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Articles 25471 - 25500 of 302636
Full-Text Articles in Physical Sciences and Mathematics
Mgrre_Thinsections_Mgrre-04_5, Mgrre
Mgrre_Thinsections_Mgrre-04_16, Mgrre
Mgrre_Thinsections_Mgrre-04_20, Mgrre
Mgrre_Thinsections_Mgrre-02_1, Mgrre
Mgrre_Thinsections_Mgrre-02_2, Mgrre
Mgrre_Thinsections_Mgrre-02_3, Mgrre
Mgrre_Thinsections_Mgrre-02_6, Mgrre
Mgrre_Thinsections_Mgrre-02_9, Mgrre
Mgrre_Thinsections_Mgrre-02_13, Mgrre
Mgrre_Thinsections_Mgrre-02_15, Mgrre
Mgrre_Thinsections_Mgrre-02_20, Mgrre
Mgrre_Thinsections_Mgrre-02_24, Mgrre
Mgrre_Thinsections_Mgrre-02_25, Mgrre
Mgrre_Thinsections_Mgrre-04_2, Mgrre
Mgrre_Thinsections_Mgrre-04_9, Mgrre
Mgrre_Thinsections_Mgrre-04_1, Mgrre
Mgrre_Thinsections_Mgrre-04_17, Mgrre
Mgrre_Thinsections_Mgrre-04_15, Mgrre
Mgrre_Thinsections_Mgrre-04_19, Mgrre
Mgrre_Thinsections_Mgrre-04_8, Mgrre
Mgrre_Thinsections_Mgrre-04_10, Mgrre
Mgrre_Thinsections_Mgrre-04_18, Mgrre
Mgrre_Thinsections_05_A_38, Mgrre
Hydrogen Isotope Behavior During Rhyolite Glass Hydration Under Hydrothermal Conditions, Michael R. Hudak, Ilya N. Bindeman, James M. Watkins, Jacob B. Lowenstern
Hydrogen Isotope Behavior During Rhyolite Glass Hydration Under Hydrothermal Conditions, Michael R. Hudak, Ilya N. Bindeman, James M. Watkins, Jacob B. Lowenstern
United States Geological Survey: Staff Publications
The diffusion of molecular water (H2Om) from the environment into volcanic glass can hydrate the glass up to several wt% at low temperature over long timescales. During this process, the water imprints its hydrogen isotope composition (δDH2O) to the glass (δDgl) offset by a glass-H2O fractionation factor (ΔDgl-H2O = δDgl – δDH2O) which is approximately -33‰ at Earth surface temperatures. Glasses hydrate much more rapidly at higher, sub-magmatic temperatures as they interact with H2O during eruption, transport, and emplacement. To aid in the interpretation …
Bayesian Analysis For The Lomax Model Using Noninformative Priors, Daojiang He, Dongchu Sun, Qing Zhu
Bayesian Analysis For The Lomax Model Using Noninformative Priors, Daojiang He, Dongchu Sun, Qing Zhu
Department of Statistics: Faculty Publications
The Lomax distribution is an important member in the distribution family. In this paper, we systematically develop an objective Bayesian analysis of data from a Lomax distribution. Noninformative priors, including probability matching priors, the maximal data information (MDI) prior, Jeffreys prior and reference priors, are derived. The propriety of the posterior under each prior is subsequently validated. It is revealed that the MDI prior and one of the reference priors yield improper posteriors, and the other reference prior is a second-order probability matching prior. A simulation study is conducted to assess the frequentist performance of the proposed Bayesian approach. Finally, …
Analyzing The Production And Use Of Fossil Fuels: A Case For Data Mining And Gis, Alejandro Conde
Analyzing The Production And Use Of Fossil Fuels: A Case For Data Mining And Gis, Alejandro Conde
Geography and the Environment: Graduate Student Capstones
As technology progresses and data grows both larger and more complex, techniques are being developed to keep up with the exponential growth of information. The term “data mining” is a blanket term used to describe an approach to find anomalies and correlations in a large dataset. This approach involves leveraging data mining software to manipulate and prepare data, apply statistics to quantify trends and characteristics in the data from a high level, and potentially apply advanced techniques like machine learning to identify patterns that wouldn’t be apparent otherwise. In this case study, data mining aided a GIS in displaying substantial …
Cultivating Teacher Expertise In The Landscape Of Green Chemistry: The Development Of Pedagogical Content Knowledge In Beyond Benign’S Lead Teacher Program, Philip Charles Nahlik
Cultivating Teacher Expertise In The Landscape Of Green Chemistry: The Development Of Pedagogical Content Knowledge In Beyond Benign’S Lead Teacher Program, Philip Charles Nahlik
Dissertations
Chemistry Education, Green Chemistry, Pedagogical Content Knowledge, Professional Learning Communities, Sustainability, Teacher Training
Investigation Of Carbon Dioxide Oxidation Reaction Pathways On Rh(111) Via Reflection Absorption Infrared Spectroscopy (Rairs), Elizabeth A. Jamka
Investigation Of Carbon Dioxide Oxidation Reaction Pathways On Rh(111) Via Reflection Absorption Infrared Spectroscopy (Rairs), Elizabeth A. Jamka
Dissertations
CO oxidation, RAIRS, Rh(111), Surface Science, UHV
Water Current, Volume 54, No. 2, Fall 2022
Water Current, Volume 54, No. 2, Fall 2022
Water Current Newsletter
Fall Harvest: Research, News and More from the Nebraska Water Center
A Survey On Multimodal Disinformation Detection, Firoj Alam, Stefano Cresci, Tanmoy Chakraborty, Fabrizio Silvestri, Dimitar Dimitrov, Giovanni Da San Martino, Shaden Shaar, Hamed Firooz, Preslav Nakov
A Survey On Multimodal Disinformation Detection, Firoj Alam, Stefano Cresci, Tanmoy Chakraborty, Fabrizio Silvestri, Dimitar Dimitrov, Giovanni Da San Martino, Shaden Shaar, Hamed Firooz, Preslav Nakov
Natural Language Processing Faculty Publications
Recent years have witnessed the proliferation of offensive content online such as fake news, propaganda, misinformation, and disinformation. While initially this was mostly about textual content, over time images and videos gained popularity, as they are much easier to consume, attract more attention, and spread further than text. As a result, researchers started leveraging different modalities and combinations thereof to tackle online multimodal offensive content. In this study, we offer a survey on the state-of-the-art on multimodal disinformation detection covering various combinations of modalities: text, images, speech, video, social media network structure, and temporal information. Moreover, while some studies focused …