Results 21 to 30 of about 4,384 (148)
Integrative Conservation, EarlyView.We found the estimated use of tiger bone glue within the last 12 months to be 6.9%. We found a stated motivation of taking TBG to improve health, and by the suggestion of one's social group. We suggest reducing the acceptability of TBG as medicine and encouraging non‐animal‐based medicinal alternatives.
Elizabeth Oneita Davis +5 more
wiley +1 more source
Study on the Aging of Styrene Butadiene Rubber [PDF]
, 2017 橡胶是高分子材料中重要的组成部分，其中，丁苯橡胶（SBR）是消耗量最多的通用型人工制造的橡胶品种，以其优越的性能而被大范围地应用。然而，在实际的贮存和使用之时，往往会受到种种环境因素的作用，如氧、光和热等，使其发生老化导致原有优良性能的降低。因此，研究橡胶材料老化行为与老化机理可为防老研究奠定基础。但目前的研究对于老化机理和微观结构分析较少，亦少有研究建立了人工老化和自然老化的关系。本文采用1H-NMR、FT-IR和UV-Vis方法对2种丁苯橡胶（SBR-1502和含填料二氧化硅的SBR-SiO2 ...
王相鹏
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Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant phenology is crucial for understanding plant growth and climate feedback. It affects canopy structure, surface albedo, and carbon and water fluxes. While the influence of environmental factors on phenology is well‐documented, the role of plant intrinsic factors ...
Yunpeng Luo +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT The limited osteogenic capacity of magnesium phosphate cement (MPC) has constrained its biomedical applications, underscoring the necessity to develop MPC with enhanced physical properties and bone‐forming capabilities. In this study, a multifunctional MPC system was developed by incorporating zoledronic acid‐loaded near‐infrared (NIR ...
Bin Wang +8 more
wiley +1 more source
Aging Mechanisms of Li-ion Batteries: Experimental Validation and Model Simulation [PDF]
, 2016 电能在交通运输工具等领域的运用是解决城市空气污染的有效途径。纯电动汽车(EV)和混合动力汽车(HEV)成为汽车发展的新趋势。目前，EV和HEV所采用的动力能源主要为锂离子电池，锂离子电池的性能是电动汽车发展的关键。其中，电池的寿命是锂离子电池在实际应用中面临的主要挑战之一。深入理解锂离子电池老化机理有助于改善电池的循环寿命。理论模拟是研究电池老化机理的有效手段。通过模拟，不仅可以解释实验观察到的老化现象，还可以预测实验不易观察到的结果，为更好地指导锂离子电池的生产制造和使用管理提供理论依据 ...
李东江
core
Beyond Motivation: Modeling the Predictive Role of L2 Pride in Informal Digital Learning of English
International Journal of Applied Linguistics, Volume 35, Issue 4, Page 1938-1952, November 2025.ABSTRACT This study investigates the role of second language (L2) pride—an understudied affective factor—in shaping learners’ language learning motivation and involvement with informal digital learning of English (IDLE). Drawing on questionnaire data from 1388 Chinese university EFL students, the study employs structural equation modeling to examine ...
Minlin Minny Zou +3 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2023 小胶质细胞是由血液中的单核细胞演化而来，是中枢神经系统内特殊的免疫细胞，也是神经炎症的主要调节因素之一，在生理学上对宿主防御和组织修复至关重要。小胶质细胞在大脑老化的过程中起到重要作用，本文就此内容展开综述。1 大脑认知功能老化的机制大脑认知的变化是衰老的正常过程。大脑的概念推理、
张晓雯, 姜金兰, 吴晓冬
doaj
Study on the Aging and Anti-Aging of Thermoplastic Polyurethane Elastomer [PDF]
, 2017 高分子材料因质轻、性能优而被越来越多地应用在各行各业中。其中既有橡胶高弹性，又有塑料可加工性的热塑性聚氨酯弹性体（TPU）是最具有商业价值的高分子材料之一，被广泛应用于涂料、胶黏剂、薄膜、鞋底、汽车内饰、生物材料等工业品及日常生活用品中。 高分子材料常受阳光、水、温度和机械应力等各种环境因素的影响，性能劣化，丧失价值。所以对高分子材料的老化行为进行研究具有重要的理论和现实意义。迄今为止，一些关于TPU老化的研究都主要集中于对物理和机械性能的讨论，几乎没有对其老化机理的研究。 本文采用红外（FT-IR ...
杨慧
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Integrative Conservation, Volume 4, Issue 3, Page 430-441, September 2025.Our study identifies southern China, including mountainous regions and islands, as key areas rich in phylogenetic diversity, and phylogenetic endemism of lizards that are currently under‐protected. Current protected areas however do not adequately cover regions that are critical for preserving the evolutionary history of lizards.
Tao Liang (梁涛) +8 more
wiley +1 more source
Dianci bileiqi, 2014 针对ZnO压敏电阻经受多次8/20雷电流冲击后交流老化特性变化的问题,通过对ZnO压敏电阻老化机理的理论分析,并对ZnO压敏电阻样品进行不同次数的冲击老化实验后再进行交流老化实验测量其静态参数的变化,发现适当次数的大电流冲击会增强ZnO压敏电阻的交流耐受能力;ZnO压敏电阻的U1 mA和U0.1 mA在交流老化过程中呈现小幅上升、缓慢下降、快速减小的趋势,非线性系数则呈现持续缓慢降低而后快速下降的趋势;根据实验结果,得出电子陷阱及离子迁移是交流老化初始和中期的主要老化机理,而热破坏在老化末期起主要作用。
陈璞阳 +4 more
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