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In situ seed layer bandgap engineering leading to the conduction band offset reversion and efficient Sb2Se3 solar cells with high open-circuit voltage

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Journal of Energy Chemistry 2025年第2期101卷 201-212页

作者： Yanting Jiang Weiyu Wang Zhirong Chen Zhenyu Fang Qiqiang Zhu Qiao Zheng Jionghua Wu Hui deng Weihuang Wang Shuying Cheng Fuzhou University Institute of Micronano Devices & Solar Cells College of Physics & Information Engineering Jiangsu Collaborative Innovation Center for Photovoltaic Science and Engineering

Sb2Se3solar cells have achieved a power conversion efficiency（PCE） of over 10%.However,the serious open-circuit voltage deficit(VOC-deificit),induced by the hard-to-control crystal orientation and heterojunction interface reaction,limits the PCE of vapor transport deposition（VTD） processed Sb2Se3solar *** overcome the VOC-deficit problem of VTD processed Sb2Se3solar cells,herein,an in-situ bandgap regulation strategy is innovatively proposed to prepare a wide band gap Sb2（S,Se）3seed layer（WBSL） at CdS/Sb2Se3heterojunction interface to improve the PCE of Sb2Se3solar *** analysis results show that the introduced Sb2（S,Se）3seed layer can enhance the [001] orientation of Sb2Se3thin films,broaden the band gap of heterojunction interface,and realize a "Spike-like" conduction band alignment withΔEc=0.11 *** addition,thanks to the suppressed CdS/Sb2Se3interface reaction after WBSL application,the depletion region width of Sb2Se3solar cells is widened,and the quality of CdS/Sb2Se3interface and the carrier transporting performance of Sb2Se3solar cells are significantly improved as ***,the harmful Se vacancy defects near the front interface of Sb2Se3solar cells can be greatly diminished by ***,the PCE of Sb2Se3solar cells is improved from 7.0% to 7.6%;meanwhile the VOCis increased to 466 mV which is the highest value for the VTD derived Sb2Se3solar *** work will provide a valuable reference for the interface and orientation regulation of antimony-based chalcogenide solar cells.

关键词： Band gap alignment Carrier transport Crystal orientation Open circuit voltage deficit Seed-layer

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Impact of human activities on the long-term change and seasonal variability of Ebinur Lake,Northwest China

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Science China Earth Sciences 2025年第2期68卷 473-486页

作者： Haoxin deng Qiuhong TANG Zhidong ZHANG Xingcai LIU Gang ZHAO Shibo CUI Zhiping ZHANG Shuai SHAO Jianbao LIU Fahu CHEN Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Hydroscience and Engineering Department of Hydraulic EngineeringTsinghua UniversityBeijing 100084China School of Geography Nanjing Normal UniversityNanjing 210023China Group of Alpine Paleoecology and Human Adaptation(ALPHA) State Key Laboratory of Tibetan Plateau Earth SystemEnvironment and Resources(TPESER)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China

Inland lakes in arid Central Asia are particularly susceptible to the impact of climate change and human *** Lake,the largest salt inland lake in Xinjiang,Northwest China,has experienced rapid shrinkage,with human activities identified as the primary influencing ***,it remains unclear how human water use in different sectors,such as irrigation,husbandry,and industry,is responsible for the long-term change and seasonal variability of the lake area under changing *** study aims to address this knowledge gap by developing an integrated hydrological-socioeconomic-lake model that simulates the changes in the Ebinur Lake area during the period of 1950–*** simulated lake area changes under different model experiments were then compared with separate the impacts of climate change and human water use of different *** results indicate that climate change,irrigation,husbandry,and industry water uses have contributed+5%,-79%,-25%,and-1%of the long-term change in the lake area,*** climate change alone increasing the lake area,the increase in human water use has resulted in the persistent decline of Ebinur ***,husbandry water use emerges as a significant contributor to lake shrinkage,accounting for approximately one-third of the impact of ***,irrigation water use has contributed to the enhanced seasonal variability,as indicated by the difference between the maximum and minimum monthly lake area in a *** difference has increased from 120 km2in the 1950s to 183 km2in the 2010s.

关键词： Ebinur Lake Climate change Irrigation Seasonal variability Hydrological-socioeconomic-lake model

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A matrix metalloproteinase-responsive hydrogel system controls angiogenic peptide release for repair of cerebral ischemia/reperfusion injury

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Neural Regeneration Research 2025年第2期20卷 503-517页

作者： Qi Liu Jianye Xie Runxue Zhou Jin deng Weihong Nie Shuwei Sun Haiping Wang Chunying Shi Department of Human Anatomy Histology and EmbryologySchool of Basic MedicineQingdao UniversityQingdaoShandong ProvinceChina Department of Neurology The Affiliated Hospital of Qingdao UniversityQingdaoShandong ProvinceChina Department of General Practice The Affiliated Hospital of Qingdao UniversityQingdaoShandong ProvinceChina

