Results 61 to 70 of about 14,929 (211)

Highly Fluorescent and Stable Lead Halide Perovskite Nanocrystals Protected by an In Situ Formed Lead Halide–Amino Acid Matrix

open access: yesAdvanced Photonics Research, Volume 7, Issue 3, March 2026.
This work presents highly fluorescent and stable MAPbBr3 and FAPbBr3 perovskite nanocrystals prepared via a facile single‐step precipitation method. An in situ formed PbBr2­amino acid matrix encapsulates the nanocrystals, enabling near‐unity photoluminescence quantum yields and exceptional long‐term stability under ambient conditions.
Felix Mayr   +15 more
wiley   +1 more source

Study on properties of geopolymers for application in transport means [PDF]

open access: yes, 2013
Disertační práce je věnovaná studiu alkalicky aktivovaných materiálů na bázi elektrárenského popílku, zejména možnosti jejich využití jako vysokoteplotních tmelů pro aplikace v dopravní technice. Adheze geopolymerů s kovem nebyla dodnes široce studovaná.
Halas, Olena
core   +1 more source

Are geopolymers more suitable than Portland cement to produce high volume recycled aggregates HPC? [PDF]

open access: yes, 2012
The 70% minimum construction and demolition wastes-C&DW recycling rate set by the Revised Waste framework Directive No. 2008/98/EC to be enforced beyond 2020, will increase the need of effective recycling methods in a dramatic manner.
Abdollahnejad, Zahra   +4 more
core   +1 more source

An Ensemble Machine Learning Method for Alkali‐Activated Concrete Mix Ratio Analysis and Optimizing Experimental Results

open access: yesEngineering Reports, Volume 8, Issue 3, March 2026.
In this study, we discovered a combined learning algorithm of MLP–RF for predicting the composition of concrete and achieved favorable results in the inversion experiment. ABSTRACT In the field of civil engineering, the analysis of the composition of alkali‐sprayed concrete is of great significance for material research. However, there are currently no
Chengyuan Dai   +5 more
wiley   +1 more source

Interpretable Machine Learning: A Comprehensive Review of Foundations, Methods, and the Path Forward

open access: yesWIREs Data Mining and Knowledge Discovery, Volume 16, Issue 1, March 2026.
This systematic review of 352 studies establishes a comprehensive taxonomy for Interpretable Machine Learning, transitioning from foundational intrinsic models to advanced deep learning explanations. It reveals a critical paradigm shift toward “mechanistic interpretability” and actionable recourse, emphasizing that future AI systems must be rigorously ...
Shimon Fridkin, Michael Bendersky
wiley   +1 more source

Gamma and neutron attenuation of ASM geopolymers for radiation shielding applications: Theoretical study

open access: yesJournal of Radiation Research and Applied Sciences
This research paper studies the radiation attenuation properties of new geopolymers, such as Kaolin, GGBS, and PC. The shielding performance of these geopolymers is investigated against fast neutrons and gamma photons with energy varying between 0.015 ...
Norah Alomayrah   +3 more
doaj   +1 more source

Heat Treatment of Geopolymer Samples Obtained by Varying Concentration of Sodium Hydroxide as Constituent of Alkali Activator

open access: yesGels, 2022
In this paper, raw natural metakaolin (MK, Serbia) clay was used as a starting material for the synthesis of geopolymers for thermal treatment. Metakaolin was obtained by calcination of kaolin at 750 °C for 1 h while geopolymer samples were calcined at ...
Ljiljana Kljajević   +6 more
doaj   +1 more source

Circular Alkali‐Activated Cements Based on EAF Slags and Biomass Bottom Ash Using Rice Husk Ash–Derived Sodium Silicate

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 3, March 2026.
ABSTRACT This study investigates sodium silicate (SS) solutions derived from rice husk ash (RHA) dissolved in 8 M NaOH as sustainable activators for alkali‐activated cements (AACs), compared with commercial SS. AACs were produced using a 50:50 blend of electric arc furnace slag (EAFS) and biomass bottom ash (BA). The effects of NaOH/RHA ratio (6.6–2.8)
A. Muñoz‐Castillo   +2 more
wiley   +1 more source

Behaviors and Mechanisms of Adsorption of MB and Cr(VI) by Geopolymer Microspheres under Single and Binary Systems

open access: yesMolecules
Geopolymers show great potential in complex wastewater treatment to improve water quality. In this work, general geopolymers, porous geopolymers and geopolymer microspheres were prepared by the suspension curing method using three solid waste products ...
Yi Fang   +6 more
doaj   +1 more source

Alkali-Activated Cement-Based Binders (AACBs) as durable and cost-competitive low-CO2 binder materials: some shortcomings that need to be adressed [PDF]

open access: yes, 2017
Available online 14 October 2016.The production of 1 t of ordinary Portland cement generates 0.55 t of chemical CO2 and requires an additional 0.39 t of CO2 in fuel emissions for baking and grinding, accounting for a total of 0.94 t of CO2.
Abdollahnejad   +59 more
core   +1 more source

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