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最大化多相各向异性导体的第一特征值:凸化与均匀化
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作者 楼红卫 尹雪元 《中国科学:数学》 CSCD 北大核心 2018年第10期1395-1414,共20页
为使一类代表着几种各向异性材料混合物的椭圆型算子的第一特征值达到最大,本文考虑凸化问题和均匀化意义下的松弛问题.本文发现这两种问题的解在某种意义上是等同的,并建立了存在性结果和必要条件.
关键词 最优化 最优控制 复合材料 特征值 均匀化 各向异性
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On Singular Sets of Local Solutions to p-Laplace Equations 被引量:1
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作者 hongwei lou 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2008年第5期521-530,共10页
The author proves that the on the singular set of a local solution to existence of an optimal control problem. right-hand term of a p-Laplace equation is zero the equation. Such a result is used to study the
关键词 Singular set p-Laplace equation Optimal control EXISTENCE
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Hazards of trichloroethylene on the liver in animals:A systematic review and meta-analysis
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作者 hongwei lou Jianghong Yang +1 位作者 Qinghong Liu Qin Yang 《Emerging Contaminants》 CSCD 2024年第4期1-15,共15页
A systematic review and meta-analysis were conducted,aiming to establish a scientifically grounded understanding of trichloroethylene(TCE)-induced hepatotoxicity.Relevant studies published prior to February 29,2024 we... A systematic review and meta-analysis were conducted,aiming to establish a scientifically grounded understanding of trichloroethylene(TCE)-induced hepatotoxicity.Relevant studies published prior to February 29,2024 were meticulously searched.The standardized mean difference(SMD)was employed to assess the correlation between the control group and the TCE exposure group,while heterogeneity was quantified using the I^(2)index.After a thorough screening and exclusion process,a total of 57 articles met the eligibility criteria.Important parameters pertaining to liver health,such as ALT,AST,TNF-α,IL-1β,and others,were analyzed,resulting in the identification of 40 parameters related to liver injury.The results revealed that GLB,ALP,CYP2E1,GR,IL-6(mRNA),and TGF-β(mRNA)did not exhibit statistically significant differences(P>0.05).However,high heterogeneity was observed in indicators other than F4/80,EGR1(mRNA),and MDA-protein adducts(P<0.1,I2>50%).Notably,TCE exposure significantly increased the activity of ALT,AST,LDH,as well as the expression levels of TNF-α,IL-1β,TNFR1,IL-6,P65,P-P65,F4/80,IFN-γ,iNOS,C3a,TNF-α(mRNA),IL-1β(mRNA),IL-6R(mRNA),GP130(mRNA),EGR1(mRNA),CCL2(mRNA),CCL5(mRNA),iNOS(mRNA),liver coefficient,MDA,anti-dsDNA,MDA protein adduct,anti-MDA protein adduct antibody,and ANA.Conversely,TCE exposure decreased the activities of CAT,GPx,SOD,as well as the expression levels of Nrf2,TP,ALB,and GSH.Additionally,this study provided a comprehensive review of the two mechanisms underlying liver injury following TCE exposure.In conclusion,our findings furnish compelling evidence that TCE exposure induces liver injury,as man-ifested by alterations in various physiological indicators,including cytokines and oxidative stress-related markers,among others. 展开更多
关键词 TRICHLOROETHYLENE Liver injury Systematic review META-ANALYSIS
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