Results 91 to 100 of about 2,024,598 (259)

Aryl‐Tethered Pendant Sterically Shielded Imidazoliums for Durable Anion Exchange Membranes

open access: yesAdvanced Science, EarlyView.
An aryl‐tethered, sterically shielded imidazolium architecture protects cationic sites from hydroxide attack while avoiding vulnerable benzylic cation–polymer linkages. Incorporated into poly(arylimidazolium) membranes, this dual‐protection design enhances alkaline and oxidative durability and supports prolonged alkaline water electrolysis, offering a ...
Jinggui Lei   +8 more
wiley   +1 more source

THE K-T AND TERTIARY-PLEISTOCENE SOUTH AMERICAN MAMMALIAN TURNOVERS: SIMILAR PHENOMENA?

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
The history of South American mammals has been episodic, apparently "stratified", and the "strata" relatively few in number and, as a rule, sharply and clearly separable. This is a consequence of the physical history of the continent.
Rosendo Pascual   +2 more
doaj  

A Recyclable and Biodegradable High‐Performance Piezoelectric Nanogenerator for Self‐Powered Biosensing and Assistive Human‐Machine Interaction

open access: yesAdvanced Science, EarlyView.
By exploiting multiscale hydrogen‐bonding interactions between HFPD and TOCNF, the composite simultaneously achieves a high piezoelectric coefficient (14.0 pC·N−1), outstanding flexibility (100 000 bending cycles), water‐assisted recyclability, excellent biodegradability, and sensitive wearable/implantable sensing for motion, speech, and Morse code ...
Tingshuai Luo   +9 more
wiley   +1 more source

AN EARLY JURASSIC SAUROPOD TOOTH FROM PATAGONIA (CAÑADÓN ASFALTO FORMATION): IMPLICATIONS FOR SAUROPOD DIVERSITY

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2017
Eusauropods were a group of herbivorous dinosaurs that evolved during the Early Jurassic and dominated the terrestrial ecosystems throughout the Jurassic and Cretaceous.
José L. Carballido   +3 more
doaj  

Tailoring Electronic Structure of NbB2 Nanorods Through Selenium Incorporation for Synergistically Enhanced Hydrogen Evolution and Triboelectric Energy Harvesting

open access: yesAdvanced Science, EarlyView.
Selenium incorporation modulates the electronic structure of niobium diboride (Se‐NbB2) nanorods, enhancing the active site density and resulting in superior hydrogen evolution performance for sustainable energy applications. ABSTRACT The sluggish hydrogen evolution reaction (HER) kinetics of non‐noble‐metal catalysts remain a major challenge for ...
Shalmali R Burse   +10 more
wiley   +1 more source

El último medio siglo en el estudio de los vertebrados fósiles

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
El último medio siglo en el estudio de los vertebrados ...
Eduardo P. Tonni
doaj  

Interface‐Enhanced Electrochemical Epoxidation Over a Core‐Shell Nanozeolite TS‐1@Mn‐N‐C Catalyst

open access: yesAdvanced Science, EarlyView.
Core–shell interface of TS‐1@Mn‐N‐C enables in situ generation of high‐concentration H2O2 and its spatially confined activation toward epoxidation‐active η‐Ti‐OOH species, leading to highly efficient and continuous electrochemical epoxidation. The work successfully addresses the key challenge of inefficient mass transfer and slow kinetics caused by ...
Wenbiao Zhang   +7 more
wiley   +1 more source

Invertebrados del Cenozoico de la Argentina

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Invertebrados del Cenozoico de la ...
Claudia J. Del Rio
doaj  

LIBRO DE RESÚMENES RCAPA 2019

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2020
Libro de resúmenes de la Reunión de Comunicaciones de la Asociación Paleontológica Argentina, realizada en la ciudad de La Plata durante los días 27-29 de Noviembre de ...
Comité Editor
doaj  

Pt‐Regulated Dynamic Cu(0) Regeneration in CuPt Alloy Enables High‐Efficiency Self‐Driven Formaldehyde Fuel Cells for Potassium Formate Production

open access: yesAdvanced Science, EarlyView.
In this work, a Cu30PtX/CF anode material was synthesized to effectively catalyze the electrocatalytic formaldehyde oxidation, and thereby assembled a fuel cell that offered a high open‐circuit potential of 0.94 V and a power density of 34.3 mW cm−2. This work realizes the co‐generation of electrical energy and high‐value‐added chemicals with nearly ...
Hanxu Hou   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy