Results 161 to 170 of about 523,825 (238)

Hydrogen Reduction of Synthetic Fe2O3 Pellets: The Role of Calcium Oxide in Porosity Evolution and Reduction Kinetics

open access: yessteel research international, EarlyView.
At 800 °C, hematite pellets containing 0.9 wt% CaO reduce in hydrogen at rates 1.2–1.4 times those of pure pellets. The inward‐moving reaction front supports a topochemical description, and FeO‐to‐Fe kinetics are consistent with mixed control by interfacial reaction and intrapellet diffusion.
Jess Kuper, Ali Zakeri, Leili Tafaghodi
wiley   +1 more source

Development and characterization of eco‐friendly fire‐resistant 3D‐printable concrete utilizing recycled nickel slag

open access: yesStructural Concrete, EarlyView.
Abstract This study investigates the utilization of industrial nickel slag waste to develop eco‐friendly fire‐resistant 3D concrete printing (3DCP). The benefits of waste nickel slag are bifold: it serves as a partial replacement, reducing carbon‐intensive cement and enhances fire resistance.
Akilesh Ramesh   +4 more
wiley   +1 more source

Acoustic Bubble Sensing Techniques and Bioapplications. [PDF]

open access: yesBiosensors (Basel)
Ning R, Faulkner J, Wu M, Gao Y.
europepmc   +1 more source

Distributed acoustic sensing for marine mammal monitoring

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Marine mammal monitoring provides critical data to inform species management and sustainable industrial development. Passive acoustic monitoring, in particular, can provide continuous, long‐term and non‐observer‐biased data, with a subset of systems capable of delivering data in near‐real time.
Léa Bouffaut
wiley   +1 more source

A Capacitive Backscatter System for Intra-Body Identification. [PDF]

open access: yesIEEE J Radio Freq Identif
Mohammed N   +3 more
europepmc   +1 more source

The Materiality of the Cloggs Cave Rockshelter's Painting, GunaiKurnai Country (East Gipplsland), Southeastern Australia

open access: yesArchaeometry, EarlyView.
ABSTRACT The materiality of the white pigment motif at the Cloggs Cave rockshelter, near Buchan in GunaiKurnai Country (southeastern Australia), contains details about the cultural and environmental contexts in which the art was created and preserved. Here, we (1) present physicochemical analyses of the pigment composition; (2) explore implications for
Courtney Webster   +8 more
wiley   +1 more source

A Batteryless Wireless Microphone Using RF Backscatter. [PDF]

open access: yesProc ACM Interact Mob Wearable Ubiquitous Technol
Wang Q, Qian C, Yan P, Zhang S, Zeng H.
europepmc   +1 more source

Topology‐based Visual Analysis of Hydrothermal Plumes

open access: yesComputer Graphics Forum, EarlyView.
Abstract Hydrothermal plumes are turbulent structures of intense heat and mineral smoke that rise and disperse into the deep ocean. Existing models generally characterize these systems as a single axisymmetric plume originating from a point source. However, this assumption breaks down in weakly venting, spatially distributed systems, where low‐flux ...
Adhitya Kamakshidasan   +3 more
wiley   +1 more source

Contrast Agent Design to Deliver Improved Ultrasound Echogenicity from Medical Devices: A Route to In-Ward Device Placement Tracking. [PDF]

open access: yesBiomacromolecules
Stimpson A   +8 more
europepmc   +1 more source

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