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Satellite observations of coastal upwelling in the northern Arafura Sea

Journal of Oceanology and Limnology 2024年第2期42卷 361-376页

作者： Zheyuan YU Zhanjiu HAO Zhenhua XU peiwen ZHANG Jia YOU Baoshu YIN Hongwei YANG College of Mathematics and System Science Shandong University of Science and TechnologyQingdao 266590China CAS Key Laboratory of Ocean Circulation and Waves Institute of OceanologyChinese Academy of SciencesQingdao 266071China Pilot National Laboratory for Marine Science and Technology(Qingdao) Qingdao 266237China Center for Ocean Mega-Science Chinese Academy of SciencesQingdao 266071China University of Chinese Academy of Sciences Beijing 100049China CAS Engineering Laboratory for Marine Ranching Institute of OceanologyChinese Academy of SciencesQingdao 266071China

Coastal upwelling is significant for marine ecosystems by lifting nutrient-rich deep waters into the euphotic zone,thereby increasing primary and secondary *** satellite observations show that the northern Arafura Sea(NAS),especially in the coastal region,features high chlorophyll-a(chl-a)concentrations,implying a strong coastal ***,coastal upwelling in the NAS has not received much *** on a semi-automatic image processing technology,the seasonal and interannual variability of coastal upwelling in the NAS are investigated in this study using satellite-observed sea surface temperature(SST)and wind *** results suggest that there are seasonal coastal upwelling events in the NAS modulated by upwelling-favorable southeast monsoon(SEM).The annual mean days,mean area,and annual mean intensity of coastal upwelling events during the SEM season are 92 days,6514 km^(2),and-5.31×10^(5),respectively,while the corresponding values during the northwest monsoon(NWM)season are 32 days,5569 km^(2),and-1.41×10^(5).It is also found that the SEM coastal upwelling in the NAS displays prominent interannual *** strong upwelling events are found in 2010,2013,2016,and 2017 when the southeast monsoon winds were *** analysis suggests that at the interannual scale,the upwelling index(UI)averaged in the SEM season is negatively correlated with that of three upwelling *** can be attributed to the limitation of onshore geostrophic flow which is evidenced by the negative correlation between the UI and the alongshore difference in sea surface *** study highlights the important role of the southeast monsoon in the temporal variability of coastal upwelling in the NAS.

关键词： coastal upwelling the northern Arafura Sea southeast monsoon interannual variability

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Genome-wide binding analysis of the tomato transcription factor SlDof1 reveals its regulatory impacts on fruit ripening

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Molecular Horticulture 2021年第1期1卷 90-107页

作者： Yuying Wang peiwen Wang Weihao Wang Lingxi Kong Shiping Tian Guozheng Qin Key Laboratory of Plant Resources Institute of BotanyInnovation Academy for Seed DesignChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China

The DNA binding with one finger(Dof)proteins are plant-specific transcription factors involved in a variety of biological ***,little is known about their functions in fruit ripening,a flowering-plant-specific process that is required for seed maturation and ***,we found that the tomato Dof transcription factor SlDof1,is necessary for normal fruit *** of SlDof1 expression by RNA interference delayed ripening-related processes,including lycopene synthesis and ethylene *** profiling indicated that SlDof1 influences the expression of hundreds of genes,and a chromatin immunoprecipitation sequencing revealed a large number of SlDof1 binding sites.A total of 312 genes were identified as direct targets of SlDof1,among which 162 were negatively regulated by SlDof1 and 150 were positively *** SlDof1 target genes were involved in a variety of metabolic pathways,and follow-up analyses verified that SlDof1 directly regulates some well-known ripening-related genes including ACS2 and PG2A as well as transcriptional repressor genes such as *** findings provide insights into the transcriptional regulatory networks underlying fruit ripening and highlight a gene potentially useful for genetic engineering to control ripening.

