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Modified Circumpolar Deep Water inflow to the Dotson-Getz Trough in the summers of 2020 and 2022

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Advances in Polar Science 2023年第2期34卷 80-90页

作者： XIE Chunhu SHI Jiuxin SUN Yongming JIANG Jindong Guy DWILLIAMS shuai hongtao LIN Lijin XIAO Changhao CAO Yong WANG Kun Physical Oceanography Laboratory Ocean University of ChinaQingdao 266100China Center for Ocean and Climate Research First Institute of OceanographyMinistry of Natural ResourcesQingdao 266061China College of Marine Sciences Shanghai Ocean UniversityShanghai 201306China

The melting of the West Antarctic Ice Shelf has increased since the 1990s,driven by the relatively warm Circumpolar Deep Water(CDW)that penetrates into the West Antarctic Ice Shelf cavities through submarine glacial troughs across the continental *** this study,temperature,salinity,and current velocity data obtained by the Chinese National Antarctic Research Expedition in the Dotson-Getz Trough(DGT)shows clear differences in distribution of modified Circumpolar Deep Water(mCDW)in the summers of 2020 and *** with contemporaneous wind data and additional temperature and salinity data from instrumented seals,the processes and mechanisms responsible for this variation are *** with 2020,there is a significant increase in mCDW thickness in 2022,with a doubling of total heat content as the mCDW inflow path across the DGT shifts towards the eastern *** propose that a southward shift in the westerly winds in the summer of 2022 moved the upper oceanic divergence zone southward towards the continental slope,promoting the upwelling of mCDW above 500 ***,stronger westerly winds over the continental slope strengthened the eastward undercurrent,increasing the transport of this mCDW and its associated heat content to the DGT through Ekman *** observations show there is strong interannual variability in the strength,path and extent of mCDW inflows to the DGT and that care must be taken when planning observation programs for long-term monitoring of the oceanic heat input to the ice shelves of this globally significant region.

关键词： modified Circumpolar Deep Water wind Dotson-Getz Trough Amundsen Sea Antarctica

Interfacial assembly of 2D polydopamine/graphene heterostructures with well-defined mesopore and tunable thickness for high-energy planar micro-supercapacitors

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Chinese Chemical Letters 2024年第7期35卷 439-444页

作者： Jieqiong Qin Zhi Yang Jiaxin Ma Liangzhu Zhang Feifei Xing hongtao Zhang Shuxia Tian Shuanghao Zheng Zhong-shuai Wu College of Science Henan Agricultural UniversityZhengzhou 450002China State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of Chinese Academy of Sciences Beijing 100049China Mechanical and Electrical Engineering Institute Zhengzhou University of Light IndustryZhengzhou 450002China

Two-dimensional(2D)mesoporous pseudocapacitive polymer/graphene heterostructures combine the advanced merits of 2D materials and mesoporous materials,possessing unique nanosheet structure,large specific surface area(SSA),abundant oxygen/nitrogen-containing groups,desirable electrical conductivity and admirable electrochemical redox activity,and hold great potential for constructing high-performance planar micro-supercapacitors(MSCs).Herein,we demonstrate the interfacial assembly of 2D mesoporous polydopamine/graphene(mPDG)heterostructures with well-defined mesopore structure(12 nm)and adjustable thickness(7.5–14.1 nm)for planar high-energy pseudocapacitive *** to medium thickness,exposed mesopore of 12 nm and large SSA of 108 m^(2)/g,the m PDG with 10.8 nm thickness reveals prominent mass capacitance of 419 F/g and impressive cycling stability with~96%capacitance retention after 5000 ***,the symmetric mPDG-based MSCs with“water-in-salt”gel electrolyte present wide voltage window of 1.6 V,superior volumetric energy density of 11.5 mWh/cm^(3),outstanding flexibility and self-integration ***,this work offers a new platform of controllably synthesizing 2D mesoporous heterostructures for high-performance MSCs.

