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认知保守主义评析

中国社会科学评价 2024年第2期 137-146,160页

作者：王华平中山大学哲学系(珠海) 珠海519082

认知保守主义认为,认知者仅凭相信一个信念就可为其所持信念带来某种程度的合理性。尽管这个主张看起来违反直觉,但支持者认为它不仅是可捍卫的,而且有诸多认知益处,比如解释一些基本哲学方法的合理性、记忆信念与忘却证据的信念的理证... 详细信息

认知保守主义认为,认知者仅凭相信一个信念就可为其所持信念带来某种程度的合理性。尽管这个主张看起来违反直觉,但支持者认为它不仅是可捍卫的,而且有诸多认知益处,比如解释一些基本哲学方法的合理性、记忆信念与忘却证据的信念的理证,解决不充分决定问题、怀疑论问题。要在厘清认知保守主义的理论内涵的基础上对其进行深度分析。认知保守主义如果具有所声称的认知益处的话,那它就不是可捍卫的;如果它是可捍卫的,那它就不具有所声称的认知益处。

关键词：认识论认知保守主义认知益处任意性

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山梨醇杂质对异山梨醇型聚碳酸酯聚合的影响

塑料工业 2024年第2期52卷 24-30,53页

作者：范期程王亚宁郭明法乌婧王华平东华大学材料科学与工程学院纤维材料改性国家重点实验室上海201620 东华大学纺织科技创新中心纺织产业关键技术协同创新中心上海201620

异山梨醇型聚碳酸酯(PIC)是一类理想的可替代传统双酚A型聚碳酸酯(BPA-PC)的生物基聚碳酸酯,具有广泛的应用前景。然而,异山梨醇(IS)中的痕量杂质会干扰聚合反应,导致产物分子量低、易黄变,产业化应用受到严重制约。探究杂质对PIC聚合... 详细信息

异山梨醇型聚碳酸酯(PIC)是一类理想的可替代传统双酚A型聚碳酸酯(BPA-PC)的生物基聚碳酸酯,具有广泛的应用前景。然而,异山梨醇(IS)中的痕量杂质会干扰聚合反应,导致产物分子量低、易黄变,产业化应用受到严重制约。探究杂质对PIC聚合的影响可为其性能优化提供思路。以异山梨醇和碳酸二苯酯(DPC)作为原料,乙酰丙酮锂作为催化剂,通过熔融酯交换缩聚法成功制备了PIC,黏均分子量(Mη)达40180,玻璃化转变温度(T g)可高达174℃。通过反向添加法结合碳酸酯交换反应动力学探究了山梨醇杂质对PIC聚合的影响。结果表明,山梨醇的存在会显著降低PIC的聚合反应速率(k′)和分子量,山梨醇含量为异山梨醇及杂质物质的量总量的1%时,Mη降低了22042。并且随着山梨醇含量的增多,PIC由淡黄色逐渐变成棕黑色。此外,山梨醇的增多会使PIC的T g以及热稳定性出现轻微的下降现象。

关键词：异山梨醇山梨醇聚碳酸酯酯交换动力学杂质

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隔离开关合闸状态的非接触自动检测方法

激光技术 2024年第5期48卷 734-738页

作者：苑龙祥汪华平王阳刘敬之曲全磊国网新疆电力有限公司电力科学研究院乌鲁木齐830011 国网电力科学研究院武汉南瑞有限责任公司武汉430074 国网青海省电力公司电力科学研究院西宁810008

为了提升隔离开关合闸状态自动检测效果,采用了基于激光位移传感器的隔离开关合闸状态非接触自动检测方法,使激光位移传感器的分辨率达到最大值,优化了激光位移传感器的光学参数,提升了其位移测量精度;通过光学参数优化后的激光位移传感... 详细信息

为了提升隔离开关合闸状态自动检测效果,采用了基于激光位移传感器的隔离开关合闸状态非接触自动检测方法,使激光位移传感器的分辨率达到最大值,优化了激光位移传感器的光学参数,提升了其位移测量精度;通过光学参数优化后的激光位移传感器,采集隔离开关轮廓曲线,得到隔离开关轮廓曲线采样点集;利用最小二乘法拟合隔离开关轮廓曲线采样点的椭圆方程,并计算隔离开关导电臂与水平方向的夹角;当导电臂夹角处于规定夹角区间内,则判定合理开关合闸到位,完成隔离开关合闸状态非接触自动检测。结果表明,该方法计算的前、后导电臂夹角分别在0.4°与0.5°左右,均低于夹角规定区间。这一结果对实现隔离开关合闸状态非接触自动检测是有帮助的。