关键词： Tomato Fruit ripening Transcriptional regulation DNA binding with one finger(Dof) chromatin immunoprecipitation followed by sequencing(ChIP-seq) RNA sequencing(RNA-seq)

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In-materio reservoir computing based on nanowire networks:fundamental,progress,and perspective

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Materials Futures 2023年第2期2卷 79-93页

作者： Renrui Fang Woyu Zhang Kuan Ren peiwen Zhang Xiaoxin Xu Zhongrui Wang Dashan Shang State Key Laboratory of Fabrication Technologies for Integrated Circuits Institute of Microelectronics of Chinese Academy of SciencesBeijing 100029People’s Republic of China Department of Electrical and Electronic Engineering The University of Hong KongHong Kong 999077People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China

The reservoir computing(RC)system,known for its ability to seamlessly integrate memory and computing functions,is considered as a promising solution to meet the high demands for time and energy-efficient computing in the current big data landscape,compared with traditional silicon-based computing systems that have a noticeable disadvantage of separate storage and *** review focuses on in-materio RC based on nanowire networks(NWs)from the perspective of materials,extending to reservoir devices and *** common methods used in preparing nanowires-based reservoirs,including the synthesis of nanowires and the construction of networks,are firstly systematically *** physical principles of memristive and memcapacitive junctions are then ***,the dynamic characteristics of nanowires-based reservoirs and their computing capability,as well as the neuromorphic applications of NWs-based RC systems in recognition,classification,and forecasting tasks,are explicated in ***,the current challenges and future opportunities facing NWs-based RC are highlighted,aiming to provide guidance for further research.

关键词： reservoir computing nanowire networks short-term memory dynamic characteristics neuromorphic computing

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Dual-doping for enhancing chemical stability of functional anionic units in sulfide for high-performance all-solid-state lithium batteries

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Journal of Energy Chemistry 2023年第11期86卷 382-390,I0009页

作者： peiwen Yu Niaz Ahmad Jie Yang Chaoyuan Zeng Xiaoxiao Liang Weiming Huang Mei Ni Pengcheng Mao Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China Analysis&Testing Center Beijing Institute of TechnologyBeijing 100081China Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources Hainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou 570228HainanChina Department of Basic Courses China Fire and Rescue InstituteBeijing 102202China College of Chemistry Jilin UniversityChangchun 130012JilinChina Key Laboratory of Physics and Technology for Advanced Batteries of Ministry of Education Jilin UniversityChangchun 130012JilinChina Southern Marine Science and Engineering Guangdong Lab(Zhanjiang) Zhanjiang 524002GuangdongChina

The sulfide-based solid-state electrolytes(SEs)reactivity toward moisture and Li-metal are huge barriers that impede their large-scale manufactu ring and applications in all-solid-state lithium batteries(ASSLBs).Herein,we proposed an Al and O dual-doped strategy for Li_(3)PS_(4)SE to regulate the chemical/electrochemical stability of anionic PS_(4)^(3-)tetrahedra to mitigate structural hydrolysis and parasitic reactions at the SE/Li *** optimized Li_(3.08)A_(10.04)P_(0.96)S_(3.92)O_(0.08)SE presents the highestσLi+of 3.27 mS cm^(-1),which is~6.8 times higher than the pristine Li_(3)PS_(4)and excellently inhibits the structural hydrolysis for~25 min@25%humidity at *** calculations confirmed that the enhanced chemical stability was revealed to the intrinsically stable entities,e.g.,***,Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE cycled stably in Li//Li symmetric cell over 1000 h@0.1 mA cm^(-2)/0.1 mA h cm^(-2),could be revealed to Li-Al alloy and Li_(2)Oat SE/Li interface impeding the growth of Li-dendrites during ***,LNO@LCO/Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)/Li-In cell delivered initial discharge capacities of 129.8 mA h g^(-1)and 83.74%capacity retention over 300 cycles@0.2 C at ***,the Li_(3.08)Al_(0.04)P_(0.96)S_(3.92)O_(0.08)SE presented>90%capacity retention over 200 and 300 cycles when the cell was tested with LiNi_(0.8)Co_(0.15)Al_(0.05)O_(2)(NCA)cathode material vs.5 and 10 mg cm^(-2)@RT.

关键词： Dual doping High Li^(+) conductivity Air-stability Pos_(3)^(3-) functional units Stable SE/electrode interface

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Identification of a new isoform of the murine Sh2d1a gene and its functional implications

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Science China(Life Sciences) 2014年第1期57卷 81-87页

作者： WU LongYan LU peiwen MA WeiWei CHU CoCo XU HePing QI Hai Tsinghua-Peking Center for Life Sciences Laboratory of Dynamic Immunobiology School of Medicine School of Life SciencesTsinghua University

