Results 101 to 110 of about 126,640 (272)

Branching Transport Model of Alkali-Halide Scintillators

open access: yes, 2007
We measure the time dependence of the scintillator light-emission pulses in NaI(Tl) crystals at different temperatures, after activation by gamma rays.
Alexandrov   +22 more
core   +1 more source

One-part alkali-activated materials: A review

open access: yesCement and Concrete Research, 2018
Abstract Alkali-activated materials (AAM) are recognized as potential alternatives to ordinary Portland cement (OPC) in order to limit CO2 emissions as well as beneficiate several wastes into useful products. However, the alkali activation process involves concentrated aqueous alkali solutions, which are corrosive, viscous, and, as such, difficult to
Tero Luukkonen   +4 more
openaire   +2 more sources

Electrocatalytic Reduction of CO2 to Ethylene: Catalyst Design and Synchrotron‐Based Characterizations

open access: yesAdvanced Functional Materials, EarlyView.
This review evaluates strategies for electrochemical CO2 reduction to ethylene, focusing on copper‐based catalyst design and microenvironment modulation to achieve industrial‐grade performance. By leveraging operando synchrotron‐based characterizations, we provide a multiscale understanding of dynamic structural transformations and key reaction ...
Meng Zhang, Zuolong Chen, Yimin A. Wu
wiley   +1 more source

Metal–Organic Frameworks for Gaseous Pollutant Management: From Capture to Neutralization and Reutilization

open access: yesAdvanced Functional Materials, EarlyView.
This review maps how MOFs can manage hazardous gases by combining adsorption, neutralization, and reutilization, enabling sustainable air‐pollution control. Covering chemical warfare agent simulants, SO2, NOx, NH3, H2S, and volatile organic compounds, it highlights structure‐guided strategies that boost selectivity, water tolerance, and cycling ...
Yuanmeng Tian   +8 more
wiley   +1 more source

Development of durable “green” concrete exposed to deicing chemicals via synergistic use of locally available recycled materials and multi-scale modifiers [PDF]

open access: yes, 2018
From the economic and social perspectives, the use of waste materials would not be attractive until their costs and quality can satisfy the construction requirements.
Cui, Na, Xie, Ning
core  

Ti6Al4V‐Bioglass‐Copper Composites for Load‐Bearing Implants

open access: yesAdvanced Healthcare Materials, EarlyView.
We have designed and manufactured a novel Ti64‐based composite by adding 45S5 bioglass (BG) and copper (Cu). Adding BG on titanium improves wear resistance and biocompatibility, whereas Cu addition improves mechanical strength while providing inherent lifelong bacterial resistance.
Lochan Upadhayay   +3 more
wiley   +1 more source

Rapid Waste Motor Oil Conversion into Diesel-Range Hydrocarbons Using Hydrochar as Catalyst: Kinetic Study and Product Characterization

open access: yesRecycling
Herein, raw and alkali-treated hydrochars from biomass waste are prepared as a highly active catalyst for the conversion of waste motor oil into diesel-like fuels.
Herman A. Murillo   +6 more
doaj   +1 more source

3D‐Printed Titanium Implants with Bioactive Peptide‐Polysaccharide Scaffolds for Personalized Bone Reconstruction

open access: yesAdvanced Healthcare Materials, EarlyView.
Porous 3D‐printed titanium implants are made bioactive by integration with a supramolecular peptide‐hyaluronic acid nanofibrillar scaffold, without the addition of exogenous cells or growth factors. Uniform filling of the implant architecture promotes vascularized, spatially homogeneous bone regeneration, significantly enhancing osteogenesis throughout
Noam Rattner   +8 more
wiley   +1 more source

Effect of hydration products composition on high temperature resistance of geopolymers

open access: yesJournal of Materials Research and Technology
Geopolymer exhibits better high temperature resistance than Portland cement, which makes it an excellent alternative cementitious component for fireproof building materials.
Yulong Liu   +7 more
doaj   +1 more source

Properties of Alkali Activated Slag Concrete

open access: yesChemical Engineering Transactions, 2017
In order to study the effect of fiber and fly ash on the performance of alkali activated slag concrete, the effect of different fiber and fly ash content on the performance and mechanical properties of alkali activated slag concrete is analyzed and compared on the premise of optimizing the cement mixture ratio.
openaire   +2 more sources

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