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Fast source mask co-optimization method for high-NA EUV lithography

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Opto-Electronic Advances 2024年第4期7卷 44-54页

作者： Ziqi li lisong Dong Xu Ma Yayi Wei EDA Center Institute of Microelectronics of Chinese Academy of SciencesBeijing 100029China Key Laboratory of Photoelectronic Imaging Technology and System of Ministry of Education of China School of Optics and PhotonicsBeijing Institute of TechnologyBeijing 100081China University of Chinese Academy of Sciences Beijing 100049China Guangdong Greater Bay Area Applied Research Institute of Integrated Circuit and Systems Guangzhou 510700China

Extreme ultraviolet(EUV)lithography with high numerical aperture(NA)is a future technology to manufacture the integrated circuit in sub-nanometer ***,source mask co-optimization(SMO)is an extensively used approach for advanced lithography process beyond 28 nm technology *** work proposes a novel SMO method to improve the image fidelity of high-NA EUV lithography system.A fast high-NA EUV lithography imaging model is established first,which includes the effects of mask three-dimensional structure and anamorphic ***,this paper develops an efficient SMO method that combines the gradient-based mask optimization algorithm and the compressivesensing-based source optimization algorithm.A mask rule check(MRC)process is further proposed to simplify the optimized mask *** illustrate that the proposed SMO method can significantly reduce the lithography patterning error,and maintain high computational efficiency.

关键词： computational lithography high-NA EUV lithography source-mask co-optimization lithography imaging model

Evaluating soil acidification risk and its effects on biodiversity–ecosystem multifunctionality relationships in the drylands of China

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Forest Ecosystems 2024年第2期11卷 162-171页

作者： Lan Du Shengchuan Tian Nan Zhao Bin Zhang Xiaohan Mu lisong Tang Xinjun Zheng Yan li State Key Laboratory of Desert and Oasis Ecology Xinjiang Institute of Ecology and GeographyChinese Academy of SciencesUrumqi830011XinjiangChina University of Chinese Academy of Sciences Beijing100049China Fukang Station of Desert Ecology Chinese Academy of SciencesFukang831505XinjiangChina State Key Laboratory of Subtropical Silviculture Zhejiang A and F UniversityHangzhou311300ZhejiangChina

Background:Soil acidifcationn caused by anthropogenic activities may aft soil biochemical cydling,bidiversity,productivity,and multiple eosystem-related functions in ***,to date,such information is lacking to support this *** Based on a transect survey of 78 naturally assembled shrub communities,we caloulated acid deposition flux in Northwest China and evaluated its likely ecological ffets by testing three altemnative hypotheses,namely:.nidche complementarity,mass ratio,and vegetation quantity hypotheses Rao's quadratic entopy and community-weighted mean traits were employed to represent the complementary aspect of niche complementarity and mass ratio effects,***:We observed that in the past four decades,the concentrations of exchangeable base cations in soil in Northwest China have decreased significantly to the extent of having faced the risk of depletion,whereas changes in the calium carbonate content and pH of soil were not *** deposition primani ly increased the aboweground biomass and shrub density in shrublands but had no sigmificant effect on shrub richness and ecasystem multifunctionality(EMF),indicating that acid deposition had positive but weak ecological effects on dryland *** wd ghted mean of functional traits(representing the mass ratio hypothesis)correlated negatively with EMF,whereas both Rao's quadratic entropy(representing the niche complementarity hypothesis)and aboveground biomass(representing the vegetation quantity hypothesis)correlated positively but insignifcantly with *** biodiversity-EMF relationships highlight the fragility and instability of drylands relative to forest ***:The findings from this study serve as important reference points to understand the ris of soil acidification in arid regions and its impacts on biodiversity-EMF relationships.

