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Articles 143311 - 143340 of 302613
Full-Text Articles in Physical Sciences and Mathematics
An Analysis Of Strategic Treatment Interruptions During Imatinib Treatment Of Chronic Myelogenous Leukemia With Imatinib-Resistant Mutations, Dana Paquin, David Sacco, John Shamshoian
An Analysis Of Strategic Treatment Interruptions During Imatinib Treatment Of Chronic Myelogenous Leukemia With Imatinib-Resistant Mutations, Dana Paquin, David Sacco, John Shamshoian
Mathematics
Chronic myelogenous leukemia (CML) is a cancer of the white blood cells that results from increased and uncontrolled growth of myeloid cells in the bone marrow and the accumulation of these cells in the blood. The most common form of treatment for CML is imatinib, a tyrosine kinase inhibitor. Although imatinib is an effective treatment for CML and most patients treated with imatinib do attain some form of remission, imatinib does not completely eradicate all leukemia cells, and if treatment is stopped, all patients eventually relapse (Cortes, 2005). In Kim (2008), the authors developed a mathematical model for the dynamics …
Building Conflict-Free Fft Schedules, Stephen Richardson, Dejan Markovic, Andrew Danowitz, John Brunhaver, Mark Horowitz
Building Conflict-Free Fft Schedules, Stephen Richardson, Dejan Markovic, Andrew Danowitz, John Brunhaver, Mark Horowitz
Computer Science and Software Engineering
A conflict-free schedule lets an FFT run to completion without ever having to pause for memory-conflict resolution. We show how to build such schedules for FFTs having any number of butterfly units B operating at any radix R, transforming any number of datapoints D. Our algorithm works for FFT datapaths with or without pipeline overlap, and for memory banks having any number of access ports. Specifically, it enables construction of conflict-free schedules using single-ported memory banks, which require less area than more traditional multi-ported designs.
Measuring The Strength Of The Semantic Relationship Between Words, Lubomir Stanchev
Measuring The Strength Of The Semantic Relationship Between Words, Lubomir Stanchev
Computer Science and Software Engineering
We propose a novel way for extracting the strength of the semantic relationship between words from semi-structured sources, such as WordNet. Unlike existing approaches that only explore the structured information (e.g., the hypernym relationship in WordNet), we present a framework that allows us to utilize all available information, including natural text descriptions. Our approach constructs a similarity graph that stores the strength of the semantic relationship between words. Specifically, an edge between two words describes the probability that someone who is interested in resources about the first word will be also interested in resources about the second word. Note that …
Digitization Of Disturbance History For Swanton Pacific Ranch From 1989 To 2015, Daniel Mcquillan
Digitization Of Disturbance History For Swanton Pacific Ranch From 1989 To 2015, Daniel Mcquillan
Natural Resources Management and Environmental Sciences
No abstract provided.
Transforming Precalculus Instruction: Evidence-Based Course Design, Wendy M. Smith
Transforming Precalculus Instruction: Evidence-Based Course Design, Wendy M. Smith
DBER Speaker Series
The UNL Mathematics Department has been focused on transforming precalculus instruction since 2012, with a goal of greater levels of student success. A short-term measure of student success is the passing rate (C or better), which has jumped from an average of 62% (2007-2011) to 80% for the past two falls. A longer-term measure of student success is recruiting and retaining undergraduates to STEM disciplines and careers. In this talk I will share specifics of the reform efforts (the who-what-when-where-why-and-how), and also share preliminary results from the research we have simultaneously been conducting into the reform efforts.
My Math Gps: Elementary Algebra Guided Problem Solving, Jonathan Cornick, G Michael Guy, Karan Puri
My Math Gps: Elementary Algebra Guided Problem Solving, Jonathan Cornick, G Michael Guy, Karan Puri
Open Educational Resources
My Math GPS: Elementary Algebra Guided Problem Solving is a textbook that aligns to the CUNY Elementary Algebra Learning Objectives that are tested on the CUNY Elementary Algebra Final Exam (CEAFE). This book contextualizes arithmetic skills into Elementary Algebra content using a problem-solving pedagogy. Classroom assessments and online homework are available from the authors. In a paper to appear in PRIMUS, this textbook and accompanying pedagogy showed significant increases in learning outcomes.
