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Morphology engineering of ZnO micro/nanostructures under mild conditions for optoelectronic application

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International Journal of Minerals,Metallurgy and materials 2025年第2期32卷 498-503页

作者： liang Chu Haoyu Shen Hudie Wei Hongyu Chen Guoqiang ma Wensheng Yan Institute of Carbon Neutrality and New Energy&School of Electronics and Information Hangzhou Dianzi UniversityHangzhou 310018China School of Applied Physics and materials Wuyi UniversityJiangmen 529020China

Zinc oxide(ZnO)serves as a crucial functional semiconductor with a wide direct bandgap of approximately 3.37 *** reaction is commonly used in the synthesis of ZnO micro/nanostructures,given its low cost,simplicity,and easy ***,ZnO morphology engineering has become desirable through the alteration of minor conditions in the reaction process,particularly at room *** this work,ZnO micro/nanostructures were synthesized in a solution by varying the amounts of the ammonia added at low temperatures(including room temperature).The formation of Zn^(2+)complexes by ammonia in the precursor regulated the reaction rate of the morphology engineering of ZnO,which resulted in various structures,such as nanoparticles,nanosheets,microflowers,and single ***,the obtained ZnO was used in the optoelectronic application of ultraviolet detectors.

关键词： morphology engineering low temperature ZnO nanosheets microflowers ultraviolet detector

Vector meson's spin alignments in high energy reactions

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 5-20页

作者： jin-Hui Chen Zuo-Tang liang Yu-Gang ma Xin-Li Sheng Qun Wang Key Laboratory of Nuclear Physics and Ion-beam Application (MoE) Institute of Modern PhysicsFudan University Institute of Frontier and Interdisciplinary Science Key Laboratory of Particle Physics and Particle Irradiation (MOE)Shandong University INFN-Firenze Department of Modern Physics University of Science and Technology of China School of Mechanics and Physics Anhui University of Science and Technology

The global spin alignment of vector mesons has been observed by the STAR collaboration at the Relativistic Heavy Ion Collider （RHIC） at Brookhaven National Laboratory （BNL）.It provides a unique opportunity to probe the correlation between the polarized quark and antiquark in the strongly coupled quark-gluon plasma （sQGP） produced in relativistic heavy ion collisions,opening a new window to explore the properties of s *** addition,spin alignments of vector mesons have also been observed in other high-energy particle collisions such as e+e-annihilations at high energies where hadron production is dominated by quark fragmentation *** results obtained are quite different from those obtained in heavy ion collisions where quark coalescence/combination mechanism dominates suggesting strong dependence on hadronization *** comprehensive studies in different hadronization processes are *** this article,we present a brief review of theoretical and experimental advances in the study of vector meson’s spin alignments in a variety of high-energy particle collisions,with emphasis on hadronization mechanisms.

关键词： vector meson spin alignment global polarization relativistic heavy ion collisions fragmentation

信息技术发展带来的法律新课题——《个人信息保护法》研究

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科学学研究 2005年第6期23卷 790-795页

作者：胡建淼马良骥浙江大学法学院浙江杭州310028

信息技术的发展促进了我们行政管理手段的创新。各种新技术被应用于政府的日常工作中,一方面它促进了政府信息公开制度的发展,但另一方面却带来了个人信息自决权和公民隐私权受侵害的问题。个人信息的保护在西方主要发达国家已经有大量... 详细信息

信息技术的发展促进了我们行政管理手段的创新。各种新技术被应用于政府的日常工作中,一方面它促进了政府信息公开制度的发展,但另一方面却带来了个人信息自决权和公民隐私权受侵害的问题。个人信息的保护在西方主要发达国家已经有大量的制定法并且形成了一些共同的原则,如,目的正当原则,安全完整原则等等。而与此相对照的是我国只有单行法律或者法规中的个别条文涉及个人信息保护,显然我们立法落后于科学技术的发展.在此情况下,笔者提出对法律的基本原则进行解释的方法来解决个人信息保护无法可依的问题,并且提出了正当程序原则,信赖保护原则,公益原则作为我国个人信息保护的指导原则。

关键词：行政法学个人信息保护立法比较信息技术

黏性Geldart B类颗粒流化特性实验研究

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工程热物理学报 2017年第8期38卷 1702-1706页

作者：马吉亮刘道银梁财陈晓平东南大学能源热转换及过程测控教育部重点实验室南京210096 华东理工大学煤气化及能源化工教育部重点实验室上海200237

本文基于多源X射线层析成像技术及联合代数重建算法(SART)首次重构出黏性B类颗粒流化时局部气泡的三维形态,并结合压力脉动分析技术获得了丰富的全局流态化信息。实验结果表明,黏性力的增加强化了气泡间的合并作用,导致气泡的尺寸上升,... 详细信息

