Results 51 to 60 of about 5,492,472 (182)

Real-time quantitative analysis of volatile products generated during solid-state polypropylene thermal oxidation [PDF]

open access: yes, 2013
Analysis of volatile organic compounds (VOCs) during PP thermal oxidation under three oxygen partial pressures (0%, 21% and 100% of atmospheric pressure) at 140 C was performed by proton transfer reaction coupled with Fourier transform ion cyclotron ...
COLIN, Xavier   +6 more
core   +4 more sources

Comparison of multidetector-row computed tomography and duplex Doppler ultrasonography in detecting atherosclerotic carotid plaques complicated with intraplaque hemorrhage [Usporedba višeslojne kompjuterizirane tomografije i duplex Doppler ultrazvuka u otkrivanju aterosklerotskih karotidnih plakova kompliciranih krvarenjem u plak ] [PDF]

open access: yes, 2013
This study compared sensitivity and specificity of multidetector-row computed tomography and duplex Doppler ultrasonography in detecting atherosclerotic carotid plaques complicated with intraplaque hemorrhage.
Ajduk, Marko   +8 more
core  

The accurate digitization of historical sea level records

open access: yesGeoscience Data Journal
Understanding regional sea level variations is crucial for assessing coastal vulnerability, with accurate sea level data playing a pivotal role. Utilizing historical sea level marigrams can enhance datasets, but current digitization techniques face ...
Patrick J. McLoughlin   +4 more
doaj   +1 more source

Implementation of global soil databases in the Noah-MP model and the effects on simulated mean and extreme soil hydrothermal changes [PDF]

open access: yesHydrology and Earth System Sciences
Soil properties and their associated hydrophysical parameters represent a significant source of uncertainty in land surface models (LSMs), with consequent effects on simulated sub-surface thermal and moisture characteristics, surface energy exchanges ...
K. A. Ishola   +12 more
doaj   +1 more source

Design of a phonetic corpus for speech recognition in catalan [PDF]

open access: yes, 1998
In this paper, we present the design of a corpus for speech recognition to be used for the recording of a speech database in Catalan. A previous database in Spanish was the reference in setting the specifications about the characteristics of the ...
Esquerra Llucià, Ignasi   +3 more
core  

Structure identification methods for atomistic simulations of crystalline materials

open access: yes, 2012
We discuss existing and new computational analysis techniques to classify local atomic arrangements in large-scale atomistic computer simulations of crystalline solids. This article includes a performance comparison of typical analysis algorithms such as
Stukowski, Alexander
core   +1 more source

The Irish drought impacts database: A 287‐year database of drought impacts derived from newspaper archives

open access: yesGeoscience Data Journal
Understanding of past droughts has been mostly shaped by meteorological data, with relatively less known about the human aspects of droughts, their socio‐economic impacts, as well as choices people make in response to droughts in different environmental ...
Eva Jobbová   +8 more
doaj   +1 more source

A Systematic Review of Forensic Approaches to Disasters: Gaps and Challenges

open access: yesInternational Journal of Disaster Risk Science, 2023
Disaster forensic approaches aim to identify the causes of disasters to support disaster risk management. However, few studies have conducted a systematic literature review of scientific articles that labeled themselves as a forensic approach to ...
Adriano Mota Ferreira   +4 more
doaj   +1 more source

Methodological issues in developing a multi-dimensional coding procedure for small group chat communication [PDF]

open access: yes, 2007
In CSCL research, collaboration through chat has primarily been studied in dyadic settings. This article discusses three issues that emerged during the development of a multi-dimensional coding procedure for small group chat communication: a) the unit of
Stahl, Gerry, Strijbos, Jan-Willem
core   +2 more sources

Historic hydrological droughts 1891–2015: systematic characterisation for a diverse set of catchments across the UK [PDF]

open access: yesHydrology and Earth System Sciences, 2019
Hydrological droughts occur in all climate zones and can have severe impacts on society and the environment. Understanding historical drought occurrence and quantifying severity is crucial for underpinning drought risk assessments and developing drought ...
L. J. Barker   +8 more
doaj   +1 more source

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