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长三角差异化工业碳达峰路径研究

苏州大学学报（哲学社会科学版） 2022年第4期43卷 41-51页

作者：陈芳曹晓芸安徽大学经济学院安徽合肥230601 安徽大学创新发展战略研究院安徽合肥230601

长三角是中国经济增长引擎,但其工业经济是建立在能源消耗基础上的粗放式繁荣,成为实现减排目标的攻坚深水区。运用IPCC碳排放核算方法,基于空间差异及分布动态视角,研究2009—2019年长三角地区36座城市工业碳排放现状及空间格局动态演... 详细信息

长三角是中国经济增长引擎,但其工业经济是建立在能源消耗基础上的粗放式繁荣,成为实现减排目标的攻坚深水区。运用IPCC碳排放核算方法,基于空间差异及分布动态视角,研究2009—2019年长三角地区36座城市工业碳排放现状及空间格局动态演进趋势、分解长三角工业碳排放的驱动因素并归纳其碳达峰趋势的聚类特征。研究结果表明:长三角整体工业碳排放呈现增加的态势;地理分布呈现“东高西低”且重心向西偏移,空间格局兼具集群性与非均衡性;产业结构、能源结构、能源强度、城市化和劳动力效率是长三角工业碳排放主要驱动因素;区域内城市达峰趋势分为脱碳先锋型、脱碳潜力型、转型困难型和达峰滞后型四种类型。在此基础上,梳理了长三角地区工业低碳高效发展路径。

关键词：长三角工业碳排放空间格局驱动因素聚类特征

Etching-free pixel definition in InGaN green micro-LEDs

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Light(Science & Applications) 2024年第8期13卷 1655-1665页

作者： Zhiyuan Liu Yi Lu Haicheng cao Glen Isaac Maciel Garcia Tingang Liu xiao Tang Na xiao Raul Aguileta Vazquez Mingtao Nong xiaohang Li Advanced Semiconductor Laboratory Electrical and Computer Engineering ProgramCEMSE DivisionKing Abdullah University of Science and Technology(KAUST)Thuwal 23955-6900Kingdom of Saudi Arabia

The traditional plasma etching process for defining micro-LED pixels could lead to significant sidewall *** near sidewall regions act as non-radiative recombination centers and paths for current leakage,significantly deteriorating device *** this study,we demonstrated a novel selective thermal oxidation(STO)method that allowed pixel definition without undergoing plasma damage and subsequent dielectric *** annealing in ambient air oxidized and reshaped the LED structure,such as p-layers and InGaN/GaN multiple quantum ***,the pixel areas beneath the pre-deposited SiO_(2)layer were selectively and effectively *** was demonstrated that prolonged thermal annealing time enhanced the insulating properties of the oxide,significantly reducing LED leakage ***,applying a thicker SiO_(2)protective layer minimized device resistance and boosted device efficiency *** the STO method,InGaN green micro-LED arrays with 50-,30-,and 10-μm pixel sizes were manufactured and *** results indicated that after 4 h of air annealing and with a 3.5-μm SiO_(2)protective layer,the 10-μm pixel array exhibited leakage currents density 1.2×10^(-6)A/cm^(2)at-10 V voltage and a peak on-wafer external quantum efficiency of~6.48%.This work suggests that the STO method could become an effective approach for future micro-LED manufacturing to mitigate adverse LED efficiency size effects due to the plasma etching and improve device ***-LEDs fabricated through the STO method can be applied to micro-displays,visible light communication,and optical interconnect-based *** planar pixel geometry will provide more possibilities for the monolithic integration of driving circuits with ***,the STO method is not limited to micro-LED fabrication and can be extended to design other III-nitride devices,such as photodetectors,laser diodes,high-electron-mobility transistors

关键词： annealing protective quantum

Hydrogen Bonds in Perovskite for Efficient and Stable Photovoltaic

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Chinese Journal of Chemistry 2024年第11期42卷 1284-1306页

作者： Tian-yun Wang Yang-yang Hao Ming-zhe Zhu Guo-rui cao Zhong-min Zhou College of Chemistry and Molecular Engineering Qingdao University of Science and TechnologyQingdaoShandong266042 China College of Chemical Engineering Qingdao University of Science and TechnologyQingdaoShandong266042 China