关键词：激光技术测量与计量隔离开关激光位移传感器合闸状态非接触自动检测最小二乘法

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中国老年护理机构安宁疗护服务模式构建研究

中国全科医学 2024年第22期27卷 2739-2744页

作者：王华萍朱华杰祝春满潘丹红上海市浦东新区老年医院安宁疗护科 201314 上海市浦东医院神经内科 201300

背景随着社会老龄化进程的加快,对安宁疗护服务的需求日益增加,但我国的安宁疗护发展起步较晚,相关的机构建设标准、管理规范还在试行阶段。老年护理机构作为重要的医养一体化服务机构之一,目前尚缺乏行之有效且同质化的安宁疗护服务模... 详细信息

背景随着社会老龄化进程的加快,对安宁疗护服务的需求日益增加,但我国的安宁疗护发展起步较晚,相关的机构建设标准、管理规范还在试行阶段。老年护理机构作为重要的医养一体化服务机构之一,目前尚缺乏行之有效且同质化的安宁疗护服务模式与服务体系。目的建立科学、规范、可行的老年护理机构安宁疗护服务模式。方法于2020年4—5月,系统检索中/英文数据库以获取安宁疗护服务相关文献,同时邀请5名安宁疗护领域专家开展半结构化访谈,结合文献检索和半结构化访谈结果构建初始指标体系。于2020年5月,采用目的抽样法选取15名安宁疗护相关领域专家开展两轮函询,结合课题组分析与专家建议确定指标体系。两轮函询后,开展专家小组团体面谈,对形成的指标体系做进一步优化调整。结果在两轮函询中,问卷回收率均为100.0%,专家权威系数分别为0.89和0.94,一级指标的肯德尔和谐系数分别为0.54和0.59,二级指标的肯德尔和谐系数分别为0.18、0.10。最终构建的老年护理机构安宁疗护服务模式指标体系包含须具备的资源与条件、内容和流程、考核指标3个一级指标、36个二级指标。第2轮函询中,指标的重要性得分均值为3.87~5.00分,变异系数为0~0.25,满分率为63.0%~100.0%。结论本研究构建的老年护理机构安宁疗护服务模式的科学性和可靠性较好,可以为老年护理机构开展老年患者生命末期优质医疗服务提供借鉴。

关键词：临终关怀和姑息治疗护理服务模式护理机构老年人保健服务德尔菲技术

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纳米纤维基智能创伤敷料的研究进展

材料导报 2024年第20期38卷 272-282页

作者：周美玲杜姗欧康康代云玲齐琨王华平中原工学院先进纺织装备技术省部共建协同创新中心郑州451191 东华大学纤维材料改性国家重点实验室上海201620 上海工程技术大学纺织服装学院上海201620

针对当前创面修复的高需求和现代商业敷料发展不充分之间的矛盾,通过敷料的实时监测、感染预警和按需给药功能来减轻患者痛苦、加速创面愈合成为亟待解决的问题。基于纳米纤维的特性及其在创伤修复中起到的关键作用,围绕纳米纤维基智能... 详细信息

针对当前创面修复的高需求和现代商业敷料发展不充分之间的矛盾,通过敷料的实时监测、感染预警和按需给药功能来减轻患者痛苦、加速创面愈合成为亟待解决的问题。基于纳米纤维的特性及其在创伤修复中起到的关键作用,围绕纳米纤维基智能创伤敷料的制备及响应体系,阐述了纳米纤维基智能创伤敷料的制备方法、创面微环境标志物监测体系以及敷料自响应药物缓释体系等多个领域的研究进展。最后,从理想敷料的特性、生物相容性、多功能监测和远程医疗等方面,探讨了未来纳米纤维基智能创伤敷料面临的挑战和发展趋势。

关键词：纳米纤维静电纺丝创伤敷料智能监测智能给药

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S-Doped Carbon-Coated FeS_(2)/C@C Nanorods for Potassium Storage

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Acta Metallurgica Sinica(English Letters) 2021年第3期34卷 321-328页

作者： Xin Li huaping wang Wenchao Zhang Yuezhan Feng Jianmin Ma School of Physics and Electronics Hunan UniversityChangsha 410082China Institute for Superconducting and Electronic Materials(ISEM) School of MechanicalMaterials.Mechatronics and Biomedical EngineeringFaculty of Engineering and Information SciencesUniversity of WollongongWollongongNSW 2500Australia Key Laboratory of Materials Processing and Mold(Zhengzhou University) Ministry of EducationZhengzhou UniversityZhengzhou 450002China

Potassium-ion batteries(PIBs) are promising scalable energy storage system;however,one of the challenges for its potential application is the huge volume variations during cycling due to the insertion/extraction of large size potassium ***,we fabricated the S-doped carbon-coated rod-like FeS2/C@C,which not only effectively alleviate the volume variations upon cycling but also can improve electrical conductivity and maintain the structural *** an anode material for PIBs,the rod-like FeS2/C@C electrodes delivered excellent rate performance(175 mA h g-1 at 0.5 A g-1) and stable cycle performance(262 mA h g-1 after 100 cycles at 0.1 A g-1).The superior excellent performance is associated with the unique structure of FeS2/C@*** as-synthesized FeS2/C@C is demonstrated to be a potential anode for PIBs.

