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Rare Metals 2017年第12期36卷 971-976页

作者： xiang-yang Mao Hao Chen hong-yan yang Yao Yao hong-Xing Wang Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology School of Materials EngineeringNanjing Institute of Technology Nanjing 211167 China

In this study, the gradient grain induced by punching deformation and recovery treatment on a cupronickel alloy surface sample were investigated, and their effects on corrosion resistance were measured by atom force microscopy(AFM), X-ray diffraction(XRD),electrochemical measurement, electron work function(EWF), and contact electrical resistance(CER). The cupronickel alloy surface experienced punching deformation for 60 min and recovery at 300 ℃ for 1 h to produce gradient surface. The grain size measured by XRD is bigger than that measured by AFM, due to X-ray intensity of95 % produced at the depth of 12-20 μm for the crystal planes of(111),(200), and(220). The gradient grain surface, compared to the original surface, shows a 13.7-fold decrease in passivation current density(i), and corrosion potential(Ec) increases by approximately 9.8 %. These results are attributable to the increase in EWF and formation of passivation film with better adhesion and compactness after treatment.

关键词： Gradient grain Corrosion resistance Electron work function Punching deformation

Direct Photolithography of WO_(x)Nanoparticles for High‑Resolution Non‑Emissive Displays

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Nano-Micro Letters 2025年第3期17卷 297-309页

作者： Chang Gu Guojian yang Wenxuan Wang Aiyan Shi Wenjuan Fang Lei Qian Xiaofei Hu Ting Zhang Chaoyu xiang Yu‑Mo Zhang Laboratory of Optoelectronic Information Technology and Devices Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201People’s Republic of China Hangzhou Bay Laboratory of Advanced Nano‑Optoelectronic Materials and Devices Qianwan Institute of CNITECHNingbo 315336People’s Republic of China Smart Materials for Architecture Research Lab Innovation Center of Yangtze River DeltaZhejiang UniversityJiaxing 314100People’s Republic of China University of Science and Technology of China Hefei 230026People’s Republic of China State Key Lab of Supramolecular Structure and Materials College of ChemistryJilin UniversityChangchun 130012People’s Republic of China

High-resolution non-emissive displays based on electrochromic tungsten oxides(WOx)are crucial for future near-eye virtual/augmented reality interactions,given their impressive attributes such as high environmental stability,ideal outdoor readability,and low energy ***,the limited intrinsic structure of inorganic materials has presented a significant challenge in achieving precise patterning/pixelation at the micron ***,we successfully developed the direct photolithography for WOx nanoparticles based on in situ photo-induced ligand *** strategy enabled us to achieve ultra-high resolution efficiently(line width3600 cycles),as well as promising applications in electronic logos,pixelated displays,flexible electronics,*** success and advancements presented here are expected to inspire and accelerate research and development(R&D)in high-resolution non-emissive displays and other ultra-fine micro-electronics.

关键词： Electrochromic Direct photolithography WOx nanoparticles In situ photo-induced ligand exchange High-resolution displays

Comparison of 1.5% lidocaine and 0.5% ropivacaine epidural anesthesia combined with propofol general anesthesia guided by bispectral index

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2007年第6期8卷 428-434页

作者： xiang yan LI Yu-hong Department of Anesthesiology the First Affiliated Hospital School of Medicine Zhejiang University Hangzhou 310003 China