Signaling lymphocytic activation molecule （SLAM）-associated protein （SAP） is a Src homology （SH） domain 2-containing in- tracellular adaptor protein that is predominantly expressed in the hematopoietic system by T lymphocytes and NK cells. SAP protein is encoded by the SH2DIA gene located on the X chromosome. Loss-of-function mutations in SAP cause the X-linked lymphoproliferative disease （XLP）, a severe immunodeficiency characterized by heightened susceptibility to Epstein-Barr vi- rus and impaired humoral immunity. Normal individuals express several functional and non-functional isoforms of SAP as a result of alternative splicing. In this study, we identify a cryptic exon in the murine Sh2dla gene. At the mRNA level, the new isoform of SAP （SAP-2） that includes this new exon is widely expressed in lymphoid tissues by C57BL/6 and 129 strains of inbred mice. SAP-2 accounts for approximately 1%-3% of total SAP transcripts, and it is dynamically regulated during lym- phocyte activation. At the protein level, the SAP-2 isoform is a 144 amino-acid protein. Compared to the dominant 126 ami- no-acid SAP-I isoform, the additional 18 amino acids are inserted into a structural region that is critical for phosphotyrosine binding. Our functional analysis in vitro indicates that SAP-2 is a non-functional isoform due to decreased protein stability. Thus, both human and mouse have multiple SAP splice isoforms that may or may not function. Modulation of relative propor- tions of these isoforms is potentially a mechanism whereby cells can regulate SAP-mediated biological activities.

关键词： Sh2dla SAP X-linked lymphoproliferative disease (XLP) isoform

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Process analytical technologies and self-optimization algorithms in automated pharmaceutical continuous manufacturing

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Chinese Chemical Letters 2024年第3期35卷 87-95页

作者： peiwen Liu Hui Jin Yan Chen Derong Wang Haohui Yan Mingzhao Wu Fang Zhao Weiping Zhu State Key Laboratory of Bioreactor Engineering Shanghai Key Laboratory of Chemical BiologySchool of PharmacyEast China University of Science and TechnologyShanghai 200237China State Key Laboratory of Chemical Engineering School of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237China Engineering Research Center of Pharmaceutical Process Chemistry Ministry of EducationSchool of PharmacyEast China University of Science and TechnologyShanghai 200237China

The pharmaceutical industry is now paying increased attention to continuous *** the revolution to continuous and automated manufacturing is deepening in most of the top pharma companies in the world,the advancement of automated pharmaceutical continuous manufacturing in China is relatively slow due to some key challenges including the lack of knowledge on the related technologies and shortage of qualified *** this review,emphasis is given to two of the crucial technologies in automated pharmaceutical continuous manufacturing,i.e.,process analytical technology(PAT)and self-optimizing *** work published in recent 5 years employing advanced PAT tools and self-optimization algorithms is introduced,which represents the great progress that has been made in automated pharmaceutical continuous manufacturing.

关键词： Pharmaceutical continuous manufacturing Automation Process analytical technology Self-optimization algorithm

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Simulation Analysis on Polyurethane Coating of Wind Blade

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Journal of Shanghai Jiaotong university(Science) 2019年第4期24卷 496-499页

作者： CEN Haitang TIAN Wenliang LI peiwen WEI Ruitao College of Mechanical Engineering Inner Mongolia University of TechnologyHohhot 010051China

The distribution regularities of stress and displacement in the interior and on the surface of polyurethane coating are analyzed by the software of finite element analysis with the condition that the polyurethane coating of wind blade is impacted by the sand particle with different velocities and angles. The analysis results indicate that at the same impacting angle, the coating produces plastic yield more easily when the velocity of sand particle is faster and the range of the yield area is connected with the contacting time;plastic deformation wear and cutting wear on the surface of polyurethane coating are concurrent but have different effects;the sand particle impacting the coating can produce large tensile stress on the surface of the coating which causes the coating cracks to occur easily;the shear stress is symmetrically distributed on both side of the contacting point, and the coating at the contacting points lower left and lower right can be easily damaged by the shear.

关键词： coating stress erosion sand particle

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The inactivation of bacteriophages MS2 and PhiX174 by nanoscale zero-valent iron:Resistance difference and mechanisms

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Frontiers of Environmental Science & Engineering 2022年第8期16卷 247-256页

作者： Rong Cheng Yingying Zhang Tao Zhang Feng Hou Xiaoxin Cao Lei Shi peiwen Jiang Xiang Zheng Jianlong Wang School of Environment and Natural Resources Renmin University of ChinaBeijing 100872China China Water Environment Group Co.Ltd. Beijing 101101China Institute of Nuclear and New Energy Technology Tsinghua UniversityBeijing 100084China

