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Recent Advances in Fibrous Materials for Hydroelectricity Generation

Nano-Micro Letters 2025年第2期17卷 109-133页

作者： Can Ge Duo Xu Xiao feng Xing Yang Zheheng Song Yuhang Song Jingyu Chen Yingcun Liu Chong gao Yong Du Zhe Sun Weilin Xu Jian Fang College of Textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern Silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of Textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China

Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been considered a promising strategy for mitigating the energy *** materials with unique flexibility,processability,multifunctionality,and practicability have been widely applied for fibrous materials-based hydroelectricity generation(FHG).In this review,the power generation mechanisms,design principles,and electricity enhancement factors of FHG are first ***,the fabrication strategies and characteristics of varied constructions including 1D fiber,1D yarn,2D fabric,2D membrane,3D fibrous framework,and 3D fibrous gel are ***,the advanced functions of FHG during water harvesting,proton dissociation,ion separation,and charge accumulation processes are analyzed in ***,the potential applications including power supply,energy storage,electrical sensor,and information expression are also ***,some existing challenges are considered and prospects for future development are sincerely proposed.

关键词： Hydroelectricity Fibrous material Streaming potential Ion diffusion

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营养保健湿生青面条的研制与保鲜

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食品工业 2016年第12期37卷 46-49页

作者：祝烨杨磊章样扬袁高峰方旭波余辉浙江海洋学院食品与医药学院舟山316022 浙江省水产品加工技术研究联合重点实验室舟山316022

以小麦粉、鼠曲草为原辅料制作湿生青面条,通过对其烹调特性、色泽、质构、感官以及面汤指标的测定评价,获得了湿生青面条较适工艺配方:6%鼠曲草泥、17%水(以面粉质量计),其烹调特性、感官、色泽、质构及面汤指标均表现良好。同时,对湿... 详细信息

以小麦粉、鼠曲草为原辅料制作湿生青面条,通过对其烹调特性、色泽、质构、感官以及面汤指标的测定评价,获得了湿生青面条较适工艺配方:6%鼠曲草泥、17%水(以面粉质量计),其烹调特性、感官、色泽、质构及面汤指标均表现良好。同时,对湿生青面条进行保鲜试验,结果显示,在加速保藏48 h时,添加0.03%贻贝粉湿生青面条的菌落总数仍符合NY/T 1512—2014标准。

关键词：鼠曲草湿生面质构保鲜

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A novel six-legged walking machine tool for in-situ operations

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Frontiers of Mechanical Engineering 2020年第3期15卷 351-364页

作者： Jimu LIU yuan TIAN feng gao State Key Laboratory of Mechanical System and Vibration School of Mechanical EngineeringShanghai Jiao Tong UniversityShanghai 200240China

The manufacture and maintenance of large parts in ships,trains,aircrafts,and so on create an increasing demand for mobile machine tools to perform in-situ ***,few mobile robots can accommodate the complex environment of industrial plants while performing machining *** study proposes a novel six-legged walking machine tool consisting of a legged mobile robot and a portable parallel kinematic machine *** kinematic model of the entire system is presented,and the workspace of different components,including a leg,the body,and the head,is analyzed.A hierarchical motion planning scheme is proposed to take advantage of the large workspace of the legged mobile platform and the high precision of the parallel machine *** repeatability of the head motion,body motion,and walking distance is evaluated through experiments,which is 0.11,1.0,and 3.4 mm,***,an application scenario is shown in which the walking machine tool steps successfully over a 250 mmhigh obstacle and drills a hole in an aluminum *** experiments prove the rationality of the hierarchical motion planning scheme and demonstrate the extensive potential of the walking machine tool for in-situ operations on large parts.

关键词： legged robot parallel mechanism mobile machine tool in-situ machining

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浙江省嵊州市农村糖尿病患者健康教育效果评价

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中国健康教育 2013年第5期29卷 456-458页

作者：袁高锋黄培余张立平浙江省嵊州市剡湖街道社区卫生服务中心浙江嵊州312400

目的评价健康教育对农村糖尿病患者的干预效果,以提高农村糖尿病患者的生活质量。方法对浙江省嵊州市剡湖街道219例农村糖尿病患者开展健康教育1年,在干预前后进行问卷调查。结果干预后农村糖尿病患者对糖尿病11项相关知识的知晓率均高... 详细信息