Objective： To compare the effects of epidural anesthesia with 1.5% lidocaine and 0.5% ropivacaine on propofol requirements, the time to loss of consciousness （LOC）, effect-site propofol concentrations, and the hemodynamic variables during induction of general anesthesia guided by bispectral index （BIS） were studied. Methods： Forty-five patients were divided into three groups to receive epidurally administered saline （Group S）, 1.5% （w/w） lidocaine （Group L）, or 0,5% （w/w） ropivacaine （Group R） Propofol infusion was started to produce blood concentration of 4 lag/ml. Once the BIS value reached 40-50, endotracheal intubation was facilitated by 0.1 mg/kg vecuronium. Measurements included the time to LOC, effect-site propofol concentrations, total propofol dose, mean arterial blood pressure （MABP）, and heart rate （HR） at different study time points. Results： During induction of anesthesia, both Groups L and R were similar for the time to LOC, effect-site propofol concentrations, total propofol dose, MABP, HR, and BIS. The total doses of propofol administered until 1 min post-intubation were significantly less in patients of Groups R and L compared with Group S. MABP and HR were significantly lower following propofol induction compared with baseline values in the three groups, or MABP was significantly increased following intubation as compared with that prior to intubation in Group S but not in Groups R and L while HR was significantly increased following intubation in the three groups. Conclusion： Epidural anesthesia with 1.5% lidocaine and 0.5% ropivacaine has similar effects on the time to LOC, effect-site propofol concentrations, total propofol dose, and the hemodynamic variables during induction of general anesthesia.

关键词： Propofol Lidocaine Ropivacaine Epidural anethesia Bispectral index

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技术创新系统分析

吉林省经济管理干部学院学报 2001年第3期15卷 21-23页

作者：刘艳红万兴亚东北师范大学马列教研部吉林长春130024

加强技术创新 ,发展高科技 ,实现产业化是我国实现跨世纪发展的战略目标。技术创新是一个企业、一个国家保持持续增长的关键 ,它包括产品创新、工艺创新和服务创新。管理创新 (包括制度创新和组织创新 )对技术创新起支撑作用 ;市场创新... 详细信息

加强技术创新 ,发展高科技 ,实现产业化是我国实现跨世纪发展的战略目标。技术创新是一个企业、一个国家保持持续增长的关键 ,它包括产品创新、工艺创新和服务创新。管理创新 (包括制度创新和组织创新 )对技术创新起支撑作用 ;市场创新推动和促进技术创新 ;观念、教育、知识创新是技术创新的基础和源泉。创新系统相互作用 ,为技术创新提供了良好的外部环境。

关键词：技术创新系统分析中国

Contributions of source population and incubation temperature to phenotypic variation of hatchling Chinese skinks

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Current Zoology 2021年第3期67卷 245-253页

作者： hong-Liang Lu yan-Fu Qu hong Li xiang Ji Hangzhou Key Laboratory for Animal Adaptation and Evolution College of Life and Environmental SciencesHangzhou Normal UniversityHangzhou 311121ZhejiangChina Jiangsu Key Laboratory for Biodiversity and Biotechnology College of Life SciencesNanjing Normal UniversityNanjing 210023JiangsuChina College of Life and Environmental Sciences Wenzhou UniversityWenzhou 325035ZhejiangChina

Phenotypic plasticity and local adaptation are viewed as the main factors that result in between-population variation in phenotypic traits,but contributions of these factors to phenotypic variation vary between traits and between species and have only been explored in a few species of ***,we incubated eggs of the Chinese skink(Plestiodon chinensis)from 7 geographically separated populations in Southeast China at 3 constant temperatures(24,28,and 32℃)to evaluate the combined effects of dutch origin,source population,and incubation temperature on hatchling *** relative importance of these factors varied between *** all examined hatchling traits,including body mass,snout-vent length(SVL),tail length,head size,limb length,tympanum diameter,and locomotor speed,varied among populations and were affected by incubation *** for hatchling size(body mass and SVL)varied considerably among *** population explained much of the variation in hatchling body mass,whereas incubation temperature explained much of the variation in other examined *** results indicate that between-population variation in hatchling traits of *** likely reflects the difference in natural incubation conditions and genetic divergence.