关键词： 2D materials Mesopores Heterostructures Polydopamine High energy density Micro-supercapacitors

桃枝枯病病原菌鉴定及品种(种质)室内抗病性评价

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果树学报 2024年第5期41卷 980-989页

作者：王丽涂洪涛侯珲周贝贝孟帅堵墨中国农业科学院郑州果树研究所郑州450009 中国农业科学院中原研究中心河南新乡453003 无锡市惠山区农业发展服务中心江苏无锡214174 浙江农林大学林业与生物技术学院·亚热带森林培育国家重点实验室杭州311300

【目的】明确桃枝枯病的病原菌以及不同桃品种(种质)对枝枯病的抗性。【方法】观察桃枝枯病田间症状。通过组织分离法对病样进行分离培养,观察分离物的形态特征,通过扩增测序其ITS、EF-1α和TUB基因序列进行分子鉴定,并对分离物进行致... 详细信息

【目的】明确桃枝枯病的病原菌以及不同桃品种(种质)对枝枯病的抗性。【方法】观察桃枝枯病田间症状。通过组织分离法对病样进行分离培养,观察分离物的形态特征,通过扩增测序其ITS、EF-1α和TUB基因序列进行分子鉴定,并对分离物进行致病性验证。选取优势病原菌种类,采用离体有伤接种枝条的方法测定37个桃品种(种质)对其的抗性,并根据病斑长度利用系统聚类方法对不同桃品种(种质)对枝枯病的抗性进行分级和评价。【结果】通过组织分离和纯化,获得54株分离物,经形态学观察和多基因系统发育分析结果显示,这些分离物有3个种,其中:35株为桃拟茎点霉(Diaporthe amygdali),5株为甜樱间座壳(Diaporthe eres),14株为葡萄座腔菌(Botryosphaer dothidea)。致病性测定试验表明,对接种后发病的病斑再分离鉴定,均能得到与原病原菌一致的菌株。抗性测定结果表明,根据病斑长度利用聚类分析将37个桃品种(种质)分为4类,类型Ⅰ有5个、类型Ⅱ有11个、类型Ⅲ有15个、类型IV有6个。抗性评价结果表明:供试品种(种质)中,免疫3个(光核桃、红花山桃和帚形山桃),占8.10%;抗病2个(白根甘肃桃和红根甘肃桃),占5.40%;中抗11个,占29.73%;感病15个,占40.54%;高感6个,占16.22%。【结论】无锡桃枝枯病的病原菌有3种分别为:***、***和***,其中***为优势种,分离频率为64.81%,不同桃品种(种质)对桃拟茎点霉菌的抗性不同,筛选到2个免疫品种(种质)、3个抗性品种(种质)。

关键词：桃枝枯病病原菌鉴定抗病性聚类分析

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高速铁路智能CTC多区段列车运行协同调整方法研究

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中国铁路 2024年第3期 38-43页

作者：王振东赵宏涛王心浩潘帅中国铁道科学研究院集团有限公司通信信号研究所北京100081 中国铁道科学研究院集团有限公司北京华铁信息技术有限公司北京100081 北京交通大学交通运输学院北京100044

为破解调度集中系统(CTC)在多区段调整方面的技术瓶颈,支撑智能高铁2.0时代多线成网运营的智能化行车调度运用场景,梳理并分析现阶段CTC智能调整方面的研究成果及问题,明确了调度管理边界及CTC系统边界将长期存在的客观性,从模型构建、... 详细信息

为破解调度集中系统(CTC)在多区段调整方面的技术瓶颈,支撑智能高铁2.0时代多线成网运营的智能化行车调度运用场景,梳理并分析现阶段CTC智能调整方面的研究成果及问题,明确了调度管理边界及CTC系统边界将长期存在的客观性,从模型构建、动态协同联盟定界机制、求解算法等方面对多区段调整方法进行探讨。立足于CTC系统现状及规划实施的智能化技术路线,从多区段调整业务主体、信息存储、相关信息综合利用技术、动态信道分配等方面,分析CTC承载多区段调整业务的可行性及技术研究路线。分析研究结果表明:基于智能CTC的多区段列车运行协同调整方法研究具有较强的可行性和紧迫性。分析过程及相关结论对大范围智能行车调度的深入研究具有参考价值。

