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Articles 371131 - 371160 of 5168774
Full-Text Articles in Entire DC Network
Danse Macabre, Jared Køhn
A Siren’S Call Home, Helana Alexander
A Siren’S Call Home, Helana Alexander
Student Literary Anthologies
No abstract provided.
Lessons In Sailing, Skye Oliver
November Fog, Bethany Cole
Woodland Cadence, Evan Meyers
Table Of Contents, Anthropocene Editors
Table Of Contents, Anthropocene Editors
Student Literary Anthologies
No abstract provided.
Letter From The Editors, Anthropocene Editors
Letter From The Editors, Anthropocene Editors
Student Literary Anthologies
No abstract provided.
Acknowledgements, Anthropocene Editors
Acknowledgements, Anthropocene Editors
Student Literary Anthologies
No abstract provided.
Cover, Anthropocene Editors
Survey Techniques Used To Monitor Closed Ccr Storage Facilities, Max Cange, Rachel Combs, Steve Shamblin, Jamey Dotson
Survey Techniques Used To Monitor Closed Ccr Storage Facilities, Max Cange, Rachel Combs, Steve Shamblin, Jamey Dotson
World of Coal Ash Proceedings
Survey Techniques Used to Monitor Closed CCR Storage Facilities Authors Mr. Max Cange - United States - Geosyntec Consultants, Inc. Mrs. Rachel Combs - United States - TVA Mr. Steve Shamblin - United States - TVA Mr. Jamey Dotson - United States - Geosyntec Consultants, Inc. Abstract Survey techniques can be used to supplement and enhance the effectiveness of more conventional monitoring practices (i.e., visual inspections and instrumentation) for closed CCR storage facilities. The performance of annual surveys of CCR facilities following closure can be used to monitor the integrity and effectiveness of the final cover system and satisfy relevant …
Geochemical Assessment To Support Evaluation Of Remedy Options At Ccr Units, Jim Finley, Paul Thomas, John Griggs
Geochemical Assessment To Support Evaluation Of Remedy Options At Ccr Units, Jim Finley, Paul Thomas, John Griggs
World of Coal Ash Proceedings
Developing closure and groundwater remedy strategies for CCR facilities requires broad investigation into material properties, hydrology, surface and groundwater quality, human and ecological risk among others. The inorganic constituents commonly associated with CCR materials are also chemically reactive with minerals contained in underlying unconsolidated materials. Essential information about the geochemical properties of unconsolidated material includes identification of reactive mineralogy, the distribution of Appendix IV constituents among mineral fractions through selective extraction, and quantification of the cation exchange capacity of clays. Results of geochemical assessment are incorporated in geochemical models used to predict response of the groundwater system to various remedies. …
Coal Clinker Ash Transforming Influence On Carbon Content Of Sandy Soil, Agnes Dube, Mutsa Muhambi, Mitsuru Tsubo, Tsugiyuki Masunaga
Coal Clinker Ash Transforming Influence On Carbon Content Of Sandy Soil, Agnes Dube, Mutsa Muhambi, Mitsuru Tsubo, Tsugiyuki Masunaga
World of Coal Ash Proceedings
Coal Clinker Ash Transforming Influence on Carbon Content of Sandy Soil Authors Ms. Agnes Dube - Japan - The United Graduate School of Agricultural Sciences Mr. Mutsa Muhambi - Japan - The United Graduate School of Agricultural Sciences Dr. Mitsuru Tsubo - Japan - Tottori University Dr. Tsugiyuki Masunaga - Japan - Shimane University Dr. Eiji Nishihara - Japan - Tottori University Abstract Soil carbon (C) is increasingly becoming an important factor in assessing soil quality and improving soil CO2sink capabilities. The application of carbonaceous coal clinker ash (CA) was postulated to improve the C content of sandy soils. A …
Conventional Or Bentonite-Polymer Gcls For Coal Combustion Product Leachates, Yu Tan, Craig Benson, Jimmy Youngblood
Conventional Or Bentonite-Polymer Gcls For Coal Combustion Product Leachates, Yu Tan, Craig Benson, Jimmy Youngblood
World of Coal Ash Proceedings
