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Articles 200401 - 200430 of 1114130
Full-Text Articles in Entire DC Network
Interview With Esther Beer, Jacques Molleker, Esther Beer
Interview With Esther Beer, Jacques Molleker, Esther Beer
One-Room Schoolhouse Oral Histories
An interview with Esther Beer regarding her experiences in a one-room school house.
Sonnet Ansi/Vita 49.2-2017, Sec. 9.13.3, Bruce Mcguffin
Sonnet Ansi/Vita 49.2-2017, Sec. 9.13.3, Bruce Mcguffin
Journal of Humanistic Mathematics
A discussion of the contents of the Data Packet Payload Format Field in an ANSI/VITA 49.2 compliant data packet in the form of a Sonnet.
Archimedes Of Syracuse And Sir Isaac Newton: On The Quadrature Of A Parabola, Wyatte C. Hooper
Archimedes Of Syracuse And Sir Isaac Newton: On The Quadrature Of A Parabola, Wyatte C. Hooper
Journal of Humanistic Mathematics
Good mathematics stands the test of time. As culture changes, we often ask different questions, bringing new perspectives, but modern mathematics stands on ancient discoveries. Isaac Newton’s discovery of calculus (along with Leibniz) may seem old but is predated by Archimedes’ findings. Current mathematics students should be familiar with parabolas and simple curves; in our introductory calculus courses, we teach them to compute the areas under such curves. Our modern approach derives its roots from Newton’s work; however, we have filled in many of the gaps in the pursuit of mathematical rigor. What many students may not know is that …
The List: Proverbs For Calculus, Bruce H. Pourciau
The List: Proverbs For Calculus, Bruce H. Pourciau
Journal of Humanistic Mathematics
Topics chosen from first-year calculus illustrate a number of “sayings” or “proverbs,” the first three, for example, being: be awed, like a child; meaning before truth; and act with intention. Many are proverbs for life as well as mathematics.
The Power Of A Double Take: Doubling Back To Show Growth In A Pandemic, Lawrence M. Lesser
The Power Of A Double Take: Doubling Back To Show Growth In A Pandemic, Lawrence M. Lesser
Journal of Humanistic Mathematics
The COVID-19 pandemic inspired reflections on the importance and challenges of teaching exponential growth, such as doubling, to varied audiences.
Assessment, Evaluation, And Grading: A Reflection On My Radicalization, Priscilla Bremser
Assessment, Evaluation, And Grading: A Reflection On My Radicalization, Priscilla Bremser
Journal of Humanistic Mathematics
The COVID-19 pandemic forced instructors to adapt their assessment practices. For this author, that adaptation led to a reconsideration of evaluation systems, given the ways in which such systems can interfere with learning and perpetuate inequities. The author describes resulting changes in her grading of student work and evaluation of faculty colleagues.
Arithmetics, Interrupted, Matilde Lalín
Arithmetics, Interrupted, Matilde Lalín
Journal of Humanistic Mathematics
I share some of my adventures in mathematical research and homeschooling in the time of COVID-19.
The Math Games Seminar: A Mathematical Learning Community, Anthony Delegge, Ellen Ziliak
The Math Games Seminar: A Mathematical Learning Community, Anthony Delegge, Ellen Ziliak
Journal of Humanistic Mathematics
Learning communities can be an effective means of engaging university students across disciplines. Games have always been a source of both enjoyment and interesting mathematics. Based on our own interest in games, and the deep, strategic discussions we found ourselves having with students when we played games with them, we decided to design a learning community around the mathematics of games. We hoped in particular that such a community could be a great pathway to introducing mathematical thinking to students not majoring in mathematics, and that they would gain a greater appreciation for our field. In this paper, we describe …
Markov Chains For Computer Music Generation, Ilana Shapiro, Mark Huber
Markov Chains For Computer Music Generation, Ilana Shapiro, Mark Huber
Journal of Humanistic Mathematics
Random generation of music goes back at least to the 1700s with the introduction of Musical Dice Games. More recently, Markov chain models have been used as a way of extracting information from a piece of music and generating new music. We explain this approach and give Python code for using it to first draw out a model of the music and then create new music with that model.
