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433 Matching Results
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Multifeature analyses of vascular cambial cells reveal longevity mechanisms in old Ginkgo biloba trees
This article investigates age-related changes in Ginkgo biloba trees to learn more about the molecular and metabolic mechanisms underlying their longevity. The results revealed that long-lived trees have evolved compensatory mechanisms to maintain a balance between growth and aging processes.
Date:
January 13, 2020
Creator:
Wang, Li; Cui, Jiawen; Jin, Biao; Zhao, Jiangou; Xu, Huimin; Lu, Zhaogeng et al.
Object Type:
Article
System:
The UNT Digital Library
Key Challenges and Some Guidance on Using Strong Quantitative Methodology in Education Research
Article reviews several common areas of focus in quantitative methods with the hope of providing guidance on conducting and reporting quantitative analyses. The review addresses causal inferences, measurement issues, handling missing data, testing for assumptions, dealing with nested data, and providing evidence for outcomes.
Date:
November 13, 2020
Creator:
Henson, Robin K.; Stewart, Genéa & Bedford, Lee A.
Object Type:
Article
System:
The UNT Digital Library
Bayesian Time-Series Models in Single Case Experimental Designs: A Tutorial for Trauma Researchers
Article discusses the utility of SCED data for trauma research, provides recommendations for addressing challenges specific to SCED approaches, and introduces a tutorial for two Bayesian models—the Bayesian interrupted time-series (BITS) model and the Bayesian unknown change-point (BUCP) model—that can be used to analyze the typically small sample, autocorrelated, SCED data.
Date:
November 17, 2020
Creator:
Contractor, Ateka A.; Caldas, Stephanie & Batley, Prathiba Natesan
Object Type:
Article
System:
The UNT Digital Library
Fabrication of densified wood via synergy of chemical pretreatment, hot-pressing and post mechanical fixation
Article describes examination of the appearance, color, chemical composition, and physiology and mechanical properties of densified Abies wood before and after densification treatment using a colorimeter, FTIR and mechanical testing machine.
Date:
January 30, 2020
Creator:
Shi, Jiangtao; Peng, Junyi; Huang, Qiongtao; Cai, Liping & Shi, Sheldon
Object Type:
Article
System:
The UNT Digital Library
Excrescent vowels in Lamkang prefix sequences
Article examines the nature of the super-short vowel-like segments between the C- prefixes of the Lamkang language by combining acoustic analysis with speakers' intuitions about syllable structure. The authors argue that an accurate phonetic description of Lamkang vowels must include these super-short vowels, as well as long and short vowels, which are phonemically distinct.
Date:
January 14, 2020
Creator:
Burke, Mary; Chelliah, Shobhana Lakshmi & Robinson, Melissa
Object Type:
Article
System:
The UNT Digital Library
The Effect of Transformational Leadership on Network Performance: A Study of Continuum of Care Homeless Networks
This article examines the relationship between transformational leadership and network performance in Continuum of Care homeless service networks.
Date:
December 1, 2020
Creator:
Jang, Hee Soun & Valero, Jesus N.
Object Type:
Article
System:
The UNT Digital Library
Anisotropic Optical Properties of 2D Silicon Telluride
Article reports an ab initio computational study of the optical dielectric properties of Silicon telluride (Si2Te3) using the GW approximation and the Bethe-Salpeter equation (BSE).
Date:
September 27, 2020
Creator:
Cui, Jingbiao; Bhattarai, Romakanta; Chen, Jiyang; Hoang, Thang B. & Shen, Xiao
Object Type:
Article
System:
The UNT Digital Library
Rapid thermokinetics driven nanoscale vanadium clustering within martensite laths in laser powder bed fused additively manufactured Ti6Al4V
Article reports the computational approach adopted for thermo-diffusion kinetics to rationalize homogenously distributed nanoscale vanadium-rich clusters formed within the martensite laths of Ti6Al4V alloy printed using laser powder bed fusion at an energy density of 52.08J/mm³.
Date:
June 1, 2020
Creator:
Pantawane, Mangesh V.; Dasari, Sriswaroop; Mantri, Srinivas Aditya; Banerjee, Rajarshi & Dahotre, Narendra B.