本文基于多源X射线层析成像技术及联合代数重建算法(SART)首次重构出黏性B类颗粒流化时局部气泡的三维形态,并结合压力脉动分析技术获得了丰富的全局流态化信息。实验结果表明,黏性力的增加强化了气泡间的合并作用,导致气泡的尺寸上升,频率和速度下降,当床温超过35℃后,节涌状态被激发,并与自由流化状态交替产生。而且,黏性力越大,节涌在流化过程中所占的时间比例越长。

关键词：黏性颗粒 X射线层析成像压力脉动分析流态化

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政府管理与信息公开之法理基础

法学论坛 2005年第4期20卷 13-20页

作者：胡建淼马良骥浙江大学法学院浙江杭州310028

政府管理要达到“善治”的标准就必须使政府的活动置于“阳光”之下,即政府应将行政信息公开,这是政府的一项义务。行政信息之所以要公开,因为它是实现公民基本人权的必然要求;公开行政信息更是正当程序的重要构成要素;也是WTO规则的重... 详细信息

政府管理要达到“善治”的标准就必须使政府的活动置于“阳光”之下,即政府应将行政信息公开,这是政府的一项义务。行政信息之所以要公开,因为它是实现公民基本人权的必然要求;公开行政信息更是正当程序的重要构成要素;也是WTO规则的重要体现;从宪政的角度讲,行政信息公开是人民主权的重要组成部分;现代法上的公众参与理论也论证了行政信息公开的必要性和正当性。

关键词：政府管理行政信息公开法律基础

振动和搅拌对SiO2纳米颗粒聚团流化的影响对比研究

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工程热物理学报 2021年第1期42卷 136-142页

作者：赵之端赵蒙刘道银梁财马吉亮陈晓平东南大学能源热转换及其过程测控教育部重点实验室南京210096

纳米颗粒聚团间的黏性力较强,通常需要一定的辅助方法才能实现稳定流化。本文对比了振动、搅拌、以及振动和搅拌组合方法对SiO2纳米颗粒聚团流化特性的影响。结果表明,振动能消除沟流和节涌,提高床层膨胀高度,但当振动强度超过15.7 m·... 详细信息

纳米颗粒聚团间的黏性力较强,通常需要一定的辅助方法才能实现稳定流化。本文对比了振动、搅拌、以及振动和搅拌组合方法对SiO2纳米颗粒聚团流化特性的影响。结果表明,振动能消除沟流和节涌,提高床层膨胀高度,但当振动强度超过15.7 m·s-2后,振动会对流化产生负面影响。搅拌能显著提高床层膨胀比,但当转速超过200r/min后,流化床的稳定性逐渐降低。振动和搅拌的复合作用能在单场辅助流化的基础上进一步提高纳米颗粒聚团的流化质量,提高床层膨胀比,降低临界流化速度,将聚团尺寸减小到50〜150μm之间.振动和搅拌分别在垂直和水平方向上作用于床层,对纳米颗粒聚团流化的改善存在协同作用,但搅拌对流化的影响比振动的影响更为明显。

关键词：纳米颗粒聚团流化振动搅拌

Decreased levels of phosphorylated synuclein in plasma are correlated with poststroke cognitive impairment

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Neural Regeneration Research 2025年第9期20卷 2598-2610页

作者： Yi Wang Yuning Li Yakun Gu Wei ma Yuying Guan Mengyuan Guo Qianqian Shao Xunming ji jia Liu Department of Clinical Laboratory Beijing Bo’ai HospitalChina Rehabilitation Research CenterCapital Medical UniversityBeijingChina Beijing Institute of Brain Disorders Laboratory of Brain DisordersMinistry of Science and TechnologyCollaborative Innovation Center for Brain DisordersBeijing Advanced Innovation Center for Big Data-based Precision MedicineCapital Medical UniversityBeijingChina Department of Neurosurgery Xuanwu HospitalCapital Medical UniversityBeijingChina

