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Articles 1951 - 1980 of 12521
Full-Text Articles in Physical Sciences and Mathematics
Design And Implementation Of A Csi-Based Ubiquitous Smoking Detection System, Xiaolong Zheng, Jilian Wang, Longfei Shangguan, Zimu Zhou, Yunhao Liu
Design And Implementation Of A Csi-Based Ubiquitous Smoking Detection System, Xiaolong Zheng, Jilian Wang, Longfei Shangguan, Zimu Zhou, Yunhao Liu
Research Collection School Of Computing and Information Systems
Even though indoor smoking ban is being put into practice in civilized countries, existing vision or sensor-based smoking detection methods cannot provide ubiquitous detection service. In this paper, we take the first attempt to build a ubiquitous passive smoking detection system, Smokey, which leverages the patterns smoking leaves on WiFi signal to identify the smoking activity even in the non-line-of-sight and throughwall environments. We study the behaviors of smokers and leverage the common features to recognize the series of motions during smoking, avoiding the target-dependent training set to achieve the high accuracy. We design a foreground detectionbased motion acquisition method …
Nitrate Leaching From Sand And Pumice Geomedia Amended With Pyrogenic Carbon Materials, James Jihoon Kang, Marissa Davila, Sergio Mireles, Jungseok Ho
Nitrate Leaching From Sand And Pumice Geomedia Amended With Pyrogenic Carbon Materials, James Jihoon Kang, Marissa Davila, Sergio Mireles, Jungseok Ho
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
There is increasing interest in using pyrogenic carbon as an adsorbent for aqueous contaminants in stormwater. The objective of this study was to investigate pyrogenic carbon materials as an amendment to geomedia to reduce nitrate leaching. Batch adsorption and column experiments were conducted to evaluate the performance of a commercial activated carbon and two biochars incorporated (5% by weight) into sand and pumice columns. The batch adsorption with 50 mg L−1 of nitrate solution showed that only activated carbon resulted in a substantial adsorption for nitrate up to 41%. Tested biochars were not effective in removing aqueous nitrate and even …
From Zeldovich Approximation To Burgers’ Equation: A Plausible Route To Cellular Automata Adhesion Universe, Victor Christianto, Florentin Smarandache
From Zeldovich Approximation To Burgers’ Equation: A Plausible Route To Cellular Automata Adhesion Universe, Victor Christianto, Florentin Smarandache
Branch Mathematics and Statistics Faculty and Staff Publications
Some years ago, Hidding et al. suggest that the emergence of intricate and pervasive weblike structure of the Universe on Megaparsec scales can be approximated by a well-known equation from fluid mechanics, the Burgers’ equation. The solution to this equation can be obtained from a geometrical formalism. The resulting Adhesion formalism provides deep insight into the dynamics and topology of the Cosmic Web. It uncovers a direct connection between the conditions in the very early Universe and the complex spatial patterns that emerged out of these under the influence of gravity. In the present paper, we describe a cellular automaton …
The Diseños Project: A Geospatial Visualization Of The Environmental History Of California, 1769-1892, Rubén Mendoza
The Diseños Project: A Geospatial Visualization Of The Environmental History Of California, 1769-1892, Rubén Mendoza
Rubén Mendoza
No abstract provided.