Peripheral No More: Repositioning Narratives For Empowerment And Change In Sustainability Education, Rell G. Ohlson
Peripheral No More: Repositioning Narratives For Empowerment And Change In Sustainability Education, Rell G. Ohlson
Leadership for Sustainability Education Comprehensive Papers
The field of sustainability education challenges dominant modes of thought, with a particular emphasis on the need for diversity and "multiple perspectives" in order to confront complex issues (Capra, 2005; Sterling, 2001; Wheatley, 2006). If this is the case, why are certain perspectives still missing and what narratives have been given prominence? This comprehensive paper examines the problems of a dominant narrative in sustainability education. In order for sustainability education to be truly transformative and empowering for students, leaders, and their communities, the narrative of sustainability must be repositioned from a dominant, white, middle-class context to one that affirms, values …
A New Synthesis Of Bis (4-Tert-Butylphenyl) Iodonium Hexafluoroantimonate; A Known Catalyst For Photopolymerization, Matthew C. Salvi
A New Synthesis Of Bis (4-Tert-Butylphenyl) Iodonium Hexafluoroantimonate; A Known Catalyst For Photopolymerization, Matthew C. Salvi
Chemistry Master’s Theses
This thesis describes a novel reaction protocol for the synthesis of bis (4-tert-butylphenyl) iodonium (BtPhI) hexafluoroantimonate (2) via the formation of diacetoxy (t-butylphenyl)-λ3-iodane (1). It is also important to provide a safe and robust reaction procedure for future scaled-up production.
Using The Landsat Data Archive To Assess Long-Term Regional Forest Dynamics Assessment In Eastern Europe, 1985-2012, S. Turubanova, P. Potapov, A. Krylov, A. Tyukavina, Jessica L. Mccarty, V. C. Radeloff, M. C. Hansen
Using The Landsat Data Archive To Assess Long-Term Regional Forest Dynamics Assessment In Eastern Europe, 1985-2012, S. Turubanova, P. Potapov, A. Krylov, A. Tyukavina, Jessica L. Mccarty, V. C. Radeloff, M. C. Hansen
Michigan Tech Research Institute Publications
Abstract. Dramatic political and economic changes in Eastern European countries following the dissolution of the “Eastern Bloc” and the collapse of the Soviet Union greatly affected land-cover and land-use trends. In particular, changes in forest cover dynamics may be attributed to the collapse of the planned economy, agricultural land abandonment, economy liberalization, and market conditions. However, changes in forest cover are hard to quantify given inconsistent forest statistics collected by different countries over the last 30 years. The objective of our research was to consistently quantify forest cover change across Eastern Europe from 1985 until 2012 using the complete Landsat …
Core-Collapse Supernovae Overview With Swift Collaboration, Kiranjyot Gill, Michele Zanolin, Marek Szczepańczyk
Core-Collapse Supernovae Overview With Swift Collaboration, Kiranjyot Gill, Michele Zanolin, Marek Szczepańczyk
Publications
The Core-Collapse supernovae (CCSNe) mark the dynamic and explosive end of the lives of massive stars. The mysterious mechanism, primarily focused with the shock revival phase, behind CCSNe explosions could be explained by detecting the corresponding gravitational wave (GW) emissions by the laser interferometer gravitational wave observatory, LIGO. GWs are extremely hard to detect because they are weak signals in a floor of instrument noise. Optical observations of CCSNe are already used in coincidence with LIGO data, as a hint of the times where to search for the emission of GWs. More of these hints would be very helpful. For …
Senator George J. Mitchell Lecture On Sustainability, Senator George J. Mitchell Center For Sustainability Solutions
Senator George J. Mitchell Lecture On Sustainability, Senator George J. Mitchell Center For Sustainability Solutions
Cultural Affairs Distinguished Lecture Series
On Thursday, October 15, 2015 the Senator George J. Mitchell Center for Sustainability Solutions will host the 2015 Senator George J. Mitchell Lecture on Sustainability. This event is free and open to all. It will take place at 1pm at Wells Conference Center on the University of Maine campus. Roger A. Pielke, Jr., a key thought leader on effective roles for scientists in political debates and the formulation of public policy, will be the keynote speaker. Senator Mitchell will provide remarks.
