Results 71 to 80 of about 499,530 (305)

Frequency-dependent attenuation and elasticity in unconsolidated earth materials: effect of damping [PDF]

open access: yes, 2016
We use the Discrete Element Method (DEM) to understand the underlying attenuation mechanism in granular media, with special applicability to the measurements of the so-called effective mass developed earlier.
Hu, Yanqing   +3 more
core  

A new kinetic theory model of granular flows that incorporates particle stiffness

open access: yes, 2018
Granular materials are characterized by large collections of discrete particles of sizes larger than one micron, where the particle-particle interactions are significantly more important than the particle-fluid interactions.
Duan, Yifei, Feng, Zhi-Gang
core   +1 more source

Discrete modelling of capillary mechanisms in multi-phase granular media [PDF]

open access: yes, 2009
A numerical study of multi-phase granular materials based upon micro-mechanical modelling is proposed. Discrete element simulations are used to investigate capillary induced effects on the friction properties of a granular assembly in the pendular regime.
Chareyre, B.   +3 more
core   +4 more sources

Modeling Slope in a Geographic Information System [PDF]

open access: yes, 2004
Geographic Information Systems (GIS) offer a cost-effective way to analyze and inventory land and environmental resources. There are many attributes that can be displayed and analyzed in GIS. One of these attributes is slope, which can be calculated from
Mattson, Tabitha L.   +1 more
core   +1 more source

Comparison of Different DEM Generation Methods based on Open Source Datasets

open access: yesJournal of Engineering, 2019
Digital Elevation Model (DEM) is one of the developed techniques for relief representation.  The definition of a DEM construction is the modeling technique of earth surface from existing data. DEM plays a role as one of the fundamental information requirement that has been generally utilized in GIS data structures.
aya M. Hapep, Maythm AL-Bakri
openaire   +3 more sources

Adherence to Protocol Recommendations for Children With Wilms Tumour in Two Consecutive Studies in the United Kingdom and Ireland—Does Variation Matter?

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Wilms tumour (WT) has excellent event‐free and overall survival (OS). However, small differences exist between countries participating in the same international study. This led us to examine variation in adherence to protocol recommendations as a potential contributing factor.
Suzanne Tugnait   +23 more
wiley   +1 more source

RADAR INTERFEROMETRY APPLICATION FOR DIGITAL ELEVATION MODEL IN MOUNT BROMO, INDONESIA

open access: yesGeoid, 2015
This paper reviewed the result and processing of digital elevation model (DEM) using L-Band ALOS PALSAR data and two-pass radar interferometry method in Bromo Mountain region.
Noorlaila Hayati   +2 more
doaj   +1 more source

Achieving non-discrimination in prediction

open access: yes, 2018
Discrimination-aware classification is receiving an increasing attention in data science fields. The pre-process methods for constructing a discrimination-free classifier first remove discrimination from the training data, and then learn the classifier ...
Wu, Xintao, Wu, Yongkai, Zhang, Lu
core   +1 more source

Advanced InSAR atmospheric correction: MERIS/MODIS combination and stacked water vapour models [PDF]

open access: yes, 2009
A major source of error for repeat-pass Interferometric Synthetic Aperture Radar (InSAR) is the phase delay in radio signal propagation through the atmosphere (especially the part due to tropospheric water vapour).
Argus D. F.   +19 more
core   +1 more source

Sirolimus for Extracranial Arteriovenous Malformations: A Scoping Review of the Evidence in Syndromic and Non‐Syndromic Cases

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Arteriovenous malformations (AVMs) are rare, high‐flow, vascular anomalies that can occur either sporadically or as part of a genetic syndrome. AVMs can progress with serious morbidity and even mortality if left unchecked. Sirolimus is an mTOR inhibitor that is effective in low‐flow vascular malformations; however, its role in AVMs is unclear.
Will Swansson   +3 more
wiley   +1 more source

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