关键词： Soil acidification risk Biodiversity Ecosystem multifunctionality Niche complementarity hypothesis Mass ratio hypothesis Vegetation quantity hypothesis

Climate and topography regulate the spatial pattern of soil salinization and its effects on shrub community structure in Northwest China

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Journal of Arid Land 2024年第7期16卷 925-942页

作者： DU Lan TIAN Shengchuan ZHAO Nan ZHANG Bin MU Xiaohan TANG lisong ZHENG Xinjun li Yan State Key Laboratory of Desert and Oasis Ecology Xinjiang Institute of Ecology and GeographyChinese Academy of SciencesUrumqi 830011China University of Chinese Academy of Sciences Beijing 100049China Fukang Station of Desert Ecology Chinese Academy of SciencesFukang 831505China State Key Laboratory of Subtropical Silviculture Zhejiang A&F UniversityHangzhou 311300China

Soil salinization may affect biodiversity and species composition,leading to changes in the plant community ***,few studies have explored the spatial pattern of soil salinization and its effects on shrub community structure at the ecosystem ***,we conducted a transect sampling of desert shrublands in Northwest China during the growing season(June–September)in *** salinization(both the degree and type),shrub community structure(e.g.,shrub density and height),and biodiversity parameters(e.g.,Simpson diversity,Margalf abundance,Shannon-Wiener diversity,and Pielou evenness indices)were used to assess the effects of soil salinization on shrub community *** results showed that the primary degree of soil salinization in the study area was light salinization,with the area proportion of 69.8%.Whereas the main type of soil salinization was characterized as sulfate saline soil,also accounting for 69.8%of the total ***,there was a significant reduction in the degree of soil salinization and a shift in the type of soil salinization from chloride saline soil to sulfate saline soil,with an increase in *** mean annual precipitation(MAP),mean annual evapotranspiration(MAE),elevation,and slope significantly contributed to soil salinization and its geochemical *** soil salinization intensified,shrub community structure displayed increased diversity and evenness,as indicated by the increases in the Simpson diversity,Shannon-Wiener diversity,and Pielou evenness ***,the succulent stems and leaves of Chenopodiaceae and Tamaricaceae exhibited clear advantages under these ***,regional climate and topography,such as MAP,MAE,and elevation,had greater effects on the distribution of shrub plants than soil *** results provide a reference for the origin and pattern of soil salinization in drylands and their effects on the community structure of halophyte shrub species.

关键词： soil salinization halophytes shrubland climate change biodiversity drylands Northwest China

Comparative study of the effects of Tartary buckwheat seed and sprout consumption on the physiological indices and gut microbiota of C57BL/6J mice

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Food Science and Human Wellness 2024年第2期13卷 791-800页

作者： Guohui Nan Haixia Zhao Qiong Wu lisong liu Zichao Guan Chenglei li Huala Wu Dabing Xiang Qi Wu College of life Science Sichuan Agricultural UniversityYa'an 625014China Faculty of Quality Management and Inspection&Quarantine Yibin UniversityYibin 644000China College of Pharmacy and Biological Engineering Chengdu UniversityChengdu 610106China

Tartary buckwheat(Fagopyrum tataricum)is a well-known pseudocereal for its health and economic ***,abundant antinutritional factors(ANFs)reduces its health *** reported,germination can improve the nutritional profile of *** this study,we systematically evaluate the safety of Tartary buckwheat seeds(TB)and Tartary buckwheat sprouts(TBS)used as high active *** evaluating nutrition levels,bioactive compounds and ANFs in TBS during germinating,5^(th)-day TBS were selected as the raw material.C57BL/6J mice were gavaged daily with distilled water,TB,or TBS for 6 *** physiological indices related to ANFs were *** showed that the TB intake tends to generate negative effects on the gut microbiota,and ***,upon TB intake,the Fe^(3+)content in serum,trypsin activity in pancreas and jejunum decreased,while the cytokine,IgE,and histamine levels in serum,water content in faeces,cytokine levels in liver and jejunum ***,TBS did not induce any obvious negative effects on the above relevant indices and showed better lipid-lowering ***,TBS are safer and more effective as a raw material to produce the functional food for long-term consumption with the intention of preventing and treating hyperlipidaemia.

