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Knowledge, Uncertainty and Risks: From Individual to Global Scale
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2044 Series: Anti-racist Pedagogy in Art and Design
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1,556 Matching Results
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Re-examination of the N2O+O reaction
This article is about how the reaction of N20 with O is a key step in consumption of nitrous oxide in thermal processes. In the present work ,the authors re-examined a wide range of experiments relevant for the N2O+O reaction through kinetic modeling, paying attention to the impact of artifacts such as impurities and surface reactions.
Date:
July 27, 2023
Creator:
Glarborg, Peter; Allingham, Johanne S.; Skov, Alexander B.; Hashemi, Hamid & Marshall, Paul
Object Type:
Article
System:
The UNT Digital Library
Reactions of hydrazine with the amidogen radical and atomic hydrogen
Article describes how the rate coefficient k1 for NH2 + N2H4 was measured to be (5.4 ± 0.4) × 10−14 cm3 molecule−1 s−1 at 296 K. The authors then describe how a combination of experiment and theory leads to a recommended rate coefficient for hydrogen abstraction of k1 = 6.3 × 10−23 T3.44 exp(+289 K/T) cm3 molecule−1 s−1.
Date:
June 7, 2023
Creator:
Gao, Yide; Alecu, I. M.; Hashemi, Hamid; Glarborg, Peter & Marshall, Paul
Object Type:
Article
System:
The UNT Digital Library
Probing High-Temperature Amine Chemistry: Is the Reaction NH3 + NH2 ⇄ N2H3 + H2 Important?
Article describes how the reaction NH3 + NH2 ⇄ N2H3 + H2 (R1) has been identified as a key step to explain experimental results for pyrolysis and oxidation of ammonia. In the present work, the reaction was studied by ab initio theory and by reinterpretation of experimental data.
Date:
March 14, 2023
Creator:
Marshall, Paul & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library
Measurement of the Intramolecular Hydrogen-Shift Rate Coefficient for the CH3SCH2OO Radical Between 314 and 433 K
Article describes how the intramolecular hydrogen-shift rate coefficient of the CH3SCH2O2 (methylthiomethylperoxy, MSP) radical, a product formed in the oxidation of dimethyl sulfide (DMS), was measured using a pulsed laser photolysis flow tube reactor coupled to a high-resolution time-of-flight chemical ionization mass spectrometer that measured the formation of the DMS degradation end product HOOCH2SCHO. Measurements performed over the temperature range of 314–433 K yielded a hydrogen-shift rate coefficient of k1(T) = (2.39 ± 0.7) × 109 exp(−(7278 ± 99)/T) s–1 Arrhenius expression and a value extrapolated to 298 K of 0.06 s–1.
Date:
March 2, 2023
Creator:
Assaf, Emmanuel; Finewax, Zachary; Marshall, Paul; Veres, Patrick R.; Neuman, Andrew & Burkholder, James B. (James Bart), 1954-
Object Type:
Article
System:
The UNT Digital Library
Re-evaluation of rate constants for the reaction N2H4 (+ M) ⇄ NH2 + NH2 (+ M)
Article describes how rate constants for the dissociation/recombination reaction N2H4 (+ M) ⇄ NH2 + NH2 (+ M) are determined by a combination of quantum-chemical calculations and statistical unimolecular rate theory. Implications of the present re-evaluated rate constants for the modeling of high temperature ammonia oxidation kinetics are discussed, showing an only small influence of their precise values on the overall properties of the process.
Date:
October 4, 2023
Creator:
Cobos, Carlos J.; Glarborg, Peter; Marshall, Paul & Troe, Jürgen
Object Type:
Article
System:
The UNT Digital Library
A Student's Role in Collection Development
This poster is about a student's role in collection development. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Joseph, Mayakah
Object Type:
Poster
System:
The UNT Digital Library
How A Library Student Can Get A Job?