关键词： egg incubation hatchling phenotype incubation temperature local adaptation Plestiodon chinensis source population

Perilipin-2 mediates ferroptosis in oligodendrocyte progenitor cells and myelin injury after ischemic stroke

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Neural Regeneration Research 2025年第7期20卷 2015-2028页

作者： Jian yang Jiang Wu Xueshun Xie Pengfei Xia Jinxin Lu Jiale Liu Lei Bai xiang Li Zhengquan Yu Haiying Li Department of Neurosurgery&Brain and Nerve Research Laboratory The First Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Stroke Research Soochow UniversitySuzhouJiangsu ProvinceChina

Differentiation of oligodendrocyte progenitor cells into mature myelin-forming oligodendrocytes contributes to *** of remyelination due to oligodendrocyte progenitor cell death can result in severe nerve *** is an iron-dependent form of regulated cell death caused by membrane rupture induced by lipid peroxidation,and plays an important role in the pathological process of ischemic ***,there are few studies on oligodendrocyte progenitor cell *** analyzed transcriptome sequencing data from GEO databases and identified a role of ferroptosis in oligodendrocyte progenitor cell death and myelin injury after cerebral *** analysis suggested that perilipin-2(PLIN2)was involved in oligodendrocyte progenitor cell ***2 is a lipid storage protein and a marker of hypoxia-sensitive lipid droplet *** further investigation,we established a mouse model of cerebral ischemia/*** found significant myelin damage after cerebral ischemia,as well as oligodendrocyte progenitor cell death and increased lipid peroxidation levels around the infarct *** ferroptosis inhibitor,ferrostatin-1,rescued oligodendrocyte progenitor cell death and subsequent myelin *** also found increased PLIN2 levels in the peri-infarct area that co-localized with oligodendrocyte progenitor ***2 knockdown rescued demyelination and improved neurological *** findings suggest that targeting PLIN2 to regulate oligodendrocyte progenitor cell ferroptosis may be a potential therapeutic strategy for rescuing myelin damage after cerebral ischemia.

关键词： bioinformatics bulk RNA sequencing ferroptosis ischemic stroke myelin injury oligodendrocyte progenitor cell perilipin-2 single-cell RNA sequencing

Perturbation to Symmetries and Adiabatic Invariants of Nonholonomic System in Terms of Quasi-coordinates

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Communications in Theoretical Physics 2005年第5X期44卷 773-778页

作者： CHEN xiang-Wei ZHAO Yong-hong LI yan-Min Department of Physics Shangqiu Teachers College Shangqiu 476000 China

Based on the theory of Lie symmetries and conserved quantities, the exact invariants and adiabatic invariants of nonholonomic system in terms of quasi-coordinates are studied. The perturbation to symmetries for the nonholonomic system in terms of quasi-coordinates under small excitation is discussed. The concept of high-order adiabatic invariant is presented, and the forms of exact invariants and adiabatic invariants as well as the conditions for their existence are given. Then the corresponding inverse problem is studied.

关键词： nonholonomic system in terms of quasi-coordinates perturbation exact invariant adiabatic invariant

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以学生为中心物理实验教学模式的探索与实践

大学物理实验 2017年第4期30卷 153-156页

作者：张亚萍张令坦马红章朱海丰闫向宏刘彦民中国石油大学(华东) 山东青岛266580

物理实验是高等学校实验教学的重要环节,对培养学生的科学素养、创新能力具有不可替代的地位和作用,实施以学生为中心的物理实验教学,构建"做中学、学中研、研中创"连动式物理实验研究性教学模式,注重实验过程,有效引导学生在做实验过... 详细信息

物理实验是高等学校实验教学的重要环节,对培养学生的科学素养、创新能力具有不可替代的地位和作用,实施以学生为中心的物理实验教学,构建"做中学、学中研、研中创"连动式物理实验研究性教学模式,注重实验过程,有效引导学生在做实验过程中自主学习,在自主学习过程中开展研究,在实验研究过程中追求创新。克服在实验过程中盲目单纯追求实验数据的被动学习方法,真正做到通过修读物理实验课程,让学生热爱基础学科,善于自主学习,培养科学思维和科学实验素质,提高学生实验创新能力,满足不同层次、不同专业学生实验需求。研究成果已经在本校系列物理实验课程教学中加以推广和应用,取得了不错的教学效果。