关键词：高速铁路智能CTC 行车调度协同调整多区段调整模型

Vegetation characteristics and soil properties in grazing exclusion areas of the Inner Mongolia desert steppe

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International Soil and Water Conservation Research 2023年第3期11卷 549-560页

作者： Wenbang Gao hongtao Jiang shuai Zhang Chunxing Hai Baoyuan Liu Faculty of Geographical Science Beijing Normal UniversityBeijing100875China College of Geographical Science Inner Mongolia Normal UniversityHuhhot010022China Advanced Institute of Natural Sciences Beijing Normal University at Zhuhai519087China

In arid and semi-arid desert steppe areas,grazing exclusion with fencing is widely regarded as an effective strategy for restoring degraded vegetation and enhancing the quality of degraded *** this study,we hypothesized that grazing exclusion caused by fencing enhances both vegetation and soil properties,and that the longer an area is fenced,the more considerable the *** conducted an observational study wherein random sampling was utilized to select 9 plots fenced for ten or more years,25 plots fenced for four to nine years,25 plots fenced for one to three years and 29 free-grazing plots within an area of approximately 63,000 km^(2)of Inner Mongolia desert steppe.A one-way ANOVA revealed no significant differences in the characteristics of grassland vegetation or soil properties between grasslands fenced for one to three years and free-grazing *** 4 years of fencing,noticeable increases in above-ground biomass,litter content,Simpson index,soil organic carbon,and available nitrogen were *** positive differences in vegetation coverage,height,species richness,soil available phosphorus,and available potassium were associated with plots with a minimum of 10 years of *** soil layer with the greatest difference in the fenced-in areas for soil organic carbon was at 0-25 *** available nitrogen and available phosphorus,fencing produced the most significant differences in the 0-20 cm soil layer,while for available potassium,fencing produced the most significant differences in the 0-30 cm soil ***,the fencing did not indicate any statistically significant differences in terms of clay,silt,and sand content in any soil *** data support our hypothesis that grazing exclusion improves both vegetation and soil properties,and that longer periods of grazing exclusion result in greater degrees of *** research offers technical guidance for the reasonable choice of fencing time across a vast area of the In

关键词： Fencingtime Soil restoration Vegetation Inner Mongolian desert steppe Grazing

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基于喷水引纬的广角布织机设计

上海纺织科技 2016年第11期44卷 57-59页

作者：姚桂香瞿才新徐帅周红涛盐城工业职业技术学院江苏盐城224005

在分析现有广角布生产设备和方法的基础上,设计了基于喷水引纬的广角布织机,重点设计了钢筘横动和卷取送经等关键机构。其中,钢筘横动机构采用螺杆和扇形齿盘,单侧驱动,将打纬机构的前后往复运动转化为左右运动,实现了在钢筘前后运动的... 详细信息

在分析现有广角布生产设备和方法的基础上,设计了基于喷水引纬的广角布织机,重点设计了钢筘横动和卷取送经等关键机构。其中,钢筘横动机构采用螺杆和扇形齿盘,单侧驱动,将打纬机构的前后往复运动转化为左右运动,实现了在钢筘前后运动的同时左右横动;卷取送经机构则采用地轨、凹槽和固定装置,解决了经纱斜向布置排列的问题,且便于安装调整。

关键词：喷水织机卷取机构送经机构广角布钢筘横动机构

Two‑Dimensional Mesoporous Materials for Energy Storage and Conversion:Current Status,Chemical Synthesis and Challenging Perspectives

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Electrochemical Energy Reviews 2023年第1期6卷 614-650页

作者： Jieqiong Qin Zhi Yang Feifei Xing Liangzhu Zhang hongtao Zhang Zhong‑shuai Wu College of Science Henan Agricultural University63 Agricultural RoadZhengzhou 450002HenanChina State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of Sciences457 Zhongshan RoadDalian 116023LiaoningChina University of Chinese Academy of Sciences 19 A Yuquan RoadShijingshan DistrictBeijing 100049China