Owing to their distinctive optical and physical properties,organic-inorganic hybrid perovskite materials have gained significant attention in the field of electronic devices,especially solar *** achievement of high-performance solar cells hinges upon the utilization of top-notch perovskite thin ***,the fabrication process involving solutions and the polycrystalline nature of perovskite result in the emergence of numerous defects within the perovskite films,consequently exerting a deleterious influence on the overall performance and stability of the *** the performance and stability of perovskite solar cells by additive engineering to suppress/passivate defects is a viable approach,which involves hydrogen bond interactions in these device engineering *** review explores the intrinsic hydrogen bonds in methylammonium and formamidium lead triiodide,while also considering cation rotations,phase transitions,and ***,the review classifies additives into distinct categories,including organic small molecules,polymers,nanodots,classical salts,ionic liquids,and molten *** various forms and characterization techniques of hydrogen bonds are discussed,as well as their potential synergistic effects in conjunction with other chemical ***,this review offers insights into the potential utilization of hydrogen bonds to further enhance the performance and stability of devices.

关键词： Perovskite solar cells Hydrogen bond Additive Performance Stability Charge transfer Inhibition Cooperative effects

Integrated assessment of yield,nitrogen use efficiency and ecosystem economic benefits of use of controlled-release and common urea in ratoon rice production

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Journal of Integrative Agriculture 2024年第9期23卷 3186-3199页

作者： Zijuan Ding Ren Hu Yuxian cao Jintao Li Dakang xiao Jun Hou Xuexia Wang College of Agriculture Yangtze University/MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River(Co-construction by Ministry and Province)Jingzhou 434025China College of Life Science Yangtze UniversityJingzhou 434025China Institute of Plant Nutrition Resources and EnvironmentBeijing Agricultural Forestry Academy SciencesBeijing 100097China

Controlled-release urea(CRU)is commonly used to improve the crop yield and nitrogen use efficiency(NUE).However,few studies have investigated the effects of CRU in the ratoon rice *** rice is the practice of obtaining a second harvest from tillers originating from the stubble of the previously harvested main *** this study,a 2-year field experiment using a randomized complete block design was conducted to determine the effects of CRU on the yield,NUE,and economic benefits of ratoon rice,including the main crop,to provide a theoretical basis for fertilization of ratoon *** experiment included four treatments:(i)no N fertilizer(CK);(ii)traditional practice with 5 applications of urea applied at different crop growth stages by surface broadcasting(FFP);(iii)one-time basal application of CRU(BF1);and(iv)one-time basal application of CRU combined with common urea(BF2).The BF1 and BF2 treatments significantly increased the main crop yield by 17.47 and 15.99%in 2019,and by 17.91 and 16.44%in 2020,respectively,compared with FFP *** BF2 treatment achieved similar yield of the ratoon crop to the FFP treatment,whereas the BF1 treatment significantly increased the yield of the ratoon crop by 14.81%in 2019 and 12.21%in 2020 compared with the FFP *** BF1 and BF2 treatments significantly improved the 2-year apparent N recovery efficiency,agronomic NUE,and partial factor productivity of applied N by 11.47-16.66,27.31-44.49,and 9.23-15.60%,respectively,compared with FFP *** BF1 and BF2 treatments reduced the chalky rice rate and chalkiness of main and ratoon crops relative to the FFP ***,emergy analysis showed that the production efficiency of the BF treatments was higher than that of the FFP *** BF treatments reduced labor input due to reduced fertilization times and improved the economic benefits of ratoon *** with the FFP treatment,the BF1 and BF2 treatments increased the net income by 14.21-16

关键词： ratoon rice controlled-release urea yield nitrogen use efficiency economic benefit

Asymptotic Inference in the Random Coefficient Autoregressive Model with Time-functional Variance Noises

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Acta Mathematicae Applicatae Sinica 2024年第2期40卷 320-346页

作者： En-wen ZHU Zi-wei DENG Han-jun ZHANG Jun cao xiao-hui LIU Department of Mathematics and Statistics Changsha University of Science and TechnologyChangsha 410114China School of Mathematics and Computational Science Xiangtan UniversityXiangtan 411105China School of Statistics and Data Science and Key Laboratory of Data Science in Finance and EconomicsJiangxi University of Finance and EconomicsNanchang 330013China

This paper considers the random coefficient autoregressive model with time-functional variance noises,hereafter the RCA-TFV *** first establish the consistency and asymptotic normality of the conditional least squares estimator for the constant *** semiparametric least squares estimator for the variance of the random coefficient and the nonparametric estimator for the variance function are constructed,and their asymptotic results are reported.A simulation study is presented along with an analysis of real data to assess the performance of our method in finite samples.

