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Investigating the Influence of Printing Parameters on the Helical Deformation of 4D-printed Liquid Crystal Elastomer Fiber-actuators: 《Chinese Journal of Polymer Science》2025年第4期605-615,共11页Chun Zhang Reyihanguli Muhetaer Tong-Zhi Zang Shuang Fu Jun-Peng Cheng Li Yang Jian Wang Kun Yang Guo-Xia Fei Qing-Yuan Wang Xi-Li Lu He-Sheng Xia Yue Zhao; financially supported by the National Natural Science Foundation of China(Nos.52103145 and 11832007);Science&Technology Department of Sichuan Province(No.2025ZNSFSC0352);State Key Laboratory of Polymer Materials Engineering(No.sklpme-2024-1-03)。; Liquid crystal elastomers(LCEs)exhibit exceptional reversible deformation and unique physical properties owing to their order-disorder phase transition under external stimuli.Among these deformations,helical structure...; 关键词：Liquid crystal elastomer 4D printing Helical deformation Finite element simulation Fiber actuators

Automatic Control of Magnetic Helical Microrobots Docking with Target Objects in Liquid Environments: 《Journal of Bionic Engineering》2025年第2期574-584,共11页Fu Zhao Haoran Rong Lefeng Wang; supported by the National Natural Science Foundation of China(No.62273117);Pre-research Task(No.SKLRS202418B)of State Key Laboratory of Robotics and Systems(HIT).; Bio-inspired magnetic helical microrobots have great potential for biomedical and micromanipulation applications. Precise interaction with objects in liquid environments is an important prerequisite and challenge for ...; 关键词：Magnetic actuation Helical microrobots Visual servo Motion control DOCKING

Thermoresponsive helical dendronized poly(arylacetylene)s: modulating the dynamic chirality: 《Science China Chemistry》2025年第4期1486-1496,共11页Xueting Lu Lei Wang Liangxuan Ren Wen Li Afang Zhang; supported by the National Natural Science Foundation of China(22271183,22371179,21971160).; Helical poly(arylacetylene)s have formed an intriguing class of polymers;whose chiralities are dynamic and liable to external stimuli.By combining dendronized polymer topology with dendritic oligoethylene glycols(OEGs...; 关键词：poly(arylacetylene)s helical polymers thermoresponsive polymers dendronized polymers dynamic helix

Influence of 3D helical magnetic perturbations on runaway electron generation in J-TEXT tokamak: 《Plasma Science and Technology》2025年第3期36-44,共9页Wei YAN Guinan ZOU Zhongyong CHEN You LI Jiangang FANG Zhifang LIN Zhonghe JIANG Nengchao WANG Bo RAO Yangbo LI Zhengkang REN Chuanxu ZHAO Yu ZHONG Fanxi LIU Yinlong YU Zisen NIE Xun ZHOU Yuan SHENG Yuwei SUN Song ZHOU Xiaoqing ZHANG Zhoujun YANG Zhipeng CHEN Yonghua DING the J-TEXT Team; supported by the National Magnetic Confinement Fusion Energy R&D Program of China (Nos.2018YFE0309103 and 2019YFE03010004);National Natural Science Foundation of China (Nos.12475222,12205122,and 51821005);Hubei International Science and Technology Cooperation Projects (No.2022EHB003)。; A large number of runaway electrons(REs)generated during disruption can cause significant damage to next-generation large-scale tokamaks.The influence of three-dimensional(3D)helical magnetic perturbations on the supp...; 关键词：3D helical magnetic perturbations runaway electron J-TEXT tokamak

Recoater design for a helical motion binder jet additive manufacturing 3D printer: 《Particuology》2025年第3期142-153,共12页Tarek Mesto Tugdual Le Néel Jean-Yves Hascoet; Binder jet additive manufacturing is used for producing molds and cores for sand casting,by using granular material and proper binder.The conventional system uses a layer-by-layer gantry motion.The new continuous prin...; 关键词：Binder jet Additive manufacturing Powder granular material DEM calibration Angle of repose Helical motion