Two-dimensional(2D)mesoporous materials(2DMMs),defined as 2D nanosheets with randomly dispersed or orderly aligned mesopores of 2–50 nm,can synergistically combine the fascinating merits of 2D materials and mesoporous mate-rials,while overcoming their intrinsic shortcomings,e.g.,easy self-stacking of 2D materials and long ion transport paths in bulk mesoporous *** unique features enable fast ion diffusion,large specific surface area,and enriched adsorption/reaction sites,thus offering a promising solution for designing high-performance electrode/catalyst materials for next-generation energy storage and conversion devices(ESCDs).Herein,we review recent advances of state-of-the-art 2DMMs for high-efficiency ESCDs,focusing on two different configurations of in-plane mesoporous nanosheets and sandwich-like mesoporous ***,a brief introduction is given to highlighting the structural advantages(e.g.,tailored chemical composition,sheet configuration,and mesopore geometry)and key roles(e.g.,active materials and functional additives)of 2DMMs for high-performance ***,the chemical synthesis strategies of 2DMMs are summarized,including template-free,2D-template,mesopore-template,and 2D mesopore dual-template ***,the wide applications of 2DMMs in advanced supercapacitors,rechargeable batteries,and electrocatalysis are discussed,enlightening their intrinsic structure–property ***,the future challenges and perspectives of 2DMMs in energy-related fields are presented.

关键词： 2D materials Mesopores Nanosheets Energy storage Energy conversion

Recent advances and key opportunities on in-plane micro-supercapacitors:From functional microdevices to smart integrated microsystems

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Journal of Energy Chemistry 2023年第6期81卷 410-431,I0010页

作者： Jieqiong Qin hongtao Zhang Zhi Yang Xiao Wang Pratteek Das Feng Zhou Zhong-shuai Wu State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina College of Science Henan Agricultural UniversityZhengzhou 450002HenanChina Dalian National Laboratory for Clean Energy Chinese Academy of SciencesDalian 116023LiaoningChina

The popularization of portable,implantable and wearable microelectronics has greatly stimulated the rapid development of high-power planar micro-supercapacitors(PMSCs).Particularly,the introduction of new functionalities(e.g.,high voltage,flexibility,stretchability,self-healing,electrochromism and photo/thermal response)to PMSCs is essential for building multifunctional PMSCs and their smart selfpowered integrated *** this review,we summarized the latest advances in PMSCs from various functional microdevices to their smart integrated ***,the functionalities of PMSCs are characterized by three major factors to emphasize their electrochemical behavior and unique scope of *** include but are not limited to high-voltage outputs(realized through asymmetric configuration,novel electrolyte and modular integration),mechanical resilience that includes various feats of flexibility or stretchability,and response to stimuli(self-healing,electrochromic,photo-responsive,or thermal-responsive properties).Furthermore,three representative integrated microsystems including energy harvester-PMSC,PMSC-energy consumption,and all-in-one selfpowered microsystems are elaborately overviewed to understand the emerging intelligent interaction ***,the key perspectives,challenges and opportunities of PMSCs for powering smart microelectronics are proposed in brief.

关键词： Micro-supercapacitors In-plane Functionalization Integrated microsystem Energy storage

RCEP背景下我国纺织产业高质量发展路径探析

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山东纺织经济 2024年第1期41卷 5-8页

作者：毛雷王林玉周红涛徐帅盐城工业职业技术学院江苏盐城224005

分析了RCEP给我国纺织产业在开拓出口市场、加快海外产业链布局等方面带来的机遇,以及我国纺织产业在更加激烈的国际竞争中所面临的挑战。认为在RCEP背景下,我国纺织产业应当通过研判协定规则、聚力创新研发、树立法律意识、强化智力支... 详细信息

分析了RCEP给我国纺织产业在开拓出口市场、加快海外产业链布局等方面带来的机遇,以及我国纺织产业在更加激烈的国际竞争中所面临的挑战。认为在RCEP背景下,我国纺织产业应当通过研判协定规则、聚力创新研发、树立法律意识、强化智力支撑等措施,不断优化纺织产业链合理布局、加快转型升级步伐、提升纺织产品国际竞争力,同时,也应当加强投资及外贸风险防范,进一步加速我国纺织产业对外开放的步伐。

关键词：贸易协定纺织外贸人才培养风险防范