Object Type:
Article
System:
The UNT Digital Library
Engineering transformation pathways in an Al0.3CoFeNi complex concentrated alloy leads to excellent strength–ductility combination
Article reports a novel multi-phase microstructure in a HEA/CCA similar to the microstructure observed in dual-phase stainless steel.
Date:
July 2, 2020
Creator:
Dasari, S.; Jagetia, Abhinav; Soni, V.; Gwalani, Bharat; Banerjee, Rajarshi & Gorsse, Stéphane
Object Type:
Article
System:
The UNT Digital Library
Liquid Chromatography Tandem Mass Spectrometry Quantification of ¹³C-Labeling in Sugars
This article describes a new methodology for monitoring sucrose labeling using liquid chromatography tandem mass spectrometry (LC-MS/MS). To date, the most commonly used method to monitor sucrose labeling is by nuclear magnetic resonance, which requires substantial amounts of biological sample.
Date:
January 10, 2020
Creator:
Cocuron, Jean-Christophe; Ross, Zacchary & Alonso, Ana P.
Object Type:
Article
System:
The UNT Digital Library
Laser surface engineering of B4C/Fe nano composite coating on low carbon steel: Experimental coupled with computational approach
Article describes a study where laser surface engineering was successfully used to engineer a nano carbide composite coating on a low carbon steel substrate.
Date:
February 19, 2020
Creator:
Salloom, Riyadh; Joshi, Sameehan; Dahotre, Narendra B. & Srinivasan, S. G.
Object Type:
Article
System:
The UNT Digital Library
Microstructurally flexible high entropy alloys: Linkages between alloy design and deformation behavior
Article presents research where metastability based alloy design led to flexible microstructural evolution in which either thermodynamically stable γ-phase or unstable ε-phase was obtained at room temperature.
Date:
July 19, 2020
Creator:
Nene, Saurabh S.; Frank, M.; Agrawal, P.; Sinha, Subhasis; Liu, Kaimiao; Shukla, Shivakant et al.
Object Type:
Article
System:
The UNT Digital Library
Characterization of Soft Tooling Photopolymers and Processes for Micromixing Devices with Variable Cross-Section
Article characterizing an assortment of photopolymers and stereolithography processes to produce 3D-printed molds and polydimethylsiloxane (PDMS) castings of micromixing devices. The study shows that 3D-printed soft tooling can provide other benefits such as multiple cross-sections and other potential layouts on a single mold.
Date:
September 29, 2020
Creator:
Martínez-López, J. Israel; Cervantes, Héctor Andrés Betancourt; Iturbe, Luis Donaldo Cuevas; Vázquez, Elisa; Naula, Edisson A.; Martínez López, Alejandro et al.
Object Type:
Article
System:
The UNT Digital Library
A practical guide for assessing respiratory burst and phagocytic cell activity in the fathead minnow, an emerging model for immunotoxicity
Article is a study with the goal of optimizing and validating the use of a colorimetric plate-based respiratory burst and fluorometric plate-based phagocytic cell activity assays for use with kidney cells from the fathead minnow (Pimephales promelas), an emerging immunotoxicity model.
Date:
July 18, 2020
Creator:
Thornton Hampton, Leah M.; Venables, Barney J. & Jeffries, Marlo K. Sellin
Object Type:
Article
System:
The UNT Digital Library
Print or iPad? Young Children’s Text Type Shared Reading Preference and Behaviors in Comparison to Parent Predictions and At-home Practices
Article examining young children’s reading preference by text type. Discourse and observation analyses show children engage differently between text types. Findings have implications for parents, teachers, and teacher educators support today’s young children as readers.
Date:
June 29, 2020
Creator:
Eutsler, Lauren & Trotter, Julia
Object Type:
Article
System:
The UNT Digital Library
Extended CT Void Analysis in FDM Additive Manufacturing Components
This article provides an extended analysis of void shape by means of X-ray computed tomography (CT) applied to fused deposition modeling (FDM) samples. Furthermore, a relation between the tensile mechanical properties and digital void measurements is established. The results lead to the formulation of a novel criterion that predicts the mechanical behavior of AM components.