Conventional or Bentonite-Polymer GCLs for Coal Combustion Product Leachates? Authors Mr. Yu Tan - United States - University of Wisconsin-Madison Dr. Craig Benson - United States - University of Wisconsin-Madison Mr. Jimmy Youngblood - United States - Solmax Inc. Abstract Hydraulic conductivity of geosynthetic clay liners (GCLs) containing sodium bentonite (NaB) or bentonite-polymer composite (BPC) was evaluated using seven coal combustion product (CCP) leachates having various ionic strength (0.0042 to 2.2 M, dilute to concentrated). Four GCLs were evaluated, including two NaB GCLs containing bentonite with different granule sizes and two BPC GCLs containing dry mixtures of bentonite and polymer …
Local Geometry Of Elementary Visual Computations, Peter Neri
Local Geometry Of Elementary Visual Computations, Peter Neri
MODVIS Workshop
Visual operators (e.g. edge detectors) are classically modelled using small circuits involving canonical computations, such as template-matching and gain control. Circuit models explain many aspects of the empirical descriptors that are used to characterize local visual operators, from sensitivity to classification images. Notwithstanding their utility, these models fail to provide a unified framework encompassing the variety of effects observed experimentally, such as the impact of contrast, SNR, and attention on the above descriptors. My goal is to start with a simple, plausible geometrical representation of the perceptual operation carried out by the observer, and to show that this representation is …
Do Mechanisms Of Sinusoidal Contrast Sensitivity Account For Edge Sensitivity?, Lynn Schmittwilken, Felix A. Wichmann, Marianne Maertens
Do Mechanisms Of Sinusoidal Contrast Sensitivity Account For Edge Sensitivity?, Lynn Schmittwilken, Felix A. Wichmann, Marianne Maertens
MODVIS Workshop
No abstract provided.
Paper_Long-Term Conductivity Studies Of Low Permeability Concrete Containing Fly Ash, Neal Berke, Ali Inceefe, Kyle Stanish
Paper_Long-Term Conductivity Studies Of Low Permeability Concrete Containing Fly Ash, Neal Berke, Ali Inceefe, Kyle Stanish
World of Coal Ash Proceedings
Durability design and service life modeling are increasingly used to demonstrate that concrete structures have a long service life, resisting corrosion. Fly ash is an important mixture component used in the concrete mixture to reduce the permeability of the concrete with time. In service life modeling, there are two ways that the inclusion of fly ash can increase the predicted life – the rate of permeability reduction with time, and the length of time that permeability decreases. The results of a long-term study of concrete conductivity (which is related to permeability) of various low-permeability concrete mixtures designed for use in …
Subsurface Hydraulic Studies And Modeling To Support Injection Treatment And Hydraulic Containment At Impacted Coal Combustion Product (Ccp) Sites, Ali Meyal, Jim Redwine, Alexander Macbeth, Mike Gefell
Subsurface Hydraulic Studies And Modeling To Support Injection Treatment And Hydraulic Containment At Impacted Coal Combustion Product (Ccp) Sites, Ali Meyal, Jim Redwine, Alexander Macbeth, Mike Gefell
World of Coal Ash Proceedings
Subsurface Hydraulic Studies and Modeling to Support Injection Treatment and Hydraulic Containment at Impacted Coal Combustion Product (CCP) Sites Authors Dr. Ali Meyal - United States - Anchor QEA Dr. Jim Redwine - United States - Anchor QEA Mr. Alexander Macbeth - United States - Anchor QEA Mr. Mike Gefell - United States - Anchor QEA Mr. Chuck Pippin - United States - Anchor QEA Abstract In situ injection for remediation of CCP constituents in groundwater could save millions of dollars at CCP sites compared to conventional technologies. Hydraulic containment is also a selected remedy at many CCP sites. Anchor …
Design, Cqa, And Legacy Rule Considerations For A Multi-Phased Ccp Unit Closure, Brendan Purcell, Brittany Bradley, Jason Obermeyer
Design, Cqa, And Legacy Rule Considerations For A Multi-Phased Ccp Unit Closure, Brendan Purcell, Brittany Bradley, Jason Obermeyer
World of Coal Ash Proceedings
Design, CQA, and Legacy Rule Considerations for a Multi-phased CCP Unit Closure Authors Mr. Brendan Purcell - United States - WSP USA, Inc. Ms. Brittany Bradley - United States - WSP USA, Inc. Mr. Jason Obermeyer - United States - WSP USA, Inc. Abstract This paper presents the case history of an interesting closure certification project at a coal combustion product (CCP) landfill that was progressively closed over a period of more than 30 years as CCPs reached final grades. While progressive closure is recognized as a good management practice, the evolution of an increasingly stringent web of state and …