关键词： Iron disulfide Carbon matrix Potassium-ion batteries Nanorods Volume variations

Superscattering of water waves

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National Science Review 2023年第7期10卷 91-97页

作者： Zijian Qin Chao Qian Lian Shen Xiaoping wang Ido Kaminer Hongsheng Chen huaping wang Key Laboratory of Ocean Observation-Imaging Testbed of Zhejiang Province Institute of Marine Electronics Engineering Ocean College Zhejiang University ZJU-Hangzhou Global Science and Technology Innovation Center Key Lab.of Advanced Micro/Nano Electronic Devices & Smart Systems of Zhejiang Zhejiang University ZJU-UIUC Institute Interdisciplinary Center for Quantum Information State Key Laboratory of Modern Optical Instrumentation Zhejiang University Jinhua Institute of Zhejiang University Zhejiang University Department of Electrical Engineering Technion-Israel Institute of Technology

Inspired by the concept of superscattering in optics,we for the first time theoretically predict and experimentally demonstrate the superscattering phenomenon in water *** subwavelength superscatterer is constructed by multi-layered concentric cylinders with an inhomogeneous depth *** superscatterer breaks the long-held single-channel scattering limit by several times and thus significantly enhances the total scattering *** underlying mechanism originates from the near degeneracy of the resonances of multiple *** fabricate the superscatterer prototype and experimentally measure the near-field patterns,which are consistent with theoretical prediction and numerical *** study opens a new avenue to strengthen water-wave scattering and deepen the understanding in water waves,which can be useful for ocean energy harvesting and harbor protection.

关键词： superscattering water wave metamaterials

ZnS/Bacterial Cellulose/Epoxy Resin(ZnS/BC/E56) Nanocomposites with Good Transparency and Flexibility

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Journal of Materials Science & Technology 2016年第2期32卷 153-157页

作者： Fangyi Guan Shiyan Chen Jingjing Yao Weili Zheng huaping wang State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Key Laboratory of High-performance Fibers and Products Ministry of Education College of Materials Science and Engineering Donghua University

ZnS/bacterial cellulose/epoxy resin （ZnS/BC/E56） nanocomposites with good transparency and flexibil-ity were prepared and characterized. When the precursor Zn^2＋ concentrations were not more than I wt%, the size of the introduced ZnS nanoparticles was smaller than 50 nm and the distribution was homo-geneous within the composites. Under the condition, outstanding transmittance more than 70g in the visible light was obtained. By incorporation of ZnS nanoparticles with excellent thermo-optic stability to the composites, the thermo-optic coefficient was obviously increased from -361 × 10^-6 to -310 × 10^-6K^-1. The good flexibility, optical and mechanical properties endow the nanocomposites potential applica- tions in the flexible optoelectronic materials.

关键词： ZnS Bacterial cellulose Epoxy resin Nanocomposites Properties

Construction of Multilayer Porous Scaffold Based on Magnetically Guided Assembly of Microfiber

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Journal of Systems Science & Complexity 2018年第3期31卷 581-595页

作者： LI Xingfu wang huaping SHI Qing SUN Tao HUANG Qiang FUKUDA Toshio Intelligent Robotics Institute School of Mechatronical Engineering Beijing Institute of Technology Beijing 100081 China Key Laboratory of Biomimetic Robots and Systems Ministry of Education Beijing 100816 China Key Laboratory of Intelligent Control and Decision of Complex Systems Beijing 100081 China

This paper proposes a novel method of magnetically guided assembly to construct multi- layer porous scaffold for three-dimensional cell culture by apply magnetic microfibers. Microfibers are composed of biocompatible and biodegradable alginate solution with homogeneous magnetic nanopar- ticles, which are continuously spun from a microfluidic device by precise pressure control of the syringe pump. Magnetic nanoparticles enable the control of magnetic field on microfibers. Meanwhile, mag- netized device combining with a round permanent magnet are utilized to guide the distribution of spouted microfibers. The device is composed by pure iron wire arrays and wax, which stimulates pow- erful magnetic flux density and magnetic field gradients for the capture and assembly of microfibers. Thus, magnetic microfibers are spun on desired places of the magnetized device by motion control of the micromanipulation robot, and precise locations are adjusted by magnetic force couple with the assist of glass micropipette. Afterwards, microfibers are spatially organized by periodic magnetic force and crossed layer-by-layer to form micro-pore structure with both length and width of 650μm. Finally, the authors construct a multilayer microfiber-based scaffold with high porosity to provide a satisfactory environment for long-term cell culture. The experimental results demonstrate the effectiveness of the proposed method.

关键词： Magnetically guided assembly magnetic microfiber magnetized device periodic magneticforce multilayer porous scaffold.