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Nano Research 2023年第2期16卷 2185-2191页

作者： Yuzhuo Jiang Mengfan Wang Sisi Liu Lifang Zhang siyi qian Yufeng Cao Yu Cheng Tao qian Chenglin Yan School of Chemistry and Chemical Engineering Nantong UniversityNantong 226019China Key Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical Industry College of EnergySoochow UniversitySuzhou 215006China Light Industry Institute of Electrochemical Power Sources Suzhou 215600China

Nitrogen chemisorption is a prerequisite for efficient ammonia synthesis under ambient conditions,but promoting this process remains a significant ***,by loading yttrium clusters onto a single-atom support,an electronic promoting effect is triggered to successfully eliminate the nitrogen chemisorption barrier and achieve highly efficient ammonia *** functional theory calculations reveal that yttrium clusters with abundant electron orbitals can provide considerable electrons and greatly promote electron backdonation to the N2 antibonding orbitals,making the chemisorption process ***,according to the“hot atom”mechanism,the energy released during exothermic N2 chemisorption would benefit subsequent N2 cleavage and hydrogenation,thereby dramatically reducing the energy barrier of the overall *** expected,the proof-of-concept catalyst achieves a prominent NH3 yield rate of 48.1μg·h^(−1)·mg^(−1)at−0.2 V versus the reversible hydrogen electrode,with a Faradaic efficiency of up to 69.7%.This strategy overcomes one of the most serious obstacles for electrochemical ammonia synthesis,and provides a promising method for the development of catalysts with high catalytic activity and selectivity.

关键词： ammonia synthesis yttrium cluster electronic promoting effect rate-determining step nitrogen chemisorption barrier

基于 Arduino的物料搬运控制系统设计

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电子设计工程 2022年第12期30卷 98-102页

作者：葛旺张连震钱思屹娄素琦南京航空航天大学工程训练中心江苏南京210016 南京航空航天大学电子信息工程学院江苏南京210016 南京航空航天大学自动化学院江苏南京210016 南京航空航天大学机电学院江苏南京210016

针对提高仓储物流自动化水平,以提高物流、加工制造行业工作效率的目的,设计了一款基于Arduino的智能物料搬运车。智能物料搬运小车可以完成行进控制、循迹定位、扫码识别、颜色识别、抓取物料、定位摆放等功能。结果表明设计的智能物... 详细信息

针对提高仓储物流自动化水平,以提高物流、加工制造行业工作效率的目的,设计了一款基于Arduino的智能物料搬运车。智能物料搬运小车可以完成行进控制、循迹定位、扫码识别、颜色识别、抓取物料、定位摆放等功能。结果表明设计的智能物料搬运车的智能性和实用性强,可以在3 min内完成把指定物料从存放区搬运到放置区的任务,并且对物料进行抓取和放置的准确率达到80%。制造出来的智能物料搬运小车可以代替人工完成部分搬运工作,解决因人工分拣效率低、成本高等问题,为智慧物流加工行业提供了切实有效的解决方案。

关键词： Arduino 智能搬运扫码识别物流小车

Properties and Morphology of TiN Films Deposited by Atomic Layer Deposition

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Tsinghua Science and Technology 2014年第2期19卷 144-149页

作者： siyi Xie Jian Cai qian Wang Lu Wang Ziyu Liu the Institute of Microelectronics Tsinghua University the Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology Tsinghua University

In this study, TiN films were deposited on SiO2 substrates by Atomic Layer Deposition （ALD） using TiCI4 and NH3 as precursors. Properties and morphology of the TiN films were characterized by different methods. Using Grazing Incidence X-Ray Diffraction （GIXRD）, TiN films demonstrated polycrystalline structure with （111） preferred orientation. Film thickness was measured by Spectroscopic Ellipsometry （SE） and a stable growth rate of 0.0178 nm/cycle was reached after 500 deposition cycles, which was consistent with the essence of ALD as a surface-saturated self-limiting reaction. Film resistivity measured by a four-point probe continuously decreased with increasing deposition cycles until it reached the minimum value of 300 μΩ.cm at 5000 deposition cycles with a thickness of 87.04 nm. The surface roughness and morphology of the TiN films at different deposition cycles ranging from 50 to 400 were analyzed by Atomic Force Microscopy （AFM）. The AFM results indicated that the initial film growth follows the Stranski-Krastanov mode.

