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UA Geosciences Newsletter, Volume 5, Number 1 (Fall 1999)

open access: yes, 1999
Letter from the Chair / Geo-Memories / Alumni News / Retirements / Spring 1999 Degrees AwardedThis item is part of the Geosciences Newsletters collection.
University of Arizona Department of Geosciences
core   +4 more sources

Printgrammetry—3-D Model Acquisition Methodology From Google Earth Imagery Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
This article proposes a technique named Printgrammetry, a structured workflow that allows the extraction of 3-D models from Google Earth platform through the combination of image captures from the screen monitor with structure from motion algorithms ...
Rafael Kenji Horota   +6 more
doaj   +1 more source

Reconstruction of Geological Images Based on an Adaptive Spatial Domain Filter: An Example to Introduce Quantum Computation to Geosciences [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2023
Reconstruction of geological images using partial measurement is one of the most important topics in geosciences. In many methods, this is done using training images and very complex models which increase the computational complexity.
Sadegh Kalantari   +2 more
doaj   +1 more source

The Top-Viewed Cryosphere Videos on YouTube: An Overview

open access: yesGeosciences, 2019
Youtube.com has become one of the most popular places to share videos on the Internet, storing a large amount of audiovisual materials. People all over the world can upload their videos and watch videos of others.
Adam Emmer   +4 more
doaj   +1 more source

Step‐Associated Cu‐Ceria Interfaces Enhance Catalytic Activity and Selectivity

open access: yesAngewandte Chemie, EarlyView.
The catalytic activity and selectivity of supported Cu nanoparticles depends on their interfacial environments, with Cu nanoparticles at step‐associated environments converting CO2 to methanol much faster than those on terrace facets, indicating that step sites create more active metal–oxide interfaces.
Shuxuan Feng   +12 more
wiley   +2 more sources

Convergence in the Geosciences

open access: yesGeoHealth, 2017
The 21st century presents unprecedented challenges if society is to continue to provide abundant energy, water, and food, and high quality housing and medical care to a growing global population.
Marcia K. McNutt
doaj   +1 more source

Sub‐Nanometer Cobalt on Tungsten Titanium Carbide MXene (W2TiC2Tx): An Electrocatalyst for Highly Efficient and Stable Alkaline Hydrogen Evolution at Industrial‐Scale Current Density

open access: yesAdvanced Materials, EarlyView.
A novel W2TiC2Tx MXene prepared through a MAX‐phase route supports sub‐nanometer Co for highly efficient alkaline hydrogen evolution. Strong Co–W interfacial interactions optimize hydrogen adsorption and catalytic activity, enabling low overpotentials of 63 mV at 10 mA cm−2, small Tafel slope of 44.3 mV dec−1, and exceptional durability at industrially
Xiaopeng Liu   +15 more
wiley   +1 more source

Efficient Hydroxyl Diffusion Triggers Surface Hydronium Enrichment and Bulk Proton Participation to Boost Alkaline Hydrogen‐Evolving Reaction

open access: yesAdvanced Materials, EarlyView.
For the first time, we shed light on the surface‐to‐bulk diffusion, induction, and reaction behaviors of OH−, H+, and H2O species on model oxides for alkaline hydrogen‐evolving reaction (HER). We first demonstrate that bulk OH− diffusion significantly affects the generation of proton sources and the diffusion/reaction behaviors of protons, thus ...
Daqin Guan   +12 more
wiley   +1 more source

Technical Feasibility Study of Autonomous Field Robot‐Based on‐the‐go Assessment of Soil Nutrients Using Ion‐Sensitive Field‐Effect Transistors

open access: yesAdvanced Robotics Research, EarlyView.
Autonomous field robots equipped with ISFET‐based sensors enable rapid, spatially resolved soil nutrient analysis directly in the field. An automated system based on the BoniRob platform is presented for standardized on‐site extraction and measurement of key macronutrients and soil pH.
Vadim Riedel   +3 more
wiley   +1 more source

Dual‐Responsive Hydrogels Integrate Bioelectrical Stimulation and Piezo‐Photocatalysis for Regenerative Treatment of Infected Wounds

open access: yesAdvanced Science, EarlyView.
A wireless, dual‐responsive hydrogel (PVA/(PVDF‐TrFE)/BiOClBr@PDA) is developed to promote efficient regeneration of infected wounds by integrating piezoelectric stimulation with piezo‐photocatalytic pathways. Under simultaneous light and ultrasonic stimulation, the hydrogel generates therapeutic electrical cues and reactive oxygen species, disrupting ...
Baoying Dai   +15 more
wiley   +1 more source

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