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Calculation of Empirical and True Maintenance Coefficients by Flux Balance Analysis 被引量:2
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作者 马红武 赵学明 郭晓峰 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2002年第1期89-92,共4页
The stoichiometric matrix of a simplified metabolic network inBacillus Subtillis was constructed from the flux balance equations,which were used for reconciliation of the measured rates anddetermination of the inner m... The stoichiometric matrix of a simplified metabolic network inBacillus Subtillis was constructed from the flux balance equations,which were used for reconciliation of the measured rates anddetermination of the inner metabolic rates. Thus more reliableresults of the true and empirical maintenance coefficients wereobtained. The true maintenance coefficient is linearly related to thespecific growth rate and changes with the P/O ratio. The measuredbiomass yield of adenosine triphosphate (ATP) is also linearlyrelated to the P/O ratio. 展开更多
关键词 maintenance coefficient flux balance analysis metabolic network biomass yield
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Analysis of Data on Xanthan Fermentation in Stationary Phase Using Black Box and Metabolic Network Models 被引量:2
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作者 马红武 赵学明 唐寅杰 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 1999年第4期321-325,共5页
The xanthan fermentation data in the stationary phase was analyzed using the black box and the metabolic network models. The data consistency is checked through the elemental balance in the black box model. In the met... The xanthan fermentation data in the stationary phase was analyzed using the black box and the metabolic network models. The data consistency is checked through the elemental balance in the black box model. In the metabolic network model, the metabolic flux distribution in the cell is calculated using the metabolic flux analysis method, then the maintenance coefficients is calculated. 展开更多
关键词 xanthan fermentation black box model metabolic flux analysis maintenance coefficients
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Metric Based Evaluation and Improvement of Software Designs
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作者 Charles W. Butler 《Journal of Software Engineering and Applications》 2021年第8期389-399,共11页
The demand for quality software expands as the business environment grows internationally. Common to all software development methodologies is a design phase that focuses on the physical software model. Design criteri... The demand for quality software expands as the business environment grows internationally. Common to all software development methodologies is a design phase that focuses on the physical software model. Design criteria used to evaluate these models are important for refinement and improvement. The purpose of this research is to apply transformations of McCabe’s cyclomatic complexity as a means for improving software design and assessing risks within a design. In this research, two metrics, the management (<em>C<sub>MGT</sub></em>) and maintenance (<em>C<sub>MN</sub></em>) coefficients are introduced, and they are used to address the architectural, size, and quality dimensions of a software design. 展开更多
关键词 Design Evaluation Cyclomatic Complexity Essential Complexity Module Design Complexity maintenance coefficient Management coefficient
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