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U.S. Patent 8,410,952, Method for Forewarning of Critical Condition Changes in Monitoring Civil Structures
Sensor modules including accelerometers are placed on a physical structure and tri-axial accelerometer data is converted to mechanical power (P) data which then processed to provide a forewarning of a critical event concerning the physical structure. The forewarning is based on a number of occurrences of a composite measure of dissimilarity (Ci) exceeding a forewarning threshold over a defined sampling time; and a forewarning signal is provided to a human observer through a visual, audible or tangible s1gnal. A forewarning of a structural failure can also be provided based on a number of occurrences of (Ci) above a failure value threshold.
Date:
January 1, 2013
Creator:
Abercrombie, Robert K & Hively, Lee M
System:
The UNT Digital Library
U.S. Patent 8,389,878, Weigh-in-Motion Scale with Foot Alignment Features
A pad is disclosed for use in a weighing system for weighing a load. The pad includes a weighing platform, load cells, and foot members. Improvements to the pad reduce or substantially eliminate rotation of one or more of the corner foot members. A flexible foot strap disposed between the corner foot members reduces rotation of the respective foot members about vertical axes through the corner foot members and couples the corner foot members such that rotation of one corner foot member results in substantially the same amount of rotation of the other comer foot member. In a strapless variant one or more fasteners prevents substantially all rotation of a foot member. In a diagonal variant, a foot strap extends between a corner foot member and the weighing platform to reduce rotation of the foot member about a vertical axis through the comer foot member.
Date:
January 1, 2013
Creator:
Abercrombie, Robert K; Richardson, Gregory & Scudiere, Matthew B
System:
The UNT Digital Library
U.S. Patent 8,304,670, Portable Weighing System with Alignment Features
A system for weighing a load is disclosed. The weighing system includes a pad having at least one transducer for weighing a load disposed on the pad. In some embodiments the pad has a plurality of foot members and the weighing system may include a plate that disposed underneath the pad for receiving the plurality of foot members and for aligning the foot members when the weighing system is installed. The weighing system may include a spacer disposed adjacent the pad and in some embodiments, a spacer anchor operatively secures the spacer to a support surface, such as a plate, a railway bed, or a roadway. In some embodiments the spacer anchor operatively secures both the spacer and the pad to a roadway.
Date:
January 1, 2012
Creator:
Abercrombie, Robert K; Richardson, Gregory; Scudiere, Matthew B & Sheldon, Frederick T
System:
The UNT Digital Library
Wills Road Map: Practical Considerations in Will Drafting
From introduction: "The purpose of Wills Road Map is to pull together legal concepts from various areas that impact the preparation of wills, including wills, probate, and trust law. While it features a very basic discussion of estate tax planning, the primary focus is on the various state law issues [...] to provide practical help, so the emphasis is on addressing principles that can affect the will beyond the language used in the will itself" (p. xiii).
Date:
2014
Creator:
Akers, Steve R.; Jones, Bernard E. & Watts, R. J., II
System:
The Portal to Texas History
Amarillo College Requests for Legislative Appropriations: 2018 and 2019
Report submitted by Amarillo College to the Texas 85th regular legislature requesting appropriations to fund programming and activities. It includes an overview of the institution's goals, summaries of appropriations requests for fiscal years 2018 and 2019, and supporting documentation.
Date:
August 5, 2016
Creator:
Amarillo College
System:
The Portal to Texas History
Economics of Irrigation Systems
This document provides information on irrigation systems for the AgriLife extension Texas A & M System.
Date:
October 2011
Creator:
Amosson, Stephen Harold
System:
The Portal to Texas History
Angelo State University Requests for Legislative Appropriations: 2018 and 2019
Report submitted by Angelo State University to the Texas 85th regular legislature requesting appropriations to fund programming and activities. It includes an overview of the institution's goals, summaries of appropriations requests for fiscal years 2018 and 2019, and supporting documentation.
Date:
August 5, 2016
Creator:
Angelo State University
System:
The Portal to Texas History
Catalog of Angelo State University, 2010-2011, Graduate
Catalog of graduate courses offered by Angelo State University for the year 2010-2011, as well as general information about the university, programs, and policies.
Date:
~2010
Creator:
Angelo State University
System:
The Portal to Texas History
Drivers of Vegetation Change on Texas Rangelands
This document provides information on vegetation changes on the Texas Rangelands.
Date:
February 2012
Creator:
Ansley, Jim & Hart, Charles R.