Long-Term Conductivity Studies Of Low Permeability Concrete Containing Fly Ash, Kyle Stanish, Neal Berke, Ali Inceefe
Long-Term Conductivity Studies Of Low Permeability Concrete Containing Fly Ash, Kyle Stanish, Neal Berke, Ali Inceefe
World of Coal Ash Proceedings
Long-Term Conductivity Studies of Low Permeability Concrete containing Fly Ash Authors Dr. Kyle Stanish - United States - Tourney Consulting Group Dr. Neal Berke - United States - Tourney Consulting Group Mr. Ali Inceefe - United States - Tourney Consulting Group Abstract Durability design and service life modeling are increasingly being used to demonstrate that concrete structures have a long service life, resisting corrosion. Fly ash is an important mixture component that is used in the concrete mixture to reduce the permeability of the concrete with time. In service life modeling, there are two ways that the inclusion of fly …
Navigating Through Geochemical Modeling Uncertainties Related To Site Management And Cleanup Decisions, Scott Hensel
Navigating Through Geochemical Modeling Uncertainties Related To Site Management And Cleanup Decisions, Scott Hensel
World of Coal Ash Proceedings
Navigating through Geochemical Modeling Uncertainties Related to Site Management and Cleanup Decisions Authors Mr. Scott Hensel - United States - Haley & Aldrich Inc. Abstract Geochemical modeling is a common and often essential approach used to understand the fate and transport of many inorganic constituents found at CCR sites. Uncertainties associated with key geochemical parameters may considerably influence the prediction of the fate of a CCR constituent. Because of regulation requirements, many CCR sites are in the process of selecting final remedies, which are often based on geochemical modeling results. Typically, thermodynamic databases downloaded with the program are used to …
Comparative Analysis Of Predicted Vs. Observed Leachate Generation Rates In Three Coal Combustion Residual Landfills, John Trast, Andrew Schwoerer, Eric Kovatch
Comparative Analysis Of Predicted Vs. Observed Leachate Generation Rates In Three Coal Combustion Residual Landfills, John Trast, Andrew Schwoerer, Eric Kovatch
World of Coal Ash Proceedings
Comparative Analysis of Predicted vs. Observed Leachate Generation Rates in Three Coal Combustion Residual Landfills Authors Mr. John Trast - United States - GEI Consultants, Inc. Mr. Andrew Schwoerer - United States - GEI Consultants, Inc. Mr. Eric Kovatch - United States - WEC Energy Group Abstract This paper evaluates and compares the predicted leachate generation rates with the observed rates in three coal combustion residual (CCR) landfills. The study focuses on assessing the accuracy of predictive models and understanding the factors influencing the variation between predicted and observed leachate generation in Landfill A, Landfill B, and Landfill C. The …
Ionic Liquid-Based Extraction And Separation For Recovery Of Rare-Earth Elements From Coal Fly Ash, Ting Liu, Ching-Hua Huang
Ionic Liquid-Based Extraction And Separation For Recovery Of Rare-Earth Elements From Coal Fly Ash, Ting Liu, Ching-Hua Huang
World of Coal Ash Proceedings
Ionic liquid-based extraction and separation for recovery of rare-earth elements from coal fly ash Authors Ms. Ting Liu - United States - Georgia Institute of Technolog Prof. Ching-Hua Huang - United States - Georgia Institute of Technology Abstract Rare-earth elements (REEs) play a critical role in modern technologies. The United States currently lacks domestic REE supply but has a substantial reserve of coal fly ash (CFA) from annual production and decades of accumulation. CFAs are valuable sources for REE recovery, encompassing a comprehensive REE range with some at higher concentrations than rare earth mines. Recent studies from our research group …
Paper_Design, Cqa, And Legacy Rule Considerations For A Multi-Phased Ccp Unit Closure, Brendan Purcell, Brittany Bradley, Jason Obermeyer
Paper_Design, Cqa, And Legacy Rule Considerations For A Multi-Phased Ccp Unit Closure, Brendan Purcell, Brittany Bradley, Jason Obermeyer
World of Coal Ash Proceedings