Date:
July 26, 2020
Creator:
Hernandez-Contreras, Adriana; Ruiz-Huerta, Leopoldo; Caballero-Ruiz, Alberto; Moock, Verena & Siller Carrillo, Héctor Rafael
Object Type:
Article
System:
The UNT Digital Library
Spatial Decomposition of a Broadband Pulse Caused by Strong Frequency Dispersion of Sound in Acoustic Metamaterial Superlattice
This article uses an acoustic metamaterial superlattice for the spatial and spectral deconvolution of a broadband acoustic pulse into narrowband signals with different central frequencies.
Date:
December 30, 2020
Creator:
Jin, Yuqi; Zubov, Yurii; Yang, Teng; Choi, Tae-Youl; Krokhin, Arkadii A. & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Effects of UV Stabilizers on Polypropylene Outdoors
This article looks at hindered amine light stabilizers (HALSs) and nano ZnO were used to stabilize polypropylene (PP) film-based formulations that were exposed to ultraviolet (UV) light for different lengths of time, simulating the harsh outdoor weather of Dallas, Texas, USA. UV doses applied in our laboratory are 121 times larger than the UV dose provided by the sunlight in Texas. 15 different compositions were studied. The combination of HALSs and nano-ZnO stabilizers makes the PP films harder—which is important for some PP applications, such as toy manufacturing.
Date:
April 1, 2020
Creator:
Brostow, Witold, 1934-; Lu, Xinyao; Gencel, Osman & Osmanson, Allison T.
Object Type:
Article
System:
The UNT Digital Library
High-Temperature Nano-Indentation Creep Behavior of Multi-Principal Element Alloys under Static and Dynamic Loads
Paper describes the results of studies testing the creep resistance of two multi-principal element alloys, CoCrNi and CoCrFeMnNi.
Date:
February 13, 2020
Creator:
Sadeghilaridjani, Maryam & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Opportunities and Issues in the Application of Titanium Alloys for Aerospace Components
This article describes recent developments, issues, and opportunities associated with the production and use of Ti and its alloys in aerospace components. Included are new Ti alloys, new applications of Ti alloys, and the current status of several manufacturing processes including a discussion of the promise and current reality of additive manufacturing as a potentially revolutionary method of producing Ti alloy components.
Date:
May 7, 2020
Creator:
Williams, James C. & Boyer, Rodney R.
Object Type:
Article
System:
The UNT Digital Library
Complex Concentrated Alloys (CCAs)—Current Understanding and Future Opportunities
Article providing an overview of the special issue titled Complex Concentrated Alloys (CCAs) - Current Understanding and Future Opportunities. The published papers in this special issue aim to report on the current state of research in complex concentrated alloys (CCAs) as well as compelling future opportunities in wide ranging applications.
Date:
September 11, 2020
Creator:
Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
On-chip multiplexed single-cell patterning and controllable intracellular delivery
Article presents a simple 3D electroporation platform that enables massively parallel single-cell manipulation and the intracellular delivery of macromolecules and small molecules.
Date:
February 24, 2020
Creator:
Dong, Zaizai; Jiao, Yanli; Xie, Bingteng; Hao, Yongcun; Wang, Pan; Liu, Yuanyuan et al.
Object Type:
Article
System:
The UNT Digital Library
Review of Gamification mindset
This article is a review of the book "Gamification Mindset" by Ole Goethe.
Date:
October 15, 2020
Creator:
Ham, Chris D.
Object Type:
Article
System:
The UNT Digital Library
Structure and inference in Japanese right dislocation
Article exploring the syntactic nature of Japanese Right Dislocation Constructions (RDCs) by illuminating the ellipsis sites in the postverbal domains of the constructions via pragmatic inference. Although the most prevailing bi-clausal analysis of RDCs adopts the perspective that the repetition of the antecedent clause occurs in collocation, this paper shows that the same surface strings are potentially ambiguous since right dislocation is a heterogeneous phenomenon. It proposes additional types of a bi-clausal structure and discusses evidence that suggests that even when the surface strings are the same the recovery of the ellipsis site is possibly derived in multiple ways through the use of distinct linguistic strategies.
Date:
May 17, 2018
Creator:
Furuya, Kaori
Object Type:
Article
System:
The UNT Digital Library