Pathogenic enteric viruses pose a significant risk to human *** zero-valent iron(nZVI),a novel material for environmental remediation,has been shown to be a promising tool for ***,the existing research has typically utilized MS2 or f2 bacteriophages to investigate the antimicrobial properties of nZVI,and the resistance difference between bacteriophages,which is important for the application of disinfection technologies,is not yet ***,MS2 and PhiX174 containing RNA and DNA,respectively,were used as model viruses to investigate the resistances to *** bacteriophage inactivation mechanisms were also discussed using TEM images,protein,and nucleic acid *** results showed that an initial concentration of 10^(6)PFU/mL of MS2 could be completely inactivated within 240 min by 40 mg/L nZVI at pH 7,whereas the complete inactivation of PhiX174 could not be achieved by extending the reaction time,increasing the nZVI dosage,or changing the dosing *** indicates that the resistance of phage PhiX174 to nZVI was much stronger than that of *** images indicated that the viral particle shape was distorted,and the capsid shell was ruptured by *** damage to viral surface proteins in both phages was examined by three-dimensional fluorescence spectrum and sodium dodecyl sulfate polyacrylamide gel electrophoresis(SDS-PAGE).However,the nucleic acid analysis demonstrated that the nucleic acid of MS2,but not PhiX174,was *** indicated that bacteriophage inactivation was mainly attributed to the damage of nucleic acids.

关键词： Nanoscale zero-valent iron(nZVI) MS2 PhiΧ174 Resistance Inactivation Pathogenic microorganisms

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Molecular dynamics simulation study onπ-πstacking of Gemini surfactants in oil/water systems

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Chinese Journal of Chemical Engineering 2022年第10期50卷 335-346页

作者： Jule Ma peiwen Xiao Pingmei Wang Xue Han Jianhui Luo Ruifang Shi Xuan Wang Xianyu Song Shuangliang Zhao State Key Laboratory of Chemical Engineering and School of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Research Institute of Petroleum Exploration&Development(RIPED) PetroChinaBeijing 100083China Key Laboratory of Nano Chemistry(KLNC) CNPCBeijing 100083China Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir School of Environmental and Chemical EngineeringChongqing Three Gorges UniversityChongqing 404100China Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology and School of Chemistry and Chemical Engineering Guangxi UniversityNanning 530004China

Whereas theπ-πstacking interactions at oil/water interfaces can affect interfacial structures hence the interfacial properties,the underlying microscopic mechanism remains largely *** reported an all-atom molecular dynamics(MD)simulation study to demonstrate how the Gemini surfactants with pyrenyl groups affect the interracial properties,structural conformations,and the motion of molecules in the water/n-octane/surfactant ternary *** is found that the pyrenyl groups tend to be vertical to the interface owing to theπ-πstacking ***,a synergistic effect between theπ-πinteraction and steric hindrance is found,which jointly affects the coalescence of liquid ***,the existence of aromatic groups and a moderate number of surfactants helps to form *** work provides a molecular understanding of Gemini surfactants with aromatic groups in microemulsion preparation and applications.

关键词： Surfactants Interface Interfacial tension p-p stacking Microemulsion Molecular simulation

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Space Charge Layer Eff ect in Sulfide Solid Electrolytes in All-Solid-State Batteries: In-situ Characterization and Resolution

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Transactions of Tianjin University 2021年第6期27卷 423-433页

作者： Wei He Lei Zhou Muhammad Khurram Tufail Pengfei Zhai peiwen Yu Renjie Chen Wen Yang Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China School of Material Science and Engineering Beijing Institute of TechnologyBeijing 100081China

All-solid-state lithium batteries(ASSLBs)have advantages of safety and high energy density,and they are expected to become the next generation of energy storage ***-based solid-state electrolytes(SSEs)with high ionic conduc-tivity and low grain boundary resistance exhibit remarkable practical ***,the space charge layer(SCL)eff ect and high interfacial resistance caused by a mismatch with the current commercial oxide cathodes restrict the develop-ment of sulfide SSEs and *** review summarizes the research progress on the SCL eff ect of sulfide SSEs and oxide cathodes,including the mechanism and direct evidence from high performance in-situ characterizations,as well as recent progress on the interfacial modification strategies to alleviate the SCL eff *** study provides future direction to stabilize the high performance sulfide-based solid electrolyte/oxide cathode interface for state-of-the-art ASSLBs and future all-SSE storage devices.

关键词： Sulfide-based solid electrolyte Interfaces Space charge layer All-solid-state batteries

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