Results 51 to 60 of about 1,329,948 (337)

From Single Atoms to Nanoparticles: Pathways Toward Efficient and Durable Pt/TiO2 Photocatalysts

Advanced Functional Materials, EarlyView.
Platinum single atoms on TiO2 nanosheets evolve into clusters and nanoparticles under ethanol photoreforming and thermal treatments. By controlling deposition and post‐treatments, particle size and location on specific facets are modulated. The study reveals how stability pathways determine efficiency, guiding the design of more durable photocatalysts.
Juan José Delgado, Enqi Bu, Yaning Han, Carlos López‐Cartes, Mónica Calatayud, Huiyan Pan, Xiaowei Chen   +6 more
wiley   +1 more source

Guerra e Paz na Perspectiva do Actual Sistema de Relações Internacionais [PDF]

, 1995
O artigo começa por definir interesses e conflitos de interesses, tanto nos aspectos conceptuais como em termos práticos e actuais, a que se segue uma reflexão sobre a natureza dos conflitos; depois de uma breve abordagem sobre a legitimidade das ...
Sacchetti, António Emílio Ferraz
core  

Fabrication of Pyridinic Nitrogen‐Functionalized Carbon Cloth for High‐Performance Iron‐Chromium Flow Batteries

Advanced Functional Materials, EarlyView.
The carbon cloth electrode with targeted pyridinic nitrogen doping, achieved via urea pyrolysis, effectively modulates the adsorption of Cr(II) species and enhances electron transfer, leading to significantly improved kinetics of the Cr(II)/Cr(III) reaction. The material demonstrates a high discharge capacity of 689.3 mAh and an energy efficiency of 72.
Jinfeng Yi, Senwei Zeng, Runfa Zhao, Guangfu Wu, Zhi Liu, Tianhang Zhou, Chunming Xu, Jia Guo, Quan Xu, Yingchun Niu   +9 more
wiley   +1 more source

3D‐Printed Hygroscopic Polymer Networks for High‐Humidity Triboelectric Nanogenerators to Wirelessly Power Implantable Electronic Devices‐ A Conceptual Pathway

Advanced Functional Materials, EarlyView.
This work develops 3D‐printable tribopolymer networks that can enhance triboelectric performance under high humidity environments. Polar hydrophilic functional groups and incorporation of zwitterionic monomers promote bound‐water–dominated interfacial polarization thereby increasing electrical outputs.
Linguangze Zhuo, Jiawang Zeng, Qian Chen, Valentin A. Bobrin, Deepak Mishra, Anthony Chun Yin Yuen, Yixia Zhang, Cyrille Boyer, Jin Zhang   +8 more
wiley   +1 more source

Nova Era: uma manifestação de fé da contemporaneidade

Horizonte, 2009
O homem contemporâneo vive um mundo de incertezas, onde muitos dos antigos paradigmas que o senso comum considerava como absolutos se desmoronam com incrível velocidade.
Fabiano Fernandes Serrano Birchal
doaj  

La primera conducció d’aigua de la vila de Banyoles (segles XV-XVIII) [PDF]

, 2010
Aquest article se centra en la problemàtica de l’aigua potable a la vila de Banyoles des del segle xv fins a les acaballes del XVIII. Al final de l’edat mitjana, les autoritats municipals van iniciar el projecte de construcció d’una nova font dins els ...
Palmada, Guerau
core  

Unlocking Multi‐Valley Energy Pockets and Interface‐Induced Phonon Filtering in InSb Thermoelectrics by Reaction‐Driven Interface Engineering

Advanced Functional Materials, EarlyView.
InSb, a narrow‐bandgap semiconductor with high carrier mobility, is promising for thermoelectric energy conversion but suffers from high lattice thermal conductivity and strong bipolar conduction. Here, in situ interface engineering using Co2O3 nanoprecursors forms hierarchical CoSbx/In2O3/CoSb3 heterostructures that enhance phonon scattering and ...
Jiwu Xin, Xiao Yang, Xiao‐Lei Shi, Chengyun Xu, Xi Ling, Pengyu Zhang, Jinfeng Dong, Yong Du, Haisheng Chen, Ting Zhang, Zhi‐Gang Chen   +10 more
wiley   +1 more source

Agent of Absolutism: Printing and Politics in Early Modern Europe [PDF]

, 1993
The fifteenth century marked the commencement of two trends which signaled the end of the medieval era and the dawn of modernity: the emergence of centralized monarchies and the introduction of print culture. Both trends were gradual and in their infancy
Vinson, Donna Amelia
core   +1 more source

Polymer Interface Enables Reversible Quasi‐Solid Sulfur Conversion in Sodium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
The polymer interface enables a stable quasi‐solid sulfur conversion pathway in room‐temperature Na─S batteries. The coating regulates Na+ transport, stabilizes the cathode–electrolyte interphase, and accommodates mechanical stress, suppressing electrolyte decomposition and sulfur migration, thereby improving reaction uniformity, reducing polarization,
Reza Andaveh, Ying Zhao, Enzhong Jin, Zixin Zhang, Vinicius Martins, Parham Pirayesh, Yi Gan, Yi Yuan, Yijia Wang, Frederick Benjamin Holness, Changhong Cao, Jun Song, Yang Zhao   +12 more
wiley   +1 more source

Globalization, New Age and Popular Religions:A digression from Sunrise Valley

Horizonte, 2014
This paper aims at studying the religious movement “Valley of the Dawn” (Vale do Amanhecer)  whose origins was in Brasília in the late 60s, through the articulation of elements of popular Catholicism, Kardecism, Umbanda and the New Age, as well as the ...
Amurabi Oliveira
doaj