Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

2008

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 1051 - 1080 of 13174

Full-Text Articles in Entire DC Network

Interview With Professor Said Sheikh Samatar, Ahmed I. Samatar Nov 2008

Interview With Professor Said Sheikh Samatar, Ahmed I. Samatar

Bildhaan: An International Journal of Somali Studies

No abstract provided.


The Cord Weekly (November 12, 2008) Nov 2008

The Cord Weekly (November 12, 2008)

The Cord

No abstract provided.


The Cord Weekly (November 12, 2008) Nov 2008

The Cord Weekly (November 12, 2008)

The Cord

No abstract provided.


The Register, 2008-11-12, North Carolina Agricutural And Technical State University Nov 2008

The Register, 2008-11-12, North Carolina Agricutural And Technical State University

NCAT Student Newspapers

No abstract provided.


A New Class Of Rank Tests For Interval-Censored Data, Guadalupe Gomez, Ramon Oller Pique Nov 2008

A New Class Of Rank Tests For Interval-Censored Data, Guadalupe Gomez, Ramon Oller Pique

Harvard University Biostatistics Working Paper Series

No abstract provided.


The Highest Confidence Density Region And Its Usage For Inferences About The Survival Function With Censored Data, Lu Tian, Rui Wang, Tianxi Cai, L. J. Wei Nov 2008

The Highest Confidence Density Region And Its Usage For Inferences About The Survival Function With Censored Data, Lu Tian, Rui Wang, Tianxi Cai, L. J. Wei

Harvard University Biostatistics Working Paper Series

No abstract provided.


Nov. 12, 2008 Cal Poly Report, Public Affairs Office Nov 2008

Nov. 12, 2008 Cal Poly Report, Public Affairs Office

Cal Poly Report

No abstract provided.


College Voice Vol. 33 No. 8, Connecticut College. Nov 2008

College Voice Vol. 33 No. 8, Connecticut College.

2008-2009

No abstract provided.


Modeling Of Spin Metal-Oxide-Semiconductor Field-Effect Transistor: A Nonequilibrium Green’S Function Approach With Spin Relaxation, Tony Low, Mark Lundstrom, Dmitri Nikonov Nov 2008

Modeling Of Spin Metal-Oxide-Semiconductor Field-Effect Transistor: A Nonequilibrium Green’S Function Approach With Spin Relaxation, Tony Low, Mark Lundstrom, Dmitri Nikonov

Birck and NCN Publications

A spin metal-oxide-semiconductor field-effect transistor (spin MOSFET), which combines a Schottky-barrier MOSFET with ferromagnetic source and drain contacts, is a promising device for spintronic logic. Previous simulation studies predict that this device should display a very high magnetoresistance (MR) ratio (between the cases of parallel and antiparallel magnetizations) for the case of half-metal ferromagnets (HMF). We use the nonequilibrium Green’s function formalism to describe tunneling and carrier transport in this device and to incorporate spin relaxation at the HMF-semiconductor interfaces. Spin relaxation at interfaces results in nonideal spin injection. Minority spin currents arise and dominate the leakage current for antiparallel …


Transcriptome Analysis Identifies Novel Responses And Potential Regulatory Genes Involved In Seasonal Dormancy Transitions Of Leafy Spurge (Euphorbia Esula L.), David P. Horvath, Wun S. Chao, Jeffrey C. Suttle, Jyothi Thimmapuram, James V. Anderson Nov 2008

Transcriptome Analysis Identifies Novel Responses And Potential Regulatory Genes Involved In Seasonal Dormancy Transitions Of Leafy Spurge (Euphorbia Esula L.), David P. Horvath, Wun S. Chao, Jeffrey C. Suttle, Jyothi Thimmapuram, James V. Anderson

Cyber Center Publications

Dormancy of buds is a critical developmental process that allows perennial plants to survive extreme seasonal variations in climate. Dormancy transitions in underground crown buds of the model herbaceous perennial weed leafy spurge were investigated using a 23 K element cDNA microarray. These data represent the first large-scale transcriptome analysis of dormancy in underground buds of an herbaceous perennial species. Crown buds collected monthly from August through December, over a five year period, were used to monitor the changes in the transcriptome during dormancy transitions.


