Results 81 to 90 of about 46,444 (226)

Energetics of the Citric Acid Cycle in the Deep Biosphere

open access: yesGeophysical Monograph Series, Page 303-327., 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 ...
Peter A. Canovas III, Everett L. Shock
wiley  

+1 more source

Punching strength of flat slabs with shear reinforcement: considerations about the control perimeters [PDF]

open access: yesRevista IBRACON de Estruturas e Materiais
In structural design practice and scientific research on flat slabs, estimating the punching shear resistance of slab-column connection with shear reinforcement involves checking the shear stress acting on a control perimeter outside the shear-reinforced
Marcos Honorato Oliveira   +5 more
doaj   +1 more source

Inelastic Behaviour of Hybrid Steel/Concrete Column-to-Flat Slab Assemblages

open access: yes, 2011
The use of tubular columns in conjunction with reinforced concrete flat slabs provides structurally efficient solutions which avoid undesirable failure modes such as those associated with shear.
Eder, Martin A., Eder, Martin A.
core   +1 more source

The Very Highly Ionized Broad Absorption Line System of the QSO SBS1542+541 [PDF]

open access: yes, 1998
We have analyzed the broad absorption line system of the bright (V=16.5) high-redshift (z=2.361) QSO SBS1542+541 using UV spectra from the HST FOS along with optical data from the MMT and the Steward Observatory 2.3m telescope.
Arthur F. Davidsen   +11 more
core   +2 more sources

Bath Vibration During Open Eye Formation in a Physical Model of a Steelmaking Ladle

open access: yessteel research international, EarlyView.
Using a physical model, this study shows that vibration measurements reliably predict open eye size in steelmaking ladles, offering a practical alternative to visual monitoring. Vessel vibrations stabilize faster than the open eye, except at high frequencies near the bottom.
Mika Pylvänäinen   +6 more
wiley   +1 more source

Modelling and analysis the effect of unbalanced moment directions on behaviour of edge column-slab connections

open access: yesMATEC Web of Conferences, 2018
This research investigates the effect of unbalanced moment directions on the behaviour of edge column slab connections using a finite element analysis.
Sudarsana I Ketut   +2 more
doaj   +1 more source

Early use of the reinforced concrete in the architecture of the Historicism in Austria–Hungary

open access: yesStructural Concrete, EarlyView.
Abstract The study examines the early incorporation of reinforced concrete in the architecture of Historicism in Austria–Hungary. Spanning the late 19th to early 20th centuries, the research illuminates the period's stylistic pluralism and the transformative impact of reinforced concrete.
Éva Lovra, Zoltán Bereczki
wiley   +1 more source

Multiwavelength campaign on Mrk 509. V. Chandra-LETGS observation of the ionized absorber

open access: yes, 2011
We present here the results of a 180 ks Chandra-LETGS observation as part of a large multi-wavelength campaign on Mrk 509. We study the warm absorber in Mrk 509 and use the data from a simultaneous HST-COS observation in order to assess whether the gas ...
Arav, N.   +13 more
core   +1 more source

The Pier Luigi Nervi's concrete structure of Palazzetto dello Sport: Modeling and dynamic characterization

open access: yesStructural Concrete, EarlyView.
Abstract This paper presents a numerical and experimental study aimed at the modeling and dynamic characterization of the reinforced concrete structure of the Palazzetto dello Sport in Rome, designed and by Pier Luigi Nervi with Annibale Vitellozzi, and built by Nervi & Bartoli contractors in 1956‐57.
Jacopo Ciambella   +2 more
wiley   +1 more source

Experimental and numerical investigation on composite beam–column joint connection behavior using different types of connection schemes

open access: yesOpen Engineering
Over the past few decades, composite joints have been regarded as one of the most promising approaches. After reviewing the research articles dealing with composite beam-column joints, it can be withdrawn that few researchers studied and developed ...
Askar Lawend Kamal   +2 more
doaj   +1 more source

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