分析了制造过程监控中工控组态平台应用与纯视觉监控系统存在的不足,对融合机器视觉的工控组态监控平台的开发与实现进行了研究,分析了工控组态监控平台实现机器视觉监控的技术需求,给出了融合机器视觉监控技术的工控界面可组态化架构设...分析了制造过程监控中工控组态平台应用与纯视觉监控系统存在的不足,对融合机器视觉的工控组态监控平台的开发与实现进行了研究,分析了工控组态监控平台实现机器视觉监控的技术需求,给出了融合机器视觉监控技术的工控界面可组态化架构设计,论述了在Visual Studio C++开发平台上实现机器视觉监控图元模块类在工控组态监控平台上的类继承方法,给出了实现机器视觉监控图元模块与工控组态监控平台上融合的开发实现流程。最后给出了融合机器视觉的工控组态监控平台的实现效果及其应用实例,结果表明设计的工控组态监控平台在应用上的可行性和在监控上的优势,为制造过程监控的组态化水平的提高起推动作用。展开更多
AIM:To evaluate the usefulness of differentially expressed proteins from colorectal cancer (CRC) tissues for differentiating cancer and normal tissues.METHODS:A Proteomic approach was used to identify the differential...AIM:To evaluate the usefulness of differentially expressed proteins from colorectal cancer (CRC) tissues for differentiating cancer and normal tissues.METHODS:A Proteomic approach was used to identify the differentially expressed proteins between CRC and normal tissues.The proteins were extracted using Tris buffer and thiourea lysis buffer (TLB) for extraction of aqueous soluble and membrane-associated proteins,respectively.Chemometrics,namely principal component analysis (PCA) and linear discriminant analysis (LDA),were used to assess the usefulness of these proteins for identifying the cancerous state of tissues.RESULTS:Differentially expressed proteins identified were 37 aqueous soluble proteins in Tris extracts and 24 membrane-associated proteins in TLB extracts.Based on the protein spots intensity on 2D-gel images,PCA by applying an eigenvalue > 1 was successfully used to reduce the number of principal components (PCs) into 12 and seven PCs for Tris and TLB extracts,respectively,and subsequently six PCs,respectively from both the extracts were used for LDA.The LDA classification for Tris extract showed 82.7% of original samples were correctly classified,whereas 82.7% were correctly classified for the cross-validated samples.The LDA for TLB extract showed that 78.8% of original samples and 71.2% of the cross-validated samples were correctly classified.CONCLUSION:The classification of CRC tissues by PCA and LDA provided a promising distinction between normal and cancer types.These methods can possibly be used for identification of potential biomarkers among the differentially expressed proteins identified.展开更多
The influence of ordered structure on the dislocation configuration,structure of anti-phase domain boundary,partial dislocation slips,etc.are analyzed in the background of promoting the plasticity of iron based ordere...The influence of ordered structure on the dislocation configuration,structure of anti-phase domain boundary,partial dislocation slips,etc.are analyzed in the background of promoting the plasticity of iron based ordered solid solutions with second-order phase transformation.The principles of deformation softening and annealing hardening in ordered solid solutions are discussed because of deformation induced structure disordering.It is concluded that the independent slip ability of the partial dislocations and the corresponding low temperature plasticity of ordered solid solutions could be promoted obviously by proper alloying effects,which reduces the anti-phase domain boundary energy,or by maintaining the disordering state into the low temperature range.The similar principles could be also used to modify the low temperature plasticity of other metal based ordered solid solutions.展开更多
The trees in urban landscapes, independent of whether they are in urban forests or stand alone,can improve environment quality, enhance individual and community well-being, provide a wide range ofservices to individua...The trees in urban landscapes, independent of whether they are in urban forests or stand alone,can improve environment quality, enhance individual and community well-being, provide a wide range ofservices to individuals and communities, and produce a more healthful and comfortable environment forthe vast majority of the population. Knowledge of the potential significance of trees in urban landscapesis expanding rapidly as research continues to document the important role that urban forests and trees canplay in improving the quality of urban life. The environmental conditions in urban landscapes are, however,very different from the natural conditions that the tree species are adapted to. This poses big challenges tothe urban forestry in its efforts to create healthy and valuable trees in urban landscapes. Only throughimplementing some important measures we can ensure high survival rate of saplings and well-being andlongevity of urban trees.展开更多