关键词： atomic layer deposition titanium nitride morphology

Effect of current emission abatement strategies on air quality improvement in China:A case study of Baotou,a typical industrial city in Inner Mongolia

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Journal of Environmental Sciences 2017年第7期29卷 383-390页

作者： Xionghui Qiu Lei Duan siyi Cai qian Yu Shuxiao Wang Fahe Chai Jian Gao Yanping Li Zhaoming Xu State Key Laboratory of Environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China Collaborative Innovation Centre for Regional Environmental Quality Tsinghua UniversityBeijing 100084China Environmental Protection Bureau of Baotou Baotou 014000China

The national Air Pollution Prevention and Control Action Plan required significant decreases in PM_（2.5） levels over *** explore more effective emission abatement strategies in industrial cities,a case study was conducted in Baotou to evaluate the current national control *** total emissions of SO_2,NO_X,PM_（2.5） and NMVOC（non-methane volatile organic compounds） in Baotou were 211.2 Gg,156.1 Gg,28.8 Gg,and 48.5 Gg,respectively in 2013,and they would experience a reduction of 30.4%,26.6%,15.1%,and 8.7%,respectively in 2017 and 39.0%,32.0%,24.4%,and 12.9%,respectively *** SO_2,NO_Xand PM_（2.5） emissions from the industrial sector would experience a greater decrease,with reductions of 37%,32.7 and 24.3%,*** 2013 to 2020,the concentrations of SO_2,NO_2,and PM_（2.5） are expected to decline by approximately 30%,10% and 14.5%,*** reduction rate of SNA（sulfate,nitrate and ammonium）concentrations was significantly higher than that of PM_（2.5） in 2017,implying that the current key strategy toward controlling air pollutants from the industrial sector is more powerful for *** air pollution control measures implemented in the industrial sector could greatly reduce total emissions,constraining the emissions from lower sources such as residential coal combustion would be more effective in decreasing the concentration of PM_（2.5） from 2017 to *** results suggest that even for a typical industrial city,the reduction of PM_（2.5） concentrations not only requires decreases in emissions from the industrial sector,but also from the low emission *** seasonal variation in sulfate concentration also showed that emission from coal-burning is the key factor to control during the heating season.

关键词： Emission abatement strategies Emission inventory Air pollutants CMAQ

Perfecting and extending the near-infrared imaging window

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Light(Science & Applications) 2021年第10期10卷 1949-1966页

作者： Zhe Feng Tao Tang Tianxiang Wu Xiaoming Yu Yuhuang Zhang Meng Wang Junyan Zheng Yanyun Ying siyi Chen Jing Zhou Xiaoxiao Fan Dan Zhang Shengliang Li Mingxi Zhang Jun qian State Key Laboratory of Modern Optical Instrumentations Centre for Optical and Electromagnetic ResearchCollege of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZhejiang University310058 HangzhouChina Intelligent Optics&Photonics Research Center Jiaxing Institute of Zhejiang University314000 JiaxingZhejiang ProvinceChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology430070 WuhanChina Key Laboratory of Reproductive Genetics(Ministry of Education) Department of Reproductive EndocrinologyWomen’s HospitalZhejiang University School of Medicine310006 HangzhouChina College of Pharmaceutical Sciences Soochow University215123 SuzhouChina

In vivo fluorescence imaging in the second near-infrared window(NIR-II)has been considered as a promising technique for visualizing ***,the definition of the NIR-II region and the mechanism accounting for the excellent performance still need to be ***,we simulate the photon propagation in the NIR region(to 2340 nm),confirm the positive contribution of moderate light absorption by water in intravital imaging and perfect the NIR-II window as 900–1880 nm,where 1400–1500 and 1700–1880 nm are defined as NIR-IIx and NIR-IIc regions,***,2080–2340 nm is newly proposed as the third near-infrared(NIR-III)window,which is believed to provide the best imaging *** wide-field fluorescence microscopy in the brain is performed around the NIRIIx region,with excellent optical sectioning strength and the largest imaging depth of intravital NIR-II fluorescence microscopy to *** also propose 1400 nm long-pass detection in off-peak NIR-II imaging whose performance exceeds that of NIR-IIb imaging,using bright fluorophores with short emission wavelength.

关键词： perfect Perfect fir

Difficult speech-on-speech recognition as a behavioral indicator in children with attention deficit hyperactivity disorder

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医学+（英文） 2024年第2期1卷 20-25页

作者： Jianing Fan Yang Liu siyi Wang qian Zhu Zhaohui Niu Ying Li qian Wang Yayue Gao School of Humanities and Social Sciences Beihang UniversityBeijing 100191China Department of Psychology Sun Yat-sen UniversityGuangzhou 51006China Department of Psychosomatic Medicine Beijing Children's Hospital Capital Medical UniversityNational Center for Children's HealthBeijing 100101China School of Psychological and Cognitive Sciences and Beijing Key Laboratory of Behavior and Mental Health Peking UniversityBeijing 100871China IDG/McGovern Institute for Brain Research Peking UniversityBeijing 100871China National Key Laboratory of General Artificial Intelligence Peking UniversityBeijing 100871China

Attention deficit hyperactivity disorder(ADHD)is one of the most prevalent neurodevelopmental disorders,which is characterized with significant difficulties in attention regulation,hyperactivity,and *** symptoms profoundly affect daily functioning and overall quality of life,and frequently persist into adulthood.1,2 ADHD's global prevalence among children and adolescents is estimated at approximately 5%to 6%,3 a statistic echoed by research conducted in China.4 The societal burden imposed by ADHD is profound,affecting educational systems,workplace productivity,and family dynamics.

