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Articles 22201 - 22230 of 302422
Full-Text Articles in Physical Sciences and Mathematics
Mgrre_Thinsections_05_A_90, Mgrre
Estimation Of Economic Risk From Coastal Natural Hazards In Louisiana, Rubayet Bin Mostafiz
Estimation Of Economic Risk From Coastal Natural Hazards In Louisiana, Rubayet Bin Mostafiz
LSU Doctoral Dissertations
Louisiana, U.S.A., is among the most vulnerable areas globally to coastal natural hazards, with risk vulnerability likely increasing. The risks associated with non-tropical-cyclone hazards in Louisiana’s coastal zone have been understudied. This research enhances present and future (i.e., 2050) Louisiana risk assessment using locally-weighted, model-based hazard frequency/intensity and population projections.
Results suggest that property risks associated with extreme cold temperature and tornado are and will remain costlier than those for hail and lightning. Property risks of extreme cold temperature and hail are projected to decrease with the expected warming temperatures, with those of all four of these hazards peaking in …
A Patient-Specific Algorithm For Lung Segmentation In Chest Radiographs, Manawaduge Supun De Silva, Barath Narayanan Narayanan, Russell C. Hardie
A Patient-Specific Algorithm For Lung Segmentation In Chest Radiographs, Manawaduge Supun De Silva, Barath Narayanan Narayanan, Russell C. Hardie
Electrical and Computer Engineering Faculty Publications
Lung segmentation plays an important role in computer-aided detection and diagnosis using chest radiographs (CRs). Currently, the U-Net and DeepLabv3+ convolutional neural network architectures are widely used to perform CR lung segmentation. To boost performance, ensemble methods are often used, whereby probability map outputs from several networks operating on the same input image are averaged. However, not all networks perform adequately for any specific patient image, even if the average network performance is good. To address this, we present a novel multi-network ensemble method that employs a selector network. The selector network evaluates the segmentation outputs from several networks; on …
Inverting Passive Margin Stratigraphy For Marine Sediment Transport Dynamics Over Geologic Time, Charles Shobe, Jean Braun, Xiaoping Yuan, Benjamin Campforts, Boris Gailleton, Guillaume Baby, François Guillocheau, Cécile Robin
Inverting Passive Margin Stratigraphy For Marine Sediment Transport Dynamics Over Geologic Time, Charles Shobe, Jean Braun, Xiaoping Yuan, Benjamin Campforts, Boris Gailleton, Guillaume Baby, François Guillocheau, Cécile Robin
Faculty & Staff Scholarship
Passive margin stratigraphy contains time-integrated records of landscapes that have long since vanished. Quantitatively reading the stratigraphic record using coupled landscape evolution and stratigraphic forward models (SFMs) is a promising approach to extracting information about landscape history. However, there is no consensus about the optimal form of simple SFMs because there has been a lack of direct tests against observed stratigraphy in well-constrained test cases. Specifically, the extent to which SFM behaviour over geologic space and timescales should be governed by local (downslope sediment flux depends only on local slope) versus nonlocal (sediment flux depends on factors other than local …
Expanding The Scope Of Clickable Azide-Functionalized Nanoclusters To Include Au144, Johanna A. De Jong
Expanding The Scope Of Clickable Azide-Functionalized Nanoclusters To Include Au144, Johanna A. De Jong
Electronic Thesis and Dissertation Repository
Thiolate-protected Au144 nanoclusters (NCs) are an intriguing member of the gold NC family. Their geometric structure, distinct electrochemical features, and susceptibility to structural rearrangement under the duress of ligand exchange have been studied. However, there are currently no established protocols for surface modification or tuning of their ligand shells post synthesis. Here, the direct synthesis of three regioisomers of azide-modified Au144 NCs with 60 azide moieties, i.e., Au144(SC2H4C6H4-N3)60, is reported, in which the azide functionality is located at the ortho-, meta-, or …
Journal Of Roleplaying Studies And Steam (Jrpssteam) Vol. 1 [2022], Issue 1., Cristo Leon, James Lipuma, Ricardo Morales-Carbajal, Miguel A. Bastarrachea-Magnani, Alain Arriaga, Christian Miguel Rudich De La Rosa, Edgar Meritano, Mauricio Rangel
Journal Of Roleplaying Studies And Steam (Jrpssteam) Vol. 1 [2022], Issue 1., Cristo Leon, James Lipuma, Ricardo Morales-Carbajal, Miguel A. Bastarrachea-Magnani, Alain Arriaga, Christian Miguel Rudich De La Rosa, Edgar Meritano, Mauricio Rangel
Journal of Roleplaying Studies and STEAM
Volumen completo del Journal of Roleplaying Studies and STEAM (JRPSSTEAM) Vol. 1 [2022], Issue 1.
