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Articles 211 - 240 of 5871
Full-Text Articles in Physical Sciences and Mathematics
Sci-Tech Book News Reviews, Susan Fingerman
Message From The Vice President For Research And Federal Relations, The Mcnair Team
Message From The Vice President For Research And Federal Relations, The Mcnair Team
McNair Scholars Research Journal
No abstract provided.
Acknowledgements, The Mcnair Team
Acknowledgements, The Mcnair Team
McNair Scholars Research Journal
No abstract provided.
Mentor Profile, The Mcnair Team
Mentor Profile, The Mcnair Team
McNair Scholars Research Journal
No abstract provided.
Analyzing The Effect Of Hurricanes On Structure And Growth In Southeast Texas Forests, Christopher M. Gentry
Analyzing The Effect Of Hurricanes On Structure And Growth In Southeast Texas Forests, Christopher M. Gentry
All-Inclusive List of Electronic Theses and Dissertations
Hurricanes are a relatively common occurrence along the gulf coast of Texas. This research analyzed the effect hurricanes have on the growth and structure of forests in southeastem_Texas. Increment cores were taken from numerous species within the Neches Bottom Unit of the Big Thicket National Preserve and the Wier Woods Nature Preserve to analyze how hurricanes affect the structure of these forests. In the Turkey Creek Unit of the Big Thicket National Preserve and in the Angelina National Forest, Pi nus palustris (Longleaf pine) and P. taeda (Loblolly pine) was sampled in order to analyze how hurricanes affect the growth …
Studies Of The Performance, Stability And Reliability Of Various Configurations Of The Activated Sludge Process At Full-Scale Municipal Wastewater Treatment Plants, Michael A. Redda
Earth & Environmental Sciences Dissertations - Archive
This research presents a performance, stability and reliability analysis of five configurations of activated sludge process, viz., conventional, contact stabilization, complete mix, extended aeration and sequencing batch reactor. Five years effluent records of carbonaceous biochemical oxygen demand (CBOD5), total suspended solids (TSS) and ammonia nitrogen (NH3-N) were used. The impact of hydraulic load classes (HLCes) and seasons on the performance of configurations were also examined. The Univariate General Linear Model with Tukey's Honestly Significant Difference was employed in the performance and stability studies. Performance was determined based on the observed lowest mean effluent concentrations, while the observed standard deviation from …
Analyzing The Catalytic Role Of Asp97 In The Methionine Aminopeptidase From Escherichia Coli, Sanghamitra Mitra, Kathleen M. Job, Lu Meng, Brian Bennett, Richard C. Holz
Analyzing The Catalytic Role Of Asp97 In The Methionine Aminopeptidase From Escherichia Coli, Sanghamitra Mitra, Kathleen M. Job, Lu Meng, Brian Bennett, Richard C. Holz
Physics Faculty Research and Publications
An active site aspartate residue, Asp97, in the methionine aminopeptidase (MetAPs) from Escherichia coli (EcMetAP-I) was mutated to alanine, glutamate, and asparagine. Asp97 is the lone carboxylate residue bound to the crystallographically determined second metal-binding site in EcMetAP-I. These mutant EcMetAP-I enzymes have been kinetically and spectroscopically characterized. Inductively coupled plasma–atomic emission spectroscopy analysis revealed that 1.0 ± 0.1 equivalents of cobalt were associated with each of the Asp97-mutated EcMetAP-Is. The effect on activity after altering Asp97 to alanine, glutamate or asparagine is, in general, due to a ∼ 9000-fold decrease in kca towards …
The Möbius Geometry Of Hypersurfaces, Michael Bolt
The Möbius Geometry Of Hypersurfaces, Michael Bolt
University Faculty Publications and Creative Works
No abstract provided.
