Results 11 to 20 of about 152,588 (248)

Optical properties of zigzag nickel nanostructures obtained at different deposition angles [PDF]

open access: yesScience of Sintering, 2021
In this study, nickel (Ni) thin films were deposited at two different angles (65o and 85o) using Glancing Angle Deposition technique, to the thicknesses of 60 - 290 nm.
Potočnik Jelena, Popović Maja
doaj   +1 more source

Innovative Material Can Mimic Coral and Boulder Reefs Properties

open access: yesFrontiers in Marine Science, 2021
Low-Voltage Mineral Deposition technology (LVMD), widely known as Biorock, has previously been suggested as support for coral reef restoration, as hypothesized high porosity, wide pore-size distribution and connectivity, and good strength properties may ...
Lucia Margheritini   +9 more
doaj   +1 more source

Variation of Open-Pit Waste Dump Specimens Under Effective Pressure Influence

open access: yesFrontiers in Earth Science, 2021
The waste dump is a giant artificial loose pile body composed of fine, medium, and coarse particle sizes. Rising incidents of landslides caused by overburden pressure and effective pressure are of increasing concern in the open-pit waste dump and, if not
Gerson. S. V. Tovele   +2 more
doaj   +1 more source

A modified pulse‐decay approach to simultaneously measure permeability and porosity of tight rocks

open access: yesEnergy Science & Engineering, 2021
Permeability and porosity are the two most important parameters of rocks for the evaluation and exploitation of oil/gas reservoirs. In this study, a modified pulse‐decay method has been developed to measure both permeability and porosity simultaneously ...
Yue Wang   +5 more
doaj   +1 more source

Investigation of the Uniformity of Gel Shrinkage by Imaging Tracer Particles Using X‐Ray Microtomography

open access: yesAdvanced Engineering Materials, EarlyView., 2023
A novel method for tracking structural changes in gels using widely accessible microcomputed tomography is presented and validated for various hydro‐, alco‐, and aerogels. The core idea of the method is to track positions of micrometer‐sized tracer particles entrapped in the gel and relate them to the density of the gel network.
Anja Hajnal   +3 more
wiley   +1 more source

Micro-pore structure characteristics and macro-mechanical properties of PP fibre reinforced coal gangue ceramsite concrete

open access: yesThe Journal of Engineering, 2020
Adding polypropene (PP) fibre can enhance the mechanical properties of coal gangue ceramsite concrete (CGCC), which is a kind of green concrete for solid waste utilisation.
Jisheng Qiu   +6 more
doaj   +1 more source

Direct Energy Deposition of Mo Powder Prepared by Electrode Induction Melting Gas Atomization [PDF]

open access: yesArchives of Metallurgy and Materials, 2021
Molybdenum (Mo) is used to form a barrier layer for metal wiring in displays or semiconductor devices. Recently, researches have been continuously attempted to fabricate Mo sputtering targets through additive manufacturing.
Goo-Won Roh   +4 more
doaj   +1 more source

Assembly and Covalent Cross-Linking of an Amine-Functionalised Metal-Organic Cage

open access: yesFrontiers in Chemistry, 2021
The incorporation of reactive functional groups onto the exterior of metal-organic cages (MOCs) opens up new opportunities to link their well-defined scaffolds into functional porous solids.
Matthew L. Schneider   +3 more
doaj   +1 more source

Removal of Decontaminating Agent from Aqueous Solution Using Microporous and Mesoporous Materials: Activated Carbon as an Effective Adsorbent

open access: yesAdsorption Science & Technology, 2008
Wastewater from nuclear plants contains oxalic acid, a chelating compound used to remove surface activity. This forms complexes with radioactive cations, thereby impeding their removal by conventional techniques. In this study, oxalic acid was removed by
Narasimhan Gokulakrishnan   +2 more
doaj   +1 more source

Numerical simulation on effects of pore characteristics on strength in porous ceramics

open access: yesMechanical Engineering Journal, 2019
Porous ceramics are expected to be applied as filters, catalysts, etc. in energy related structures, because they have higher heat-resistance and larger specific surface area.
Natsumi MIYAZAKI   +2 more
doaj   +1 more source

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