S7e8: What Is The Legacy And Future Of The Climate Change Institute?, Ron Lisnet, Paul A. Mayewski, Daniel Sandweiss, Cynthia Isenhour
S7e8: What Is The Legacy And Future Of The Climate Change Institute?, Ron Lisnet, Paul A. Mayewski, Daniel Sandweiss, Cynthia Isenhour
The Maine Question
The nation’s first multi- and inter-disciplinary research institute to study Earth’s recent and long-term climate variability was founded in 1972 at the University of Maine. That institute, now known as the Climate Change Institute, is celebrating its 50th anniversary this year, a milestone that honors the many groundbreaking discoveries its scientists have made in the field of climate science.
CCI have scientists first mapped the difference between climate during the Ice Age and today in the 1970s; discovered the importance of marine-based ice sheets in the 1980s; connected acid rain to human causes in the mid-1980s; uncovered the concept of …
Enhanced Photo-Fenton Activity Using Magnetic Cu0.5Mn0.5Fe2O4 Nanoparticles As A Recoverable Catalyst For Degrading Organic Contaminants, Athaphon Angkaew, Chainarong Sakulthaew, Matura Nimtim, Saksit Imman, Tunlawit Satapanajaru, Nopparat Suriyachai, Torpong Kreetachat, Steven Comfort, Chanat Chokejaroenrat
Enhanced Photo-Fenton Activity Using Magnetic Cu0.5Mn0.5Fe2O4 Nanoparticles As A Recoverable Catalyst For Degrading Organic Contaminants, Athaphon Angkaew, Chainarong Sakulthaew, Matura Nimtim, Saksit Imman, Tunlawit Satapanajaru, Nopparat Suriyachai, Torpong Kreetachat, Steven Comfort, Chanat Chokejaroenrat
School of Natural Resources: Faculty Publications
Interest in using various nanoparticle catalysts to activate H2O2 with light for organic contaminant and wastewater treatment is steadily increasing. We successfully synthesized magnetically recoverable Cu0.5Mn0.5Fe2O4 nanoparticles using a simple co-precipitation method followed by melamine-assisted calcination. Material characterization revealed that melamine acted as a coordinating agent during the calcination process that promoted a ferrite structure. Copper (Cu)-substitution effectively decreased material aggregation and promoted catalytic activities. Cu0.5Mn0.5Fe2O4 nanoparticles showed outstanding catalytic performance on several organic contaminants (87.6–100.0% removal within 2 h). Using oxytetracycline (OTC) …
Mgrre_Thinsections_05_A_89, Mgrre
Mgrre_Thinsections_Mgrre-103_1, Mgrre
Mgrre_Thinsections_Mgrre-103_2, Mgrre
Mgrre_Thinsections_Mgrre-104_1, Mgrre
Mgrre_Thinsections_Mgrre-103_3, Mgrre
Mgrre_Thinsections_Mgrre-104_4, Mgrre
Mgrre_Thinsections_Mgrre-104_8, Mgrre
Mgrre_Thinsections_Mgrre-104_10, Mgrre
Mgrre_Thinsections_Mgrre-104_14, Mgrre
Mgrre_Thinsections_Mgrre-104_13, Mgrre
Mgrre_Thinsections_Mgrre-104_12, Mgrre
Mgrre_Thinsections_Mgrre-104_15, Mgrre
Mgrre_Thinsections_Mgrre-105_1, Mgrre
Mgrre_Thinsections_Mgrre-104_16, Mgrre
Mgrre_Thinsections_Mgrre-105_3, Mgrre
Mgrre_Thinsections_Mgrre-105_5, Mgrre
Mgrre_Thinsections_Mgrre-105_6, Mgrre
Mgrre_Thinsections_Mgrre-105_7, Mgrre
Mgrre_Thinsections_Mgrre-105_11, Mgrre
Mgrre_Thinsections_Mgrre-105_14, Mgrre