Vascular endothelial growth factor and its mimic peptide KLTWQELYQLKYKGI(QK)are widely used as the most potent angiogenic factors for the treatment of multiple ischemic ***,conventional topical drug delivery often results in a burst release of the drug,leading to transient retention(inefficacy)and undesirable diffusion(toxicity)in ***,a drug delivery system that responds to changes in the microenvironment of tissue regeneration and controls vascular endothelial growth factor release is crucial to improve the treatment of ischemic *** metalloproteinase-2(MMP-2)is gradually upregulated after cerebral ***,vascular endothelial growth factor mimic peptide QK was self-assembled with MMP-2-cleaved peptide PLGLAG(TIMP)and customizable peptide amphiphilic(PA)molecules to construct nanofiber hydrogel ***-TIMP-QK was found to control the delivery of QK by MMP-2 upregulation after cerebral ischemia/reperfusion and had a similar biological activity with vascular endothelial growth factor in *** results indicated that PA-TIMP-QK promoted neuronal survival,restored local blood circulation,reduced blood-brain barrier permeability,and restored motor *** findings suggest that the self-assembling nanofiber hydrogel PA-TIMP-QK may provide an intelligent drug delivery system that responds to the microenvironment and promotes regeneration and repair after cerebral ischemia/reperfusion injury.

关键词： angiogenesis biomaterial blood-brain barrier cerebral ischemia/reperfusion injury control release drug delivery inflammation QK peptides matrix metalloproteinase-2 neuroprotection self-assembling nanofiber hydrogel

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Bionic Design and Analysis of a Novel Quadruped Robot with a Multistage Buffer System

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Chinese Journal of Mechanical Engineering 2022年第2期35卷 56-76页

作者： Yi Zheng kun xu Yaobin Tian Huichao deng Xilun Ding School of Mechanical Engineering and Automation Beihang UniversityBeijing 100191China

Large quadruped mammals,such as ruminants,have outstanding motion ability,including running and *** advanced motion abilities are related to the buffer effect of their complicated musculoskeletal ***,the buffer effect of most bio-robots is not satisfactory owing to the simple design of their buffer *** this paper,a physiological analysis of the ruminant musculoskeletal system is presented to explain the intrinsic buffer mechanism of *** on the physical buffer parts of the ruminant limbs,the corresponding bionic mappings were *** mappings were used to guide the mechanism design of the robot multistage buffer *** multistage buffer system includes two main buffer mechanisms:the first stage and the second *** buffer mechanism analysis of the first stage and multiple stages is discussed in theory to compare the effects between the normal single buffer system and the novel multistage buffer ***,the detailed mechanical structure of the limbs was designed based on the limb mechanism *** further verify the superior efficacy of the multistage buffer system,the corresponding walking simulation experiments were conducted after the virtual prototype of a quadruped robot with a novel limb was built *** theoretical analysis and simulation experiments prove that the bionic robot design with the novel multistage buffer system achieves better motion performance than the traditional robot buffer design and can be regarded as the design template of the robot limb.

关键词： Ruminant musculoskeletal system Bioinspired multistage buffer system Mechanism design Robotics Quadruped robot

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药剂学教学体会

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医学教育探索 2008年第5期7卷 474-475页

作者：葛月宾向梅先邓旭坤周玲中南民族大学生命科学学院药学系湖北武汉430074

从药剂学教学内容的设计、药剂学多媒体课件的制作、药剂学教学方法的多样化、药剂学教学反馈体系的建立4个方面,对药剂学教学模式进行探讨。其目的在于进一步深化药剂学课程教学改革,提高教学质量。

关键词：药剂学教学模式体会

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One Man’s Trash,Another’s Treasure

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China Today 2025年第2期74卷 62-64页

作者： deng DI 不详

The rise of secondhand goods stores,both offline and online,is another way to recycle and reuse,boosting an environment-friendly *** the Forbidden City in downtown Beijing,an old subway construction site was turned into a traditional quadrangle courtyard five years ago,becoming a cultural center for local residents to watch movies,attend band performances and go to yoga classes.

关键词： stores boosting friendly

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Brand Early Promotion Program for Fresh Agricultural Product"Longxuhuang"

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Asian Agricultural Research 2025年第1期17卷 18-21,24页

作者： Jialing deng Huizhou Engineering Vocational College Huizhou 516000China

This study focuses on"Longxuhuang",a fresh agricultural product from Longtian Town in Longmen *** establishing the objectives of brand promotion and analyzing the appropriate promotional channels,we aim to effectively position the brand,cultivate a promotional atmosphere,identify suitable channels for promotion,anticipate potential risks,and propose corresponding ***,we assess the effectiveness of the promotional strategies *** findings of this research will contribute to the brand promotion of enterprises and offer insights for the brand promotion of agricultural products in other regions.

