account requires us to reassess what precisely we take the laws of physics to be saying, and also has consequences concerning the kind of evidence we can have for thinking that mathematics is the 'language of nature'. Finally, some critical comparisons are made with the so-called model-based account of scientific laws developed by Cartwright and Giere.

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임플란트의 즉시 기능에 관한 최신 지견 (Immediate Loading of Implants ; Recent Review)

  • 김윤상
    • 구강회복응용과학지
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    • 제21권2호
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    • pp.191-204
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    • 2005
  • Traditionally, the implant treatment require load-free healing period of at least 3 months in the mandible and 6 months in the maxilla. But this long healing period provides patients with the discomfort and economical trouble. Many experiments has been attempted for the outcome of such disadvantage, so recently the immediate loaded implant is getting popularity. Several literature has been published for clinical success of immediate loaded implant. The studies for the success rate of immediate loaded implant in multi-way has been reporting, nevertheless, we don't have yet a probable success. Various studies have been practiced that the advantages and disadvantages associated with immediate loaded implant, and factors that may influence the success of immediate implant, including patient selection, type of bone quality, required implant length, structure of the implant, surgical skill, need for achieving primary stability, control of occlusal force, peri-implant bone activity. The objective of this study is to review the literature related to immediate loading of implants and to discuss factors that may influence this treatment modality, based on scientific evidence.

통합 종양학 시술 지침 (Integrative Oncology Practice Guidelines)

  • 유원승;이종훈;이연월;조종관;유화승
    • 대한암한의학회지
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    • 제12권1호
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    • pp.37-65
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    • 2007
  • The Society for Integrative Oncology (SIO) is an international organization established to encourage scientific evaluation, dissemination of evidence-based information, and appropriate clinical integration of complementary therapies (http://www.Integrativeonc.org.). Practice Guidelines were developed by the authors listed below and by the Executive Committee of the Society for Integrative Oncology, which approved this document. Guidelines are a work in progress; they will be updated as needed and are available on the SIO Web site as well: www.IntegrativeOnc.org.

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Issues Related to the Updated 2014 Korean Guidelines for Tuberculosis

  • Park, Jae Seuk
    • Tuberculosis and Respiratory Diseases
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    • 제79권1호
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    • pp.1-4
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    • 2016
  • Tuberculosis (TB) remains a major public health problem in South Korea. The Joint Committee for the Development of Korean Guidelines for Tuberculosis published the Korean Guidelines for Tuberculosis in 2011 to provide evidence-based practical recommendations to health care workers caring for patients with TB in South Korea. After reviewing recent national and international scientific data on TB, the committee updated the Korean guidelines for TB in 2014. This article presents some practical issues related to the 2014 updated guidelines: namely use of the Mycobacterium tuberculosis-polymerase chain reaction assay and the Xpert MTB/RIF assay in the diagnosis of TB, as well as medical treatment for patients with multidrug-resistant TB.

RELIABILITY TEST DESIGN Of REMANUFACTURED STEERING GEAR OIL SEAL

  • ;정도현;송현석
    • 한국신뢰성학회:학술대회논문집
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    • 한국신뢰성학회 2011년도 춘계학술발표대회 논문집
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    • pp.265-270
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    • 2011
  • This paper describes a reliability/durability test of the remanufactured steering gear units. There used to be government restrictions to remanufacture certain types of automotive components regarding safety of passengers. Nevertheless, scientific approach to sustainability and remanufacturing process provided solid evidence of highly beneficial sides of reusing the products. Failure mode analysis of the steering gear unit is performed and main failure is found out. The unit is remanufactured by fixing the failure and its quality is assessed through designing a new sequence of loading events. Oil leakage is witnessed as a possible failure and its volume is measured. Conclusions based on laboratory condition durability test are given at the end.

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커피관장요법의 임상적용에 대한 문헌적 고찰 (Overview for clinical use of coffee enema using literatures)

  • 오수정;조정효;손창규
    • 혜화의학회지
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    • 제22권2호
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    • pp.37-45
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    • 2014
  • Recently, interest in detoxification therapies is increasing. Coffee enema has been most frequently used as one of detoxification therapies. However, there is lack of scientific basis for coffee enema, regarding its clinical efficacy and safety respectively. This study aimed to produce the general features of coffee enema such as definition, protocols, clinical applications and efficacies, and side effects. Total 37 articles coffee enema were collected from 7 databases including PubMed, and reviewed thoroughly. The majority of papers were review studies or case reports for effects/side-effects of coffee enema. The quality of papers was generally poor, and no randomized controlled clinical trial (RCT) was exist. This study shows the current status of coffee enema-related study, and suggests the demand for RCT study to develop the evidence-based detoxification therapy using coffee enema.