关键词：物理实验教学模式自主学习创新能力培养

Lagrangian analysis of the fluid transport induced by the interaction of two co-axial co-rotating vortex rings

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Journal of Hydrodynamics 2020年第6期32卷 1080-1090页

作者： Hai-yan Lin yang xiang Su-yang Qin Hui Xu hong Liu J.C.wu center for aerodynamics school of aeronautics and astronauticsshanghai jiao tong universityshanghai200240china

In this paper,the fluid transport in the interaction of two co-axial co-rotating vortex rings are *** rings are generated using the piston-cylinder apparatus,and the resulting velocity fields are measured using digital particle image *** interaction process is analysed by means of vorticity contour,as well by investigation of the Lagrangian coherent structures(LCSs)defined by the ridges of the finite-time Lyapunov exponent(FTLE).Experimental results demonstrate that two types of vortex interaction are identified,namely strong and weak interactions,*** the strong interaction,the Lagrangian boundaries of the two vortex rings are merged together and form a flux window for fluid *** weak interaction,only the Lagrangian drift induced by the motion of the front vortex ring is observed and affects the Lagrangian boundary of the rear vortex ***,the fluids transported in the strong interaction carry considerable momentum but no *** contrast,there are nearly no fluxes occurring in the weak *** tracking the variations of circulation and impulse occupied by the separated regions distinguished by the LCSs,it is found that the circulation nearly has no change,but the impulse occupied by vortex core region has significant *** the strong interaction,the impulse of rear vortex ring decreases but the impulse of the front vortex ring *** on the impulse law,it is speculated that the fluid force generated by the formation of the rear vortex rings can be ***,the strong interaction between wake vortices can actually improve the propulsive efficiency of the biological systems by operating the formation of large-scale vortices.

关键词： Vortex rings Lagranagian coherent structures(LCSs) fluid transport

Solid-state corrosion of lithium for prelithiation of SiO_(x)-C composite anode with carbon-incorporated lithium phosphorus oxynitride

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Nano Research 2023年第6期16卷 8394-8404页

作者： yan Qiao Siyu yang Ziqiang Ma yangyuchen yang xiang hong Zhengwen Fu Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Department of ChemistryFudan UniversityShanghai 200433China Nano Science and Technology Institute University of Science and Technology of ChinaSuzhou 215123China Central Research Institute Huawei Technologies Co.Ltd.Shenzhen 518129China

In order to address the issues of low initial Coulombic efficiency of SiO_(x)-C composite anode due to the formation of solid electrolyte interphase,irreversible conversion reaction,and large volume change,the prelithiation method using metal lithium has been employed as one of effective ***,violent side reactions with liquid electrolyte for prelithiation lead to low prelithiation efficiency and induce poor interface between the SiO_(x)-C electrode and liquid ***,a new prelithiation method with so called solid-state corrosion of lithium is *** replacing liquid electrolyte with solid-state electrolyte of carbon-incorporated lithium phosphorus oxynitride(LiCPON),not only various side reactions associated with metal lithium are avoided,but also the perfect interface is achieved from the decomposition products of *** successful implementation of solid-state corrosion prelithiation can be confirmed by changes in optical image,scanning electron microscopy,and X-ray *** with pristine electrode,the initial Coulombic efficiency of the prelithiated electrode using solid electrolyte can be increased by about 10%,reaching 98.6%in half cell and 88.9%in full *** with prelithiated electrode using liquid electrolyte,the prelithiation efficiency of the prelithiated anode with solid-state corrosion can be increased from 25.7%to 82.8%.Solid-state corrosion of lithium is expected to become a useful method for prelithiation of SiO_(x)-C composite electrode with high initial Coulombic efficiency and large prelithiation efficiency.

关键词： carbon-incorporated lithium phosphorus oxynitride SiO_(x)-C composite anode prelithiation efficiency interface