Results 51 to 60 of about 17,157 (203)

Leakage Current Dominated Piezocatalysis by Na(AlSi2O6)H2O Nanobelts: Highly Efficient U(VI) Solidification and N2 Conversion

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Piezocatalysis has garnered unprecedented research enthusiasm for applications in energy and environmental fields, as it can harvest the tiny vibration energy from the natural environment and convert it into electrical energy to drive catalytic reactions.
Feixue Gao   +9 more
wiley   +1 more source

钻孔应变数据的环境响应去除与震前异常提取

open access: yesDizhen xuebao
基于四川省姑咱台的钻孔应变观测数据,研究了2013年4月芦山MS7.0地震的应变异常。首先通过时间序列分解法去除芦山地震前后(2011年1月至2014年1月)观测数据的长期背景趋势和周期趋势,其次采用多通道奇异谱分析法分解数据,去除水位和气压引起的应变响应,最后提取应变数据中的震前负熵异常。结果表明:水位与水位应变响应的相关系数为−0.97;有96.1%天的日气压与其应变响应的相关系数的绝对值大于0.9,验证了本文环境响应去除算法的有效性;负熵异常累积与贝尼奥夫应变累积的一致性表明,震前4 ...
Kaiguang Zhu   +7 more
doaj   +1 more source

An Asymmetric Sandwich‐Structured Hydrogel Enables High‐Output Stable Moist–Electric Generation and Self‐Powered Sensing

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Moisture‐enabled electricity generation technology offers a new paradigm for sustainable energy harvesting, but its practical applications are still limited by issues such as low output power and insufficient long‐term stability. In this paper, an asymmetric sandwich‐structured hydrogel moist–electric generator (SSHMEG) with an ion ...
Peng Chen   +7 more
wiley   +1 more source

Estimating Impervious Surface Areas (ISA) and Linking ISA with Stream Water Quality in the Jiulong River Basin [PDF]

open access: yes, 2012
我国正处于城市化快速发展阶段,城市化进程导致了不透水地表(impervioussurfacearea,ISA)的增加,河流湖泊等地表水水质退化。本研究选取城市化进程较快,涉及区域饮用水安全的东南沿海流域—九龙江流域为代表性流域,采用遥感、GIS、现场监测和统计分析相结合的方法,基于归一差值不透水面指数法(NDISI,normalizeddifferenceimpervioussurfaceindex)和线性光谱混合模型(LSMM,linearspectralmixturemodel ...
冯媛
core  

论水利工程对生态环境的影响评价

open access: yes生态环境与保护, 2020
水利水电工程是十分重要的民生工程,由于施工技术和施工水平有限,水利工程建设中也会对生态环境造成不同程度的影响。在工程建设中,应建立更为科学和完善的生态环境影响评价指标体系,进而明确生态环境破坏现状,采取有效的改进措施。本文就将分析水利工程对生态环境的影响评价,以供参考。
晓原 张
semanticscholar   +1 more source

Laser‐Driven Halide Exchange and High‐Resolution Multicolor Patterning of Perovskite Films

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Translating the excellent properties of metal halide perovskites (MHPs) into practical flexible optoelectronic devices requires high‐resolution multicolor patterning techniques that are compatible with post‐fabrication processing. However, such a capability has remained elusive.
Shu Yang   +6 more
wiley   +1 more source

植被控制水土流失机理及措施研究综述 [PDF]

open access: yes, 2004
本文总结了植被及其不同部分在控制水土流失中的作用 ,在此基础上总结了利用植被控制水土流失的方法措施和目前的研究热点 ,并提出现状研究中的不足和将来的研究前景。福建省重大科技项目 (项目编号 :2 0 0 2H0 0 ...
黄云凤
core  

海绵城市建设中若干水文学问题的研讨

open access: yes水电水利, 2019
伴随着城市化建设进程的逐步深入,城市水体黑臭、内涝等情况受到人们的关注。这些情况均属于水文学问题,原因为污染物排放量过多引起水循环改变,加之原生态系统受城市建设破坏,湖泊、湿地退化所致。为了应对不良水文学问题,海绵城市建设应时而生。尽管目前建设海绵城市已获得一定进展,但仍存在很多不足之处。本文简要针对海绵城市建设水文学问题相关内容进行探讨,目的在于改善城市水温效应,推进城市建设发展。
桥峰 陈, 腾 胡
semanticscholar   +1 more source

Rational Design of Multifunctional Nano–Architected Coatings for Bipolar Plates in Proton Exchange Membrane Fuel Cells

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Proton exchange membrane fuel cells (PEMFCs) require advanced bipolar plate coatings to enhance efficiency, durability, and commercialization potential. This review presents a systematic framework for evaluating and designing bipolar plate coatings, integrating material selection, performance metrics, deposition techniques, and future ...
Shijie Li   +12 more
wiley   +1 more source

3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo   +9 more
wiley   +1 more source

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