Results 151 to 160 of about 706,148 (325)

MXene Membrane as Multifunctional Interface for Vapor Splitting via Photothermal‐Catalytic Membrane Distillation

open access: yesAdvanced Materials, EarlyView.
A multifunctional MXene‐based membrane integrates photothermal evaporation and photocatalytic vapor splitting in a sweeping‐gas membrane distillation (PTC‐SGMD) platform, simultaneously generating freshwater and hydrogen. The SrTiO3/MX@PVDF interface leverages broad‐spectrum solar absorption, efficient heat/mass transfer, and gas–solid catalysis to ...
Jiawei Sun   +11 more
wiley   +1 more source

Sustainable Cities

open access: yes, 2020
Shyla Del-Aguila -Arcentales   +2 more
  +6 more sources

Addition of Biochar to Green Roof Substrate to Enhance Plant Performance: A Long-Term Field Study

open access: yesBuildings
Green roofs (GRs) have been widely adopted as an effective Green Infrastructure (GI) practice in cities worldwide, offering ecosystem services such as stormwater management and reduction of the urban heat island effect.
Cuong Ngoc Nguyen   +2 more
doaj   +1 more source

How to address sustainability at the city level [PDF]

open access: yes, 2013
A brief analysis of the environmental, social and economic paradigm of nowadays cities, allows reaching a conclusion: current cities are not sustainable.
Barbosa, José Amarilio   +2 more
core  

Spectral Tuning of Hyperbolic Shear Polaritons in Monoclinic Gallium Oxide via Isotopic Substitution

open access: yesAdvanced Materials, EarlyView.
Spectral tuning of highly directional hyperbolic shear polaritons is realized via isotopic substitution of 16O to 18O in monoclinic β$\beta$‐phase gallium oxide. A red‐shift of almost 40 cm−1 is experimentally demonstrated with near‐field imaging, corroborated by the permittivity change extracted from far‐field experiments and density functional theory.
Giulia Carini   +28 more
wiley   +1 more source

Monitor Sustainable Municipalities Report 2019 Key topic Circular Economy. Bertelsmann Stiftung Study 4 November 2019 [PDF]

open access: yes, 2019
At first sight, the concept for a recycling economy appears to be just the latest trend in the field of urban development, but in fact conversion to circular value creation also contains numerous oppor-tunities for the creation of long-term sustainable ...
Beckmann, Janpeter, Dhawan, Piyush
core  

Asymmetry of the Ferroelectric Phase Transition in BaTiO3

open access: yesAdvanced Materials, EarlyView.
Phase transitions are typically assumed to behave identically in forward and reverse. This work shows that in the ferroelectric material barium titanate this is not true: heating drives an abrupt, first‐order jump, while cooling gives a smooth, continuous change.
Asaf Hershkovitz   +14 more
wiley   +1 more source

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