Logic And Biology: The Correspondence Between Alfred Tarski And Joseph H. Woodger, Paolo Mancosu
Logic And Biology: The Correspondence Between Alfred Tarski And Joseph H. Woodger, Paolo Mancosu
Journal of Humanistic Mathematics
This article makes available some early letters chronicling the relationship between the biologist Joseph H. Woodger and the logician Alfred Tarski. Using twenty-five unpublished letters from Tarski to Woodger preserved in the Woodger Papers at University College, London, I reconstruct their relationship for the period 1935-1950. The scientific aspects of the correspondence concern, among other things, Tarski’s reports on the work he is doing, his interests, and his --- sometimes critical but always well-meaning --- reactions to Woodger’s attempts at axiomatizing and formalizing biology using the system of Principia Mathematica. Perhaps the most interesting letter from a philosophical point …
Mario Molina, Jose Castro
07-29-2021 Oklahoma’S Best Kept Secret - Regional Universities Offer Best Value, Southwestern Oklahoma State University
07-29-2021 Oklahoma’S Best Kept Secret - Regional Universities Offer Best Value, Southwestern Oklahoma State University
THE BARK ARCHIVE 2021
No abstract provided.
Heart Of A Tiger, July 29, 2021, Tisa Mason Ed.D.
Heart Of A Tiger, July 29, 2021, Tisa Mason Ed.D.
Heart of a Tiger Columns
No abstract provided.
Gardner-Webb Students Participate In Internships All Over The World, Office Of University Communications
Gardner-Webb Students Participate In Internships All Over The World, Office Of University Communications
Gardner-Webb NewsCenter Archive
This summer, several Gardner-Webb University students are working internships all over the world—from South Africa to Shelby, N.C. To give the campus community an idea of the various places students are serving, Micah Martin, director, and Shea Mattingly, associate director, from the GWU Center for Personal and Professional Development have featured them in virtual road trips. These interviews are published once a week on the Center’s Instagram page.
What About The Rest Of Them? Fatal Injuries Related To Production Agriculture Not Captured By The Bureau Of Labor Statistics (Bls) Census Of Fatal Occupational Injuries (Cfoi), Bryan Weichelt, Erika Scott, Rick Burke, John Shutske, Serap Gorucu, Wayne T. Sanderson, Murray Madsen, Emily Redmond, Dennis J. Murphy, Risto Rautiainen
What About The Rest Of Them? Fatal Injuries Related To Production Agriculture Not Captured By The Bureau Of Labor Statistics (Bls) Census Of Fatal Occupational Injuries (Cfoi), Bryan Weichelt, Erika Scott, Rick Burke, John Shutske, Serap Gorucu, Wayne T. Sanderson, Murray Madsen, Emily Redmond, Dennis J. Murphy, Risto Rautiainen
Biosystems and Agricultural Engineering Faculty Publications
Surveillance of injuries in production agriculture is necessary to inform stakeholders about workplace hazards and risks in order to improve and advance injury prevention policies and practices for this dangerous industry. The most comprehensive fatal injury surveillance effort currently in the United States is the Bureau of Labor Statistics (BLS) Census of Fatal Occupational Injuries (CFOI), which covers occupational fatalities in all U.S. industries, including production agriculture. However, this surveillance does not include many categories of fatalities that occur during agricultural work or on production agriculture worksites. To better capture the human cost of production agriculture, the authors of this …
Effect Of Radiofrequency Assisted Thermal Processing On The Structural, Functional And Biological Properties Of Egg White Powder, Alisha Kar
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Radiofrequency (RF) assisted thermal processing is a novel and energy-efficient method used for pasteurization, which heats the product volumetrically as opposed to traditional hot room (HR) pasteurization. RF-assisted thermal processing accelerates the heating rate of egg white powder (EWP), which has a low thermal conductivity and further affect its gelling properties. The effect of processing methods (RF and HR) due to pH and treatment temperature combination was monitored by subjecting neutral EWP (6.4 pH) to 70 and 80 ℃ and alkaline EWP (pH 9.9) samples to 70 ℃ over 0, 5, 10, 15 and 20 d. At 80 ℃ and …
Pre-Milling Interventions For Improving The Microbiological Quality Of Wheat, Shpresa Musa
Pre-Milling Interventions For Improving The Microbiological Quality Of Wheat, Shpresa Musa
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Development of pre-milling intervention strategies to improve the microbial quality of wheat and wheat-based products is an emerging concern for the food industry. When steam tempering conditions for hard and soft wheat were applied, the microbial population associated with the grain was significantly reduced compared to controls. Further reductions were observed when acid was applied as part of the intervention which is an added benefit since the addition of a tempering solution is required for both wheat classes since the desired milling moisture cannot be reached by applying steam alone. On average, the highest reductions for hard wheat were achieved …
Regulating Risk From Toxic Substances: Best Practices For Economic Analysis Of Risk Management Options Under The Toxic Substances Control Act, Jack Lienke, Rachel Rothschild
Regulating Risk From Toxic Substances: Best Practices For Economic Analysis Of Risk Management Options Under The Toxic Substances Control Act, Jack Lienke, Rachel Rothschild
Other Publications
In 2016, Congress amended the Toxic Substances Control Act (TSCA) through the Lautenberg Act, with the aim of spurring the Environmental Protection Agency (EPA) to issue more expansive and protective regulations of harmful chemicals. The new statutory framework provides a three-step process for evaluating and controlling the risks of chemicals currently in use: prioritization, risk evaluation, and risk management. After finding during the prioritization process that a chemical may present an unreasonable risk, EPA must conduct a risk evaluation to assess its hazards, including to especially vulnerable populations. If the agency’s risk evaluation finds that the chemical does indeed pose …
Fouad Retires After 40 Years On Uab Faculty, 25 Years As Civil Engineering Chair, Staff
Fouad Retires After 40 Years On Uab Faculty, 25 Years As Civil Engineering Chair, Staff
Browse All News
No abstract provided.
