Results 41 to 50 of about 559,820 (160)

Chemical and mineralogical characterization to define parameters for comminution, aiming at granulometric adequacy in rock rich in feldspars extracted in Pedra Lavrada-PB

open access: yesConcilium
The demand for high purity feldspars with low contaminant content, especially for use in the manufacture of porcelain tiles and white crockery, poses a challenge for processing the ore.
D. Ferreira   +3 more
semanticscholar   +1 more source

Fractionation of Wood Biomass With Thiolactic Acid and Choline Chloride‐Based Solvent Into White Lignin for Sustainable Cooling Applications

open access: yesChemSusChem, Volume 19, Issue 1, January 2026.
A novel and highly efficient wood biomass fractionation method was developed to produce white lignin, exhibiting the brightest color reported to date. The process yielded white lignin with high yield, excellent visible light reflectance, and elevated infrared emissivity, highlighting its potential as an active material for passive radiative cooling ...
Juho Antti Sirviö   +8 more
wiley   +1 more source

Biofibre production from chicken feather [PDF]

open access: yes, 2011
The global poultry industry generates at least 2 million tonnes of chicken feather every year. Feather fibre has potential as reinforcement for polymer composites with light-weight, thermal insulation and acoustic dampening properties.
Tseng, Fan-Chen Jeanie   +1 more
core  

Sedimentary processes at the base of a West Antarctic ice stream: Constraints from textural and compositional properties of subglacial debris [PDF]

open access: yes, 1998
Samples of sediments from beneath Ice Stream B (at camp UpB), West Antarctica, provide the first opportunity to study the relationship between sediment properties and physical conditions in a sub-ice-stream environment.
Engelhardt, Hermann F.   +3 more
core   +1 more source

Ink Processing and its Influence on Particle Size Distribution, Ionomer Requirements and Electrode Properties in Polymer Electrolyte Membrane Fuel Cell and Electrolyzer Catalyst Coated Membranes

open access: yesEnergy Technology, Volume 14, Issue 1, January 2026.
This study examines how milling time influences catalyst ink properties for polymer electrolyte membrane fuel cells and electrolyzers. Longer milling reduces particle size and pore diameter, but excessive milling causes cracks due to ionomer depletion. An optimum milling duration was identified.
Philipp Quarz   +5 more
wiley   +1 more source

Clays for Low‐Carbon Cements: Overview, Progress, and Challenges

open access: yesGlobal Challenges, Volume 10, Issue 1, January 2026.
This review provides a critical overview of recent developments of activated clays to function as artificial pozzolans. After a thorough description of the clays that yield good pozzolanic performances, selected examples are given on thermal and mechanical activations. Chiefly, general correlations are extracted from reported data despite its scattered
Imane Koufany   +4 more
wiley   +1 more source

Field Observations of Decreasing Rock Fracturing Rates Over Geologic Time

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 1, January 2026.
Abstract Rock fracturing regulates the topography, carbon cycle, geologic hazards, and infrastructure degradation of the Earth. Yet, there remains a paucity of constraints on long‐term fracturing behavior. Here we use field measurements of 2221 clasts across a range of environments and rock types to show that the number and total length of fractures in
M. Rasmussen   +17 more
wiley   +1 more source

The Feasibility of Reclaiming Shell Material from Investment Casting [PDF]

open access: yes, 1992
This report examines the feasibility of investment shell component reclamation. Shell material components and their compositions are investigated with an industry survey, a study of the available literature, and analysis of specimen shell materials ...
Peters, Timothy M., Twarog, Daniel L.
core  

Deconvolving the Effects of Fluvial Transit and Storage on Preservation of Sedimentary Source Signals Using Heavy Minerals and Terrestrial Biomarkers

open access: yesBasin Research, Volume 38, Issue 1, January–February 2026.
Sediment pathways from source to sink: Organic and clastic sediments are stored and transformed during floodplain transport and deposition, with transport modes shaping signal transmission and sediment alteration. ABSTRACT Analysis of naturally occurring markers of environmental signals, or proxy analysis, in sedimentary records can yield valuable ...
Sophia Dosch   +6 more
wiley   +1 more source

Supply Potential and Cost of Residual Forest Biomass for New Industrial Applications in Sweden

open access: yesGCB Bioenergy, Volume 18, Issue 1, January 2026.
This work investigates the potential for logging residues (branches and tops that can be extracted during roundwood harvesting) to replace fossil‐based feedstocks and energy use in industry, using Sweden as a case study. To do so, this paper quantifies regional supply–demand balances for logging residues considering both current and possible future ...
Sebastian Karlsson   +5 more
wiley   +1 more source

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