Results 51 to 60 of about 436,157 (220)

Study of alkaline hydrothermal activation of belite cements by thermal analysis [PDF]

open access: yes, 2010
The effect of alkaline hydrothermal activation of class-C fly ash belite cement was studied using thermal analysis (TG/DTG) by determining the increase in the combined water during a period of hydration of 180 days.
Guerrero Bustos, Ana María   +2 more
core   +1 more source

Mixed‐Impurity Co‐Poisoning of NH3‐SCR Catalysts: Poisoning Mechanisms, Antagonistic Effects, and Anti‐Inactivation Strategies

open access: yesEcoEnergy, Volume 4, Issue 4, August 2026.
This review summarizes the synergistic effects of mixed impurities on ammonia‐selective catalytic reduction (NH3‐SCR) catalysts, including the poisoning mechanism of the catalyst caused by mixed impurities, the antagonistic effects between the impurities, and the research on the anti‐poisoning strategies for the catalyst in recent years.
Hongyan Xue   +3 more
wiley   +1 more source

Cultural geography of heat: Artistic experiments with heat’s animacies

open access: yesGeographical Research, Volume 64, Issue 3, August 2026.
A sustained, cultural geographical engagement with heat is long overdue. I advance this agenda by engaging with the work of contemporary artists. Artists are responding to uneven conditions of global heating by exploring heat’s animacies: how heat interweaves with the practices and textures of life.
Sasha Engelmann
wiley   +1 more source

Sustainable Recovery of Valuable Nanoporous Materials from High-Chlorine MSWI Fly Ash by Ultrasound with Organic Acids

open access: yesMolecules, 2022
The new technology development for municipal solid waste incineration fly ash treatment and reuse is urgent due to landfill shortage and environmental effect of leached hazardous substances.
Tam Thanh Nguyen   +2 more
doaj   +1 more source

Growth and histomorphological responses of Chindongo socolofi to the long‐term replacement of fish meal with defatted Tenebrio molitor meal

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract The long‐term suitability of defatted Tenebrio molitor larvae meal (TM) as a substitute for fish meal (FM) protein was evaluated in Chindongo socolofi over a 170‐day feeding period. Six isonitrogenous (38% crude protein) and isoenergetic (4396 kcal kg−1) diets were formulated, in which TM protein replaced FM protein at 0% (control), 20%, 40 ...
Hasan Batuhan Emre Özdoğan
wiley   +1 more source

Evaluation of Fly Ash in Water Reduced Paving Mixtures;MLR-84-07, June 1985 [PDF]

open access: yes, 1985
Fly ash was used to replace 15% of the cement in C3WR and C6WR concrete paving mixes containing ASTM C494 Type A water reducin9 admixtures. Two Class C ashes and one Class F ash from Iowa approved sources were examined in each mix.

core  

Synthesis of calcium phosphate hydrogel from waste incineration fly ash and its application to fuel cell [PDF]

open access: yes, 2009
Waste incineration fly ash was successfully recycled to calcium phosphate hydrogel, a type of fast proton conductor. The crystallized hydrogel from incineration fly ash had a lower electric conductivity and a lower crystallinity than that from calcium ...
Kidoguchi, Satoshi   +5 more
core   +1 more source

Flexural resistance of the polypropylene fibres reinforced cement mixes with waste material [PDF]

open access: yesMATEC Web of Conferences, 2019
The polypropylene (PP) fibers in shotcrete has been used for ground support and building strengthening, since several decades. However, the recent trend is to use the waste material in cementbased mixes to produce an eco-friendly material.
Kheir Samer Abou, Wakim Jad, Awwad Elie
doaj   +1 more source

Batteries From Reused, Recycled, and Surplus Materials

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 7, July 2026.
Batteries can become more circular by combining reuse, direct recycling, metallurgical recovery, and material sourcing from industrial surplus streams. This Review highlights how recycled and waste‐derived metals, carbons, polymers, electrolytes, and active materials can be reintegrated into current and emerging batteries, while emphasizing design ...
Jing Yu   +16 more
wiley   +1 more source

Optimization of Soil Stabilization with Class C Fly Ash; HR-260 , January 1987 [PDF]

open access: yes, 1987
Previous Iowa DOT sponsored research has shown that some Class C fly ashes are ementitious (because calcium is combined as calcium aluminates) while other Class C ashes containing similar amounts of elemental calcium are not (1).

core  

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