By applying genetic algorithms (GA) to on-line identification of linear time-varying systems; a number of modifications are made to the Simple Genetic Algorithm to improve the performance of the algorithm in identific...By applying genetic algorithms (GA) to on-line identification of linear time-varying systems; a number of modifications are made to the Simple Genetic Algorithm to improve the performance of the algorithm in identification applications. The simulation results indicate that the method is not only capable of following the changing parameters of the system, but also has improved the identification accuracy compared with that using the least square method.展开更多
Polysaccharide produced from medicinal endophytic fungus not only has applications in foods,but also exhibits multiple biological activities.In this work,an endophytic fungus Chaetomium globosum CGMCC 6882 could use c...Polysaccharide produced from medicinal endophytic fungus not only has applications in foods,but also exhibits multiple biological activities.In this work,an endophytic fungus Chaetomium globosum CGMCC 6882 could use corn stover to produce a polysaccharide(GCP-SC)by consolidated bioprocess and the titer of GCP-SC reached 3.2 g/L.The transcriptional levels of genes related to cellulose degradation(cbh,cdh,glu and egl)in C.globosum CGMCC 6882 were 4.38,3.85,3.13,and 2.17 folds compared to the control group when corn stover was used as the sole carbon source.Moreover,GCP-SC showed a time-and dose-dependent manner of inhibitory effect on A549 cells and the inhibitory rate reached 93.3%.This work provides meaningful data on agricultural residues utilization and facilitation of future relative resource conversion studies.展开更多
文摘By applying genetic algorithms (GA) to on-line identification of linear time-varying systems; a number of modifications are made to the Simple Genetic Algorithm to improve the performance of the algorithm in identification applications. The simulation results indicate that the method is not only capable of following the changing parameters of the system, but also has improved the identification accuracy compared with that using the least square method.
基金supported by the Natural Science Foundation of Youth Support Plan of Henan University of Technology (2017QNJH10)High Level Research Fund for Qualified People of Henan University of Technology (2017BS011)the Natural Science Foundation of Henan Province Education Department (19A180015)
文摘Polysaccharide produced from medicinal endophytic fungus not only has applications in foods,but also exhibits multiple biological activities.In this work,an endophytic fungus Chaetomium globosum CGMCC 6882 could use corn stover to produce a polysaccharide(GCP-SC)by consolidated bioprocess and the titer of GCP-SC reached 3.2 g/L.The transcriptional levels of genes related to cellulose degradation(cbh,cdh,glu and egl)in C.globosum CGMCC 6882 were 4.38,3.85,3.13,and 2.17 folds compared to the control group when corn stover was used as the sole carbon source.Moreover,GCP-SC showed a time-and dose-dependent manner of inhibitory effect on A549 cells and the inhibitory rate reached 93.3%.This work provides meaningful data on agricultural residues utilization and facilitation of future relative resource conversion studies.