Saponin이 Alkaloid 추출에 미치는 영향 -Aconite alkaloids에 대하여- (The Influences of Saponin on the Extraction of Aconite Alkaloids)

  • 김병각
    • 생약학회지
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    • 제2권1호
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    • pp.35-37
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    • 1971
  • In oriental drug therapy it has been considered by experience that the intoxication of alkaloids may be controlled by some drugs, and this was not based on scientific evidence. These drugs would contain saponins, as saponins are widely distributed in many vegetable drugs and, therefore, the present experiment was undertaken to find out if effects of saponin on the extracting process of aconite alkaloids could decrease the amount of the alkaloids. The data obtained in the extractions using various concentrations of saponin solution, show a decrease in alkaloid extract, suggesting that saponin forms a less soluble complex with the alkaloids or acts as a detergent.

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치주질환 및 임플란트 주위 질환의 새 분류 (A new classification of periodontal and peri-implant disease)

  • 신현승
    • 대한치과의사협회지
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    • 제57권12호
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    • pp.758-767
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    • 2019
  • The classification of periodontal disease in 1999 has been widely used for determining a diagnosis, establishing a treatment plan, and evaluating the prognosis of the patient with periodontal disease. However, scientific evidence from many studies indicates the need for a new classification system for periodontal and peri-implant disease. Summary at 2017 world workshop as follows: 1) Periodontal health and peri-implant health was defined; 2) Chronic periodontitis and aggressive periodontitis were unified as periodontitis; 3) Periodontitis was further classified by staging and grading to reflect disease severity and management complexity, rate of disease progression, respectively; 4) Periodontal disease as manifestation of systemic disease is based on the International Statistical Classification of Diseases and Related Health Problems-10 (ICD-10) code; 5) Periodontal biotype and biologic width was replaced to periodontal phenotype and supracrestal tissue attachment, respectively; 6) The excessive occlusal force was replaced by a traumatic occlusal force; 7) ≥3 mm of radiographic bone loss, ≥6 mm of pocket probing depth and bleeding on probing indicates peri-implantitis in the absence of radiograph at final prosthesis delivery.

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유산균 Probiotics와 장내 건강 (Probiotics and Intestinal Health)

  • 방미선;이상대;오세종
    • Journal of Dairy Science and Biotechnology
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    • 제30권2호
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    • pp.139-143
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    • 2012
  • For human including newborn baby, the intestinal microbiota can play an important role in the development of the intestinal mucosa and in maintaining the balance of the immune cells. Important functions of the intestinal microbiota include the inhibition of the colonization of the intestine by potentially pathogenic microorganisms. Thus, the research of probiotics have been focused on the prevention and treatment of disorders associated with the gastrointestinal tract (GIT), including pathogen infection, traveler's diarrhea, antibiotic-associated diarrhea, and constipation. Probiotics have also been suggested as therapeutic agents against irritable bowel syndrome and inflammatory bowel diseases. An increasing amount of evidence from clinical studies suggests that they are effective in the prevention of atopic allergies and may have potential anti-carcinogenic effects. Until recent years many scientific research for this use has been based on empirical observations. Therefore, probiotics in the form of fermented milk products have been long part of attempts to maintain good health in world wide.

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The Human Brain and Information Science: Lessons from Popular Neuroscience

  • Sturges, Paul
    • International Journal of Knowledge Content Development & Technology
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    • 제3권1호
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    • pp.19-29
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    • 2013
  • Insights from the recent wealth of popular books on neuroscience are offered to suggest a strengthening of theory in information science. Information theory has traditionally neglected the human dimension in favour of 'scientific' theory often derived from the Shannon-Weaver model. Neuroscientists argue in excitingly fresh ways from the evidence of case studies, non-intrusive experimentation and the measurements that can be obtained from technologies that include electroencephalography, positron emission tomography (PET), functional magnetic resonance imaging (fMRI), and magnetoencephalography (MEG). The way in which the findings of neuroscience intersect with ideas such as those of Kahneman on fast and slow thinking and Csikszentmihalyi on flow, is tentatively explored as lines of connection with information science. It is argued that the beginnings of a theoretical underpinning for current web-based information searching in relation to established information retrieval methods can be drawn from this.