System:
The Portal to Texas History
TRITIUM UNCERTAINTY ANALYSIS FOR SURFACE WATER SAMPLES AT THE SAVANNAH RIVER SITE
Radiochemical analyses of surface water samples, in the framework of Environmental Monitoring, have associated uncertainties for the radioisotopic results reported. These uncertainty analyses pertain to the tritium results from surface water samples collected at five locations on the Savannah River near the U.S. Department of Energy's Savannah River Site (SRS). Uncertainties can result from the field-sampling routine, can be incurred during transport due to the physical properties of the sample, from equipment limitations, and from the measurement instrumentation used. The uncertainty reported by the SRS in their Annual Site Environmental Report currently considers only the counting uncertainty in the measurements, which is the standard reporting protocol for radioanalytical chemistry results. The focus of this work is to provide an overview of all uncertainty components associated with SRS tritium measurements, estimate the total uncertainty according to ISO 17025, and to propose additional experiments to verify some of the estimated uncertainties. The main uncertainty components discovered and investigated in this paper are tritium absorption or desorption in the sample container, HTO/H{sub 2}O isotopic effect during distillation, pipette volume, and tritium standard uncertainty. The goal is to quantify these uncertainties and to establish a combined uncertainty in order to increase the scientific depth …
Date:
July 31, 2012
Creator:
Atkinson, R.
System:
The UNT Digital Library
Austin Community College District Requests for Legislative Appropriations: Fiscal Years 2014 and 2015
Report submitted by the Austin Community College District containing summaries of requests for appropriations and expenditures for the fiscal years 2014 and 2015 with supporting documentation.
Date:
August 20, 2012
Creator:
Austin Community College (Austin, Tex.)
System:
The Portal to Texas History
Going Extreme For Small Solutions To Big Environmental Challenges
This chapter is devoted to the scale, scope, and specific issues confronting the cleanup and long-term disposal of the U.S. nuclear legacy generated during WWII and the Cold War Era. The research reported is aimed at complex microbiological interactions with legacy waste materials generated by past nuclear production activities in the United States. The intended purpose of this research is to identify cost effective solutions to the specific problems (stability) and environmental challenges (fate, transport, exposure) in managing and detoxifying persistent contaminant species. Specifically addressed are high level waste microbiology and bacteria inhabiting plutonium laden soils in the unsaturated subsurface.
Date:
March 31, 2011
Creator:
Bagwell, Christopher E.
System:
The UNT Digital Library
An Evaluation of a Structured Overlapping Grid Implementation of FCT for High-Speed Flows
None
Date:
August 24, 2011
Creator:
Banks, J. W. & Shadid, J. N.
System:
The UNT Digital Library
Biological, Social, and Economic Impacts of Exempting a Largemouth Bass Fishing Tournament from Slot Length Limits at Lake Fork Reservoir, Texas
This document provides data about the "biological, social, and economic impacts of exempting largemouth bass fishing tournaments at the Lake Fork Reservoir." (p. 1).
Date:
2012
Creator:
Barkoh, Aaron
System:
The Portal to Texas History
Best Management Practices for Quarry Operations: Complying with the Edwards Aquifer Rules
This document provides information on the best management practices for quarry operations for the Texas Commission on Environmental Quality.
Date:
January 2012
Creator:
Barrett, Michael E. & Eck, Bradley J.
System:
The Portal to Texas History
Wills Road Map: Practical Cnsiderations in Will Drafting
Manual outlining various laws that affect wills (including probate and trust planning) as well as "silent doctrines" that result from laws to inform the creation of a will. From back cover: "Mapped to direct both general practitioners and seasoned estate planning attorneys beyond the language of the will to a better understanding of the underlying principles. Stops along the way include doctrines affecting the will's validity and a review of the significance and effect of specific will provisions. New material includes client intake questionnaires and a will execution ceremony checklist."
Date:
2017
Creator:
Barthel, Casey A.; Akers, Steve R.; Jones, Bernard E. & Watts, R. J., II
System:
The Portal to Texas History
Use of Aluminum Sulfate to Reduce High pH Fingerling Striped Bass Production Ponds Fertilized with Nitrogen and Phosphorus to Control Prymnesium Parvum
This document provides data about controlling "Prymnesium parvum cell density and ichthyotoxicity." It also provides information about stabilizing pH levels in "striped bass Morone saxatilis culture ponds." (p. 2).
Date:
August 2012
Creator:
Begley, Drew C.
System:
The Portal to Texas History
Stochastic Cooling
Stochastic Cooling was invented by Simon van der Meer and was demonstrated at the CERN ISR and ICE (Initial Cooling Experiment). Operational systems were developed at Fermilab and CERN. A complete theory of cooling of unbunched beams was developed, and was applied at CERN and Fermilab. Several new and existing rings employ coasting beam cooling. Bunched beam cooling was demonstrated in ICE and has been observed in several rings designed for coasting beam cooling. High energy bunched beams have proven more difficult. Signal suppression was achieved in the Tevatron, though operational cooling was not pursued at Fermilab. Longitudinal cooling was achieved in the RHIC collider. More recently a vertical cooling system in RHIC cooled both transverse dimensions via betatron coupling.