The central mission of the Mitchell Center is to serve as a leader and valued partner in understanding and …
Optical Techniques For Remote And In-Situ Characterization Of Particles Pertinent To Geotraces, Emmanuel Boss, Lionel Guidi, Mary Jo Richardson, Lars Stemmann, Wilford Gardner, James K.B. Bishop, Robert F. Anderson, Robert M. Sherrell
Optical Techniques For Remote And In-Situ Characterization Of Particles Pertinent To Geotraces, Emmanuel Boss, Lionel Guidi, Mary Jo Richardson, Lars Stemmann, Wilford Gardner, James K.B. Bishop, Robert F. Anderson, Robert M. Sherrell
Marine Sciences Faculty Scholarship
Field and laboratory characterization of marine particles is laborious and expensive. Proxies of particle properties have been developed that allow researchers to obtain high frequency distributions of such properties in space or time. We focus on optical techniques used to characterize marine particles in-situ, with a focus on GEOTRACES-relevant properties, such as bulk properties including particle mass, cross-sectional area, particle size distribution, particle shape information, and also single particle optical properties, such as individual particle type and size. We also address the use of optical properties of particles to infer particulate organic or inorganic carbon. In addition to optical sensors …
Strengthening The Role Of Universities In Addressing Sustainability Challenges: The Mitchell Center For Sustainability Solutions As An Institutional Experiment, David Hart, Kathleen P. Bell, Laura Lindenfeld, Shaleen Jain, Teresa Johnson, Darren Ranco, Brian Mcgill
Strengthening The Role Of Universities In Addressing Sustainability Challenges: The Mitchell Center For Sustainability Solutions As An Institutional Experiment, David Hart, Kathleen P. Bell, Laura Lindenfeld, Shaleen Jain, Teresa Johnson, Darren Ranco, Brian Mcgill
Publications
As the magnitude, complexity, and urgency of many sustainability problems increase, there is a growing need for universities to contribute more effectively to problem solving. Drawing upon prior research on social-ecological systems, knowledge-action connections, and organizational innovation, we developed an integrated conceptual framework for strengthening the capacity of universities to help society understand and respond to a wide range of sustainability challenges. Based on experiences gained in creating the Senator George J. Mitchell Center for Sustainability Solutions (Mitchell Center), we tested this framework by evaluating the experiences of interdisciplinary research teams involved in place-based, solutions-oriented research projects at the scale …
Understanding Social Resilience In The Maine Lobster Industry, Teresa R. Johnson, Anna M. Henry
Understanding Social Resilience In The Maine Lobster Industry, Teresa R. Johnson, Anna M. Henry
Publications
The Maine lobster Homarus americanus fishery is considered one of the most successful fisheries in the world due in part to its unique comanagement system, the conservation ethic of the harvesters, and the ability of the industry to respond to crises and solve collective-action problems. However, recent threats raise the question whether the industry will be able to respond to future threats as successfully as it has to ones in the past or whether it is now less resilient and can no longer adequately respond to threats. Through ethnographic research and oral histories with fishermen, we examined the current level …
Maine Healthy Beaches 2014 Report To Us Epa, K. Kaczor, M. Sims
Maine Healthy Beaches 2014 Report To Us Epa, K. Kaczor, M. Sims
Maine Sea Grant Publications
There are more than 29 miles of public access beaches stretching along Maine’s coast. Maine Healthy Beaches (MHB) is managed by the Maine Department of Environmental Protection (DEP) and coordinated by the University of Maine Cooperative Extension (UMaine Extension). This team worked with 28 local management entities to conduct routine monitoring, assessment and public notification of water quality conditions for 60 beach management areas spanning Kittery to Mount Desert Island.
