Results 131 to 140 of about 141,345 (280)

Mid-infrared reflectance spectroscopy of calcium-aluminium-rich inclusions to identify primitive near Earth asteroids [PDF]

open access: yes, 2014
The recent availability of mid-IR spectroscopy from space telescopes has led to studies attempting to characterise the composition of near Earth asteroids (NEAs) by comparison to spectroscopic observations of meteorites in the laboratory (e.g.
Grady, Monica   +3 more
core  

Inert Catalytic Sites Unlocked by Micropollutants for Rapid Water Decontamination with Near‐Complete Chemical Utilization

open access: yesAdvanced Materials, EarlyView.
Micropollutants can act as molecular triggers that activate a newly designed and chemically inert Fenton‐like PKU‐24 catalyst for on‐demand singlet oxygen generation from peroxymonosulfate (PMS), enabling nearly complete peroxide utilization and selective micropollutant removal from complex real‐world wastewater.
Yu‐Hang Li   +7 more
wiley   +1 more source

Research status and analysis of deep-sea metal mining equipment and technologies

open access: yesMeitan xuebao
Metal mineral resources are critical materials for the world economic development. In a situation of weak supply of terrestrial rare metals, many countries are expanding the direction of resource extraction from a land-based approach to a land-sea ...
Yongping JIN   +3 more
doaj   +1 more source

Automated Additive Construction (AAC) for Earth and Space Using In-situ Resources [PDF]

open access: yes, 2016
Using Automated Additive Construction (AAC), low-fidelity large-scale compressive structures can be produced out of a wide variety of materials found in the environment.
Ali, Hisham   +32 more
core  

Molecular‐Level Insights into Interfacial Adsorption Mechanisms of PFOA on Functional Dolomite Surfaces via AIMD and Spectroscopy

open access: yesAdvanced Materials Interfaces, EarlyView.
Perfluorooctanoic acid (PFOA), ab initio molecular dynamics (AIMD), density functional theory (DFT), Dolomite (DL), metal‐organic frameworks (MOFs), calcined modified dolomite (CDL), zero‐point of charge (PZC), metal‐organic frameworks (MOFs), Fourier transform infrared (FTIR), X‐ray diffraction (XRD), scanning electron microscopy (SEM ...
Yating Yang   +8 more
wiley   +1 more source

Appraisal of Engineering Phases of a Mineral Asset: From Exploration to Mine Approval

open access: yesJournal of Minerals and Materials Characterization and Engineering, 2023
openaire   +1 more source

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

A Comparative Study on Early‐Stage Icing Evaluation Techniques for Passive Ice Protection Systems

open access: yesAdvanced Materials Interfaces, EarlyView.
This study addresses the lack of standardized methodologies for evaluating the early‐stage icing performance of passive ice protection systems. A unified experimental protocol is proposed and applied to representative hydrophilic and hydrophobic surfaces under controlled conditions.
Lorenzo Facco   +4 more
wiley   +1 more source

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