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In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Keywords: Anticontrast-orthogonality cluster Contrast-orthogonality cluster analysis(More)
Blocking is an effective method for reducing systematic variations and increasing the precision of effect estimation when the experimental units are not homogeneous. Clear two-factor interactions (2fi's) can be estimated under the weak assumption that interactions involving three or more factors can be ignored. Some theoretical results on the existence of(More)
By analyzing the causes and influencing factors of carbonation of concrete, the RBF neural network model for predicting carbonation depth of concrete is founded. And actual data is analyzed through an example and results are compared with the BP network model. The testing results show that RBF network model for predicting carbonation depth of concrete can(More)
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