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1,685 Matching Results
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Legal Authorities Under the Controlled Substances Act to Combat the Opioid Crisis
This report discusses legal authorities available to the federal government under the Controlled Substances Act (CSA) that could be used to combat the opioid epidemic. The report then examines DEA initiatives and actions taken, pursuant to its legal authorities under the CSA, which specifically target the abuse of opioids. It concludes by discussing selected opioid-related legislative proposals in the 115th Congress that would amend the CSA.
Date:
April 16, 2018
Creator:
Yeh, Brian T.
Object Type:
Report
System:
The UNT Digital Library
The SUPPORT for Patients and Communities Act (P.L. 115-271): Food and Drug Administration and Controlled Substance Provisions
This report summarizes the provisions in Title III--the FDA (Food and Drug Administration) and Controlled Substance Provisions, as well as Section 4004 "Modernizing the Reporting Requirements of Biological and Biosimilar Products" in Title IV--Offsets.
Date:
November 15, 2018
Creator:
Dabrowska, Agata; Green, Victoria R.; Sacco, Lisa N. & Yeh, Brian T.
Object Type:
Report
System:
The UNT Digital Library
Mandatory Minimum Sentencing of Federal Drug Offenses
This report is an overview of the Controlled Substances Act (or the Controlled Substances Import and Export Act) and federal minimum sentencing requirements for drug offenses.
Date:
January 11, 2018
Creator:
Doyle, Charles
Object Type:
Report
System:
The UNT Digital Library
Exploring Block Chain-Technology Behind Bitcoin and Implications for Transforming Transportation
Report examining various blockchain application in transportation, with a list of possible benefits.
Date:
January 2018
Creator:
Rajbhandari, Rajat
Object Type:
Report
System:
The Portal to Texas History
Processing of NiTi Shape Memory Alloys through Low Pressure and Low Temperature Hydrogen Charging
Many industries including the medical, aerospace, and automobile industries have increasingly adopted the use of shape memory alloys (SMAs) for a plethora of applications due to their unique thermomechanical properties. From the commercially available SMAs in the market, binary NiTi SMAs have shown the most desirable properties. However, SMA properties can be significantly affected by the fabrication process. One of the most familiar applications of NiTi SMAs is in the design of actuating devices where the shape memory effect properties are highly advantageous. Spring NiTi SMA actuators are among the most commonly used and are generally made by torsion loading a straight wire. Consequently, stress concentrations are formed causing a reduction in recovery force. Other methods for producing springs and other NiTi SMA components is the fast emerging manufacturing method of additive manufacturing (AM). AM often uses metal powders to produce the near-net shape components. A major challenge for SMAs, in particular, is their well-known composition sensitivity. Therefore, it is critical to control composition in NiTi SMAs. In this thesis, a novel method for processing NiTi SMAs for pre-alloyed NiTi SMA powders and springs is presented. A low pressure and low temperature hydriding-pulverization-dehydriding method is used for preparing the pre-alloyed …
Date:
May 2018
Creator:
Briseno Murguia, Silvia
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Texas Collections Manual: Fifth Edition, Volume 3
Third volume of a manual compiled by professional lawyers in the state of Texas regarding the processes and forms needed for debt collection transactions. It includes forms with filler text and extensive explanations about how the forms might be completed depending on various common scenarios.
Date:
2018
Creator:
State Bar of Texas
Object Type:
Report
System:
The Portal to Texas History
Mass Spectrometry-Based Identification of Ceramic-Bound Archaeological Protein Residues: Method Validation, Residue Taphonomy, and Prospects
Despite the variety of successful reports of the preservation, recovery, and identification of archaeological proteins in general, there are few positive reports regarding mass spectrometry-based identification of ceramic-bound proteins. In large part, this shortage is due to the lack of consideration for the unique taphonomic histories of such residues and, in general, methods development. Further, because negative results are rarely published, there is no baseline to which results can be compared. This paper attempts to address these challenges via a multi-pronged approach that uses mass spectrometry and complementary approaches to evaluate ceramic-bound protein preservation in both controlled, actualistic experiments, and in archaeological artifacts. By comparing the results obtained from protein-spiked, experimentally-aged ceramic to those obtained from both faunal and ceramic archaeological materials, an enhanced perspective on protein preservation and subsequent recovery and identification is revealed. This perspective, focusing on taphonomy, reveals why negative results may be the norm for ceramic artifacts when non-targeted methods are employed, and provides insight into how further method development may improve the likelihood of obtaining positive results.