文摘分析了制造过程监控中工控组态平台应用与纯视觉监控系统存在的不足,对融合机器视觉的工控组态监控平台的开发与实现进行了研究,分析了工控组态监控平台实现机器视觉监控的技术需求,给出了融合机器视觉监控技术的工控界面可组态化架构设计,论述了在Visual Studio C++开发平台上实现机器视觉监控图元模块类在工控组态监控平台上的类继承方法,给出了实现机器视觉监控图元模块与工控组态监控平台上融合的开发实现流程。最后给出了融合机器视觉的工控组态监控平台的实现效果及其应用实例,结果表明设计的工控组态监控平台在应用上的可行性和在监控上的优势,为制造过程监控的组态化水平的提高起推动作用。
基金Supported by Research Universiti Grant,Grant No. 1001/PFAR MASI/815007
文摘AIM:To evaluate the usefulness of differentially expressed proteins from colorectal cancer (CRC) tissues for differentiating cancer and normal tissues.METHODS:A Proteomic approach was used to identify the differentially expressed proteins between CRC and normal tissues.The proteins were extracted using Tris buffer and thiourea lysis buffer (TLB) for extraction of aqueous soluble and membrane-associated proteins,respectively.Chemometrics,namely principal component analysis (PCA) and linear discriminant analysis (LDA),were used to assess the usefulness of these proteins for identifying the cancerous state of tissues.RESULTS:Differentially expressed proteins identified were 37 aqueous soluble proteins in Tris extracts and 24 membrane-associated proteins in TLB extracts.Based on the protein spots intensity on 2D-gel images,PCA by applying an eigenvalue > 1 was successfully used to reduce the number of principal components (PCs) into 12 and seven PCs for Tris and TLB extracts,respectively,and subsequently six PCs,respectively from both the extracts were used for LDA.The LDA classification for Tris extract showed 82.7% of original samples were correctly classified,whereas 82.7% were correctly classified for the cross-validated samples.The LDA for TLB extract showed that 78.8% of original samples and 71.2% of the cross-validated samples were correctly classified.CONCLUSION:The classification of CRC tissues by PCA and LDA provided a promising distinction between normal and cancer types.These methods can possibly be used for identification of potential biomarkers among the differentially expressed proteins identified.
基金supported by the Independent Research Project of the State Key Laboratory for Advanced Metals and Materials (Grant No. 2010z-12)
文摘The influence of ordered structure on the dislocation configuration,structure of anti-phase domain boundary,partial dislocation slips,etc.are analyzed in the background of promoting the plasticity of iron based ordered solid solutions with second-order phase transformation.The principles of deformation softening and annealing hardening in ordered solid solutions are discussed because of deformation induced structure disordering.It is concluded that the independent slip ability of the partial dislocations and the corresponding low temperature plasticity of ordered solid solutions could be promoted obviously by proper alloying effects,which reduces the anti-phase domain boundary energy,or by maintaining the disordering state into the low temperature range.The similar principles could be also used to modify the low temperature plasticity of other metal based ordered solid solutions.
文摘The trees in urban landscapes, independent of whether they are in urban forests or stand alone,can improve environment quality, enhance individual and community well-being, provide a wide range ofservices to individuals and communities, and produce a more healthful and comfortable environment forthe vast majority of the population. Knowledge of the potential significance of trees in urban landscapesis expanding rapidly as research continues to document the important role that urban forests and trees canplay in improving the quality of urban life. The environmental conditions in urban landscapes are, however,very different from the natural conditions that the tree species are adapted to. This poses big challenges tothe urban forestry in its efforts to create healthy and valuable trees in urban landscapes. Only throughimplementing some important measures we can ensure high survival rate of saplings and well-being andlongevity of urban trees.
