Results 51 to 60 of about 509 (180)

Ultra‐Fine Electroblown Nanofibrous Air Filters Produced From Recycled Textile Polyester Waste: Process Optimization and Electret Stability

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 6, June 2026.
Textile‐derived recycled polyester waste is transformed into ultra‐fine nanofibrous air filters via statistically optimized electroblowing. Bead‐free fibers as small as 41 ± 14 nm are achieved, resulting in enhanced filtration efficiency, quality factor, and long‐term electret stability after corona treatment.
Ali Toptaş
wiley   +1 more source

Electrical Resistivity Tomography and Induced Polarization for Mapping the Subsurface of Alluvial Fans: A Case Study in Punata (Bolivia)

open access: yesGeosciences, 2016
Conceptual models of aquifer systems can be refined and complemented with geophysical data, and they can assist in understanding hydrogeological properties such as groundwater storage capacity.
Andres Gonzales Amaya   +3 more
doaj   +1 more source

A Facile Salt‐Assisted Dewatering for Carboxymethyl Cellulose‐Based Hydrogels

open access: yesPolymer Engineering &Science, Volume 66, Issue 6, Page 4753-4766, June 2026.
Dehydration efficiency of hydrogels increases with NaCl concentration during washing. ABSTRACT Natural polymer‐based hydrogels are gaining attention as an environmentally friendly alternative to petroleum‐based superabsorbent polymers. The hydrogel fabrication process involves washing and drying hydrated gels. However, due to their high hydrophilicity,
Sa Rang Choi, Jung Myoung Lee
wiley   +1 more source

Rock Physics of the Critical Zone: Models, Inversion, and Interpretation

open access: yesReviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Rock physics models link geophysical measurements with subsurface petrophysical properties, such as porosity, mineral composition, and fluid saturation. While originally developed for hydrocarbon exploration, these models are increasingly applied in the near surface for quantitative interpretation of geophysical data.
Dario Grana   +5 more
wiley   +1 more source

WHO BENEFITS FROM THE VAT CASH ACCOUNTING SYSTEM IN ROMANIA AS OF JANUARY 1, 2013? [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, 2013
In the context of the legislative changes at the end of 2012 regarding the value added tax, changes that cameinto force on January 1, 2013, we will critically analyze the extent in which the new imposed system follows the VATtaxation principles and who ...
Ecobici Nicolae
doaj  

Self‐Maintained Thermal Charging Cells for the Efficient Harvesting of Waste Heat at Elevated Temperatures

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 3, May 2026.
Thermal charging cells (TCS) face two main challenges that limit their practical applications: 1) Still lacking the systems suitable for operation under higher temperature environments, and 2) there are limitations in the self‐sustaining performance of continuous discharge under temperature differences, which holds critical significance for the real ...
Tingting Meng, Yimin Xuan, Yunjie Xiong
wiley   +1 more source

Hydrostratigraphic Characterisation of Shallow Coastal Aquifers of Eastern Dahomey Basin, S/W Nigeria, Using Integrated Hydrogeophysical Approach; Implication for Saltwater Intrusion

open access: yesGeosciences, 2020
This study employed electrical resistivity tomography (ERT) in characterising the shallow groundwater aquifers of Eastern Dahomey basin in southwestern Nigeria to assess the possible occurrence and distribution of saltwater within the aquifers ...
Jamiu A. Aladejana   +3 more
doaj   +1 more source

Functional Persistent Luminescent Thin Films and Glasses: Materials, Processing, and Future Challenges

open access: yesAdvanced Optical Materials, Volume 14, Issue 16, 24 April 2026.
Beyond conventional powders, persistent luminescent thin films and glass‐based composites offer transformative potential for transparent, stable photonic devices. This work evaluates diverse processing routes and structure‐property correlations essential for achieving optical transparency and environmental stability.
Luidgi Giordano   +10 more
wiley   +1 more source

Integrating field data, petrography, and induced polarization geophysical survey for 3D modeling and delineation of gold mineralization targets in Bissiang area, Nyong group, Cameroon

open access: yesResults in Earth Sciences
Stream sediments sampling, lithological observations and induced polarization (IP) survey were carried out in Bissiang area, located at the northwestern border of the Congo Craton in Cameroon.
Kouankap Nono Gus Djibril   +5 more
doaj   +1 more source

MXene‐Based Self‐Powered Flexible Sensors: Advances in Fabrication, Sensing Mechanisms, and Density Functional Theory‐Driven Performance Optimization

open access: yesAdvanced Energy and Sustainability Research, Volume 7, Issue 4, April 2026.
MXene‐based self‐powered textile sensors are presented as an emerging platform for integrated energy harvesting and multifunctional sensing in wearable electronics. This review systematically discusses MXene synthesis, DFT‐driven insights into properties, nanogenerator‐based device architectures, and scalable textile integration strategies, while ...
Md. Mahfuzur Rahman   +5 more
wiley   +1 more source

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