Date:
December 2018
Creator:
Barker, Andrew Lewis
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Transitive and Intransitive Verbs in Ki Idioms
The purpose of this thesis is to examine idiomatic structures with ki in the ki-wo [transitive verb] and ki-ga [intransitive verb] constructions. It is argued that for Japanese language learners, it is crucial to be able to understand and produce ki idioms, because they are frequently used in everyday speech. There are often misconceptions regarding ki in the West for those who are fans of Japanese culture due to the influence of martial arts and anime, which paint ki as a spiritual energy that can be controlled and developed. However, upon examining the above mentioned idiomatic structures with ki, it is clear that ki can be expressed as both controllable by the subject of ki (transitive), as well as a thing that acts of its own accord and is spontaneous (intransitive). This thesis somewhat corroborates the studies of W. M. Jacobson, Zoe Pei Sui Luk , and Yoshihiko Ikegami by arguing that intransitive constructions are often used in Japanese, and examining both transitive and intransitive expressions with ki is significant to understanding the meanings produced in ki expressions. It is hoped that analyzing 37 transitive and intransitive idiomatic structures with ki will help Japanese language learners not only understand the …
Date:
May 2018
Creator:
Hoye, Nathaniel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Inspiration behind Compositions for Clarinetist Frederick Thurston
Frederick Thurston was a prominent British clarinet performer and teacher in the first half of the 20th century. Due to the brevity of his life and the impact of two world wars, Thurston's legacy is often overlooked among clarinetists in the United States. Thurston's playing inspired 19 composers to write 22 solo and chamber works for him, none of which he personally commissioned. The purpose of this document is to provide a comprehensive biography of Thurston's career as clarinet performer and teacher with a complete bibliography of compositions written for him. With biographical knowledge and access to the few extant recordings of Thurston's playing, clarinetists may gain a fuller understanding of Thurston's ideal clarinet sound and musical ideas. These resources are necessary in order to recognize the qualities about his playing that inspired composers to write for him and to perform these works with the composers' inspiration in mind. Despite the vast list of works written for and dedicated to Thurston, clarinet players in the United States are not familiar with many of these works, and available resources do not include a complete listing. Much of this repertoire remains unexplored and unrecorded yet is suitable for intermediate to advanced level …
Date:
August 2018
Creator:
Razey, Aileen
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of Contingency Type on Accuracy and Reaction Time
Positive and negative reinforcement contingencies have been compared in terms of preference, but the differential effects of positive and negative reinforcement on reaction time and accuracy with other variables controlled remain unclear. Fifteen undergraduate students participated in a sound discrimination task that involved random mixed-trial presentations of positive and negative reinforcement contingencies. The participants' goal was to correctly identify whether the tone was shorter or longer than 600 milliseconds. On positive reinforcement trials, the participants received feedback and money tallies only if they identified the sound length correctly, with each correct response in the positive reinforcement trials earning the participant 10 cents. On negative reinforcement trials, the participants received feedback and money tallies only if they identified the sound length incorrectly, with incorrect trials subtracting 10 cents from the participants' total money (which began at $4.00 to equalize the weights of the positive and negative reinforcement contingencies). Accuracy analyses showed a relatively curvilinear relationship between the number of errors for each participant and the binned duration of the sound stimulus, with no differences across the positive and negative reinforcement conditions. Results also indicated weak linear negative correlations at the single subject level between comparison stimulus duration and reaction time, with …
Date:
August 2018
Creator:
Adams, Owen James
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
What is a Data Librarian?: A Content Analysis of Job Advertisements for Data Librarians in the United States Academic Libraries
This paper attempts to understand what is required to be a data librarian by applying a content analysis approach to job advertisements by hiring professionals in academic libraries in the United States.
Date:
July 31, 2018
Creator:
Khan, Hammad & Du, Yunfei
Object Type:
Paper
System:
The UNT Digital Library
Evaluation of Threshold Selection Methods for Adaptive Kernel Density Estimation in Disease Mapping
This article assesses the relative performance of threshold selection methods in terms of resolution and reliability for disease mapping.
Date:
May 8, 2018
Creator:
Ruckthongsook, Warangkana; Tiwari, Chetan; Oppong, Joseph R. & Natesan, Prathiba
Object Type:
Article
System:
The UNT Digital Library
Texas Business Organizations Manual [2018 Revision]
Manual compiled by professional lawyers in the state of Texas regarding the processes and forms needed for the formation and operation of Texas corporations and limited liability companies. It includes forms with filler text and extensive explanations about how the forms might be completed depending on various common scenarios.
Date:
2018
Creator:
State Bar of Texas. Business Law Section.