Places In China To Experience, Rachel Hatch Nov 2008

Places In China To Experience, Rachel Hatch

News and Events (Discontinued Series)

No abstract provided.


Curriculum Minutes 11/12/2008, Curriculum Committee Nov 2008

Curriculum Minutes 11/12/2008, Curriculum Committee

Curriculum Committee Minutes

No abstract provided.


Volume 46, Number 13: November 12, 2008, University Of North Dakota Nov 2008

Volume 46, Number 13: November 12, 2008, University Of North Dakota

University Letter Archive

No abstract provided.


Change-Point Problem And Regression: An Annotated Bibliography, Ahmad Khodadadi, Masoud Asgharian Nov 2008

Change-Point Problem And Regression: An Annotated Bibliography, Ahmad Khodadadi, Masoud Asgharian

COBRA Preprint Series

The problems of identifying changes at unknown times and of estimating the location of changes in stochastic processes are referred to as "the change-point problem" or, in the Eastern literature, as "disorder".

The change-point problem, first introduced in the quality control context, has since developed into a fundamental problem in the areas of statistical control theory, stationarity of a stochastic process, estimation of the current position of a time series, testing and estimation of change in the patterns of a regression model, and most recently in the comparison and matching of DNA sequences in microarray data analysis.

Numerous methodological approaches …


The Effects Of A Networked Data Acquisition System On Student Learning In General Chemistry Laboratories, Stuart C. Burris, Les L. Pesterfield, Darwin Dahl, Hasan Palandoken, Jacqueline Pope-Tarrence Nov 2008

The Effects Of A Networked Data Acquisition System On Student Learning In General Chemistry Laboratories, Stuart C. Burris, Les L. Pesterfield, Darwin Dahl, Hasan Palandoken, Jacqueline Pope-Tarrence

Chemistry and Biochemistry

We have recently incorporated a networked data acquisition and analysis system into in our second semester general chemistry laboratories. Our investigation team has conducted a study to evaluate the effects of the networked data acquisition system on student performance on a Beer's Law laboratory. We focused on two specific phenomena: the effect of the networked data acquisition system on 1) student learning of specific content material and 2) student comfort level with laboratory work and data analysis. The study involved a networked data acquisition group (employing a UV-Vis spectrometer and colorimeters) and a control group (employing traditional, single wavelength spectrometers). …


The Guardian, November 12, 2008, Wright State University Student Body Nov 2008

The Guardian, November 12, 2008, Wright State University Student Body

The Guardian Student Newspaper

Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.


The Grothendieck Property For Injective Tensor Products, Qingying Bu Nov 2008

The Grothendieck Property For Injective Tensor Products, Qingying Bu

Analysis Seminar

Let �� ⊗ �� denote the injective tensor product of Banach spaces �� and ��. (a) Suppose that either �� or �� has the Radon-Nikodym property and that either ��** or ��** has the approximation property. If both �� and �� have the Grothendieck property and each continuous linear operator from ��* to ��** is compact, then �� ⊗ �� has the Grothendieck property. (b) Suppose that �� is a reflexive space with an unconditional finite-dimensional decomposition and �� has the Grothendieck property. Then �� ⊗ �� has the Grothendieck property if and only if each continuous linear operator from …


Antiphase Ordering And Surface Phases In Lithium Aluminate, Richard R. Vanfleet, J. A. Simmons, D. W. Hill, M. M. C. Chou, B. H. Chai Nov 2008

Antiphase Ordering And Surface Phases In Lithium Aluminate, Richard R. Vanfleet, J. A. Simmons, D. W. Hill, M. M. C. Chou, B. H. Chai

Faculty Publications

Antiphase domains are seen in single crystal gamma lithium aluminate (gamma-LiAlO2) with 16.7 nm periodicity in the <110> direction. Alternate domains have a (1/2) [001] shift. Beta phase lithium aluminate (beta-LiAlO2) is seen to form on the surface of the as-received wafers with an epitaxial strain limited relationship with the bulk gamma phase. The orthorhombic beta phase aligns with the a and b axes (0.528 and 0.630 nm) matching with the tetragonal gamma phase's a and c axes (0.5168 and 0.6268 nm). The gamma and beta phases are seen to have different etch rates. The beta phase converts back to the …