This poster describes how a library student may be able to get a job. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Dubey, Lakshmi
Object Type:
Poster
System:
The UNT Digital Library
Day in the life of a Metadata Student: The Chronicles of Oklahoma
Presentation is about the day in the life of a metadata student working on the Chronicles of Oklahoma collection. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Bussey, Jennifer
Object Type:
Presentation
System:
The UNT Digital Library
Experimental and Modeling Study of Water Time Histories during H2S-N2O Combustion in a Shock Tube
Article describes how, in the present study, the water formation was followed by laser absorption with N2O as an oxidant, instead of O2. Three H2S/N2O mixtures diluted in 98% Ar were studied to cover the following range of equivalence ratios: 0.5, 1.0, and 2.0, over a wide range of temperatures (1580–1940 K) around atmospheric pressure.
Date:
June 7, 2023
Creator:
Cooper, Sean P.; Marshall, Paul; Mathieu, Olivier; Pinzón, Laura T.; Mulvihill, Clayton R. & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library
Supporting Student Parents in Willis Library
This is a poster about how to support student parents using the resources at Willis Library. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Ramos, Emma
Object Type:
Poster
System:
The UNT Digital Library
What I Have learned In My Year of Feedback
This presentation is about the experience gained while working as a student feedback assistant. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Esparza, Daniel
Object Type:
Presentation
System:
The UNT Digital Library
The Digital Archive Process in Relation to the Creation of Medieval Manuscripts
This is a presentation about how the digital archive process is related to the creation of medieval manuscripts. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Resetar, Connor
Object Type:
Presentation
System:
The UNT Digital Library
Computational study of the gas-phase reactions of sulfuric acid with OH(ΠJ), O(3PJ), Cl(2P) and O(1D2) radicals
This article is about how rate coefficients for reactions of H2SO4 with OH, O(3P) and Cl radicals over 160–298 K were estimated computationally. The authors propose kOH = 8.5 × 10-14 exp(-50 K/T), kO = 1.1 × 10-12 exp(-5012 K/T) and kCl = 3.1 × 10-9 exp(-3314 K/T) cm3 molecule-1 s−1.
Date:
December 27, 2021
Creator:
Marshall, Paul & Burkholder, James B. (James Bart), 1954-
Object Type:
Article
System:
The UNT Digital Library
Organizing a Successful Workload Analysis Project
Presentation sharing the process for developing and executing a workload analysis project at the University of North Texas Libraries for the Cataloging and Metadata Services department. It was presented at the Creative Solutions in Cataloging, Acquisitions, and Resources Management Conference held by Amigos Library Services on February 15, 2024.
Date:
February 15, 2024
Creator:
Yanowski, Kevin; Sassen, Catherine & Brannon, Sian
Object Type:
Presentation
System:
The UNT Digital Library
UNT Music Library Social Media and Me
This is a presentation about the Music Library A-Z Social Media Campaign. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Walther, Becca
Object Type:
Presentation
System:
The UNT Digital Library
GSA Scholarly Works Workflow
This is a poster about the scholarly works workflow for a graduate student assistant. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Warrenfells, Ardis
Object Type:
Poster
System:
The UNT Digital Library
Self-Love Tabling: A GSA Outreach Event
This poster is about a tabling event about self-love as an outreach event. It was presented at the UNT Libraries' 2024 Student Snapshots Symposium held in Denton, Texas.
Date:
April 10, 2024
Creator:
Londa, Ashra & Cummins, Valerie
Object Type:
Poster
System:
The UNT Digital Library
Dublin Core Metadata Created by Kuwaiti Students: Exploration of Quality in Context
Conference paper reporting results of the examination of metadata records for Arabic-language eBooks to support ongoing metadata education in the Arabian Gulf region. The results are presented in-context, after introducing the metadata teaching practices at this undergraduate program, and the major Dublin Core skill-building assignment. This is a manuscript version of a published work. Citation information is available for the published version of the work.
