Results 101 to 110 of about 143,691 (326)

Carbon fixation by basalt-hosted microbial communities

open access: yesFrontiers in Microbiology, 2015
Oceanic crust is a massive potential habitat for microbial life on Earth, yet our understanding of this ecosystem is limited due to difficulty in access. In particular, measurements of rates of microbial activity are sparse. We used stable carbon isotope
Beth N Orcutt   +6 more
doaj   +1 more source

Seismic attenuation in Faroe Islands basalts

open access: yes
We analysed vertical seismic profiling (VSP) data from two boreholes at Glyvursnes and Vestmanna on the island of Streymoy, Faroe Islands, to determine the magnitude and causes of seismic attenuation in sequences of basalt flows.
Worthington, M. H.   +5 more
core   +1 more source

Quality Assessment of Melanocratic Basalt for Mineral Fiber Product, Southern Urals, Russia

open access: yes, 2015
Basalt fibers have recently come into the spotlight due to their superior physical and chemical properties, which rank only below expensive carbon and silicon carbide fibers.
Pisciotta, A.   +4 more
core   +1 more source

In Situ Curing‐Enabled 3D Printing of Continuous Fiber‐Reinforced Thermosetting Composites

open access: yesJournal of Polymer Science, EarlyView.
In situ curing‐enabled the 3D printing of continuous fiber/thermoset composites, which were reviewed. Particularly, four types of in situ curing, were discussed, including Radiation‐induced curing, photothermal curing, electrothermal curing, and frontal polymerization. AI‐integrated printing was also analyzed.
Xiaofei Wu   +2 more
wiley   +1 more source

Cost-Effectiveness of Reinforced Recycled Aggregate Concrete Structures with Fly Ash and Basalt Fibres Under Corrosion: A Life Cycle Cost Analysis

open access: yesBuildings
Recent investigations have shown that the mechanical and durability properties of recycled aggregate concrete can be enhanced using fly ash (FA) and structural fibres.
Abdelrahman Abushanab   +1 more
doaj   +1 more source

Properties and Applications of Basalt Fiber and Its Composites

open access: yesIOP Conference Series: Earth and Environment, 2018
Basalt fiber is a green, healthy and environmentally friendly high-tech fiber product without environmental pollution. It is widely used in military and civilian fields.
Zongwen Li   +3 more
semanticscholar   +1 more source

The Age and Origin of Block Deposits in the Victorian Alps, Australia

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Large periglacial block deposits are found in the mountains of southeastern Australia. Despite their widespread distribution, their mode of formation and age are poorly understood. These landforms hold considerable potential to shed light on the nature of cooling during glacial periods. In this paper we present a new study of block deposits in
Timothy T. Barrows   +4 more
wiley   +1 more source

High‐Pressure Na‐Ca Carbonates in the Deep Carbon Cycle

open access: yesGeophysical Monograph Series, Page 127-136., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Sergey Rashchenko   +2 more
wiley  

+9 more sources

Red Fox Optimization-Based Estimation Algorithms for Splitting Tensile Strength of Basalt Fiber Reinforced Concrete

open access: yesJournal of Applied Science and Engineering
To address the limited availability of literature on the splitting tensile strength (STS) of basalt fiber reinforced concrete (BFRC), it is necessary to create and evaluate approaches for predicting STS.
Xiao Wu, Daoyong Zhu, Qin Yan
doaj   +1 more source

Development and application of the phase-screen seismic modelling code [PDF]

open access: yes, 2009
As a consequence of the aims of this project, this thesis is divided into two distinct sections. Initially, the computationally efficient phase-screen forward modelling technique is extended to allow investigation of non-normal ray paths.
White, James C.
core  

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