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This report summarizes the Environmental Protection Agency's (EPA's) June 2012 proposed changes to the particulate matter (PM) National Ambient Air Quality Standard (NAAQS) and includes comparisons with previous (1997) and current (2006) promulgated and proposed standards. Key actions leading up to the June 2012 proposal, and potential issues and concerns associated with the proposal to strengthen the PM2.5 annual standard, are also highlighted.

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.

Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.

Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.

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Photograph of BSU members filling out forms, held by UNT Special Collections. The image shows African American women sitting behind a blue table with sheets of white paper laid out in front of them. In front of the table a few people can be seen filling out the forms. The Black Student Union or BSU, (Previously the Coalition of Black Organizations, CoBO) is the presiding organization representing marginalized students of African descent at the University of North Texas. Their mission is to educate, uplift, support and empower students with a variety of programming, professional and leadership development seminars, workshops, and social justice training. BSU is committed to creating an intentional, empowered and engaged community that centers the intersectional black student experience at UNT.

Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.

Newspaper clipping discussing biographical information about twins Juanita and Carolyn, who grew up in Boerne and who are featured as part of a portrait photography show.

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Weekly newspaper from Coleman, Texas that includes local, state, and national news along with advertising.

Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.

Weekly newspaper from Cuero, Texas that includes local, state and national news along with advertising.

Report that discusses FY2013 budget cuts for the Department of Defense (DOD), including the pros and cons.

Silicon photovoltaic (PV) cells are alternative energy sources that are important in sustainable power generation. Currently, applications of PV cells are limited by the low output voltage and somewhat low efficiency of such devices. In light of this fact, this project investigates the possibility of fabricating high-voltage PV cells on float-zone silicon wafers having output voltages ranging from 50 V to 2000 V. Three designs with different geometries of diffusion layers were simulated and compared in terms of metal coverage, recombination, built-in potential, and conduction current density. One design was then chosen and optimized to be implemented in the final device design. The results of the simulation serve as a feasibility test for the design concept and provide supportive evidence of the effectiveness of silicon PV cells as high-voltage power supplies.

Report that contains information on how to ascertain if an individual is eligible for Disaster Unemployment Assistance (DUA) benefits.

The high operating temperature of solid oxide fuel cells (SOFCs) provides good fuel flexibility which expands potential applications, but also creates materials challenges. One such challenge is the interconnect material, which was the focus of this project. In particular, the objective of the project was to understand the interaction between the interconnect alloy and ceramic coatings which are needed to minimize chromium volatilization and the associated chromium poisoning of the SOFC cathode. This project focused on coatings based on manganese cobalt oxide spinel phases (Mn,Co)3O4, which have been shown to be effective as coatings for ferritic stainless steel alloys. Analysis of diffusion couples was used to develop a model to describe the interaction between (Mn,Co)3O4 and Cr2O3 in which a two-layer reaction zone is formed. Both layers form the spinel structure, but the concentration gradients at the interface appear like a two-phase boundary suggesting that a miscibility gap is present in the spinel solid solution. A high-chromium spinel layer forms in contact with Cr2O3 and grows by diffusion of manganese and cobalt from the coating material to the Cr2O3. The effect of coating composition, including the addition of dopants, was evaluated and indicated that the reaction rate could be decreased …

Daily newspaper from Ennis, Texas that includes local, state and national news along with advertising.

Faculty concert performed at the UNT College of Music Voertman Hall.

Weekly newspaper from Navasota, Texas that includes local, state, and national news along with advertising.

Experimental studies of neutrino properties, with particular emphasis on neutrino oscillation, mass and mixing parameters. This research was pursued by means of underground detectors for reactor anti-neutrinos, measuring the flux and energy spectra of the neutrinos. More recent investigations have been aimed and developing detector technologies for a long-baseline neutrino experiment (LBNE) using a neutrino beam from Fermilab.

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.

Faculty recital presented at the UNT College of Music Voertman Hall.