Object Type:
Book
System:
The Portal to Texas History
The Roles of Coaches, Peers, and Parents in High School Athletes' Motivational Processes: A Mixed-Methods Study
Grounded in self-determination theory and achievement goal theory, the purpose of this mixed-methods study was to examine the underlying motivational processes from social environments created by coaches, peers, and parents to motivational outcomes in high school athletes, with an emphasis on the relative influence of social agents in basic psychological needs (i.e., autonomy, competence, and relatedness). The quantitative part of this study tested a hierarchical model of high school sport motivation in a final sample of 311 student athletes (204 boys, 107 girls) using structural equation modeling: social factors (coach-, peer-, and parent-created motivational climates) -> psychological mediators (need satisfaction and frustration) -> types of motivation (autonomous motivation, controlled motivation, and amotivation) -> consequences (subjective vitality, athlete burnout, and intention to drop out). Invariance across gender and across team type (varsity vs. non-varsity) was also tested. Adequate model fits were achieved in separate "brighter side" and "darker side" models across the overall sample, gender, and team type. The follow-up qualitative part of this study explored "how" beyond "what" coaches, peers, and parents contribute to the social environments, need frustration, and negative motivational outcomes in sport in a subsample of 37 student athletes (24 boys, 13 girls) who reported high amotivation/burnout …
Date:
August 2018
Creator:
Chu, Tsz Lun
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Long-Term Citizen Science Water Monitoring Data: An Exploration of Accuracy over Space and Time
The Texas Stream Team (TST) is one of an increasing number of citizen science water monitoring programs throughout the US which have been continuously collecting surface water quality data under quality assurance protocols for decades. Volunteer monitoring efforts have generated monitoring datasets that are long-term, continuous, and cover a large geographic area - characteristics shown to be valuable for scientists and professional agencies. However, citizen science data has been of limited use to researchers due to concerns about the accuracy of data collected by volunteers, and the decades of water quality monitoring data collected by TST volunteers is not widely used, if at all. A growing body of studies have attempted to address accuracy concerns by comparing volunteer data to professional data, but this has rarely been done with large-scale, existing datasets like those collected by TST. This study assesses the accuracy of the volunteer water quality data collected across the state of Texas by the TST citizen science program between 1992-2017 by comparing it to professional data from corresponding stations during the same time period, as well as comparing existing and experimental data from a local TST partner agency. The results indicate that even large-scale, existing volunteer and professional …
Date:
December 2018
Creator:
Albus, Kelly
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The 2019 materials by design roadmap
This roadmap article presents an overview of the current state of computational materials prediction, synthesis and characterization approaches, materials design needs for various technologies, and future challenges and opportunities that must be addressed.
Date:
October 24, 2018
Creator:
Alberi, Kirstin; Buongiorno Nardelli, Marco; Zakutayev, Andriy; Mitas, Lubos; Curtarolo, Stefano; Jain, Anubhav et al.
Object Type:
Article
System:
The UNT Digital Library
Hemp as an Agricultural Commodity
This report discusses the various industrial uses for hemp, a variety of Cannabis sativa of the same plant species as marijuana. It compares hemp with marijuana and discusses global production, legal status, and recent legislative activity.
Date:
June 22, 2018
Creator:
Johnson, Renée
Object Type:
Report
System:
The UNT Digital Library
The U.S. Export Control System and the Export Control Reform Initiative
This report discusses the U.S. export control system for defense related exports and examines the current split administration of the various parts of the system and proposals to unify and streamline the system.
Date:
August 9, 2018
Creator:
Fergusson, Ian F. & Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
The U.S. Export Control System and the Export Control Reform Initiative
This report discusses the U.S. export control system for defense related exports and examines the current split administration of the various parts of the system and proposals to unify and streamline the system.
Date:
March 15, 2018
Creator:
Fergusson, Ian F. & Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
The U.S. Export Control System and the Export Control Reform Initiative
This report discusses the U.S. export control system for defense-related exports. It examines the current split administration of the various parts of the system and outlines the proposals to unify and streamline the system.
Date:
October 30, 2018
Creator:
Fergusson, Ian F. & Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
The U.S. Export Control System and the Export Control Reform Initiative
This report discusses the U.S. export control system and the initiative started by President Obama to study and make recommendations for reform of the export control system by streamlining processes and consolidating control of the program in one agency.
Date:
January 8, 2018
Creator:
Fergusson, Ian F. & Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
Texas Register, Volume 43, Number 12, Pages 1765-1914, March 23, 2018
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
March 23, 2018
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Improving Software Quality through Syntax and Semantics Verification of Requirements Models
Software defects can frequently be traced to poorly-specified requirements. Many software teams manage their requirements using tools such as checklists and databases, which lack a formal semantic mapping to system behavior. Such a mapping can be especially helpful for safety-critical systems. Another limitation of many requirements analysis methods is that much of the analysis must still be done manually. We propose techniques that automate portions of the requirements analysis process, as well as clarify the syntax and semantics of requirements models using a variety of methods, including machine learning tools and our own tool, VeriCCM. The machine learning tools used help us identify potential model elements and verify their correctness. VeriCCM, a formalized extension of the causal component model (CCM), uses formal methods to ensure that requirements are well-formed, as well as providing the beginnings of a full formal semantics. We also explore the use of statecharts to identify potential abnormal behaviors from a given set of requirements. At each stage, we perform empirical studies to evaluate the effectiveness of our proposed approaches.
Date:
December 2018
Creator:
Gaither, Danielle
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
North Korea: Legislative Basis for U.S. Economic Sanctions
This report discusses the economic sanctions the United States imposes on North Korea for activities related to weapons proliferation, destabilizing the region, anti-terrorism, and undemocratic governance.
Date:
June 11, 2018
Creator:
Rennack, Dianne E.
Object Type:
Report
System:
The UNT Digital Library