Search For Direct Production Of Supersymmetric Partners Of The Top Quark In The All-Jets Final State In Proton-Proton Collisions At √S=13 Tev, A. M. Sirunyan, Marc M. Baarmand, Vallary Bhopatkar, Stefano Colafranceschi, Marcus Hohlmann, Daniel Noonan, Tuhin S. Roy, F. Yumiceva, The Cms Collaboration
Search For Direct Production Of Supersymmetric Partners Of The Top Quark In The All-Jets Final State In Proton-Proton Collisions At √S=13 Tev, A. M. Sirunyan, Marc M. Baarmand, Vallary Bhopatkar, Stefano Colafranceschi, Marcus Hohlmann, Daniel Noonan, Tuhin S. Roy, F. Yumiceva, The Cms Collaboration
Aerospace, Physics, and Space Science Faculty Publications
A search for direct production of top squark pairs in events with jets and large transverse momentum imbalance is presented. The data are based on proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector in 2016 at the CERN LHC, and correspond to an integrated luminosity of 35.9 fb−1. The search considers a variety of R-parity conserving supersymmetric models, including ones for which the top squark and neutralino masses are nearly degenerate. Specialized jet reconstruction tools are developed to exploit the unique characteristics of the signal topologies. With no significant excess of events observed above …
Hybrid Polymer Electrolyte For Lithium-Oxygen Battery Application, Amir Chamaani
Hybrid Polymer Electrolyte For Lithium-Oxygen Battery Application, Amir Chamaani
FIU Electronic Theses and Dissertations
The transition from fossil fuels to renewable resources has created more demand for energy storage devices. Lithium-oxygen (Li-O2) batteries have attracted much attention due to their high theoretical energy densities. They, however, are still in their infancy and several fundamental challenges remain to be addressed. Advanced analytical techniques have revealed that all components of a Li-O2 battery undergo undesirable degradation during discharge/charge cycling, contributing to reduced cyclability. Despite many attempts to minimize the anode and cathode degradation, the electrolyte remains as the leading cause for rapid capacity fading and poor cyclability in Li-O2 batteries. In this …
Development Of Novel Alkaloid Derivatives For The Treatment Of Chronic Myeloid Leukemia, Lindsay Michelle Renn
Development Of Novel Alkaloid Derivatives For The Treatment Of Chronic Myeloid Leukemia, Lindsay Michelle Renn
Theses and Dissertations
The majority of chronic myeloid leukemia (CML) patients can be treated with and respond to imatinib mesylate (Gleevec). Imatinib is known to inhibit BCR-ABLl kinase activity, and is effective for the treatment of the majority of CML patients. Multiple mutations have been found in patients resistant to imatinib treatment, including many located in the BCR-ABLl tyrosine kinase domain (e.g. E255K and T315I). Matrine is a bioactive alkaloid from Sophora flavescens and has been shown to inhibit several types of cancers and is used in Chinese medicine. The goal of this study is to develop new matrine derivatives that inhibit growth …
A Mathematical Analysis Of Drug Dissolution In The Usp Flow Through Apparatus, David Mcdonnell, Deirdre M. D'Arcy, Lawrence J. Crane, Brendan Redmond
A Mathematical Analysis Of Drug Dissolution In The Usp Flow Through Apparatus, David Mcdonnell, Deirdre M. D'Arcy, Lawrence J. Crane, Brendan Redmond
Articles
This paper applies boundary layer theory to the process of drug dissolution in the USP (United States Pharmacopeia) Flow Through Apparatus. The mass transfer rate from the vertical planar surface of a compact within the device is examined. The theoretical results obtained are then compared with those of experiment. The paper also examines the effect on the dissolution process caused by the interaction between natural and forced convection within the apparatus and the introduction of additional boundaries.
Phys 211: Mechanics, Gravitation, And Waves, Ilya Kravchenko
Phys 211: Mechanics, Gravitation, And Waves, Ilya Kravchenko
Department of Physics and Astronomy: Syllabi
Syllabus for PHYS 211: Mechanics, Gravitation, and Waves syllabus for Fall 2017 semester.
The Roots Of Early Group Theory In The Works Of Lagrange, Janet Heine Barnett
The Roots Of Early Group Theory In The Works Of Lagrange, Janet Heine Barnett
Abstract Algebra
No abstract provided.
Water Current, Volume 49, No. 4, Fall 2017
Water Current, Volume 49, No. 4, Fall 2017
Water Current Newsletter
2018 Water Tour Heads West to Wyoming
Spring water seminar lectures will Key on “Advances in Irrigation Management”
Learning About Women In Stem For First-Year Students [Liberal Arts: Math And Science], Reem Jaafar, Ian Alberts
Learning About Women In Stem For First-Year Students [Liberal Arts: Math And Science], Reem Jaafar, Ian Alberts
Open Educational Resources
This assignment was designed for students in the first year seminar and aligns with the Inquiry and Problem Solving core competency, with a focus on “framing the issues” (identifies and/or addresses questions problems and/or hypothesis informed by knowledge of context) and “evidence gathering” (assembles, reviews and synthesizes evidence from diverse sources of relevant knowledge). Both assignments rely on writing and one may include an oral component. In writing, the focus is on “Content Development and Organization,” as well as “Control of Language, Syntax, and Mechanics.”