关键词： Longtian Town Agricultural product Brand promotion Promotion program

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Life in China

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China Today 2025年第2期74卷 32-34页

作者： deng DI 不详

Two self-claimed“Beijingers”on their life in their adopted home and the changes they have seen *** Grandjean is from France and Switzerland and Greg Wollner from Canada but they proudly call themselves“Beijingers... 详细信息

关键词： travel Canada see

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Propagating subduction initiation of the Caroline Plate at the Mussau Trench

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Science China Earth Sciences 2025年第1期68卷 253-269页

作者： Chun-Feng LI Yongkang deng Tao WU Dongdong DONG Guoliang ZHANG Jiazheng ZHANG Yutao LIU Yaqing LI Fugui TANG Lulu ZHANG Department of Marine Sciences Zhejiang UniversityZhoushan316021China Laboratory of Marine Mineral Resources Laoshan LaboratoryQingdao266237China Key Lab of Marine Geology and Environment Institute of OceanologyChinese Academy of SciencesQingdao266071China Key Lab of Ocean and Marginal Sea Geology South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou510301China Science&Technology on Integrated Information System Lab Institute of SoftwareChinese Academy of SciencesBeijing100190China

New seismic imaging from the Mussau Trench confirms that,under horizontal compression on an oceanic plate boundary,it is within the young and weak oceanic plate that a trench will develop,and it is the young plate,not so long after its birth,that starts to subduct toward the old *** Mesozoic Pacific Plate cannot easily bend,under the joint horizontal compression and vertical gravity pull,even with a pre-existing weak zone in place and with a large age offset across the plate *** bending of the Caroline Plate near the northern end of the Mussau Trench started only after a long-time span of trench migration,and/or after a prolonged transition from initial compression to trench *** contrasting trench deformation and sedimentary accretion between two parallel seismic sections support an evident migration of underthrusting or significant longitudinal heterogeneity along the *** swift transition from underthrusting to non-thrusting can be explained by a counter-clockwise rotation of the Caroline *** miniature accretionary wedges develop even before the subduction initiates imply strong compression and uplifting before the underthrusting can *** of the Caroline Plate have been halted as the Mussau Trench is seismically rather quiet and the Lyra Trough to the east shows relaxational extension.

关键词： Mussau Trench Subduction initiation Seismic reflection Caroline Plate

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La-substituted W-type barium-nickel ferrites for tunable and high-performance electromagnetic wave absorption

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International Journal of Minerals,Metallurgy and Materials 2025年第3期32卷 645-656页

作者： Long Wang Jiurong Liu Shenghui Xie Yanli deng Zhou Wang Shanyue Hou Shengying Yue Gang Wang Na Wu Zhihui Zeng Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials(Ministry of Education) School of Materials Science and EngineeringShandong UniversityJinan 250061China Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education and International Center for Dielectric ResearchSchool of Electronic Science and EngineeringXi’an Jiaotong UniversityXi’an 710049China Army Engineering University of PLA College of Field Engineering Nanjing 210007China Laboratory for Multiscale Mechanics and Medical Science State Key Laboratory for Strength and Vibration of Mechanical StructuresSchool of AerospaceXi’an Jiaotong UniversityXi’an 710049China Department of Electrical and Computer Engineering Beckman Institute for Advanced Science and TechnologyUniversity of Illinois at Urbana-ChampaignUrbana 61801USA School of Chemistry and Chemical Engineering Shandong UniversityJinan 250100China

W-type barium-nickel ferrite(BaNi_(2)Fe_(16)O_(27))is a highly promising material for electromagnetic wave(EMW)absorption be-cause of its magnetic loss capability for EMW,low cost,large-scale production potential,high-temperature resistance,and excellent chemical ***,the poor dielectric loss of magnetic ferrites hampers their utilization,hindering enhancement in their EMW-absorption *** efficient strategies that improve the EMW-absorption performance of ferrite is highly desired but re-mains ***,an efficient strategy substituting Ba^(2+)with rare earth La^(3+)in W-type ferrite was proposed for the preparation of novel La-substituted ferrites(Ba_(1-x)LaxNi_(2)Fe_(15.4)O_(27)).The influences of La^(3+)substitution on ferrites’EMW-absorption performance and the dissipative mechanism toward EMW were systematically explored and ***^(3+)efficiently induced lattice defects,enhanced defect-induced polarization,and slightly reduced the ferrites’bandgap,enhancing the dielectric properties of the ***^(3+)also enhanced the ferromagnetic resonance loss and strengthened magnetic *** effects considerably improved the EMW-absorption perform-ance of Ba_(1-x)LaxNi_(2)Fe_(15.4)O_(27)compared with pure W-type *** x=0.2,the best EMW-absorption performance was achieved with a minimum reflection loss of-55.6 dB and effective absorption bandwidth(EAB)of 3.44 GHz.

关键词： electromagnetic wave absorption W-type barium ferrite rare earth dielectric

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