关键词： random coefficient autoregressive model time-functional variance conditional least squares semiparametric least squares

Chemokine platelet factor 4 accelerates peripheral nerve regeneration by regulating Schwann cell activation and axon elongation

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Neural Regeneration Research 2024年第1期19卷 190-195页

作者： Miao Gu xiao Cheng Di Zhang Weiyan Wu Yi cao Jianghong He Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education Co-innovation Center of NeuroregenerationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsNantong UniversityNantongJiangsu ProvinceChina School of Basic Medical Sciences Hebei Key Laboratory of Nerve Injury and RepairChengde Medical UniversityChengdeHebei ProvinceChina

Schwann cells in peripheral nerves react to traumatic nerve injury by attempting to grow and *** r,it is unclear what factors play a role in this *** this study,we searched a GEO database and found that expression of platelet factor 4 was markedly up-regulated after sciatic nerve *** factor is an important molecule in cell apoptosis,diffe rentiation,survival,and ***,polymerase chain reaction and immunohistochemical staining confirmed the change in platelet factor 4 in the sciatic nerve at different time points after ***-linked immunosorbent assay confirmed that platelet factor 4 was secreted by Schwann *** also found that silencing platelet factor 4 decreased the proliferation and migration of primary cultured Schwann cells,while exogenously applied platelet factor 4 stimulated Schwann cell prolife ration and migration and neuronal axon ***,knocking out platelet factor 4 inhibited the prolife ration of Schwann cells in injured rat sciatic *** findings suggest that Schwann cell-secreted platelet factor 4 may facilitate peripheral nerve repair and regeneration by regulating Schwann cell activation and axon ***,platelet factor 4 may be a potential therapeutic target for traumatic peripheral nerve injury.

关键词： axon elongation bioinformatic analysis cell migration cell proliferation dorsal root ganglia peripheral nerve regeneration peripheral nerve trauma platelet factor 4 rat sciatic nerve Schwann cells

MicroRNA-451a is a candidate biomarker and therapeutic target for major depressive disorder

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General Psychiatry 2024年第1期37卷 151-162页

作者： Panpan Hu Qiuchen cao Hu Feng yun Liu Yan Chen Jingfan Xu Weixi Feng Huaiqing Sun Huachen Ding Chun Wang Junying Gao Ming xiao Jiangsu Key Laboratory of Neurodegeneration Nanjing Medical UniversityNanjingJiangsuChina Department of Neurology The First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina Nanjing Brain Hospital Affliated to Nanjing Medical University NanjingJiangsuChina Functional Brain Imaging Institute of Nanjing Medical University NanjingJiangsuChina

Background Increasing evidence supports the role of microRNAs(miRNAs)in major depressive disorder(MDD),but the pathophysiological mechanism remains *** To explore the mechanism of microRNA-451a(miR-451a)in the pathology and behaviours of *** Abnormal miRNAs such as miR-451a reported previously in the serum of patients with MDD were screened and then confirmed in a mouse model of depression induced by chronic restraint stress(CRS).Eight-week-old male C57BL/6 mice had miR-451a overexpression in the medial prefrontal cortex(mPFC)via adeno-associated virus serotype 9 vectors encoding a pri-mmu-miR-451a-GFP fusion protein followed by behavioural and pathological ***,molecular biological experiments were conducted to investigate the potential mechanism of miR-451a against *** The serum levels of miRNA-451awere significantly lower in patients with MDD,with a negative correlation with the Hamilton Depression Scale ***,a negative association between serum miR-451a and behavioural despair or anhedonia was observed in CRS ***,miR-451a expression was significantly downregulated in the mPFC of CRS-susceptible *** miR-451a in the mPFC reversed the loss of dendritic spines and the depression-like phenotype of CRS ***,miR-451a could inhibit CRS-induced corticotropin-releasing factor receptor 1 expression via targeting transcription factor 2,subsequently protecting dendritic spine *** Together,these results highlighted miR-451a as a candidate biomarker and therapeutic target for MDD.

