• Title/Summary/Keyword: 반응도(R)

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A Study on the Project Manager's Reaction to R&D Evaluation and Its Influencing Factors (연구과제 평가에 대한 과제책임자의 반응과 그 영향요인에 관한 연구)

  • 김인철;한도희
    • Journal of Korea Technology Innovation Society
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    • v.3 no.2
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    • pp.48-60
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    • 2000
  • An effort has been made in this paper to measure the project manager's reaction to R&D project evaluation and present the useful information related to rebuilding an R&D evaluation system. Results of this study show that project manager's reaction is related to the selection of reasonable items for evaluation, the rater's expertise, the project manager's participation in evaluation process and so on. Accordingly, managers of the research institute have to set up the evaluation system after deeply considering these results.

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STUDIES ON THE AGGLUTINATION REACTION OF BRUCELLA R-FORM BY ACRIFLAVIN AND HEAVY METAL IONS (Acriflavine 및 중금속이온반응에 의한 Brucella R형균 검출에 관한 연구)

  • Kang Byong-Kyu
    • Journal of the korean veterinary medical association
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    • v.10 no.1
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    • pp.13-23
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    • 1966
  • 1. To evaluate the quantitative relationship between S-R variation in 8r. abortus strain 19 and Br. melitensis 16 M induced by homologous immune serum treatment was studied by means of tube agglutination reaction with acriflavine add various heavy metal i

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Korean Dust Prediction using R Machine Learning Software (R기계학습 소프트웨어를 이용한 미세먼지 예측)

  • Jang, Jae-Ho
    • Proceedings of the Korea Information Processing Society Conference
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    • 2019.05a
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    • pp.491-492
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    • 2019
  • 최근, 한국에서는 사람들이 미세먼지로 많은 고통을 받고 있으며, 특히, 초미세먼지(PM2.5)의 경우에는 생성될 때, 화학적인 2차 반응에 의하여 생성되는 것으로 여겨지고 있다. 본 논문에서는 R에서 제공하는 기계학습 프로그램을 이용하여 초미세먼지를 예측하기 위한 실험을 진행하였다. R소프트웨어는 빅데이터 및 통계 분석을 위해서 많이 사용되고 있는 프로그램이다. 최근에는 인공지능의 기계학습을 위한 기능도 제공하고 있는데, 데이터 예측을 할 때, 사용하면 매우 유용하다.

Predictions of VO2max Using Metabolical Responses in Submaximal Exercise and 1,200 m Running for Male, and the Validity of These Prediction Models (성인 남성의 최대하 운동시 대사반응 및 1,200 m 달리기 기록을 이용한 최대산소섭취량 추정식 개발 및 타당도)

  • Im, J.H.;Jeon, Y.J.;Jang, H.K.;Kim, H.J.;Kim, K.H.;Lee, B.K.
    • Exercise Science
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    • v.21 no.2
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    • pp.231-242
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    • 2012
  • The purpose of this study was to develop the prediction model of VO2max using submaximal metabolic responses from the Bruce protocol, HR responses at several stages and 1,200 m running record, and to compare and analyse the validity of these prediction models. The subjects were consisted of 255 male(133 male for 1,200 m running). They were participated maximal exercise testing with Bruce protocol, and the metabolic responses were measured in the end of the first(3 minute), second stage(6 minute), and 1,200 m running record. Measurement items were VO2(㎖/kg/min), VCO2(㎖/kg/min), VE(L/min), HR(bpm) of 3 and 6 minute, time to HR 150 bpm and 170 bpm, HR difference between Bruce protocol 6 and 3 minute, 1,200 m running record. Analyzing with all variables using enter method, the multiple R of total variable model was 0.642(p<.01), SEE was 4.38 ㎖/kg/min, CV was 10.8 %, but multicolinearity was appeared. The multiple R of 3 minutes model 1 and model 2 were 0.341 and 0.461, SEE was 6.05 and 5.72 ㎖/kg/min, CV was 14.9 and 14.1%, and multicolinearity did not appeared. The multiple R of 6 minutes model 1 and model 2 were 0.350 and 0.456, SEE was 6.03 and 5.74 ㎖/kg/min, CV was 14.9 and 14.2%, and multicolinearity did not appeared. The R of HR 170 and HR 170 model were 0.151 and 0.154, SEE were 6.36~6.37 ㎖/kg/min, CV were 15.7%. The R of 1,200 m running model was 0.444, SEE was 4.82 ㎖/kg/min, CV were 11.9%. In conclusion, with considering usefulness and convenience through the validity of these prediction models, the prediction model of VO2max recommended 6 and 3 minute model, and the validity of HR model and 1,200 m running model were moderately low.

Phosphate Deficiency Stress Response Mediated by Pho Regulon in Bacillus subtilis (Bacillus subtilis의 Pho Regulon을 통한 인산 결핍 스트레스 반응)

  • Park, Jae-Yong
    • Korean Journal of Microbiology
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    • v.46 no.2
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    • pp.113-121
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    • 2010
  • Bacillus subtilis PhoP-PhoR two-component system (TCS) senses phosphate deficiency conditions, and then controls expression of the Pho regulon to prolong survival. The sensor histidine kinase, PhoR, is autophosphorylated and transfers the phosphate to the response regulator, PhoP. Phosphorylated PhoP (PhoP~P) binds to repeated 6-bp consensus PhoP binding sequences of Pho regulon promoters and activates or represses gene expression. Pho signal transduction systems are part of interconnected signal transduction network involving at least three TCSs (PhoP-PhoR, ResD-ResE TCS, SpoOA phosphorelay), a global carbon metabolism regulator (CcpA), and transition state regulators (AbrB, ScoC). In addition, PhoP-PhoR TCS is cross related with YycF-YycG TCS by cross-regulation. While indescribable progress has been made in understanding phosphate deficiency stress response through refined expression of the Pho regulon in the recent past years, many important questions still remain. Solving these questions may provide important information for application study using B. subtilis.