Comparative Analysis Of Forecasting Techniques With Intermittent Demand, John Deforest
Comparative Analysis Of Forecasting Techniques With Intermittent Demand, John Deforest
Industrial Engineering Undergraduate Honors Theses
The world and life are filled with uncertainty. Statistics, and more specifically, forecasting techniques allow us to quantify uncertainty and make decisions based on that information. Many find forecasting advantageous in areas such as predicting consumer demand, stock prices, terrorist attacks, epidemiology, etc. This thesis will focus on forecasting intermittent demand, which is the study of analyzing sporadic demand. One application includes an airplane manufacturer’s sporadic or intermittent demand for spare parts in their distribution center. Since spare parts are not needed on any regular schedule, it is thought of as intermittent. Knowing the projected quantity for a given time …
Iphone Forensics Methodology And Tools, Haitham Al-Hajri, Krishnun Sansurooah
Iphone Forensics Methodology And Tools, Haitham Al-Hajri, Krishnun Sansurooah
Australian Digital Forensics Conference
iPhone mobile devices are rapidly overtaking the new generation of mobile phones market, especially among the young generation. It is also gaining a lot of popularity among security specialists and fancy gadgets for collectors. The device is considered as a “special” mobile phone due to its ability to perform multi-operations if not multitasking. It can therefore be used as a entertainment media device, a camera, a GPS, Internet surfing via Wi-Fi technology, Internet Mobile Edge Services, personal organizer, and finally performing as a cell phone with all the usual services including sms, and so forth. However, the difference between the …
Chebyshev Collocation Method For The Effect Of Variable Thermal Conductivity On Micropolar Fluid Flow Over Vertical Cylinder With Variable Surface Temperature, Nasser S. Elgazery, Nader Y. Abd Elazem
Chebyshev Collocation Method For The Effect Of Variable Thermal Conductivity On Micropolar Fluid Flow Over Vertical Cylinder With Variable Surface Temperature, Nasser S. Elgazery, Nader Y. Abd Elazem
Applications and Applied Mathematics: An International Journal (AAM)
An analysis is performed to study the role of a variable thermal conductivity on unsteady free convection in a micro-polar fluid past a semi-infinite vertical cylinder with variable surface temperature in the presence of magnetic filed and radiation. The surface temperature is measured to vary as a power of the axial coordinate measured from the leading edge of the cylinder. The governing non-linear partial differential equations are transformed into a linear algebraic system utilizing Chebyshev collocation method in spatial and Crank-Nicolson method in time. Numerical results for the velocity, angular velocity and temperature profiles as well as for the local …
General Validity Of Reciprocity In Quantum Mechanics, P.T. Leung, H. Y. Xie, D. P. Tsai
General Validity Of Reciprocity In Quantum Mechanics, P.T. Leung, H. Y. Xie, D. P. Tsai
Physics Faculty Publications and Presentations
The concept of reciprocity symmetry for matter-wave propagation is established for nonrelativistic quantum mechanics with previous results in the literature extended to include nonlocal interactions. Examples are given for cases with both local and nonlocal potentials, where we show in particular that reciprocity can be violated for the motion of a charged particle in an external electromagnetic field. In addition, this symmetry is applied to interpret a recent analysis [Phys. Rev. A 64, 042716 (2001)] on the symmetry of transmission through one-dimensional complex potentials, with the emphasis that the validity of reciprocity can go beyond that of time-reversal symmetry, such …
Functional Monitoring Without Monotonicity, Chrisil Arackaparambil, Joshua Brody, Amit Chakrabarti
Functional Monitoring Without Monotonicity, Chrisil Arackaparambil, Joshua Brody, Amit Chakrabarti
Computer Science Technical Reports
The notion of distributed functional monitoring was recently introduced by Cormode, Muthukrishnan and Yi to initiate a formal study of the communication cost of certain fundamental problems arising in distributed systems, especially sensor networks. In this model, each of k sites reads a stream of tokens and is in communication with a central coordinator, who wishes to continuously monitor some function f of \sigma, the union of the k streams. The goal is to minimize the number of bits communicated by a protocol that correctly monitors f(\sigma), to within some small error. As in previous work, we focus on a …
Sequence Alignment With Traceback On Reconfigurable Hardware, Scott Lloyd, Quinn O. Snell
Sequence Alignment With Traceback On Reconfigurable Hardware, Scott Lloyd, Quinn O. Snell
Faculty Publications
Biological sequence alignment is an essential tool used in molecular biology and biomedical applications. The growing volume of genetic data and the complexity of sequence alignment present a challenge in obtaining alignment results in a timely manner. Known methods to accelerate alignment on reconfigurable hardware only address sequence comparison, limit the sequence length, or exhibit memory and I/O bottlenecks. A space-efficient, global sequence alignment algorithm and architecture is presented that accelerates the forward scan and traceback in hardware without memory and I/O limitations. With 256 processing elements in FPGA technology, a performance gain over 300 times that of a desktop …
Applicability Of Multiplicative Renormalization Method For A Certain Function, Izumi Kubo, Hui-Hsiung Kuo, Suat Namli
Applicability Of Multiplicative Renormalization Method For A Certain Function, Izumi Kubo, Hui-Hsiung Kuo, Suat Namli
Communications on Stochastic Analysis
No abstract provided.
General Equilibrium Asset Pricing Under Regime Switching, Robert J Elliott, Hong Miao, Jin Yu
General Equilibrium Asset Pricing Under Regime Switching, Robert J Elliott, Hong Miao, Jin Yu
Communications on Stochastic Analysis
No abstract provided.
A Class Of Extreme X-Harmonic Functions, John Verzani
A Class Of Extreme X-Harmonic Functions, John Verzani
Communications on Stochastic Analysis
No abstract provided.
Interacting Fock Space Versus Full Fock Module, Luigi Accardi, Michael Skeide
Interacting Fock Space Versus Full Fock Module, Luigi Accardi, Michael Skeide
Communications on Stochastic Analysis
No abstract provided.
