Among the different parts of speech in each language,verbs are usually the most complicated and difficult to understand and master.This paper attempts to classify and analyze English verbs from a semantic perspective,...Among the different parts of speech in each language,verbs are usually the most complicated and difficult to understand and master.This paper attempts to classify and analyze English verbs from a semantic perspective,esp.to have a semantic analysis of the grammatical concept of the progressive aspect of English verbs,so as to raise students’awareness of the relationship between semantics and grammar,and thus to help students have a deeper understanding and mastery of the grammatical rules in future English teaching.展开更多
Objective:This study aims to explore the metabolic mechanism of the liver protective effect of an aqueous extract of Gei Herba(AEG)in blood deficiency(BD)mice.Methods:The BD mouse model was established by acetylphenyl...Objective:This study aims to explore the metabolic mechanism of the liver protective effect of an aqueous extract of Gei Herba(AEG)in blood deficiency(BD)mice.Methods:The BD mouse model was established by acetylphenylhydrazine and cyclophosphamide.A total of forty-eight female Kunming mice(18–22 g)were randomly assigned to six groups:a control group,a BD model group,a positive drug group(Danggui Yixue oral liquid),and three AEG treatment groups receiving a daily AEG dose of 1,2,4 g/kg for nine days.The serum levels of alanine aminotransferase(ALT)and aspartate aminotransferase(AST),and the protein expression of IL-1,IL-2,IL-3 and TNF-αwere determined by enzyme-linked immunosorbent assay.The liquid chromatography-mass spectrometry(LC-MS)based metabolomics was used to identify liver metabolites,and the MetaboAnalyst platform was used to analyze the metabolic pathways.Results:AEG reduced serum AST,increased IL-1,IL-2,IL-3 and decreased TNF-αto effectively alleviate liver damage in BD mice.Furthermore,metabolomics analysis revealed that the disordered mice liver metabolic profile was corrected after AEG treatment,five differential metabolites were upregulated,and the mechanism was mainly related to increasing the primary bile acid biosynthesis.Conclusion:AEG has a regulatory effect on abnormal liver metabolism in BD mice.展开更多
GEIS(Grid Based Emergency Inter-Act System)是一个基于主体网格的城市应急联动与社会综合服务系统,通过主体网格和通信系统将治安、消防、卫生急救、交通、公共设施、自然灾害等突发事件的应急联动与综合服务,调度集成在一个管理平台...GEIS(Grid Based Emergency Inter-Act System)是一个基于主体网格的城市应急联动与社会综合服务系统,通过主体网格和通信系统将治安、消防、卫生急救、交通、公共设施、自然灾害等突发事件的应急联动与综合服务,调度集成在一个管理平台中,通过共享指挥平台和基础信息,实现统一接处警,统一指挥、联合行动、快速反应、为市民提供更加便捷的紧急救援及相关服务,为政府科学决策和处置各种紧急与灾害事件提供技术支持,为城市公共安全提供技术保障。GEIS的一个突出优势是将范例推理(Case Base Reasoning,CBR)与规则推理(Rule Base Reasoning,RBR)两种人工智能技术相结合,实现了快速预案生成系统。它能在紧急情况发生的时候,为应急部门提供快速的辅助预案支持,为科学决策打下良好基础。目前,GEIS已经应用到抗洪抢险和交通事故处理中,效果表明它具有跨平台性好,稳定性强,响应速度快,易操作的独特优势。展开更多
文摘Among the different parts of speech in each language,verbs are usually the most complicated and difficult to understand and master.This paper attempts to classify and analyze English verbs from a semantic perspective,esp.to have a semantic analysis of the grammatical concept of the progressive aspect of English verbs,so as to raise students’awareness of the relationship between semantics and grammar,and thus to help students have a deeper understanding and mastery of the grammatical rules in future English teaching.
文摘Objective:This study aims to explore the metabolic mechanism of the liver protective effect of an aqueous extract of Gei Herba(AEG)in blood deficiency(BD)mice.Methods:The BD mouse model was established by acetylphenylhydrazine and cyclophosphamide.A total of forty-eight female Kunming mice(18–22 g)were randomly assigned to six groups:a control group,a BD model group,a positive drug group(Danggui Yixue oral liquid),and three AEG treatment groups receiving a daily AEG dose of 1,2,4 g/kg for nine days.The serum levels of alanine aminotransferase(ALT)and aspartate aminotransferase(AST),and the protein expression of IL-1,IL-2,IL-3 and TNF-αwere determined by enzyme-linked immunosorbent assay.The liquid chromatography-mass spectrometry(LC-MS)based metabolomics was used to identify liver metabolites,and the MetaboAnalyst platform was used to analyze the metabolic pathways.Results:AEG reduced serum AST,increased IL-1,IL-2,IL-3 and decreased TNF-αto effectively alleviate liver damage in BD mice.Furthermore,metabolomics analysis revealed that the disordered mice liver metabolic profile was corrected after AEG treatment,five differential metabolites were upregulated,and the mechanism was mainly related to increasing the primary bile acid biosynthesis.Conclusion:AEG has a regulatory effect on abnormal liver metabolism in BD mice.
文摘GEIS(Grid Based Emergency Inter-Act System)是一个基于主体网格的城市应急联动与社会综合服务系统,通过主体网格和通信系统将治安、消防、卫生急救、交通、公共设施、自然灾害等突发事件的应急联动与综合服务,调度集成在一个管理平台中,通过共享指挥平台和基础信息,实现统一接处警,统一指挥、联合行动、快速反应、为市民提供更加便捷的紧急救援及相关服务,为政府科学决策和处置各种紧急与灾害事件提供技术支持,为城市公共安全提供技术保障。GEIS的一个突出优势是将范例推理(Case Base Reasoning,CBR)与规则推理(Rule Base Reasoning,RBR)两种人工智能技术相结合,实现了快速预案生成系统。它能在紧急情况发生的时候,为应急部门提供快速的辅助预案支持,为科学决策打下良好基础。目前,GEIS已经应用到抗洪抢险和交通事故处理中,效果表明它具有跨平台性好,稳定性强,响应速度快,易操作的独特优势。