Date:
March 10, 2023
Creator:
Aljalahmah, Saleh & Zavalina, Oksana
Object Type:
Article
System:
The UNT Digital Library
Exploration of Accuracy, Completeness and Consistency in Metadata for Physical Objects in Museum Collections
Conference paper for an exploratory study that examined student-created metadata for physical non-text resources. The authors applied in-depth qualitative and quantitative content analysis to the Dublin Core (DCTERMS) metadata created by the graduate students in two sections of an introductory digital library metadata course. Finding of comparative analysis for the asynchronous course section and the section with synchronous class meetings are also presented. Implications are discussed, along with future directions for research. This is a manuscript version of a published work. Citation information is available for the published version of the
Date:
March 10, 2023
Creator:
Zavalin, Vyacheslav & Zavalina, Oksana
Object Type:
Article
System:
The UNT Digital Library
Guidelines for Annex Employees on Accessing the All-Gender Restroom
Guidelines created to support the University of North Texas Libraries' all-gender restroom in the Annex building.
Date:
2022
Creator:
Peebles, Emily; Ross, Alyssa; Ericson, Lora & Brannon, Sian
Object Type:
Paper
System:
The UNT Digital Library
Appendix To What We Can Learn From Each Other: International Archival Pedagogy Conversations and Collaborations
This is an appendix to “What We Can Learn From Each Other: International Archival Pedagogy Conversations and Collaborations,” a manuscript that was inspired by a collaborative workshop at the 2023 institute of the Archival Education and Research Initiative (AERI). The lively workshop discussion revealed both how much the participants all had in common, and how much they had to learn from each other. Their discussion highlighted how disconnected and geographically siloed archival education programs still continue to be, despite opportunities for international collaboration between archival educators. With this issue in mind, workshop participants decided to continue their conversations past the AERI 2023 meeting as part of an investigation of current pedagogical practices, teaching needs, and future goals of archival educators in a variety of settings. They met on Zoom and then corresponded asynchronously for a discussion of the structures of their archival education programs, their students’ needs, their teaching goals, how they respond to challenges in their virtual and physical classrooms, and how they can leverage this and future collaborations to benefit both their students and the archival education field as a whole. Using the transcripts of their conversations as a data set, they then used a grounded theory analysis …
Date:
2023
Creator:
Christina-Lamb, Caitlin; Roeschley, Ana; Saurombe, Nampombe; Mojapelo, Makutla; Lee, Jamie A.; Chaterera-Zambuko, Forget et al.
Object Type:
Paper
System:
The UNT Digital Library
Differential effects of soil conservation practices on arthropods and crop yields
Article describes how many agricultural management tactics, such as reduced tillage, aim to promote biodiversity and ecosystem services. Authors assessed how soil tillage and landscape context affected arthropod biodiversity and crop yield in canola crop fields.
Date:
October 31, 2023
Creator:
Lichtenberg, Elinor M.; Milosavljević, Ivan; Campbell, Alistair J. & Crowder, David W.
Object Type:
Article
System:
The UNT Digital Library
Detergent-Based Decellularization for Anisotropic Cardiac-Specific Extracellular Matrix Scaffold Generation
Article describes how cell-derived extracellular matrix has become increasingly popular in tissue engineering applications due to its ability to provide tailored signals for desirable cellular responses. The objective of this study was to assess the efficacy of two detergent-based decellularization methods: a combination of ethylenediaminetetraacetic acid and sodium dodecyl sulfate and a combination of sodium deoxycholate and deoxyribonuclease.
Date:
November 17, 2023
Creator:
Chen, Te-An; Sharma, Dhavan; Jia, Wenkai; Ha, Donggi; Man, Kun; Zhang, Jianhua et al.
Object Type:
Article
System:
The UNT Digital Library
Pareto Optimization of CNN Models via Hardware-Aware Neural Architecture Search for Drainage Crossing Classification on Resource-Limited Devices
Article describes how embedded devices, constrained by limited memory and processors, require deep learning models to be tailored to their specifications. This research explores customized model architectures for classifying drainage crossing images.
Date:
November 12, 2023
Creator:
Li, Yuke; Baik, Jiwon; Rahman, Md Marufi; Anagnostopoulos, Iraklis; Li, Ruopu & Shu, Tong
Object Type:
Article
System:
The UNT Digital Library