Ocean Literacy And Reasoning About Ocean Issues: The Influence Of Content, Experience And Morality, Teresa Greely Nov 2008

Ocean Literacy And Reasoning About Ocean Issues: The Influence Of Content, Experience And Morality, Teresa Greely

USF Tampa Graduate Theses and Dissertations

Ocean issues with conceptual ties to science and a global society have captured the attention, imagination, and concern of an international audience. Climate change, over fishing, marine pollution, freshwater shortages and alternative energy sources are a few ocean issues highlighted in our media and casual conversations. From the life-giving rain that nourishes crops and our bodies, to life-saving medicines; from the fish that come from the ocean, to the goods that are transported on the sea's surface-the ocean plays a role in our life in some way every day (NOAA, 1998). However, a disconnect exists between what scientists know and …


Peirce On The Passions: The Role Of Instinct, Emotion, And Sentiment In Inquiry And Action, Robert J. Beeson Nov 2008

Peirce On The Passions: The Role Of Instinct, Emotion, And Sentiment In Inquiry And Action, Robert J. Beeson

USF Tampa Graduate Theses and Dissertations

One of the least explored areas of C.S. Peirce's wide range of work is his contributions to psychology and the philosophy of mind. This dissertation examines the corpus of this work, especially as it relates to the subjects of mind, habit, instinct, sentiment, emotion, perception, consciousness, cognition, and community. The argument is that Peirce's contributions to these areas of investigation were both highly original and heavily influenced by the main intellectual currents of his time.

An effort has been made to present Peirce's philosophy without apology, within the conceptual framework and idiom of its time, and without appeal to a …


The Bates Student - Volume 138 Number 08 - November 11, 2008, Bates College Nov 2008

The Bates Student - Volume 138 Number 08 - November 11, 2008, Bates College

The Bates Student

No abstract provided.


News Notes Of The Department Of Chemistry, 2008-15, Illinois State University, Department Of Chemistry Nov 2008

News Notes Of The Department Of Chemistry, 2008-15, Illinois State University, Department Of Chemistry

News Notes of the Department of Chemistry

Newsletter of the Illinois State University Department of Chemistry


Mathematics Student Teaching In Japan: A Multi-Case Study, Allison Turley Shwalb Nov 2008

Mathematics Student Teaching In Japan: A Multi-Case Study, Allison Turley Shwalb

Theses and Dissertations

Nearly all research that seeks to assist in reforming mathematics student teaching in the United States has been limited in that it (1) does not consider student teaching models in non-Western cultures, and (2) has not sufficiently studied the unique context of mathematics in student teacher-cooperating teacher interactions. This multi-case study addresses these issues by analyzing the interactions between three cooperating teachers and two student teachers in the mathematics student teaching setting in Japan. Four conclusions are presented to generate a coherent picture of the principles of teaching and learning to teach that are emphasized during this Japanese student teaching …


Investigating The Margins Of Pleistocene Lake Deposits With High-Resolution Seismic Reflection In Pilot Valley, Utah, John V. South Nov 2008

Investigating The Margins Of Pleistocene Lake Deposits With High-Resolution Seismic Reflection In Pilot Valley, Utah, John V. South

Theses and Dissertations

A vast area of the northeastern Great Basin of the western USA was inundated by a succession of Plio-Pleistocene lakes, including Lake Bonneville (28 ka to 12 ka). The Pilot Valley playa, located just east of the Utah-Nevada border near Wendover, Utah, within the eastern Basin and Range Province, represents an 8 to 16 km wide and ~50 km long remnant of these lakes. The playa corresponds to the upper surface of a closed basin that is delimited by two mountain ranges, which are mantled by recent alluvial fans over which the playa sediments have prograded. In order to investigate …