LaGuardia’s Core Competencies and Communication Abilities
Main Course Learning Objectives:
- The LMF course for Liberal …
Inquiry Into Saving [Mathematics], Jeanne Funk
Inquiry Into Saving [Mathematics], Jeanne Funk
Open Educational Resources
‘Inquiry Into Saving’ is an assignment originally designed for MAT117, which is a course for students who have been placed in basic skills mathematics and who can apply a college level course in Algebra and Trigonometry to their program. These students should, ideally, be early in their LaGuardia career, though that is frequently not the case. All, however, are novices of mathematics. The assignment was vetted and revised based on feedback from the Inquiry and Problem Solving in STEM CTL seminar and a charrette not affiliated with the seminar. Revisions addressed connections to the Inquiry and Problem Solving/Written competency/ability pair, …
World Population Dynamics: Modeling Involving Polynomial Functions [Mathematics], Mangala Kothari
World Population Dynamics: Modeling Involving Polynomial Functions [Mathematics], Mangala Kothari
Open Educational Resources
In this Inquiry and Problem Solving Assignment students are expected to reflect on their analysis and compare their results with the actual population by conducting their own elementary level research such as searching databases, gathering information and interpreting. Students are expected to comment on the scope of the mathematical model and connect their learning in context to the real-world problem. The assignment includes open-ended questions such as: Write a paragraph about the dynamics of population for the world. What could be some of the possible parameters that contribute to the change in population size? Reflect on what you learned by …
Pan-Arctic Optical Characteristics Of Colored Dissolved Organic Matter: Tracing Dissolved Organic Carbon In Changing Arctic Waters Using Satellite Ocean Color Data, Atsushi Matsuoka, Emmanuel Boss, Marcel Babin, Lee Karp-Boss, Mark Hafez, Alex Chekalyuk, Christopher W. Proctor, P. Jeremy Werdell, Annick Bricaud
Pan-Arctic Optical Characteristics Of Colored Dissolved Organic Matter: Tracing Dissolved Organic Carbon In Changing Arctic Waters Using Satellite Ocean Color Data, Atsushi Matsuoka, Emmanuel Boss, Marcel Babin, Lee Karp-Boss, Mark Hafez, Alex Chekalyuk, Christopher W. Proctor, P. Jeremy Werdell, Annick Bricaud
Marine Sciences Faculty Scholarship
Light absorption of the colored fraction of dissolved organic matter (CDOM) is a dominant optical component of the Arctic Ocean (AO). Here we show Pan-Arctic characteristics of CDOM light absorption for various Arctic regions covering both coastal and oceanic waters during the Tara Oceans Polar Circle expedition. The Siberian (or eastern) side of the AO is characterized by higher CDOM absorption values compared to the North American (or western) side. This is due to the difference in watersheds between the eastern and western sides of the AO and is consistent with an Arctic absorption database recently built by Matsuoka et …
Picture This: Using Photo-Research Exhibits As Science Outreach, Eden J.V. Hennessey, Mindi D. Foster, Shohini Ghose
Picture This: Using Photo-Research Exhibits As Science Outreach, Eden J.V. Hennessey, Mindi D. Foster, Shohini Ghose
Psychology Faculty Publications
Is a picture worth a thousand words? This paper discusses a unique science outreach initiative–provocative photo-research exhibits on sexism in science.
Gender imbalance in science, technology, engineering, and math (STEM) is not only a concern from a social justice perspective, but also has negative consequences for scientific innovation and the economy, given that lack of workplace gender diversity is associated with lower revenue and returns. Science outreach (i.e., public outreach by scientists) could be particularly impactful in Waterloo, Ontario – a region known as ‘Canada’s Silicon Valley’ that contributes over $30-billion annually to the global economy. Portraying complex social issues …
Studying Human Behavior For Species Conservation, Hilary Byerly, Brendan Fisher
Studying Human Behavior For Species Conservation, Hilary Byerly, Brendan Fisher
Rubenstein School of Environment and Natural Resources Faculty Publications
No abstract provided.
Matroid Configurations And Symbolic Powers Of Their Ideals, A. V. Geramita, B. Harbourne, J. Migliore, Uwe Nagel
Matroid Configurations And Symbolic Powers Of Their Ideals, A. V. Geramita, B. Harbourne, J. Migliore, Uwe Nagel
Mathematics Faculty Publications
Star configurations are certain unions of linear subspaces of projective space that have been studied extensively. We develop a framework for studying a substantial generalization, which we call matroid configurations, whose ideals generalize Stanley-Reisner ideals of matroids. Such a matroid configuration is a union of complete intersections of a fixed codimension. Relating these to the Stanley-Reisner ideals of matroids and using methods of liaison theory allows us, in particular, to describe the Hilbert function and minimal generators of the ideal of, what we call, a hypersurface configuration. We also establish that the symbolic powers of the ideal of any matroid …
Circulation, Vol. 23, No. 1, Center For Coastal Physical Oceanography, Old Dominion University, Bem Hamlington
Circulation, Vol. 23, No. 1, Center For Coastal Physical Oceanography, Old Dominion University, Bem Hamlington
CCPO Circulation
Fall 2017 issue of CCPO Circulation featuring article "Leading the Way Toward Better Projections of Regional Sea Level Rise" by Ben Hamlington.