Distribution And Propagation Properties Of Superprocesses With General Branching Mechanisms, Zenghu Li, Xiaowen Zhou
Distribution And Propagation Properties Of Superprocesses With General Branching Mechanisms, Zenghu Li, Xiaowen Zhou
Communications on Stochastic Analysis
No abstract provided.
Tinytermite: A Secure Routing Algorithm, Joshua Lewis Patterson
Tinytermite: A Secure Routing Algorithm, Joshua Lewis Patterson
Masters Theses and Doctoral Dissertations
In this thesis, we introduce TinyTermite. TinyTermite is a novel probabilistic routing algorithm that is secure against selective forwarding and replay attacks. We use suspicion pheromone to build a flexible map of possible compromised neighbors. As suspicion builds up and decays for each neighbor, TinyTermite is able to deal with uncertain stimulus and react properly. TinyTermite is fully implemented on TinyOS based Intel Mote 2 platform and the experiments were done to compare its performance with that of the traditional Termite algorithm. The experimental results show that TinyTermite is significantly more secure against replay and sinkhole attacks by lowering the …
The Vascular Flora Of The North Chickamauga Creek Gorge State Natural Area, Hamilton & Sequatchie Counties, Tennessee, Stacy D. Huskins
The Vascular Flora Of The North Chickamauga Creek Gorge State Natural Area, Hamilton & Sequatchie Counties, Tennessee, Stacy D. Huskins
Masters Theses and Doctoral Dissertations
The vascular flora of the North Chickamauga Creek Gorge State Natural Area (NCCG) was studied during three growing seasons from 2006 to 2008. NCCG is located in Hamilton and Sequatchie counties, Tennessee, on the eastern edge of the Cumberland Plateau. Within the study area are 2,862 hectares of eastern deciduous forest that contain 12 distinct habitat types. A survey of these habitat types over three growing seasons yielded 110 families, 329 genera, and 604 species or lesser taxa, including 238 county records. Seventy-six introduced species were found, comprising 12% of the total flora. Eleven species with either a state or …
A Holistic Scada Security Standard For The Australian Context, Christopher Beggs
A Holistic Scada Security Standard For The Australian Context, Christopher Beggs
Australian Information Warfare and Security Conference
Supervisory Control and Data Acquisition (SCADA) systems which control Australia’s critical infrastructure are currently demonstrating signs of vulnerabilities as they are being interconnected to corporate networks, essentially exposing them to malicious threats. This paper discusses the vulnerabilities associated with SCADA systems, as well as discussing various SCADA standards and initiatives that have been developed in recent years to mitigate such threats. The paper presents the requirement for a holistic SCADA security standard that is practical and feasible for each SCADA industry sector.
Visualisation Of Critical Infrastructure Failure, W D. Wilde, M J. Warren
Visualisation Of Critical Infrastructure Failure, W D. Wilde, M J. Warren
Australian Information Warfare and Security Conference
The paper explores the complexity of critical infrastructure and critical infrastructure failure (CIF), real life examples are used to discuss the complexity involved. The paper then discusses what Visualisation is and how Visualisation can be applied to a security situation, in particular critical infrastructure. The paper concludes by discussing the future direction of the research.
Media, Government And Manipulation: The Cases Of The Two Gulf Wars, William Hutchinson
Media, Government And Manipulation: The Cases Of The Two Gulf Wars, William Hutchinson
Australian Information Warfare and Security Conference
This paper explores the bias and manipulation of the Western mass media during the Gulf wars of 1991 and 2003. The tactics of compliance and the ethics of the press and journalists are examined. The need for a pluralist press is extolled.
Inside Unlv, Diane Russell, Michelle Mouton, Mamie Peers, Shane Bevell
Inside Unlv, Diane Russell, Michelle Mouton, Mamie Peers, Shane Bevell
Inside UNLV
No abstract provided.
Synthesis Of A Dirhodium Tetraphosphine Catalyst And The Effect Of Various H2/Co Ratios On The Catalyst, Christina Joanne Sweeney
Synthesis Of A Dirhodium Tetraphosphine Catalyst And The Effect Of Various H2/Co Ratios On The Catalyst, Christina Joanne Sweeney
Honors Capstones
No abstract provided.
Locally Integrable Processes With Respect To Locally Additive Summable Processes, Oana Mocioalca
Locally Integrable Processes With Respect To Locally Additive Summable Processes, Oana Mocioalca
Communications on Stochastic Analysis
No abstract provided.
A Decomposition Of Multiple Wiener Integrals By The Lévy Process And Lévy Laplacian, Atsushi Ishikawa
A Decomposition Of Multiple Wiener Integrals By The Lévy Process And Lévy Laplacian, Atsushi Ishikawa
Communications on Stochastic Analysis
No abstract provided.