Results 31 to 40 of about 6,392 (168)
Finding floral and faunal species richness optima among active fire regimes
Conservation Biology, Volume 39, Issue 6, December 2025.Abstract Changing fire regimes have important implications for biodiversity and challenge traditional conservation approaches that rely on historical conditions as proxies for ecological integrity. This historical‐centric approach becomes increasingly tenuous under climate change, necessitating direct tests of environmental impacts on biodiversity.
Zachary L. Steel +8 more
wiley +1 more source
Wireless Dual-band Bandpass Filter Design Based on Hybrid Parameter Elements [PDF]
, 2010 提出一种基于混合参数元件设计双频带通滤波器的方法,并采用该方法进行gSM(890--960 MHz)/dCS(1 710--1 880 MHz)无线双频带通滤波器的设计。经过AdS仿真设计,并制作出测量的样品实物,样品实物的测量结果和仿真结果吻合,说明该方法的可行性;同时分析该方法的优点和适用范围,对实际工程应用具有重要的参考意义。A method of designing a dual-band bandpass filter based on hybrid parameter elements is
冯晶天, 肖芬, 陈松
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Conservation Biology, Volume 39, Issue 6, December 2025.Abstract Forest cover is positively associated with fish biomass and fisheries yield in the Amazon River floodplain, and many species enter flooded forests to feed, spawn, or seek refuge from predation. Floating macrophyte beds, known as floating meadows, in Amazon floodplains support high fish diversity and serve as nursery habitat for many fishes of ...
Sam Grinstead +6 more
wiley +1 more source
MEMS Infrared Emitter Based on SOI Wafer [PDF]
, 2010 提出了一种利用微机电系统(MEMS)制造工艺技术制备的硅基微型红外光源。该光源使用绝缘体上硅(SOI)晶片作为基底材料,其上沉积多晶硅材料并通过离子注入工艺实现材料的电阻加热发光特性,SOI晶片上的单晶硅层通过重掺杂实现辐射光背向吸收自加热效应。利用SOI晶片中的掩埋二氧化硅层为刻蚀停止层,通过背面深反应离子刻蚀(drIE)技术制备微米量级的薄膜发光层结构。光源表面工作温度和辐射光谱分别通过红外热像仪和光谱辐射计测量得到。实验结果表明,该光源在表面温度约700 k时,1.3--14 ...
伞海生 +4 more
core +1 more source
Research on language recognition algorithm based on improved CFCC feature extraction [PDF]
, 2022 Aiming at the problem of low language recognition rate under low signal-to-noise ratio, a language recognition method based on fractional wavelet transform was proposed.Firstly, the adaptive filtering algorithm was used to filter the noise of the noisy ...
Hua LONG +4 more
core +1 more source
Integrative Conservation, Volume 4, Issue 3, Page 381-392, September 2025.Grazing bans improved vegetation but increased predator activity, reducing pheasant nesting success in Giant Panda National Park—highlighting trade‐offs in conservation policy. ABSTRACT Grazing has a profound impact on forest ecosystems and biodiversity.
Yifei Zhang +7 more
wiley +1 more source
Integrative Conservation, Volume 4, Issue 3, Page 362-380, September 2025.Occurrences of dust storms and long‐distance movement of dust across landscapes is constantly increasing in south Asia. This dust is expected to have profound impact on vegetation health and sustainability as dust may contribute to nutrient budgets of the forest ecosystems, while it could impart various stresses to the plants.
Shree P. Pandey +2 more
wiley +1 more source
Vondrak滤波法用于结构振动与GPS多路径信号的分离 [PDF]
, 2015 Author name used in this publication: 钟萍Author name used in this publication: 丁晓利, DING Xiao-liAuthor name used in this publication: 郑大伟Author name used in this publication: 陈武Title in Traditional Chinese: Vondrak 濾波法用於結構振動與GPS多路徑信號的分離Journal title in ...
Chen, W, Ding, XL, Zheng, DW, Zhong, P
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Risk, Hazards &Crisis in Public Policy, Volume 16, Issue 1, March 2025.Abstract Coastal storms are likely to increase in frequency and become even more damaging. An unresolved policy issue is whether current residents should receive federal subsidies through such programs as the Federal Flood Insurance Program or the FEMA disaster relief program that encourage thembe encouraged to rebuild in the same locations that have ...
Risa Palm +2 more
wiley +1 more source
Grid-connected control strategy of GFM inverter in solar-powered ship photovoltaic system [PDF]
Objective The paper aims to solve the problem of the overall stability of the ship's power system being reduced due to the use of grid-following (GFL) control for grid connection in existing solar ship photovoltaic (PV) power generation systems ...
Chunhua ZHAO +2 more
core +1 more source