关键词： attention speech children with behavioral deficit difficult disorder hyperactivity indicator

环境信息披露、绿色技术创新对融资约束的缓释效应

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证券市场导报 2021年第9期 23-33页

作者：许林林思宜钱淑芳华南理工大学经济与金融学院广东广州510006 广州大学经济与统计学院广东广州510006

“碳达峰、碳中和”被写入《政府工作报告》,将绿色低碳发展提到了前所未有的高度。本文以2008―2019年沪深A股2211家上市公司为样本,基于异质性视角研究了环境信息披露、绿色技术创新对融资约束的影响,并分析了二者的交互效应。实证结... 详细信息

“碳达峰、碳中和”被写入《政府工作报告》,将绿色低碳发展提到了前所未有的高度。本文以2008―2019年沪深A股2211家上市公司为样本,基于异质性视角研究了环境信息披露、绿色技术创新对融资约束的影响,并分析了二者的交互效应。实证结果发现:(1)环境信息披露显著缓解了企业融资约束,缓释效应在民营企业、非重污染、行业竞争激烈的公司中尤为显著;(2)绿色技术创新有效缓解了企业融资约束,且缓释效应不受企业产权性质、环保属性、行业竞争程度以及地区市场化程度的限制;(3)考虑环境信息披露和绿色技术创新的交互效应时,发现企业的融资约束缓释效应得到了进一步强化;(4)从外源融资渠道看,环境信息披露与绿色技术创新主要通过增加信贷融资来缓解融资约束,但交互效应反而抑制了信贷融资。本文从环境信息披露和绿色技术创新角度为企业提供了缓解融资约束的新思路与经验证据,有利于激发企业绿色高质量发展的活力。

关键词：环境信息披露绿色技术创新融资约束缓释效应

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玫瑰花瓣红色素提取及定性

食品科学 2007年第3期28卷 82-84页

作者：曹少谦王可兴潘思轶华中农业大学食品科技学院湖北武汉430070

对玫瑰花瓣中色素定性做了初步研究,颜色反应、红外色谱及高效液相色谱结果均表明玫瑰红色素是花色苷类色素,并且只含有一种花色素配基。玫瑰色素颜色鲜亮,且具有功能活性,可以作为一种具有天然色素添加剂。

关键词：玫瑰色素提取鉴定

银行业可扩展商业报告语言网络财务报告的优化研究

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江苏商论 2021年第4期 27-30页

作者：钱英陈思伊盐城师范学院商学院江苏盐城224007 盐城师范学院江苏盐城224007

以招商银行可扩展商业报告语言财务报告为例,从XBRL财务报告的披露内容、披露形式和XBRL软件和人才方面分析了招商银行XBRL财务报告应用存在的问题及成因,从创建符合银行本身的报送系统、完善分类标准、建立XBRL反馈机制、注重XBRL技术... 详细信息

以招商银行可扩展商业报告语言财务报告为例,从XBRL财务报告的披露内容、披露形式和XBRL软件和人才方面分析了招商银行XBRL财务报告应用存在的问题及成因,从创建符合银行本身的报送系统、完善分类标准、建立XBRL反馈机制、注重XBRL技术与人才培养和确立审计监督制度等方面,对银行业XBRL网络财务报告的应用提出优化建议与对策,希望为我国银行业XBRL财务报告的未来发展提供借鉴。

关键词： XBRL财务报告银行信息披露

锦橙果肉和果皮中游离态和键合态香气物质研究

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食品科学 2007年第10期28卷 436-439页

作者：范刚乔宇柴倩张弛张妍潘思轶华中农业大学食品科技学院湖北武汉430070

以锦橙为研究对象,应用AmberliteXAD-2吸附和溶剂洗脱分离锦橙果肉和果汁中游离态和糖苷键合态的芳香化合物,并采用GC-MS检测了锦橙果肉和果皮中的芳香物质。结果表明,锦橙果肉中检出游离态香气31种,键合态香气21种,锦橙果皮中检出游离... 详细信息

以锦橙为研究对象,应用AmberliteXAD-2吸附和溶剂洗脱分离锦橙果肉和果汁中游离态和糖苷键合态的芳香化合物,并采用GC-MS检测了锦橙果肉和果皮中的芳香物质。结果表明,锦橙果肉中检出游离态香气31种,键合态香气21种,锦橙果皮中检出游离态香气33种,键合态香气29种。果肉和果皮中游离态和键合态香气组分的构成差别较大,果肉中主要为正己醇、3-羟基己酸乙酯、丁酸乙酯、癸醛和异环柠檬醛等;果皮中则主要为芳樟醇、反金合欢醇、δ-杜松烯、柠檬醛和榄香醇等。

关键词：锦橙果皮果肉游离态香气成分键合态香气成分