MHB is a voluntary program and monitoring coastal water quality for swimming and other water contact usage is the responsibility of local jurisdictions and is not mandated by state law. …
Study Of Emic Wave Excitation Using Direct Ion Measurements, Kyungguk Min, Kaijun Liu, J. Bonnell, Aaron W. Breneman, Richard E. Denton, H. O. Funsten, Joerg-Micha Jahn, C A. Kletzing, W. S. Kurth, B. A. Larsen, Geoffrey Reeves, Harlan E. Spence, J. R. Wygant
Study Of Emic Wave Excitation Using Direct Ion Measurements, Kyungguk Min, Kaijun Liu, J. Bonnell, Aaron W. Breneman, Richard E. Denton, H. O. Funsten, Joerg-Micha Jahn, C A. Kletzing, W. S. Kurth, B. A. Larsen, Geoffrey Reeves, Harlan E. Spence, J. R. Wygant
Physics & Astronomy
With data from Van Allen Probes, we investigate electromagnetic ion cyclotron (EMIC) wave excitation using simultaneously observed ion distributions. Strong He band waves occurred while the spacecraft was moving through an enhanced density region. We extract from helium, oxygen, proton, and electron mass spectrometer measurement the velocity distributions of warm heavy ions as well as anisotropic energetic protons that drive wave growth through the ion cyclotron instability. Fitting the measured ion fluxes to multiple sinm-type distribution functions, we find that the observed ions make up about 15% of the total ions, but about 85% of them are still missing. By …
Circulation, Vol. 20, No. 2, Center For Coastal Physical Oceanography, Old Dominion University, Ben Hamlington
Circulation, Vol. 20, No. 2, Center For Coastal Physical Oceanography, Old Dominion University, Ben Hamlington
CCPO Circulation
Spring 2015 issue of Circulation, featuring the article "Uncovering Anthropogenic Sea Level Rise" by Dr. Ben Hamlington
Math Quiz On The Radio, Darren B. Glass
Math Quiz On The Radio, Darren B. Glass
Math Faculty Publications
What word, often spelled with an umlaut, is used to identify a point on a two-dimensional graph?
Many of you probably already figured out the answer is "coordinate." But that's because you are sitting comfortably in your dorm room rather than being on a stage with bright lights in front of a few hundred people being recorded for national broadcast on public radio. [excerpt]
Proteo-Lipobeads For The Oriented Encapsulation Of Membrane Proteins, Leslie M. Loew
Proteo-Lipobeads For The Oriented Encapsulation Of Membrane Proteins, Leslie M. Loew
UCHC Articles - Research
As a surrogate of the life cell, proteo-lipobeads are presented, encapsulating functional membrane proteins in a strict orientation into a lipid bilayer. Assays can be performed just as on life cells, for example using fluorescence measurements. As a proof of concept, we have demonstrated proton transport through cytochrome c oxidase.