Chiral supramolecular catalysts of helical nanoribbon:More twist,higher enantioselectivity: 《Chinese Chemical Letters》2025年第3期259-262,共4页Cong Gao Zijian Zhu Siwei Li Zheng Xi Qingqing Sun Jie Han Rong Guo; support of this research by the National Natural Science Foundation of China(Nos.22202171,21922202,and 22272146);the Natural Science Foundation of Jiangsu Basic Research Program(No.BK20220559);the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province(No.22KJD150009);the Jiangsu Specially-Appointed Professor Plan(Z.Xi)from the Jiangsu Education Department。; Rational tuning of chiral nanostructures of supramolecular assemblies as catalysts and investigating their chiral morphology-enantioselectivity dependence is rarely reported. Herein, we report a series of supramolecul...; 关键词：Chiral supramolecular catalyst Helical nanoribbon Screw pitch ENANTIOSELECTIVITY Diels-Alder reaction

Dynamic Structural Colors in Helical Superstructures:from Supramolecules to Polymers: 《Chinese Journal of Polymer Science》2025年第3期406-428,共23页Bo Ji Lang Qin Yan-Lei Yu; financially supported by the National Natural Science Foundation of China(Nos.52233001,51927805,and 52173110);the Innovation Program of Shanghai Municipal Education Commission(No.2023ZKZD07);the Shanghai Rising-Star Program(No.22QA1401200)。; Cholesteric liquid crystals(CLCs)exhibit unique helical superstructures that selectively reflect circularly polarized light,enabling them to dynamically respond to environmental changes with tunable structural colors....; 关键词：Structural colors Cholesteric liquid crystals Elastomers Polymer network

Development of a general circumferentially nonuniform heat transfer fuel rod model for subchannel analysis and application to helical fuel rods: 《Science China(Technological Sciences)》2025年第2期15-26,共12页Junsen FU Junlong LI Xiaowen WANG Qi ZHANG Yao XIAO Hanyang GU; supported by the National Natural Science Foundation of China(Grant Nos.12075150,12322510,12135008);the Shanghai Rising-Star Program(Grant No.22QA1404500).; The subchannel analysis method is one of the most crucial transient safety analysis methods in the thermal design of nuclear reactors.The nonuniformity of circumferential heat transfer is slight in conventional pressu...; 关键词：helical fuel rod refined fuel conduction model circumferentially nonuniform heat transfer subchannel analysis method

Synthesis of Proline-Derived Helical Copolyacetylenes as Chiral Stationary Phases for HPLC Enantioseparation: 《Chinese Journal of Polymer Science》2025年第1期61-69,I0007,共10页Yue Li Shu-Ming Kang Ge Shi Yi-Fu Chen Bo-Wen Li Jie Zhang Xin-Hua Wan; supported by the National Natural Science Foundation of China(Nos.52273002 and 52333008);the funding of Boya Postdoctoral Fellowship at Peking University,BMS Junior Fellow Program and the National Funding Program for Postdoctoral Researchers(No.GZC20230031).; A series of optically active copolymers with various feed ratios have been synthesized through helix-sense-selective copolymerization catalyzed by[Rh(norbornadiene)Cl]2-triethylamine.This process involves two proline-...; 关键词：Helical copolyacetylene Chiral stationary phase High performance liquid chromatography ENANTIOSEPARATION Hydrogen bonding

Mixing behavior and mass transfer of liquid-liquid two-phase flow in an annular microchannel with helical wires: 《Chinese Journal of Chemical Engineering》2025年第1期42-56,共15页Min An Chengxiang Wang Qing Liu MengyaWang Zhirong Yang Wenpeng Li Guoli Zhou Jingtao Wang Jinli Zhang; the National Natural Science Foundation of China(22208320);the Science and Technology Program of Henan Province(212102210044);The Henan Association for Science and Technology Youth Talent Support Program(2022HYTP026).; Combining the advantages of high efficiency,low-pressure drop,and large throughput,the pore arrayenhanced tube-in-tube microchannel(PA-TMC) is a promising microreactor for industrial applications.However,most of the m...; 关键词：Microchannels Helical wires Volume of fluid(VOF) Mass transfer Optimization

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