Site Selection For Coral Reef Restoration Using Airborne Imaging Spectroscopy, Steven R. Schill, Gregory P. Asner, Valerie Pietsch Mcnulty, F. Joseph Pollock, Aldo Croquer, Nicholas R. Vaughn, Ximena Escovar-Fadul, George Raber, Elizabeth Shaver
Site Selection For Coral Reef Restoration Using Airborne Imaging Spectroscopy, Steven R. Schill, Gregory P. Asner, Valerie Pietsch Mcnulty, F. Joseph Pollock, Aldo Croquer, Nicholas R. Vaughn, Ximena Escovar-Fadul, George Raber, Elizabeth Shaver
Faculty Publications
Over the past decade, coral restoration efforts have increased as reefs continue to decline at unprecedented rates. Identifying suitable coral outplanting locations to maximize coral survival continues to be one of the biggest challenges for restoration practitioners. Here, we demonstrate methods of using derivatives from imaging spectroscopy from the Global Airborne Observatory (GAO) to identify suitable coral outplant sites and report on the survival rates of restored coral at those sites. Outplant sites for a community-based, citizen science outplant event in Bávaro, Dominican Republic, were identified using expert-defined criteria applied to a suitability model from data layers derived from airborne …
Collaborative Filtering Based Generative Networks, Raghuram Srinivas
Collaborative Filtering Based Generative Networks, Raghuram Srinivas
Computer Science and Engineering Theses and Dissertations
Collaborative Filtering, a popular method for recommendation engines, models its predictions using past interactions between the entities in question (aka users/movies or customers/products etc). The method does not rely on the explicit properties of the entities, the identification of which may be intractable. In this work, we leverage this advantage rendered by Collaborative Filtering where the explicit features need not be defined apriori by evaluating its application to the domain of Ligand based Virtual Screening. We further attempt to address the drawback of Collaborative Filtering , ie the lack of interpret ability of the factors discovered through collaborative filtering by …
Finite Element Modelling And Exergy Analysis Of A Solar Thermal Hollow Fiber Vacuum Membrane Distillation System, Benjamin Shuldes
Finite Element Modelling And Exergy Analysis Of A Solar Thermal Hollow Fiber Vacuum Membrane Distillation System, Benjamin Shuldes
Department of Chemical and Biomolecular Engineering: Dissertations, Theses, and Student Research
A finite element model was developed to investigate the performance of a vacuum membrane distillation module under various operating conditions and membrane parameters. Porosity, tortuosity, pore diameter, membrane thickness, and fiber length were varied along with feed temperature, velocity, and flow configuration. In all cases, boundary layer polarization phenomena were seen to inhibit the performance of the module. At certain conditions, for a 7.5 cm fiber, the reduction in permeate flux from 65 LMH (Liter/m2/h) at the inlet to below 45 LMH at the outlet of the fibers was observed. In most cases, salt concentration polarization was the …
Establishing Safe Operating Speeds For Autonomous Vehicles: A Case Study From The Automated Skyway Express In Jacksonville, Florida, Andrew Loken
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
Autonomous vehicles (AVs) differ significantly from traditional passenger vehicles in both their behavior and physical characteristics. As such, the validity of the guidance provided in the Manual for Assessing Safety Hardware, Second Edition (MASH 2016) is questionable in AV applications. Impact conditions specified in MASH 2016 are inextricably linked to the traditional vehicles underlying the estimates. For AV applications, conditions must be estimated from the ground up, stepping outside the guidance of MASH 2016. Herein, a method for evaluating existing infrastructure to support AV traffic is proposed. The method integrates traditional structural analyses with unconventional methods of estimating impact conditions. …
Office Of Research, Economic Engagement And Outreach Update, July 29, 2021, Office Of Research, Economic Engagement And Outreach
Office Of Research, Economic Engagement And Outreach Update, July 29, 2021, Office Of Research, Economic Engagement And Outreach
Office of Research, Economic Engagement and Outreach
No abstract provided.