Synthesis Of Phosphorus-Based Hemiacetals For Potential Flame Retardants, Sara Alakkad
Synthesis Of Phosphorus-Based Hemiacetals For Potential Flame Retardants, Sara Alakkad
Honors Theses
Flame retardants which contain a phosphorus moiety attached to a carbohydrate backbone were developed. To synthesize the flame retardants, carbohydrates and polyols were used as the starting materials which occur in nature and are environmentally and toxicologically safe materials. The two target structures include one with a triose substructure and one with a pentose substructure. For both situations, however, multiple steps were taken for the synthesis of the flame retardant, as the carbohydrate needed to be generated into its protected form. The protected carbohydrate then interacted with a dialkyl phosphite, resulting in a phosphorous hemiacetal. This hemiacetal was then deprotected …
Uncertainty In Simulating Gross Primary Production Of Cropland Ecosystem From Satellite-Based Models, Wenping Yuan, Wenwen Cai, Anthony L. Nguy-Robertson, Huajun Fang, Andrew E. Suyker, Yang Chen, Wenjie Dong, Shuguang Liu, Haicheng Zhang
Uncertainty In Simulating Gross Primary Production Of Cropland Ecosystem From Satellite-Based Models, Wenping Yuan, Wenwen Cai, Anthony L. Nguy-Robertson, Huajun Fang, Andrew E. Suyker, Yang Chen, Wenjie Dong, Shuguang Liu, Haicheng Zhang
School of Natural Resources: Faculty Publications
Accurate estimates of gross primary production (GPP) for croplands are needed to assess carbon cycle and crop yield. Satellite-based models have been developed to monitor spatial and temporal GPP patterns. However, there are still large uncertainties in estimating cropland GPP. This study compares three light use efficiency (LUE) models (MODIS-GPP, EC-LUE, and VPM) with eddy-covariance measurements at three adjacent AmeriFlux crop sites located near Mead, Nebraska, USA. These sites have different croprotation systems (continuous maize vs. maize and soybean rotated annually) and water management practices (irrigation vs. rainfed). The results reveal several major uncertainties in estimating GPP which need to …
Landscape And Anthropogenic Features Influence The Use Of Auditory Vigilance By Mule Deer, Emma Lynch, Joseph M. Northrup, Megan F. Mckenna, Charles R. Anderson Jr, Lisa Angeloni, George Wittemyer
Landscape And Anthropogenic Features Influence The Use Of Auditory Vigilance By Mule Deer, Emma Lynch, Joseph M. Northrup, Megan F. Mckenna, Charles R. Anderson Jr, Lisa Angeloni, George Wittemyer
United States National Park Service: Publications
While visual forms of vigilance behavior and their relationship with predation risk have been broadly examined, animals also employ other vigilance modalities such as auditory vigilance by listening for the acoustic cues of predators. Similar to the tradeoffs associated with visual vigilance, auditory behavior potentially structures the energy budgets and behavior of animals. The cryptic nature of auditory vigilance makes it difficult to study, but on-animal acoustical monitoring has rapidly advanced our ability to investigate behaviors and conditions related to sound. We utilized this technique to investigate the ways external stimuli in an active natural gas development field affect periodic …
Armstrong Calculus, Michael Tiemeyer, Jared Schlieper
Armstrong Calculus, Michael Tiemeyer, Jared Schlieper
Mathematics Open Textbooks
Authors' Description:
An open-source textbook for calculus.
The text is mostly an adaptation of two other excellent open- source calculus textbooks: Active Calculus by Dr. Matt Boelkins of Grand Valley State University and Drs. Gregory Hartman, Brian Heinold, Troy Siemers, Dimplekumar Chalishajar, and Jennifer Bowen of the Virginia Military Institute and Mount Saint Mary's University. Both of these texts can be found at http://aimath.org/textbooks/approved-textbooks/.
The authors of this text have combined sections, examples, and exercises from the above two texts along with some of their own content to generate this text. The impetus for the creation of this text …
Precipitation Forecasting With Gamma Distribution Models For Gridded Precipitation Events In Eastern Oklahoma And Northwestern Arkansas, Andrew Lang, Steven A. Amburn, Michael A. Buonaiuto
Precipitation Forecasting With Gamma Distribution Models For Gridded Precipitation Events In Eastern Oklahoma And Northwestern Arkansas, Andrew Lang, Steven A. Amburn, Michael A. Buonaiuto