关键词： Tartary buckwheat Tartary buckwheat sprouts Antinutritional factors Gut microbiota Health effect

Effect of high-energy Ne ions irradiation on mechanical properties difference between Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5)metallic glass and crystalline W

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Plasma Science and Technology 2024年第6期26卷 14-21页

作者：李娜张立松张小楠宫丽悦羌建兵梅显秀 Key Laboratory of Materials Modification by Laser Ion and Electron BeamsMinistry of EducationDalian University of TechnologyDalian 116024People’s Republic of China School of Science Dalian Jiaotong UniversityDalian 116028People’s Republic of China

In this paper,high-energy Ne ions were used to irradiate Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5) metallic glass(MG)and crystalline W to investigate their difference in mechanical response after *** results showed that with the irradiation dose increased,the tensile micro-strain increased,nano-hardness increased from 7.11 GPa to 7.90 GPa and 8.62 GPa,Young’s modulus increased,and H3/E2 increased which indicating that the plastic deformability decreased in crystalline *** the same irradiation conditions,the Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5) MG still maintained the amorphous structure and became more disordered despite the longer range and stronger displacement damage of Ne ions in Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5) MG than in crystalline *** the irradiation hardening and embrittlement behavior of crystalline W,Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5) MG showed the gradual decrease in hardness from 6.02 GPa to 5.89 GPa and 5.50 GPa,the decrease in modulus and the increase in plastic deformability with the increasing ***,the irradiation softening and toughening phenomenon of Zr_(63.5)Cu_(23)Al_(9)Fe_(4.5) MG could provide new ideas for the design of nuclear materials.

关键词： heavy ions irradiation displacement damage metallic glass crystalline W mechanical property

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城镇生活污水处理工艺的改进及效果评价

山西化工 2022年第6期42卷 174-175页

作者：李立松山西晋环科源环境资源科技有限公司山西太原030027

为响应国家对生活、生产污水更加严格的标准要求,解决城镇污水当前处理工艺的出水水质与《城镇污水厂污染物排放标准》的一级A标准存在一定差距的问题,在对当前地区城镇生活污水进水和出水水质现状进行分析的基础上,在当前曝气生物滤池... 详细信息

为响应国家对生活、生产污水更加严格的标准要求,解决城镇污水当前处理工艺的出水水质与《城镇污水厂污染物排放标准》的一级A标准存在一定差距的问题,在对当前地区城镇生活污水进水和出水水质现状进行分析的基础上,在当前曝气生物滤池过滤工艺的基础上增加BAF工艺进行改造,并对改造后工艺的处理效果进行评价。

关键词：城镇生活污水曝气生物滤池处理工艺 BAF工艺去除率除磷

银星养脑片对血管性痴呆模型大鼠的记忆改善作用及机制研究

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中国现代应用药学 2022年第19期39卷 2465-2474页

作者：肖岚李力松彭莎谢宗明蒋翠萍周月红李顺祥湖南中医药大学药学院长沙410208 湖南中医药大学信息科学与工程学院长沙410208 浏阳市中医医院湖南浏阳410300

目的初步探讨银星养脑片治疗血管性痴呆的药效及可能机制。方法构建双侧颈动脉结扎的血管性痴呆大鼠模型,术后14 d分别给予银星养脑片0.07,0.135,0.27 g·kg^(−1)及吡拉西坦片0.4 g·kg^(−1),持续灌胃14 d后进行水迷宫行为学测试,随后... 详细信息

