Results 101 to 110 of about 156,182 (239)

Advanced Interpretation of Field Cycling NMR Relaxometry Dispersion Profiles From Hard and Soft Materials

open access: yesMagnetic Resonance in Chemistry, EarlyView.
This review demonstrates that NMR dispersion profiles from fast field cycling NMR relaxometry can be interpreted with the 3‐Tau model for a broad spectrum of soft and hard materials. Meaningful physical quantities provide insight into surface chemistry, bound water density, pore size, aqueous or solid iron (III) density and the free water diffusion ...
David A. Faux, Rémi Kogon
wiley   +1 more source

Study on the Mechanical and Permeability Characteristics of Gypsum Rock under the Condition of Crude Oil Immersion

open access: yesEnergies
The utilization of gypsum mine goaf (GMG) for strategic oil reserves can realize the coordinated development of mining and oil storage. However, the variation in mechanical and permeability characteristics of gypsum rock under the action of crude oil ...
Tingting Jiang   +5 more
doaj   +1 more source

SULFUR ISOTOPES GEOCHEMISTRY OF THE BITUMINOUS FATHA EVAPORATES IN FATHA FORMATION, HIT–ABU JIR AREA, WESTERN IRAQ

open access: yesIraqi Geological Journal, 2016
Fatha Formation (Middle Miocene) in Hit area, western Iraq was targeted for this study. Pure gypsum, bituminous gypsum and native sulfur were investigated for δ34S, FTIR and SEM to define the historical scenario of the paleo-environment and the ...
Salih Muhammad Awadh   +1 more
doaj   +1 more source

Pinguicula brendae (Lentibulariaceae) sp. nov., a carnivorous plant from a tropical montane cloud forest in Hidalgo, Mexico

open access: yesNordic Journal of Botany, EarlyView.
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez   +2 more
wiley   +1 more source

Investigating the Environmental Impact of Additive Construction: A Systematic Analysis of the Life Cycle Assessment Studies

open access: yesSustainable Development, EarlyView.
ABSTRACT Additive Manufacturing (AM) has been identified as a potential catalyst for a paradigm shift within the construction industry, due to its capacity to enhance sustainability, reduce waste, and augment design flexibility. This study presents a systematic literature review (SLR) that explores the application of Life Cycle Assessment (LCA) in ...
Antonio Mastropasqua   +3 more
wiley   +1 more source

Sulfate and Phosphate Speleothems at Jenolan Caves, New South Wales, Australia

open access: yesActa Carsologica, 2011
Sulfate and phosphate deposits at Jenolan Caves occur in a variety of forms and compositions including crusts, ‘flowers’ and fibrous masses of gypsum (selenite), and clusters of boss-like speleothems (potatoes) of ardealite (calcium sulphate, phosphate ...
Ross E. Pogson   +3 more
doaj   +1 more source

Ultrasonic sound speed measurement as method for the determining the hydration degree of gypsum [PDF]

open access: yes, 2010
This article addresses the sound velocity through slurries as well as non-porous and porous\ud materials. The focus is on using the sound velocity for the microstructure prediction of porous\ud materials, especially gypsum plasterboards, during and after
Brouwers, H.J.H., Korte, A.C.J. de
core   +1 more source

A Formation Inversion Algorithm Based on Collaborative Fuzzy Gradient Neural Dynamics for Natural Gamma Logging While Drilling

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT A formation inversion algorithm with real‐time performance and accuracy is crucial for natural gamma logging while drilling (LWD). However, traditional inversion algorithms are often limited by high computational resource consumption and insufficient accuracy.
Juntao Liu   +4 more
wiley   +1 more source

From Sensing the Moment Towards Regenerative Action? Evaluating Dynamic Capabilities for a Circular Economy in Finland's Construction Sector

open access: yesBritish Journal of Management, EarlyView.
Abstract Today's business environment is challenged by demands from many quarters to become more environmentally sustainable. One solution could be the circular economy, which has the potential to bring economic activities closer to net‐zero targets. However, transitioning towards a circular economy requires companies to develop new capabilities and ...
Milla Sarja, Noora Piila
wiley   +1 more source

Acidification of musts in warm regions with tartaric acid and calcium sulfate at industrial scale [PDF]

open access: yes, 2015
Acidification of musts is necessary in warm areas where high temperatures during ripening accelerate breathing combustion of tartaric acid and, in particular, malic acid in the berries.
Cubillana Aguilera, Laura   +3 more
core  

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