Results 151 to 160 of about 364,055 (260)

Assessing Distinctive Physiochemical Properties of Geopolymers, Their Green Development and Utilization in Wastewater Treatment

open access: yesWater and Environment Journal, EarlyView.
This review examines the physicochemical properties of geopolymers, focusing on the effects of calcium content, heavy metal impurities and acid activation. It distinguishes geopolymers from other alkali‐activated materials based on structure and synthesis precursors. Their use as water treatment adsorbents is compared with ceramic filters, highlighting
Kabelo L. Lebogang   +3 more
wiley   +1 more source

Placer Gold in the Eastern Maniototo Basin, Otago, New Zealand: Deposits and Sources

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 4, December 2026.
Abundant detrital gold particles in placer deposits of eastern Maniototo basin, southern South Island, New Zealand, have only minor rounding and retain many angular and crystalline features, implying derivation from a nearby source. Likewise, gold particle interior textures have undergone only minor transport‐induced deformation and recrystallisation ...
Dave Craw   +5 more
wiley   +1 more source

Compressive Creep of Fireclay Refractories With Varying Recycled Content

open access: yesInternational Journal of Ceramic Engineering &Science, Volume 8, Issue 6, November 2026.
Compressive creep of fireclay bricks with varying recycled fractions was studied up to 1100°C using the Norton–Bailey law. Higher recyclate contents reduced creep strain and rates. Although bulk chemistry is similar, microstructures differ: Recyclate fines generate more liquid, accelerate transformations, erase texture, and therefore lower creep rates.
Christina Atzenhofer   +2 more
wiley   +1 more source

Disentangling the depositional, tectonic and diagenetic history of a unique case of rhombic calcite in marine carbonate scree‐like deposits in the Cretaceous Cauvery Basin

open access: yesThe Depositional Record, Volume 12, Issue 5, November 2026.
A succession of marine deposited scree deposits got exposed to meteoric fluids due to sea level drop or tectonic uplift. This potentially caused a unique form of diagenetic transformation in scree deposits, that is the formation of micro rhombic calcite.
Shilpa Srimani, Theresa Nohl
wiley   +1 more source

Intrinsic Antimicrobial Properties of a Novel Silorane‐Based Material for Orthopedic Applications

open access: yesJournal of Biomedical Materials Research Part A, Volume 114, Issue 11, November 2026.
ABSTRACT One of many drawbacks of PMMA bone cement used to secure orthopedic implants is that its surface is highly susceptible to bacterial attachment and biofilm formation. In an effort to find alternative materials, we focused on silorane‐based polymers previously developed for use in dental composites.
Terence E. McIff   +5 more
wiley   +1 more source

Utilization of the Heat-treated Silicate Rocks in the Cement and Cement Slurry Manufacturing

open access: yes, 2016
Reliable operation of oil and gas wells depends largely on the quality of cementing. Currently lightweight cements with large water-cement ratio are used.
Свідерський, Валентин Анатолійович   +3 more
core  

Short‐Term Outcomes of Full Pulpotomy Compared With Root Canal Treatment for Irreversible Pulpitis: The PROVE Study

open access: yesInternational Endodontic Journal, Volume 59, Issue 11, Page 2335-2345, November 2026.
ABSTRACT Objectives To assimilate data from individual randomised trials and perform a pooled analysis of short‐term outcomes of pulpotomy compared with root canal treatment (RCT) for teeth with symptomatic irreversible pulpitis (SIRP). Methods Randomised trials were conducted in eight countries using a standardised clinical protocol and outcome ...
I. A. El Karim   +16 more
wiley   +1 more source

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