Date:
January 1, 2011
Creator:
Blaskiewicz, M.
System:
The UNT Digital Library
Blinn College Requests for Legislative Appropriations: Fiscal Years 2014 and 2015
Report submitted by Blinn College containing background information on the commission, and summaries of requests for appropriations and expenditures for the fiscal years 2014 and 2015 with supporting documentation.
Date:
August 16, 2012
Creator:
Blinn College
System:
The Portal to Texas History
Catalog of Blinn College, 2012-2013
Catalog of courses offered by Blinn College campuses, as well as general information about the junior college, programs, and policies.
Date:
2012
Creator:
Blinn College
System:
The Portal to Texas History
Water Issues in Texas : A Survey of Public Perceptions and Attitudes about Water
"The Texas AgriLife Extension Service facilitated a random sample survey of Texas residents to evaluate their awareness of, attitudes about and willingness to act on water issues. The results of this survey will be useful to citizens, local governments, state agencies and policy makers in planning for the future" (p. 6).
Date:
September 2010
Creator:
Boellstorff, Diane E.; Boleman, Chris T. & McFarland, Mark Lee
System:
The Portal to Texas History
Financial Innovation Among the Community Wind Sector in the United States
In the relatively brief history of utility-scale wind generation, the 'community wind' sector - defined here as consisting of relatively small utility-scale wind power projects that are at least partly owned by one or more members of the local community - has played a vitally important role as a 'test bed' or 'proving ground' for wind turbine manufacturers. In the 1980s and 1990s, for example, Vestas and other now-established European wind turbine manufacturers relied heavily on community wind projects in Scandinavia and Germany to install - and essentially field-test - new turbine designs. The fact that orders from community wind projects seldom exceeded more than a few turbines at a time enabled the manufacturers to correct any design flaws or manufacturing defects fairly rapidly, and without the risk of extensive (and expensive) serial defects that can accompany larger orders. Community wind has been slower to take root in the United States - the first such projects were installed in the state of Minnesota around the year 2000. Just as in Europe, however, the community wind sector in the U.S. has similarly served as a proving ground - but in this case for up-and-coming wind turbine manufacturers that are trying to …
Date:
January 19, 2011
Creator:
Bolinger, Mark
System:
The UNT Digital Library
Conservation Laws for Coupled Hydro-mechanical Processes in Unsaturated Porous Media: Theory and Implementation
We develop conservation laws for coupled hydro-mechanical processes in unsaturated porous media using three-phase continuum mixture theory. From the first law of thermodynamics, we identify energy-conjugate variables for constitutive modeling at macroscopic scale. Energy conjugate expressions identified relate a certain measure of effective stress to the deformation of the solid matrix, the degree of saturation to the matrix suction, the pressure in each constituent phase to the corresponding intrinsic volume change of this phase, and the seepage forces to the corresponding pressure gradients. We then develop strong and weak forms of boundary-value problems relevant for 3D finite element modeling of coupled hydro-mechanical processes in unsaturated porous media. The paper highlights a 3D numerical example illustrating the advances in the solution of large-scale coupled finite element systems, as well as the challenges in developing more predictive tools satisfying the basic conservation laws and the observed constitutive responses for unsaturated porous materials.
Date:
February 19, 2010
Creator:
Borja, R. I. & White, J. A.
System:
The UNT Digital Library
Ion exchange phenomena
Ion exchange phenomena involve the population of readily exchangeable ions, the subset of adsorbed solutes that balance the intrinsic surface charge and can be readily replaced by major background electrolyte ions (Sposito, 2008). These phenomena have occupied a central place in soil chemistry research since Way (1850) first showed that potassium uptake by soils resulted in the release of an equal quantity of moles of charge of calcium and magnesium. Ion exchange phenomena are now routinely modeled in studies of soil formation (White et al., 2005), soil reclamation (Kopittke et al., 2006), soil fertilitization (Agbenin and Yakubu, 2006), colloidal dispersion/flocculation (Charlet and Tournassat, 2005), the mechanics of argillaceous media (Gajo and Loret, 2007), aquitard pore water chemistry (Tournassat et al., 2008), and groundwater (Timms and Hendry, 2007; McNab et al., 2009) and contaminant hydrology (Chatterjee et al., 2008; van Oploo et al., 2008; Serrano et al., 2009).
Date:
May 1, 2011
Creator:
Bourg, I.C. & Sposito, G.
System:
The UNT Digital Library