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Development of a Thulium Fiber Laser for an Atomic Spectroscopy Experiment (open access)

Development of a Thulium Fiber Laser for an Atomic Spectroscopy Experiment

This article is a simplified analysis of a convenient thulium fiber laser source with 3 W of output power operating at a wavelength of 2059 nm with a slope efficiency of 49% with respect to input pump power and 60% with respect to absorbed pump power. The laser was applied in an atomic helium spectroscopy experiment to quench ³He (2058.63 nm) and ⁴He (2058.69 nm) meta-stable singlets (2¹S0), allowing for further investigation of the helium fine structure.
Date: February 15, 2020
Creator: Currey, Ronnie; Khademian, Ali & Shiner, David
Object Type: Article
System: The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Saturday, February 15, 2020 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Saturday, February 15, 2020

Triweekly newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: February 15, 2020
Creator: unknown
Object Type: Newspaper
System: The Gateway to Oklahoma History
Gainesville Daily Register (Gainesville, Tex.), Vol. 130, No. 119, Ed. 1 Saturday, February 15, 2020 (open access)

Gainesville Daily Register (Gainesville, Tex.), Vol. 130, No. 119, Ed. 1 Saturday, February 15, 2020

Daily newspaper from Gainesville, Texas that includes local, state, and national news along with advertising.
Date: February 15, 2020
Creator: Einselen, Sarah
Object Type: Newspaper
System: The Portal to Texas History

[Masked child making snow angels during “snowmageddon]

Photograph of a masked child making snow angels during “snowmageddon”.
Date: August 20, 2022
Creator: Murphy, Kelly
Object Type: Photograph
System: The UNT Digital Library
Mount Pleasant Tribune (Mount Pleasant, Tex.), Vol. 146, No. 19, Ed. 1 Saturday, February 15, 2020 (open access)

Mount Pleasant Tribune (Mount Pleasant, Tex.), Vol. 146, No. 19, Ed. 1 Saturday, February 15, 2020

Semiweekly newspaper from Mount Pleasant, Texas that includes local, state, and national news along with advertising.
Date: February 15, 2020
Creator: Oglesby, Miranda
Object Type: Newspaper
System: The Portal to Texas History

[TXSSAR members in costume at DAR event]

Photograph of Jerry Cope, Dan Hamilton, Ned Myers and an unidentified member of the TXSSAR at a DAR Lucretia Council Cochran chapter event. They are all in costume, standing side by side and smiling at the camera.
Date: February 15, 2020
Creator: Texas Society Sons of the American Revolution, Arlington Chapter 7
Object Type: Image
System: The UNT Digital Library
[TXSSAR members perform Color Guard ceremony at DAR meeting] captions transcript

[TXSSAR members perform Color Guard ceremony at DAR meeting]

Video of the TXSSAR Color Guard performing at a DAR Lucretia Council Cochran chapter meeting. They are walking through the room with flags, while DAR members stand at tables with their hands over their hearts.
Date: February 15, 2020
Creator: Texas Society Sons of the American Revolution, Arlington Chapter 7
Object Type: Video
System: The UNT Digital Library
Bifunctional activation of methane by bioinspired transition metal complexes. A simple methane protease model (open access)

Bifunctional activation of methane by bioinspired transition metal complexes. A simple methane protease model

Article modeling Metal-based bifunctional methane activators using density functional theory. The research yields insight into possible avenues for bio-inspired methane activators.
Date: February 15, 2021
Creator: Anderson, Mary E.; Marks, Michael B. & Cundari, Thomas R., 1964-
Object Type: Article
System: The UNT Digital Library
Elicitation of noun forms transcript

Elicitation of noun forms

Recording of an elicitation of noun forms based on number and gender to demonstrate the Mankiyali lexical stress patterns in various word forms. In this elicitation, the native speaker, Aurangzeb (a 34-year old male teacher), provides the English word as a prompt and another native speaker, Muhammad Suleman (a 36-year old male teacher) provides the Mankiyali equivalent of that word.
Date: February 15, 2021
Creator: Aurangzeb
Object Type: Sound
System: The UNT Digital Library
Kinetic fall-off behavior for the Cl + Furan-2,5-dione (C4H2O3, maleic anhydride) reaction (open access)

Kinetic fall-off behavior for the Cl + Furan-2,5-dione (C4H2O3, maleic anhydride) reaction

Article discusses how rate coefficients, k, for the gas-phase Cl + Furan-2,5-dione (C4H2O3, maleic anhydride) reaction were measured over the 15–500 torr (He and N2 bath gas) pressure range at temperatures between 283 and 323 K. An atmospheric degradation mechanism for C4H2O3 is proposed based on the observed product yields and theoretical calculations of ring-opening pathways and activation barrier energies at the CBS-QB3 level of theory. This is the accepted manuscript version of the published article.
Date: February 15, 2021
Creator: Chattopadhyay, Aparajeo; Gierczak, Tomasz; Marshall, Paul; Papadimitriou, Vassileios C. & Burkholder, James B. (James Bart), 1954-
Object Type: Article
System: The UNT Digital Library

[Snowstorm aftermath in Austin, Texas neighborhood]

Photograph of a large patch of snow in the foreground, a house on the right side of the image covered partially by a tree in the foreground, and trees and parked cars in the background covered by a layer of snow.
Date: February 15, 2021
Creator: Skogen, Stefanie
Object Type: Photograph
System: The UNT Digital Library
Examining Youth Conceptualizations of Water Safety Behaviors among Participants in a Learn-to-Swim Program (open access)

Examining Youth Conceptualizations of Water Safety Behaviors among Participants in a Learn-to-Swim Program

Article presents a qualitative-based study evaluating how youth apply learned water safety concepts when posed with a hypothetical aquatic scenario.
Date: February 15, 2022
Creator: Anderson, Austin; Anderson, Kristina R.; Ramos, William D. & Beale-Tawfeeq, Angela K.
Object Type: Article
System: The UNT Digital Library
The Prospector (El Paso, Tex.), Vol. 107, No. 11, Ed. 1 Tuesday, February 15, 2022 (open access)

The Prospector (El Paso, Tex.), Vol. 107, No. 11, Ed. 1 Tuesday, February 15, 2022

Biweekly student newspaper from the University of Texas at El Paso that includes campus news and information along with advertising.
Date: February 15, 2022
Creator: University of Texas at El Paso
Object Type: Newspaper
System: The Portal to Texas History

Oral Histories in The Portal to Texas History

This presentation focused on the background and workflows of adding oral histories to The Portal to Texas History. It was presented as part of the Oral History Forum Webinar Series.
Date: February 15, 2023
Creator: Phillips, Mark Edward
Object Type: Presentation
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library

Performance at the Naga Seed Sowing festival

Group performance of specially choreographed music and dance mixing different forms of folk dance and songs of ritual occasions and presented in the State Level Lui-Ngai-Ni (Naga Seed Sowing festival) held in Kapaam village in Chandel District, Manipur.
Date: February 15, 2023
Creator: Khaling, Mosyel Syelsaangthyel
Object Type: Video
System: The UNT Digital Library