Poststro ke cognitive impairment is a major secondary effect of ischemic stroke in many patients;however,few options are available for the early diagnosis and treatment of this *** aims of this study were to(1)determine the specific relationship between hypoxic andα-synuclein during the occur of poststroke cognitive impairment and(2)assess whether the serum phosphorylatedα-synuclein level can be used as a biomarker for poststro ke cognitive *** found that the phosphorylatedα-synuclein level was significantly increased and showed pathological aggregation around the cerebral infa rct area in a mouse model of ischemic *** addition,neuronalα-synuclein phosphorylation and aggregation were observed in the brain tissue of mice subjected to chronic hypoxia,suggesting that hypoxia is the underlying cause ofα-synuclein-mediated pathology in the brains of mice with ischemic *** phosphorylatedα-synuclein levels in patients with ischemic stroke were significantly lower than those in healt hy subjects,and were positively correlated with cognition levels in patients with ischemic ***,a decrease in serum high-density lipoprotein levels in stroke patie nts was significantly correlated with a decrease in phosphorylatedα-synuclein *** ischemic stroke mice did not show significant cognitive impairment or disrupted lipid metabolism 14 days after injury,some of them exhibited decreased cognitive function and reduced phosphorylatedα-synuclein *** together,our results suggest that serum phosphorylatedα-synuclein is a potential biomarker for poststroke cognitive impairment.

关键词： biomarker high-density lipoprotein ischemic stroke phosphorylatedα-synuclein poststroke cognitive impairment

Regulation and function of endoplasmic reticulum autophagy in neurodegenerative diseases

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Neural Regeneration Research 2025年第1期20卷 6-20页

作者： Xiu-Yun Zhao De-En Xu Ming-Lei Wu ji-Chuan Liu Zi-Ling Shi Quan-Hong ma Department of Neurology and Clinical Research Center of Neurological Disease the Second Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Neuroscience&jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases Soochow UniversitySuzhouJiangsu ProvinceChina Department of Neurology Jiangnan University Medical CenterWuxiJiangsu ProvinceChina

The endoplasmic reticulum,a key cellular organelle,regulates a wide variety of cellular *** reticulum autophagy,one of the quality control systems of the endoplasmic reticulum,plays a pivotal role in maintaining endoplasmic reticulum homeostasis by controlling endoplasmic reticulum turnover,remodeling,and *** this review,we briefly describe the endoplasmic reticulum quality control system,and subsequently focus on the role of endoplasmic reticulum autophagy,emphasizing the spatial and temporal mechanisms underlying the regulation of endoplasmic reticulum autophagy according to cellular *** also summarize the evidence relating to how defective or abnormal endoplasmic reticulum autophagy contributes to the pathogenesis of neurodegenerative *** summary,this review highlights the mechanisms associated with the regulation of endoplasmic reticulum autophagy and how they influence the pathophysiology of degenerative nerve *** review would help researchers to understand the roles and regulatory mechanisms of endoplasmic reticulum-phagy in neurodegenerative disorders.

关键词： autophagy endoplasmic reticulum endoplasmic reticulum autophagy endoplasmic reticulum quality control system endoplasmic reticulum receptors endoplasmic reticulum-associated degradation neurodegeneration neurodegenerative disease selective autophagy unfolded protein response

Nitrogen addition promotes soil carbon accumulation globally

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Science China Life Sciences 2025年第1期68卷 284-293页

作者： Xuemei Yang Suhui ma Erhan Huang Danhua Zhang Guoping Chen jiangling Zhu Chengjun ji Biao Zhu Lingli Liu jingyun Fang Institute of Ecology College of Urban and Environmental Sciencesand Key Laboratory for Earth Surface Processes of the Ministry of EducationPeking University Ministry of Education Key Laboratory for Transboundary Ecosecurity of Southwest China School of Ecology and Environmental ScienceYunnan University State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of Sciences

Soil is the largest carbon(C) reservoir in terrestrial ecosystems and plays a crucial role in regulating the global C cycle and climate *** nitrogen(N) deposition has been widely considered as a critical factor affecting soil organic carbon(SOC) storage, but its effect on SOC components with different stability remains unclear. Here, we analyzed extensive empirical data from 304 sites worldwide to investigate how SOC and its components respond to N addition. Our analysis showed that N addition led to a significant increase in bulk SOC(6.7%), with greater increases in croplands(10.6%) and forests(6.0%) compared to grasslands(2.1%). Regarding SOC components, N addition promoted the accumulation of plant-derived C(9.7%–28.5%) over microbial-derived C(0.2%), as well as labile(5.7%) over recalcitrant components(–1.2%), resulting in a shift towards increased accumulation of plant-derived labile C. Consistently, N addition led to a greater increase in particulate organic C(11.9%) than mineral-associated organic C(3.6%), suggesting that N addition promotes C accumulation across all pools, with more increase in unstable than stable pools. The responses of SOC and its components were best predicted by the N addition rate and net primary productivity. Overall, our findings suggest that N enrichment could promote the accumulation of plant-derived and non-mineral associated C and a subsequent decrease in the overall stability of soil C pool, which underscores the importance of considering the effects of N enrichment on SOC components for a better understanding of C dynamics in soils.

关键词： meta-analysis nitrogen enrichment soil organic carbon carbon accumulation carbon stability