The Effects Of Climate On Radial Growth Of Disjunct Northern White Cedar (Thuja Occidentalis L.) In Virginia, Joshua A. Kincaid
The Effects Of Climate On Radial Growth Of Disjunct Northern White Cedar (Thuja Occidentalis L.) In Virginia, Joshua A. Kincaid
Virginia Journal of Science
Understanding the geographic range and growth of species is essential for effective land management in a landscape affected by anthropogenic activity and climate change. Climate change is expected to alter the distribution and growth of many tree species in eastern North America, including northern white cedar (Thuja occidentalis L.). This research examined the effects of climate on radial growth of T. occidentalis in disjunct populations south of its continuous range margin in eastern North America. A T. occidentalis tree-ring chronology was developed and examined for growth-climate interactions. Mean sensitivity of the T. occidentalis chronology was within the range of …
A Comparative Study On Machine Learning Algorithms For Network Defense, Abdinur Ali, Yen-Hung Hu, Chung-Chu (George) Hsieh, Mushtaq Khan
A Comparative Study On Machine Learning Algorithms For Network Defense, Abdinur Ali, Yen-Hung Hu, Chung-Chu (George) Hsieh, Mushtaq Khan
Virginia Journal of Science
Network security specialists use machine learning algorithms to detect computer network attacks and prevent unauthorized access to their networks. Traditionally, signature and anomaly detection techniques have been used for network defense. However, detection techniques must adapt to keep pace with continuously changing security attacks. Therefore, machine learning algorithms always learn from experience and are appropriate tools for this adaptation. In this paper, ten machine learning algorithms were trained with the KDD99 dataset with labels, then they were tested with different dataset without labels. The researchers investigate the speed and the efficiency of these machine learning algorithms in terms of several …
Cocaine And The Dopamine Hypothesis Of Addiction, Grace Gibson
Cocaine And The Dopamine Hypothesis Of Addiction, Grace Gibson
Chemistry: Student Scholarship & Creative Works
Dopamine is the primary neurotransmitter associated with addiction. Among the drugs that impact dopamine function, cocaine notably causes long-term blunting of dopamine release. The “blunted-dopamine hypothesis” explains the behaviors of addiction via cocaine’s blunting effects. In a non-addicted brain, dopamine acts in the midbrain reward system to regulate pleasure and related emotions. The brain responds to rewarding stimuli by mobilizing dopaminergic neurons to release dopamine, causing the pleasure associated with eating, gambling, and drug use. Notable structures involved in dopamine pathways are the dorsal and ventral striata, the nucleus accumbens (a part of the ventral striatum), and the ventral tegmental …
College Of Science And Mathematics Newsletter, Fall 2017, College Of Science And Mathematics, Wright State University
College Of Science And Mathematics Newsletter, Fall 2017, College Of Science And Mathematics, Wright State University
College of Science and Mathematics Newsletters
This 6 page newsletter discusses various happenings within the College of Science and Mathematics. It begins with a letter from the dean, and continues on with news, events, alumni news, and other community news.
Formal Performance Guarantees For An Approach To Human In The Loop Robot Missions, Damian Lyons, Ron Arkin, Shu Jiang, Matt O'Brien, Feng Tang, Peng Tang
Formal Performance Guarantees For An Approach To Human In The Loop Robot Missions, Damian Lyons, Ron Arkin, Shu Jiang, Matt O'Brien, Feng Tang, Peng Tang
Faculty Publications
Abstract— A key challenge in the automatic verification of robot mission software, especially critical mission software, is to be able to effectively model the performance of a human operator and factor that into the formal performance guarantees for the mission. We present a novel approach to modelling the skill level of the operator and integrating it into automatic verification using a linear Gaussians model parameterized by experimental calibration. Our approach allows us to model different skill levels directly in terms of the behavior of the lumped, robot plus operator, system.