目的初步探讨银星养脑片治疗血管性痴呆的药效及可能机制。方法构建双侧颈动脉结扎的血管性痴呆大鼠模型,术后14 d分别给予银星养脑片0.07,0.135,0.27 g·kg^(−1)及吡拉西坦片0.4 g·kg^(−1),持续灌胃14 d后进行水迷宫行为学测试,随后收集血清及动物脑组织,检测血清中炎症因子TNF-α、IL-1β含量,对脑组织进行HE染色及尼氏染色观察海马区病理结构变化。使用BV2细胞构建LPS刺激模型,给予银星养脑片0.5,1,2 mg·kg^(−1)不同剂量后检测细胞上清炎症相关因子NO、IL-6、TNF-α的释放量,收集细胞蛋白检测iNOS、NF-κB p65、p-NF-κB p65、IκB-α、p-IκB-α、NLRP3、caspase-1炎症相关蛋白表达变化,免疫荧光检测细胞iNOS、NLRP3的表达情况。结果水迷宫结果提示血管性痴呆大鼠出现明显的记忆损伤,而银星养脑片给药组能有效改善记忆损伤情况,且还能降低血管性痴呆大鼠血清炎症水平;在BV2细胞上给予银星养脑片的干预能减少LPS刺激后的炎症因子释放,抑制NF-κB p65和IκB-α的磷酸化蛋白的增加,抑制NF-κB下游NLRP3/caspase-1通路的激活,有效地起到抗炎的作用。结论银星养脑片能有效改善血管性痴呆大鼠的记忆损伤,有可能通过抑制炎症相关NF-κB/NLRP3/caspase-1通路起到抗炎的作用。

关键词：银星养脑片血管性痴呆记忆损伤炎症

基于临床疗效挖掘和靶点网络验证的二陈汤治疗高脂血症燥湿化痰功效研究

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中草药 2024年第8期55卷 2708-2722页

作者：李荣荣杜航李航生立嵩卢佳宝刘持年郑晖孙蓉山东中医药大学山东济南250355 山东大学第二医院山东济南250033 山东大学高等医学研究院山东济南250012 天津中医药大学天津301617

目的采用“系统评价定疗效指标-网络药理学预测靶点-交互燥湿化痰类中药定功效-体内验证疗效指标和功效靶点”的集成创新策略,解析二陈汤发挥燥湿化痰功效治疗高脂血症临床证据和作用靶点的现代表征关系。方法筛选符合纳入标准的二陈汤... 详细信息