College of Science and Engineering Faculty Research and Scholarship
An elegant and easy to implement probabilistic quantitative precipitation forecasting model that can be used to estimate the probability of exceedance (POE) is presented. The model was built using precipitation data collected across eastern Oklahoma and northwestern Arkansas from late 2005 through early 2013. The dataset includes precipitation analyses at 4578 contiguous, 4 km34 kmgrid cells for 1800 precipitation events of 12 h. The dataset is unique in that the meteorological conditions for each 12-h event were relatively homogeneous when contrasted with single-point data obtained over months or years where the meteorological conditions for each rain event could have varied …
Coupling Of Transverse And Longitudinal Waves In Piano Strings, Nikki Etchenique, Samantha Collin, Thomas R. Moore
Coupling Of Transverse And Longitudinal Waves In Piano Strings, Nikki Etchenique, Samantha Collin, Thomas R. Moore
Student-Faculty Collaborative Research Publications
The existence of longitudinal waves in vibrating piano strings has been previously established, as has their importance in producing the characteristic sound of the piano. Modeling of the coupling between the transverse and longitudinal motion of strings indicates that the amplitude of the longitudinal waves are quadratically related to the transverse displacement of the string, however, experimental verification of this relationship is lacking. In the work reported here this relationship is tested by driving the transverse motion of a piano string at only two frequencies, which simplifies the task of unambiguously identifying the constituent signals. The results indicate that the …
Interview Of Margaret Mccoey, M.S., Margaret M. Mccoey, Matthew Riffe
Interview Of Margaret Mccoey, M.S., Margaret M. Mccoey, Matthew Riffe
All Oral Histories
Margaret “Peggy” McCoey is the Director of Graduate Programs in Computer Information Science, Information Technology, and Economic Crime Forensics at La Salle University. Born in the Oxford Circle section of Philadelphia in 1957, Peggy grew up in St. Martin of Tours parish attending their grade school before going to Little Flower High School. After graduation in 1975, Peggy entered La Salle University an undergraduate where she received a bachelor’s degree in Computer Science. Peggy received a master’s degree from Villanova in 1984. Beginning in 1982, Peggy McCoey has taught at La Salle University in some capacity. Throughout the 1990’s, Peggy …
Ground-State And Pairing-Vibrational Bands With Equal Quadrupole Collectivity In 124Xe, A. J. Radich, P. E. Garrett, J. M. Allmond, C. Andreoiu, G. C. Ball, L. Bianco, V. Bildstein, S. Chagnon-Lessard, D. S. Cross, G. A. Demand, A. Diaz Varela, R. Dunlop, P. Finlay, A. B. Garnsworthy, G. Hackman, B. Hadinia, B. Jigmeddorj, A. T. Laffoley, K. G. Leach, J. Michetti-Wilson, J. N. Orce, M. M. Rajabali, E. T. Rand, K. Starosta, C. S. Sumithrarachchi, C. E. Svensson, S. Triambak, Z. M. Wang, J. L. Wood, J. Wong, S. J. Williams, Steven W. Yates
Ground-State And Pairing-Vibrational Bands With Equal Quadrupole Collectivity In 124Xe, A. J. Radich, P. E. Garrett, J. M. Allmond, C. Andreoiu, G. C. Ball, L. Bianco, V. Bildstein, S. Chagnon-Lessard, D. S. Cross, G. A. Demand, A. Diaz Varela, R. Dunlop, P. Finlay, A. B. Garnsworthy, G. Hackman, B. Hadinia, B. Jigmeddorj, A. T. Laffoley, K. G. Leach, J. Michetti-Wilson, J. N. Orce, M. M. Rajabali, E. T. Rand, K. Starosta, C. S. Sumithrarachchi, C. E. Svensson, S. Triambak, Z. M. Wang, J. L. Wood, J. Wong, S. J. Williams, Steven W. Yates
Chemistry Faculty Publications
The nuclear structure of 124Xe has been investigated via measurements of the β+/EC decay of 124Cs with the 8πγ-ray spectrometer at the TRIUMF-ISAC facility. . . .
For the remainder of this abstract, please visit: http://dx.doi.org/10.1103/PhysRevC.91.044320
Distributed Augmented Reality Communications And Interactions, Mitchell Mason
Distributed Augmented Reality Communications And Interactions, Mitchell Mason
Honors Theses
No abstract provided.
Geometrical Phases On The Poincaré And Bloch Spheres, Jason D. Mueller
Geometrical Phases On The Poincaré And Bloch Spheres, Jason D. Mueller
Honors Theses
No abstract provided.
Development Of Inexpensive Educational Robotics Tools, Brandon Oubre
Development Of Inexpensive Educational Robotics Tools, Brandon Oubre
Honors Theses
No abstract provided.