Using MissionLab and VIPARS (a behavior-based robot mission verification …
A Multi-Resolution And Adaptive 3-D Image Denoising Framework With Applications In Medical Imaging, Partha Sarathi Mukherjee
A Multi-Resolution And Adaptive 3-D Image Denoising Framework With Applications In Medical Imaging, Partha Sarathi Mukherjee
Mathematics Faculty Publications and Presentations
Due to recent increase in the usage of 3-D magnetic resonance images (MRI) and analysis of functional magnetic resonance images (fMRI), research on 3-D image processing becomes important. Observed 3- D images often contain noise which should be removed in such a way that important image features, e.g., edges, edge structures, and other image details should be preserved, so that subsequent image analyses are reliable. Most image denoising methods in the literature are for 2-D images. However, their direct generalizations to 3- D images can not preserve complicated edge structures well. Because, the edge structures in a 3-D edge surface …
Exposures To Fine Particulate Matter And Ozone Above Usa Standards Are Associated With Auditory Brainstem Dysmorphology And Delayed Auditory Brainstem Evoked Potentials In Healthy Dogs, Partha S. Mukherjee
Exposures To Fine Particulate Matter And Ozone Above Usa Standards Are Associated With Auditory Brainstem Dysmorphology And Delayed Auditory Brainstem Evoked Potentials In Healthy Dogs, Partha S. Mukherjee
Mathematics Faculty Publications and Presentations
Background: Delayed central conduction times in the auditory brainstem have been observed in Mexico City (MC) healthy children breathing fine particulate matter (PM2.5) and ozone (O3) above the current United States Environmental Protection Agency (US-EPA) standards. MC children have α synuclein brainstem accumulation and medial superior olivary complex (MSO) dysmorphology. The present study used a dog model to further investigate the potential effects of air pollution on the function and morphology of the auditory brainstem.
Methodology: Twenty-four dogs living in clean air v MC, average age 37.1± 26.3 months, underwent brainstem auditory evoked potential (BAEP) measurements. …
Sorting Permutations: Games, Genomes, And Cycles, K. L. M. Adamyk, E. Holmes, G. R. Mayfield, D. J. Moritz, M. Scheepers, B. E. Tenner, H. C. Wauck
Sorting Permutations: Games, Genomes, And Cycles, K. L. M. Adamyk, E. Holmes, G. R. Mayfield, D. J. Moritz, M. Scheepers, B. E. Tenner, H. C. Wauck
Mathematics Faculty Publications and Presentations
Permutation sorting, one of the fundamental steps in pre-processing data for the efficient application of other algorithms, has a long history in mathematical research literature and has numerous applications. Two special-purpose sorting operations are considered in this paper: context directed swap, abbreviated cds, and context directed reversal, abbreviated cdr. These are special cases of sorting operations that were studied in prior work on permutation sorting. Moreover, cds and cdr have been postulated to model molecular sorting events that occur in the genome maintenance program of certain species of single-celled organisms called ciliates.
This paper investigates mathematical aspects of …
Mathematical Models For Polymer-Nematic Interactions, Ensela Mema
Mathematical Models For Polymer-Nematic Interactions, Ensela Mema
Dissertations
This dissertation considers a mathematical model that consists of a nematic liquid crystal layer sandwiched between two parallel bounding plates, across which an external field may be applied. Particular attention is paid to the effect of an applied field on the layer as well as the interaction between the liquid crystal molecules and the molecules of the substrate. The system studied may be considered as a simple model of a Liquid Crystal Display (LCD) device, and the results obtained are discussed and interpreted within this context.
The first part of this dissertation considers a study that investigates how the number …
Public Perceptions Of The Functions Of Natural And Engineered Infrastructure In Coastal Hazards Mitigation: The Cases Of Two Communities In The Raritan Bayshore, New Jersey, Jaime D. Ewalt Gray
Public Perceptions Of The Functions Of Natural And Engineered Infrastructure In Coastal Hazards Mitigation: The Cases Of Two Communities In The Raritan Bayshore, New Jersey, Jaime D. Ewalt Gray
Dissertations
Emerging United States (U.S.) federal policies call for more comprehensive integration of both engineered and natural infrastructure in mitigating coastal hazards. For such policies to be effectively implemented, the mitigation functions of and relationship between natural infrastructure and engineered infrastructure must be understood and their integrated use accepted by affected actors, especially residents living in at-risk coastal communities. Little is known about public perceptions of the functions of engineered and natural infrastructure in coastal hazard mitigation and the interactions between these two types of infrastructure. This study analyzes perceptions based on semi-structured interviews of 14 residents in Laurence Harbor, Middlesex …
A Conversation Centric Approach To Understanding And Supporting The Coordination Of Social Group-Activities, Richard P. Schuler
A Conversation Centric Approach To Understanding And Supporting The Coordination Of Social Group-Activities, Richard P. Schuler
Dissertations
Despite the widespread and large variety of communication tools available to us such as, text messaging, Skype, email, twitter, Facebook, instant messaging, GroupMe, WhatsApp, Snapchat, etc., many people still routinely find coordinating activities with our friends to be a very frustrating experience. Everyone, has at least once, encountered the difficulties involved with deciding what to do as a group. Some friends may be busy, others may have already seen the movie that the others want to see, and some do not like Mexican food. It is a challenge everyone has faced and continue to face. This is a result of …