Results 11 to 20 of about 7,781 (128)
Methods in Ecology and Evolution, EarlyView.Abstract Molecular identification of insect food webs can accurately reveal complex trophic interactions and serve as a foundation for understanding ecosystem functioning and advancing biodiversity conservation. This process typically involves DNA library construction, high‐throughput sequencing and subsequent steps, including data assembly, annotation,
Xiao‐man Zhang +9 more
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Emerging applications of large language models in ecology and conservation science
Conservation Biology, EarlyView.Abstract Large language models (LLMs) mark a major development in artificial intelligence, with potentially transformative implications for ecology and conservation science. Built on advanced deep‐learning architectures, these models can support a wide range of tasks. We reviewed emerging applications of LLMs, drawing on the wider scientific literature
Christos Mammides +5 more
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Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Nickel‐based superalloys (Ni‐based superalloys) have attracted extensive attention in laser additive manufacturing (LAM) due to their capability to directly fabricate complex and high‐performance structural components. However, the rapid melting and solidification inherent to LAM result in intense thermal cycling, which induces high residual ...
Tianxiang Lin +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Driven by global energy transition and sustainability, sodium‐ion batteries (SIBs) have emerged as key alternatives to lithium‐ion batteries for low‐to‐medium energy storage, because of abundant sodium resources and low cost. However, their commercialization is hindered by the lack of anodes with high capacity, fast kinetics, and long‐term ...
Shuang‐Lin Cai +13 more
wiley +1 more source
Hobbyist preferences for pet freshwater turtles
Conservation Biology, Volume 40, Issue 2, April 2026.Abstract The burgeoning pet trade is a primary threat to wild freshwater turtles worldwide. Although the risks from commercial exploitation of turtles have been discussed widely, there is little empirical research on preferences for pet turtles from a hobbyists’ perspective.
Jingjing Zhao +7 more
wiley +1 more source
Genomic responses to increased temperature and pollinator selection in Brassica rapa L.
New Phytologist, Volume 250, Issue 2, Page 1231-1247, April 2026.Summary Rapid environmental change reshapes both abiotic stress and biotic interactions, yet it remains unclear how these combined forces structure plants' genomic adaptation. In particular, the joint influence of temperature and pollinator identity, two ecological axes undergoing simultaneous global shifts, has rarely been quantified at genomic ...
Yanqian Ding, Florian P. Schiestl
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Gaoya dianqi, 2021 电磁斥力机构是快速机械开关的核心部件,在快速合闸和分闸过程中巨大的电磁驱动力会给电磁斥力机构和整个机械传动系统带来强烈的瞬态冲击。针对该问题,文中对电磁斥力机构在合闸和分闸全过程中的机械特性和结构强度进行了研究。采用LS-DYNA建立快速机械开关的有限元仿真计算模型,并求解得到合闸和分闸全过程各零部件的机械运动特性和瞬态冲击强度。采用激光测距对某单断口快速机械开关进行了实验测量,得到合闸和分闸过程的时间—行程特性曲线,实验测量结果和仿真计算结果匹配良好。最后对仿真计算模型进行参数优化,从而降低合闸弹跳 ...
熊杰, 刘彬, 于海波, 刘国伟
doaj
ynthesis, Electrical Properties and Surface-enhanced Raman Spectroscopic Studies of Oligo(1,4-phenylene ethynylene)s Molecular Wires [PDF]
, 2011 分子电子学是科学研究的前沿和热点之一。分子电子学近年研究的重点是如何构建分子器件，如何表征、控制分子器件中电子的传输以及如何认知分子器件结构和功能之间的关系。金属/分子/金属结（分子结）是结构最基本、研究最广泛的分子器件单元。分子导线作为分子器件的重要组成和联系纽带，在分子电子学的发展中起着非常重要的作用。因此，分子导线的合成、组装及电子传输性能研究是当今化学、物理、生物及微电子工程学等领域里一个极具挑战性的方向。苯乙炔类(OPE)分子导线由于带有氧化还原基团（电活性基团）而具有独特的电学及光学特性 ...
戴可
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Gaoya dianqi, 2021 电网规模日趋扩大,电网短路水平不断攀升,安装限流器是一种经济可行的限流措施。文中基于大数据手段与行业通用的EMTP电磁暂态仿真方法,提出一种符合实际情况的快速开关型故障限流器电磁暂态仿真建模方法。给定时间步长,对快速开关式故障限流器内部元件的电磁暂态过程进行时域差分离散化,形成适用于EMTP电磁暂态仿真的伴随电路的形式。通过对大量的限流器的试验数据以及电力系统各种限流场景下的运行数据进行大数据特征分析,结合快速开关型故障限流器固有参数与结构特征,形成描述限流器电磁暂态过程的相关特征序列 ...
王俊生 +6 more
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Studies on spray characteristics of barbotaged atomizer [PDF]
, 2003 为了研究静止空气中气泡雾化喷嘴的液雾特性，利用粒子多普勒分析仪（PDA）和Mie散射显示法，对气泡雾化喷嘴在水压2.5 MPa和3.4 MPa条件下，较宽气液比范围内的液雾的张角、粒度及速度分布进行了测量，分析了水压、气液比、两股射流相互作用对液雾的影响。结果表明，气泡对液体射流的雾化具有较大的增强作用，同时发现在一临界气液比（介于3% ～ 4%之间），当气液比达到临界值后，射流的雾化突然增强 ...
俞刚, 岳连捷
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