目的采用“系统评价定疗效指标-网络药理学预测靶点-交互燥湿化痰类中药定功效-体内验证疗效指标和功效靶点”的集成创新策略,解析二陈汤发挥燥湿化痰功效治疗高脂血症临床证据和作用靶点的现代表征关系。方法筛选符合纳入标准的二陈汤治疗高脂血症临床随机对照研究,抽提与二陈汤燥湿化痰功效密切相关的临床证候,继而开展临床研究Meta分析。筛选并收集二陈汤和燥湿化痰类中药活性成分及其对应的靶点,运用Cytoscape 3.9.1等软件构建二陈汤燥湿化痰功效的“药物-活性成分-关键靶点”网络,将二陈汤燥湿化痰功效的关键靶点与高脂血症疾病靶点交集,通过Matescape平台对共同靶点进行基因本体(gene ontology,GO)功能及京都基因与基因组百科全书(Kyoto encyclopedia of genes and genomes,KEGG)通路富集分析。基于网络药理学和现代药效物质研究,通过高脂饮食构建高脂血症模型,利用qRT-PCR技术对二陈汤燥湿化痰功效治疗高脂血症的作用靶点进行验证。结果Meta分析显示,二陈汤单独或联合其他治疗在治疗高脂血症患者的总胆固醇(total cholesterol,TC)、三酰甘油(triglyceride,TG)、高密度脂蛋白胆固醇(high density lipoprotein cholesterol,HDL-C)、低密度脂蛋白胆固醇(low density lipoprotein cholesterol,LDL-C)的疗效方面均优于对照组。网络药理学研究得到二陈汤燥湿化痰功效的关键作用靶点37个,治疗高脂血症涉及过氧化物酶体增殖物激活受体γ(peroxisome proliferatoractivated receptor gamma,PPARG)、前列腺素内过氧化物合酶2(prostaglandin G/H synthase 2,PTGS2)、雌激素受体1(estrogen receptor 1,ESR1)、肿瘤蛋白p53(tumor protein p53,TP53)、AKT丝氨酸/苏氨酸激酶1(RAC-alpha serine/threonine-protein kinase,AKT1)、PPARA等20个关键靶点。GO分析涉及小分子代谢过程的调节、脂质代谢过程的调节等生物过程,KEGG分析涉及脂质和动脉粥样硬化、脂肪细胞中脂肪分解的调节、血管内皮细胞生长因子(vascular endothelial growth factor,VEGF)信号通路和单磷酸腺苷活化蛋白激酶(AMP-activated protein kinase,AMPK)信号通路等91条通路。体内实验结果表明,二陈汤能够有效改善高脂血症大鼠血脂水平(P<0.05、0.01、0.001),上调高脂血症大鼠肝脏中PPARα和PPARγm RNA的表达(P<0.05、0.001),下调脂肪组织中PPARγm RNA的表达(P<0.05、0.01)。结论二陈汤治疗高脂血症时燥湿化痰功效表征为TC、TG、LDL-C水平下降和HDL-C水平升高,功效作用网络与PPARG、AKT1、PPARA等多个关键靶点和VEGF信号通路、AMPK信号通路有关,共同发挥对脂质代谢、脂肪细胞中脂肪分解调节、肝脂调控等的作用。结合其功效物质基础分析和体内实验发现PPARα和PPARγ是二陈汤发挥燥湿化痰功效治疗高脂血症的核心靶点。

关键词：二陈汤燥湿化痰高脂血症网络药理学系统评价橙皮苷过氧化物酶体增殖物激活受体α 过氧化物酶体增殖物激活受体γ

超声引导下骨骺内闭合截骨治疗儿童先天性拇指尺偏畸形

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临床小儿外科杂志 2024年第2期23卷 158-161页

作者：孟喜军于立松李俊王敏沈先涛华中科技大学同济医学院附属武汉儿童医院骨科，武汉430000 华中科技大学同济医学院附属武汉儿童医院呼吸科，武汉430000

目的探讨超声在儿童先天性拇指尺偏畸形中的应用。方法回顾性分析2018年7月至2021年2月华中科技大学同济医学院附属武汉儿童医院骨科收治的8例(10拇)采用超声引导下骨骺内闭合截骨治疗先天性拇指尺偏畸形的患儿资料,男4例、女4例,单侧3... 详细信息

目的探讨超声在儿童先天性拇指尺偏畸形中的应用。方法回顾性分析2018年7月至2021年2月华中科技大学同济医学院附属武汉儿童医院骨科收治的8例(10拇)采用超声引导下骨骺内闭合截骨治疗先天性拇指尺偏畸形的患儿资料,男4例、女4例,单侧3例、双侧5例。测量患儿术前、术后的尺偏角、指间关节主动屈曲角,采用Tada评分标准进行疗效评估(包括指间关节运动范围、稳定性、力线)。结果8例(10拇)均获得随访,随访时长(21.75±11.83)个月。术前拇指尺偏角(40.12±13.44)°,指间关节主动屈曲角(38.90±5.34)°;术后拇指尺偏角(7.65±2.56)°,指间关节主动屈曲角(36.20±3.36)°;对比10拇的术前及术后尺偏角、指间关节主动屈曲角,差异均有统计学意义(P<0.05)。根据Tada评分标准评估疗效:良好8拇、中等2拇。结论超声引导下行儿童先天性拇指尺偏畸形截骨治疗,可以提供相对准确的定位,是一种有效的方法。

关键词：超声骨骺畸形截骨外科手术儿童