This paper presents the case history of an interesting closure certification project at a coal combustion product (CCP) landfill that was progressively closed over a period of more than 30 years as CCPs reached final grades. While progressive closure is recognized as a good management practice, the evolution of an increasingly stringent web of state and federal regulations and construction quality assurance (CQA) requirements over the intervening 30 years necessitated retroactive demonstrations to verify compliance with present-day closure requirements. Additionally, earlier-than anticipated plant retirement meant that open areas of the landfill had not yet reached design grades, leaving low areas …
What Is Active Learning? Perspectives From Five Stem Professors’ Teaching Practices In Their Classrooms
The Compass
This senior thesis investigated what ways, if any, STEM professors incorporated active learning pedagogy in their undergraduate classrooms at a small private university in the Northeast United States. STEM pedagogy was investigated because of the increasing popularity of active learning methods in the classroom compared to the didactic type of teaching that was prominent in the past.1 A qualitative case study of five STEM professors was conducted, involving the collection of data from biographical questions, an hourlong interview, and analysis of a document provided by a professor. This document could have been a lesson plan, an assignment, or an activity …
Inaction And Executive Power As Policy Decisions: The Reagan Presidency And Its Response To The Aids Crisis, 1981-1989
The Compass
Federal level responses to major public health crises are dictated almost entirely by the adherence of individual presidential administrations to different modalities of Federalism. This project examines the ways in which the Reagan administration utilized different modes of presidential power and authority to respond to the outbreak of HIV/AIDS in the 1980s. While much is known about the impact of HIV/AIDS on men who have sex with men (MSM), the larger queer community, and the overall response of the Reagan Administration to the HIV/AIDS epidemic, less is known about the specific way in which Reagan and his administration used executive …
An Analysis Of Monstrosity In “The Little Mermaid” With Respect To Christian Theology And Western Ideology
The Compass
The Little Mermaid is a story of monsters – or, at the very least, it is a story full of creatures that many might construe as monstrous in the Western understanding. Oftentimes, monsters are described as being outside of what is deemed as normal. This distinction “others” the creatures in a way that is evidently non-human, and in this inhumanity, they become lesser beings. Society paints these supposed monsters with perceived deformities, disabilities, or otherings – contrivances that we don’t recognize or understand, and thus become fearful of.1 In the case of Hans Christian Andersen’s land under the sea, we …
European House Cricket (Acheta Domesticus) Behavorial Decision Making And Resource Prioritization
European House Cricket (Acheta Domesticus) Behavorial Decision Making And Resource Prioritization
The Compass
This study investigates the olfactory decision-making of the Acheta domesticus (European house cricket), specifically focusing on resource prioritization between mating and food preferences. Utilizing approximately 50 mature and 50 juvenile crickets, the experiment involved filter papers scented with female pheromones and dog food to represent mating and food resources. While mature males showed a slight preference for female cues, the difference was not statistically significant with a 95% confidence level. In contrast, juvenile crickets exhibited a significant preference for female scents over food scents. Additionally, Mann-Whitney U-tests revealed no significant differences between the two groups in the time spent on …
Reflections On “Unsettling The University” And Its Call To Responsibility, Sharon Stein
Reflections On “Unsettling The University” And Its Call To Responsibility, Sharon Stein
Critical Internationalization Studies Review
No abstract provided.
Theoretical Approaches To The Study Of International Students, Minghui (Hannah) Hou, Jing Yu, Shinji Katsumoto
Theoretical Approaches To The Study Of International Students, Minghui (Hannah) Hou, Jing Yu, Shinji Katsumoto
Critical Internationalization Studies Review
No abstract provided.