关键词： therapeutic medial behaviour

Visible-light-driven photocatalysis degradation of antibiotic pollutants by La-doped CeO_(2) nanorods:synergy of La doping and oxygen vacancy

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Rare Metals 2024年第7期43卷 3134-3145页

作者： Shi-Hai cao Jing-Ru Qu Yu-Qi Zhao yun-Tong Sun Wen-Tong Gao Bing Han Yao Lu College of Environmental Engineering Nanjing Institute of TechnologyNanjing 211167China School of Materials Science and Engineering Nanjing Institute of TechnologyNanjing 211167China School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological UniversitySingapore 637459Singapore Institute of Environmental Health and Ecological Security School of Environment and Safety EngineeringJiangsu UniversityZhenjiang 212013China Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment Suzhou University of Science and TechnologySuzhou215009China

Elemental doping is an effective strategy to enhance photocatalytic activity and extend the light absorption range of single-component *** this work,a series of La-doped CeO_(2) nanorods(La-CeO_(2)-x) with La content of 1 wt%-15 wt% are synthesized by a simple hydrothermal method and further used as photocatalyst for sulfamerazine(SMR) *** prepared La-CeO_(2)-x nanorods exhibit a great improvement in electron-hole pair migration and visible-light response due to the synergistic effect of abundant oxygen vacancies and heterogeneous elements(La).Consequently,La-CeO_(2)-x exhibited excellent visible-light photocatalytic performances and chemical stability for SMR degradation,the La-CeO_(2)-5 sample achieved the highest SMR degradation rate of 81%,which was 3.4 times higher than that of the original CeO_(2).Furthermore,three possible degradation pathways of SMR in La-CeO_(2) photocatalytic reactions were proposed by liquid chromatography-mass spectrometry ***,density functional theory calculations were carried out to provide an in-depth understanding of the structure-performance *** its excellent properties and better photocatalytic performance,this study demonstrates that La doping in CeO_(2) is an effective way to increase oxygen vacancy and improve the photochemical properties of photocatalysts.

关键词： CeO_(2)nanorod La-doped Photocatalysis Oxygen vacancy Sulfamerazine

Experimental and numerical study of buckling-restrained braces configured with out-of-plane eccentricity under cyclic loading

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Earthquake Engineering and Engineering Vibration 2024年第4期23卷 957-971页

作者： cao Yongsheng Zhou yun Takagi Jiro Jiang Ke Deng Xuesong Fang xiaojun Earthquake Engineering Research&Test Center Guangzhou UniversityGuangzhou 510006China School of Civil Engineering Guangzhou UniversityGuangzhou 510006China Guangdong Provincial Key Laboratory of Earthquake Engineering and Applied Technology Guangzhou 510006China Key Laboratory of Earthquake Resistance Earthquake Mitigation and Structural SafetyMinistry of EducationGuangzhou 510006China Graduate School of Urban Environmental Sciences Tokyo Metropolitan UniversityTokyo 192-0397Japan Department of Civil and Natural Resources Engineering University of CanterburyChristchurch CT13ANNew Zealand

This study focuses on variations in the hysteretic behavior of buckling-restrained braces(BRBs)configured with or without out-of-plane eccentricity under cyclic ***-static experiments and numerical simulations were carried out on concentrically and eccentrically loaded BRB specimens to investigate the mechanical properties,energy dissipation performance,stress distribution,and high-order deformation *** experimental and numerical results showed that compared to the concentrically loaded BRBs,the stiffness,yield force,cumulated plastic ductility(CPD)coefficient,equivalent viscous damping coefficient and energy dissipation decreased,and the yield displacement and compression strength adjustment factor increased for the eccentrically loaded *** the existence of the out-of-plane eccentricity,the initial yield position changes from the yield segment to the junction between the yield segment and transition segment under a tensile load,while the initial high-order buckling pattern changes from a first-order C-shape to a secondorder S-shape under a compressive load.

关键词： buckling-restrained brace out-of-plane eccentricity experiment numerical simulation mechanical properties