Results 11 to 20 of about 23,320 (232)
Growing Demand and Uneven Supply: Eight Years of Nature Education in China 需求增长与供给不均:中国自然教育八年发展回顾
Integrative Conservation, EarlyView.ABSTRACT This study examines the role of nature education in advancing conservation and sustainability in China between 2014 and 2023. Drawing on national survey reports and historical–comparative methods, it analyses the dynamics of public demand, institutional supply, and practitioner capacity.
Qi Yunxi, Lyu Xiang, Huang Yu
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Integrative Conservation, EarlyView.This research reveals the functional stability of mixed species foraging flocks (MSF) and their foraging height change with different taxonomic differences along the elevational gradient at Knuckles Montane Reserve, Sri Lanka. This offers new insights into how MSFs sustain with the elevational gradients supporting the altitudinal shifting species ...
Vimukthi. R. Gunasekeara +3 more
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基于ADDIE模型的临床技能学课程在住院医师规范化培训中的应用与思考
Zhongguo shiyan zhenduanxue, 2023 我国高度重视医学教育质量，明确提出“夯实住院医师医学理论基础，强化临床思维、临床实践能力培养”的要求[1]。临床技能是医师在临床解决患者问题的技术与能力，包括：病史采集与书写、体格检查、诊断、指定治疗计划、临床程序性操作、语言表达、临床思维能力和专业态度[2]。但真实医疗服务的复杂性和多变性，导致传统的教学方法缺乏系统化、策略性，难以适应新时期医学教育“同质化”要求[3-4]。因此，有必要探索科学、创新和系统的临床技能培训课程模式。
梁玉莹 +6 more
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The Effect Analysis of Environment on Microstructure，Fracture Model and Mechanical Properties of Continuous Silicon Carbide Fibers [PDF]
, 2005 耐高温、高性能连续SiC纤维在航空航天和先进武器装备中具有特殊重要地位。SiC纤维作为陶瓷基复合材料的增强相（即复合材料的骨架），要求在高温服役环境下具有优良的热物理化学与力学性能的稳定性，这些性能显然与纤维的组成和微结构有关。因此，研究高温和有氧气氛处理对纤维的力学性能与微结构的影响，对于认识SiC纤维在服役环境下的失效机理，正确评价纤维的高温环境性能，指导纤维组分与微结构设计具有重要指导作用。国外从上世纪90年代末已经开始在这方面进行了一些研究 ...
王艳艳
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People and Nature, EarlyView.Abstract Currently, scholarship on education to foster connectedness with nature primarily focuses on children. As adults likewise face the disconnection from nature and play a key role in influencing children, it is important to understand how they perceive, engage in, and benefit from relevant programmes.
Xiaoxue Chen, Zuyi Lyu, Junxi Qian
wiley +1 more source
Molecular Design of Multi-elements Synergistic Flame Retardants and Investigation of Flame-retarded Modification on Epoxy Resins [PDF]
, 2016 无卤、低毒、绿色环保阻燃剂的研发是当今阻燃剂发展的主要趋势，其中阻燃效率高的多元素协同阻燃剂引起了广泛的关注。因此，对含磷、氮和硅三种阻燃元素的研究成为了阻燃材料领域的研究热点之一。本文分别以含硅的POSS和含磷的DOPO为阻燃基元，通过对分子结构的设计制备了不同P、Si比例的且同时含有磷、氮和硅三种阻燃元素的阻燃剂：POSS-bisDOPO（P:Si=1:4），ODMAS（P:Si=2:1），PmDOH（P:Si=1:8）和PoDOH（P:Si=1:1）。研究了阻燃剂对环氧树脂透明性、热性能 ...
刘诚
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Rare Metals, EarlyView.ABSTRACT The poor Zn chemistry of Zn metal anode and sluggish reaction kinetics of cathodes at high mass loadings are two crucial issues for hindering the application of aqueous Zn‐ion batteries (AZIBs). Herein, the hierarchical porous N‐doped carbon fibers (HPNCFs) were proposed to simultaneously optimize the reversibility of Zn plating/stripping of ...
Song Yang +6 more
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Synthesis of Phosphrous and Nitrogen Containing Flame Retardant and Its Application in Halogen-free Flame Retardant PBT [PDF]
, 2016 聚对苯二甲酸丁二醇酯（PBT）具有良好的力学性能和电性能且吸水率低，在较高温度下依然能保持其机械性能稳定，使其在汽车零部件、光纤电缆和电子电器中等领域得到广泛应用。但由于纯PBT存在阻燃性较差的缺点，燃烧过程中还存在熔融滴落，因此需要对其进行阻燃改性以满足更加严苛的应用要求。传统含卤素阻燃剂虽然效果好，可是被引燃后会产成有毒物质，使用范围受到限制。建立新型无卤、具有产业化潜力的PBT阻燃体系已成为科研工作者关注的研究热点之一。 本文以常见工业原料亚磷酸二乙酯、9，10-二氢-9-氧杂-10-磷杂菲-10-
林康彬
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Rare Metals, EarlyView.ABSTRACT Porous NiTi alloys are widely used in biomedical and engineering fields. Using the PBF‐LB technique, the TPMS and Voronoi porous parts with a porosity of ∼67% and a minimum feature size of 0.15 ± 0.02 mm were fabricated. Although the bulk sample fabricated with the same parameters is defect‐free, μ‐CT reconstruction on the porous sample ...
Wen‐Hao Zeng +7 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2018 临床实习是医学高等教育的重要环节,其目的是通过进行临床实践教学,提高医学生的临床实践能力、临床思维能力、运用医学理论知识解决实际问题的能力、同时接受继续医学教育、培养良好的医患沟通能力以及进行科学研究的能力。儿科临床教学的目的是把临床实践教学和课堂教学有机结合起来,在保持教学系统性、完整性的同时,调动学生学习的主动性、积极性,把素质教育融入到儿科临床教学实践中,改变传统的传授知识的教学方法 ...
陈鹏 +4 more
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