Results 101 to 110 of about 53,703 (183)

Mineralogical characterisation and processing of some industrial minerals from Uganda [PDF]

open access: yes, 1992
This report describes the mineralogical characterisation and processing of several industrial minerals collected by Dr DJ Morgan in October 1991 during a visit to Uganda (Visit report WG/91/31R).
Mitchell, C.J.
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Precipitation mechanism of anhydrite cement in lacustrine tight sandstone: Implications for fluid activity, mass transfer and pore origin of open diagenetic system in tight sandstone

open access: yesThe Depositional Record, Volume 12, Issue 1, February 2026.
This paper discusses a new model concerning the precipitation mechanismand significance of anhydrite cement in tight sandstone. Anhydrite cement ismainly formed by the dissolution and reprecipitation of early‐diageneticcalcite cements, feldspars and volcanic rock fragments at the mesodiageneticstage.
Long Luo   +10 more
wiley   +1 more source

Hydrophobically Functionalized Cellulose Nanocrystals as Stabilizers for Bio‐Based Polyhydroxyurethane Latexes

open access: yesMacromolecular Chemistry and Physics, Volume 227, Issue 3, 16 February 2026.
Hydrophobically modified cellulose nanocrystals act as efficient bio‐based stabilizers and reinforcements in waterborne polyhydroxyurethane latexes. By tuning CNC surface hydrophobicity through octylamine grafting, droplet size and interfacial adhesion are optimized, resulting in stronger and more extensible adhesive composites with scalable potential ...
Hsin‐Chen Chen   +6 more
wiley   +1 more source

Local availability and long-range trade: the worked stone assemblage [PDF]

open access: yes, 2012
Inter disciplinary study of major excavation assemblage from Norse settlement site in Orkney.
Barrett, J.   +6 more
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Anisotropic Transparency of Alkali‐Treated Wood

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 2, February 2026.
Alkali treatment makes delignified wood transparent by removing hemicellulose and exchanging carboxyl‐group counterions, which softens the cell walls. This allows the internal lumens to collapse, making the material highly transparent. The tangential section allows for a more complete collapse of cell lumens, leading to a denser structure and superior ...
Hitomi Yagyu   +6 more
wiley   +1 more source

Rifting and arc-related early Paleozoic volcanism along the North Gondwana margin: geochemical and geological evidence from Sardinia (Italy) [PDF]

open access: yes, 2012
Three series of volcanic rocks accumulated during the Cambrian to Silurian in the metasediment-dominated Variscan basement of Sardinia. They provide a record of the changing geodynamic setting of the North Gondwana margin between Upper Cambrian and ...
BUZZI L   +3 more
core   +1 more source

Mechanochemical Treatment of Cellulose: A Strategy for Developing Functional Biocomposite Materials

open access: yesPolymer Engineering &Science, Volume 66, Issue 2, Page 662-688, February 2026.
Mechanochemistry as an integrated approach for combining fiber defibrillation, activation, surface functionalization, and cellulose‐based composite fabrication in a single or reduced number of steps. ABSTRACT Cellulose‐based biocomposites are attracting increasing scientific and industrial interest due to their sustainable origin, biodegradability, and
Murilo O. da Luz   +3 more
wiley   +1 more source

Annual report of research progress [PDF]

open access: yes, 1964
The mineral and human resources of a state and/or nation are to a large extent the basis of a strong and flourishing economy. In Alaska this is currently illustrated by the activities of the oil and gas industry and the resulting large sums of money that
MIRL
core   +3 more sources

Multi‐Method Geochronology and P‒T Modeling Unravels the Thermo‐Tectonic History of the Rudall Province, Western Australia

open access: yesTectonics, Volume 45, Issue 2, February 2026.
Abstract The Rudall Province (RP) is a Paleo‐Mesoproterozoic belt that records numerous overprinting tectono‐metamorphic events. Situated on the eastern edge of the West Australian Craton (WAC), the RP represents a key area for understanding the Proterozoic assembly and subsequent tectonic history of Western Australia.
Alejandra Bedoya   +6 more
wiley   +1 more source

Treading in Mortimer's footsteps: the geochemical cycling of iron and manganese in Esthwaite water [PDF]

open access: yes, 1984
A study of the geochemical cycling of iron and manganese in a seasonally stratified lake, Esthwaite water is described. This work is based on speculative ideas on environmental redox chemistry of iron which were proposed by C.H.
Davison, W., Tipping, E.
core  

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