Addressing Student Engagement During Covid-19: Secondary Stem Teachers Attend To The Affective Dimension Of Learner Needs, Tiffany Roman, Laurie Brantley-Dias, Michael Dias, Belinda Edwards
Addressing Student Engagement During Covid-19: Secondary Stem Teachers Attend To The Affective Dimension Of Learner Needs, Tiffany Roman, Laurie Brantley-Dias, Michael Dias, Belinda Edwards
Faculty Articles
This case study examines how a cohort of eleven induction secondary STEM teachers engaged learners during the onset of COVID-19 and their designs for student engagement given an online or blended teaching context in fall 2020. Participants attended a summer professional development workshop guided by trauma-informed teaching practices and learner engagement conceptual frameworks. Through the analysis of teacher artifacts and interviews, we identified dimensions of student engagement that teachers prioritized. Results indicate a marked increase in teachers’ attention to affective and social dimensions of learner engagement. We argue that teacher awareness and action in the affective domain of student engagement …
Cmos Charge Amplifier For Scientific Instruments, Yixin Song
Cmos Charge Amplifier For Scientific Instruments, Yixin Song
Theses and Dissertations
Charge detection is essential for a large number of commercial and scientific applications. A charge amplifier is one of the most fundamental building blocks for a detector system. This thesis describes the design, circuit implementation, and post-silicon testing of two different charge amplifier designs, analog and digital, that address some commonly seen fundamental challenges in the charge detection application. In particular, the proposed designs can be integrated with an image charge detector (ICD) to study the characteristics of dust on Mars. The proposed charge amplifier design utilizes a small 10 fF feedback capacitor to achieve a high gain. The fully …
Ductile Design And Predicted Inelastic Response Of Steel Moment Frame Buildings For Extreme Wind Loads, Tyler Eric Giles
Ductile Design And Predicted Inelastic Response Of Steel Moment Frame Buildings For Extreme Wind Loads, Tyler Eric Giles
Theses and Dissertations
Inelastic design methods have been used in seismic design for several years and are well accepted in engineering practice. In contrast, an inelastic wind design method is yet to be developed, in part due to the inherent differences between seismic forces and wind forces. Current wind design practice follows a linear method to find a design windspeed for the location where the structure will be built. Once the design windspeed has been determined, the lateral force resisting system is designed such that it will behave elastically. This study was conducted with the hypothesis that by providing ductility at the material …
Assessment And Expansion Of Laboratory-Based Testing Of Biomass Cookstoves, Cameron M. Quist
Assessment And Expansion Of Laboratory-Based Testing Of Biomass Cookstoves, Cameron M. Quist
Theses and Dissertations
Biomass cookstoves are a significant source of various pollutants, such as CO2, CO, and particulate matter (PM). To mitigate the issues surrounding cookstoves, significant research has been undertaken on improved cookstoves (ICS). This research can be performed in a laboratory setting, in the field, or a combination of both. This work concentrates on the purely laboratory testing. Laboratory testing has both advantages and disadvantages when compared to field testing (e.g. decreased cost and increased consistency). However, field applications are variable, environments can be significantly different (for example wind and ambient temperature can be very different in the field vs. a …
New Grant To Champion Small-Business Development In Mississippi, Shea Stewart
New Grant To Champion Small-Business Development In Mississippi, Shea Stewart
University of Mississippi News
No abstract provided.
Multimedia Networks And Communications, Houbing Song
Multimedia Networks And Communications, Houbing Song
Publications
Sight and sound is a type of correspondence that joins distinctive substance structures like content, sound, pictures, liveliness, or video into a solitary show, rather than customary broad communications, like written word or sound chronicles. Famous instances of interactive media incorporate video web recordings, sound slideshows and animated videos. Multimedia can be recorded for playback on PCs, workstations, cell phones, and other electronic gadgets, either on request or progressively (streaming). In the early long stretches of sight and sound, the expression "rich media" was inseparable from intuitive mixed media. Over the long run. Improved degrees of intuitiveness are made conceivable …