目的评价健康教育对农村糖尿病患者的干预效果,以提高农村糖尿病患者的生活质量。方法对浙江省嵊州市剡湖街道219例农村糖尿病患者开展健康教育1年,在干预前后进行问卷调查。结果干预后农村糖尿病患者对糖尿病11项相关知识的知晓率均高于干预前(P<0.05);干预后患者相信糖尿病能预防(86.92%)、相信改善行为生活方式可以控制血糖(83.64%)、相信遵医嘱服药可以控制血糖(91.59%)的比例均高于干预前;干预后患者合理饮食(84.11%)、按医嘱用药(89.72%)和定期检测血糖(64.95%)较干预前有明显提高,以上干预前后差异均有统计学意义(P<0.05)。干预后患者血糖控制理想率为47.20%,较干预前有明显提高(P<0.05)。结论健康教育能明显提高农村糖尿病患者糖尿病相关知识的知晓率,改变其相关态度和行为,改善其血糖水平。

关键词：农村糖尿病患者健康教育效果评价

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Novel method of gait switching in six-legged robot walking on continuous-nondifferentiable terrain by utilizing stability and interference criteria

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Science China(Technological Sciences) 2020年第12期63卷 2527-2540页

作者： MAO LiHeng TIAN yuan gao feng ZHAO Yue State Key Laboratory of Mechanical System and Vibration Department of Mechanical EngineeringShanghai Jiao Tong UniversityShanghai 200240China

Continuous-nondifferentiable terrains are extremely challenging for the environment adaption of six-legged robots. Previous researches have focused on gait planning methods to improve inherent ability of legged robots to walk over moderate ***,most six-legged robots utilize relatively monotonic gait so that they still cannot well adapt tough terrains. As a result,the current legged robots easily get stuck and fall when encountering continuous-nondifferentiable terrains,such as ***,a method of gait switching is proposed so that six-legged robots can flexibly generate multiple gaits to adapt complex terrains. This study investigated the relationship between six-legged robot gait topologies and physical constraints,such as robot stability and robot-terrain interference. The proposed gait switcher can generate 0-6,1-5,2-4 and 3-3 gaits,which is instructed by the stability and interference criteria. Simulations and experiments were performed on a novel six-legged robot Hexa-XIII that succeeded climbing stairs over 45°. The effectiveness of the gait switching method is validated by the experiment results.

关键词： six-legged robot continuous-nondifferentiable terrain gait switching method stability criteria interference criteria

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Step rolling planning of a six-legged robot with 1-DOF waist for slope climbing

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Science China(Technological Sciences) 2019年第4期62卷 597-607页

作者： TIAN yuan gao feng LIU JiMu CHEN XianBao State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong University

Walking on inclined terrains or slopes is challenging for multi-legged robots. Robots should be able to handle more strict constraints imposed by the physical system than they do on flat terrains, such as smaller leg workspace and tighter stability margin. At the same time, robots need to autonomously generate constrained and stable motions to accommodate terrain inclination and unevenness. With regard to these issues, this paper provides a solution from two perspectives, mechanism design and planning methodology. The robot mechanism with a 1-DOF waist is firstly proposed to meet the requirements of the leg workspace and the static stability. After that, a step rolling planning scheme is introduced, in which the robot schedules its body planar 2D motion according to the human guidance and plans its elevation, roll, pitch as well as leg motions autonomously incorporating sensory feedbacks. The step rolling planning scheme ensures smooth and safe motion transitions from step to *** last, simulations and experiments are carried out, demonstrating the effectiveness of our mechanical design and the proposed planning method.

关键词： six-legged robot robot waist slope climbing motion planning

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Investigation ofβ—‑decay half‑life and delayed neutron emission with uncertainty analysis

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Nuclear Science and Techniques 2023年第1期34卷 111-123页

作者： Yu‑feng gao Bo‑Shuai Cai Cen‑Xi yuan Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Sino‑French Institute of Nuclear Engineering and Technology Sun Yat-Sen UniversityZhuhai 519082China

β-decay half-life and β-delayed neutron emission(βn) are of great importance in the development of basic science and industrial applications, such as nuclear physics and nuclear energy, where β--decay plays an important role. Many theoretical models have been proposed to describe β-decay half-lives, whereas the systematic study of βn is still rare. This study aimed to investigate β--decay half-lives and βn probabilities through analytical formulas and by comparing them with experimental data. Analytical formulas for β--decay properties have been proposed by considering prominent factors, that is, decay energy,odevity, and the shell effect. The bootstrap method was used to simultaneously evaluate the total uncertainty on calculations,which was composed of statistic and systematic uncertainties. β--decay half-lives, βn probabilities, and the corresponding uncertainties were evaluated for the neutron-rich region. The experimental half-lives were well reproduced. Additional predictions are also presented with theoretical uncertainties, which helps to better understand the disparity between the experimental and theoretical results.

