Results 141 to 150 of about 157,964 (291)
野生动物学报, 2016 2014年5～8月和2015年5～8月,在北京动物园利用扫描取样法和焦点动物取样法,对10只圈养朱鹮(Nipponia nippon)雏鸟的行为发育过程进行观察。提出笼养朱鹮雏鸟的行为谱,记录雏鸟发育过程中各种行为首次出现时间,分析了朱鹮雏鸟行为时间分配及与日龄的相关性。结果表明,雏鸟出壳后至10～16日龄,以休息行为为主,休息行为时间分配达46.87%以上,随日龄增加休息行为逐渐减少,趋于稳定; 休息行为与日龄呈极显著负相关 ...
刘 佳 崔多英 毛 宇 张媛媛 刘 娜 贾 婷 刘 斌
doaj
Rare Metals, EarlyView.ABSTRACT The polyanionic compound Na3V2(PO4)3 (NVP) has emerged as a competitive cathode material for sodium‐ion batteries (SIBs), owing to its high‐voltage redox activity (3.4 V vs. the Na+/Na reference couple) and NASICON‐type framework that enables superior ionic conductivity.
Xiaolei Wu +5 more
wiley +1 more source
Giant Tunability of Individual Magnetic Skyrmion Size via an Oscillating Local Magnetic Field
Rare Metals, EarlyView.ABSTRACT Magnetic skyrmions hold great promise as memory and computing elements in future spintronic devices. Despite the demonstration of various devices, techniques for addressable and high‐precision manipulation of individual skyrmions remain scarce.
Cai‐Hong Xie +13 more
wiley +1 more source
野生动物学报, 2006 采用瞬时扫描法研究了东方白鹳（Cionia boyciana）越冬行为的活动节律和时间分配。结果表明：笼养东方白鹳在越冬期其活动有一定的节律性；越冬期的主要行为时间分配比例分别为静栖行为59.25%、避风行为11.17%、觅食行为6.41%、瞭望行为5.56%、理羽行为5.39%、游走行为5.14%；成年个体与幼雏在越冬行为时间分配上表现出了很大的差异；两性间越冬行为时间分配的差异不大；不同的温度、天气条件,对笼养东方白鹳越冬行为有影响。经观察发现：东方白鹳在高纬度北方地区越冬 ...
马雪峰 +4 more
doaj
Rare Metals, EarlyView.ABSTRACT Organic‐inorganic metal halide perovskite solar cells (PSCs) are promising for photovoltaics due to their excellent optoelectronic properties. However, achieving high efficiency and stability remains challenging, mainly due to defects and energy losses at the electron transport layer (ETL)/perovskite interface.
Jiahui Jin +8 more
wiley +1 more source
A High Capacity‐Long Cycling Concurrent Strategy of Ti3C2/MgH2 for Lithium Storage
Rare Metals, EarlyView.ABSTRACT The excellent electrical conductivity and superior cycling stability render Ti3C2 MXene a promising Li ion battery anode. Nevertheless, the practical implementation of Ti3C2 MXene in commercial applications faces significant challenges, predominantly due to the low specific capacity.
Tingting Xu +9 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Transition metal‐based amorphous/crystalline (a/c) heterostructured catalysts have garnered significant attention due to their exceptional activity, stability, and cost‐effectiveness. However, the precise synergistic regulation of interfacial composition and phase states remains challenging.
Haoran Li +3 more
wiley +1 more source
Advances in Elemene Nanodelivery Systems: From Material Design to Disease Treatment
Rare Metals, EarlyView.ABSTRACT Elemene (ELE) is a bioactive sesquiterpenoid extracted from traditional Chinese herbs, demonstrating broad‐spectrum antitumor, anti‐inflammatory, and analgesic properties with significant therapeutic potential. However, its clinical utility is constrained by inherent physicochemical limitations, including volatility and hydrophobicity, which ...
Xiao Wang +9 more
wiley +1 more source