关键词： Neutron-rich nucleus -delayed neutron emissions Bootstrap method

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Enhanced electromagnetic wave absorption properties of ZIF-67 modified polymer-derived SiCN ceramics by in situ construction of multiple heterointerfaces

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Rare Metals 2023年第5期42卷 1635-1644页

作者： Tao-Bo Geng gao-yuan Yu gao-feng Shao Xiao-Gu Huang School of Chemistry and Materials Science Nanjing University of Information Science&TechnologyNanjing210044China

Multiphase polymer-derived ceramics have the advantages of thermal stability and adjustable dielectric properties,which exhibit significant potential for use in high-temperature microwave absorbing ***,Co-containing polymer-derived SiCN(Co-SiCN)ceramics were successfully synthesized by the physical mixing of zeolitic imidazolate framework(ZIF)-67 and polysilazane precursors and subsequent *** phase and chemical compositions,microstructures,dielectric properties,electromagnetic wave absorption(EWA)performance,and mechanism of the ceramics were *** results showed that the introduction of ZIF-67 promoted the in situ formation of dielectric loss phases,including SiC nanocrystals,CoSi nanocrystals,and free *** phase composition can be regulated by controlling the pyrolysis temperature to achieve ideal EWA *** Co-SiCN ceramic pyrolyzed at 1500℃demonstrated excellent EWA performance,with a maximum effective absorption band(EAB_(max))of 3.0 GHz at an ultralow thickness of 1.05 mm and minimum reflection loss(RL_(min))of-46.4 dB at a low frequency of 6 *** with other reported SiCN-based ceramics containing magnetic metals,the ceramics prepared in this study stand out because of their low RL and high EAB at low *** superior microwave absorption performance of the Co-SiCN ceramics is attributed to the heterointerface polarization,and impedance matching induced by the synergistic effects of their co-existing electromagnetic transparent/absorption *** study provides new insights into the development of high-performance SiCNbased microwave absorbers.

关键词： Polymer-derived SiCN ceramic Multiple heterointerfaces Zeolitic imidazolate framework(ZIF-67) Electromagnetic wave absorption(EWA)

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Rumor detection with self-supervised learning on texts and social graph

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Frontiers of Computer Science 2023年第4期17卷 155-169页

作者： yuan gao Xiang WANG Xiangnan HE Huamin feng Yongdong ZHANG School of Information Science and Technology University of Science and Technology of ChinaHefei 230026China Beijing Electronic Science and Technology Institute Beijing 102627China

Rumor detection has become an emerging and active research field in recent *** the core is to model the rumor characteristics inherent in rich information,such as propagation patterns in social network and semantic patterns in post content,and differentiate them from the ***,existing works on rumor detection fall short in modeling heterogeneous information,either using one single information source only(e.g.,social network,or post content)or ignoring the relations among multiple sources(e.g.,fusing social and content features via simple concatenation).Therefore,they possibly have drawbacks in comprehensively understanding the rumors,and detecting them *** this work,we explore contrastive self-supervised learning on heterogeneous information sources,so as to reveal their relations and characterize rumors ***,we supplement the main supervised task of detection with an auxiliary self-supervised task,which enriches post representations via post ***,given two heterogeneous views of a post(i.e.,representations encoding social patterns and semantic patterns),the discrimination is done by maximizing the mutual information between different views of the same post compared to that of other *** devise cluster-wise and instance-wise approaches to generate the views and conduct the discrimination,considering different relations of information *** term this framework as self-supervised rumor detection(SRD).Extensive experiments on three real-world datasets validate the effectiveness of SRD for automatic rumor detection on social media.

关键词： rumor detection graph neural networks selfsupervised learning social media

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Effects of different cooking methods on health-promoting compounds of broccoli

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2009年第8期10卷 580-588页

作者： gao-feng yuan Bo SUN Jing yuan Qiao-mei WANG Department of Horticulture Zhejiang University Hangzhou 310029 China Key Laboratory of Horticultural Plant Growth Development and Quality Improvement Ministry of Agriculture Hangzhou 310029 China

The effects of five domestic cooking methods,including steaming,microwaving,boiling,stir-frying,and stir-frying followed by boiling(stir-frying/boiling),on the nutrients and health-promoting compounds of broccoli were *** results show that all cooking treatments,except steaming,caused significant losses of chlorophyll and vitamin C and significant decreases of total soluble proteins and soluble *** aliphatic and indole glucosinolates were significantly modified by all cooking treatments but not by *** general,the steaming led to the lowest loss of total glucosinolates,while stir-frying and stir-frying/boiling presented the highest ***-frying and stir-frying/boiling,the two most popular methods for most homemade dishes in China,cause great losses of chlorophyll,soluble protein,soluble sugar,vitamin C,and glucosinolates,but the steaming method appears the best in retention of the nutrients in cooking broccoli.

关键词： Broccoli Cooking Glucosinolates Vitamin C Chlorophyll Soluble sugar

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