Phylotyping And Functional Analysis Of Two Ancient Human Microbiomes, Raúl Y. Tito, Simone Macmil, Graham Wiley, Fares Najar, Lauren Cleeland, Chunmei Qu, Ping Wang, Frederic Romagne, Sylvain Leonard, Agustín Jiménez Ruiz, Karl Reinhard, Bruce A. Roe, Cecil M. Lewis, Jr. Nov 2008

Phylotyping And Functional Analysis Of Two Ancient Human Microbiomes, Raúl Y. Tito, Simone Macmil, Graham Wiley, Fares Najar, Lauren Cleeland, Chunmei Qu, Ping Wang, Frederic Romagne, Sylvain Leonard, Agustín Jiménez Ruiz, Karl Reinhard, Bruce A. Roe, Cecil M. Lewis, Jr.

School of Natural Resources: Faculty Publications

Background: The Human Microbiome Project (HMP) is one of the U.S. National Institutes of Health Roadmap for Medical Research. Primary interests of the HMP include the distinctiveness of different gut microbiomes, the factors influencing microbiome diversity, and the functional redundancies of the members of human microbiotas. In this present work, we contribute to these interests by characterizing two extinct human microbiotas.

Methodology/Principal Findings: We examine two paleofecal samples originating from cave deposits in Durango Mexico and dating to approximately 1300 years ago. Contamination control is a serious issue in ancient DNA research; we use a novel approach to control contamination. …


Minutes November 10, 2008 Nov 2008

Minutes November 10, 2008

Minutes

No abstract provided.


Spectral Time Moment Analysis Of Microgel Deswelling: Effect Of The Heating Rate, Kiril A. Streletzky, John T. Mckenna Nov 2008

Spectral Time Moment Analysis Of Microgel Deswelling: Effect Of The Heating Rate, Kiril A. Streletzky, John T. Mckenna

Physics Faculty Publications

Microgel nanoparticles were synthesized in aqueous solutions of neutral polymer hydroxypropylcellulose (HPC) through the self-association of amphiphilic HPC molecules and the subsequent cross linking at room temperature. Dynamic Light Scattering was used to study the transport properties of HPC microgels below and above the volume phase transition. Highly nonexponential, multimodal microgel spectra were observed and successfully analyzed by spectral time moment analysis. This article expands earlier results and focuses on the effect of the heating rate on microgel deswelling. During the fast heating two identified microgel modes with apparent hydrodynamic radii (RH) of 25–30 nm and 400–650 nm collapse into …


A Locally Divergence-Free Interior Penalty Method For Two-Dimensional Curl-Curl Problems, Susanne C. Brenner, Fengyan Li, Li Yeng Sung Nov 2008

A Locally Divergence-Free Interior Penalty Method For Two-Dimensional Curl-Curl Problems, Susanne C. Brenner, Fengyan Li, Li Yeng Sung

Faculty Publications

An interior penalty method for certain two-dimensional curl-curl problems is investigated in this paper. This method computes the divergence-free part of the solution using locally divergence-free discontinuous P vector fields on graded meshes. It has optimal order convergence (up to an arbitrarily small e) for the source problem and the eigenproblem. Results of numerical experiments that corroborate the theoretical results are also presented. © 2008 Society for Industrial and Applied Mathematics. 1


Redshifted Absorption At He I Λ10830 As A Probe Of The Accretion Geometry Of T Tauri Stars, William Fischer, John Kwan, Suzan Edwards, Lynne A. Hillenbrand Nov 2008

Redshifted Absorption At He I Λ10830 As A Probe Of The Accretion Geometry Of T Tauri Stars, William Fischer, John Kwan, Suzan Edwards, Lynne A. Hillenbrand

Astronomy: Faculty Publications

We probe the geometry of magnetospheric accretion in classical T Tauri stars (CTTSs) by modeling red absorption at He I λ10830 via scattering of the stellar and veiling continua. Under the assumptions that the accretion flow is an azimuthally symmetric dipole and helium is sufficiently optically thick that all incident 1 μm radiation is scattered, we illustrate the sensitivity of He I λ10830 red absorption to both the size of the magnetosphere and the filling factor of the hot accretion shock. We compare model profiles to those observed in 21 CTTSs with subcontinuum redshifted absorption at He I λ10830 and …


Phase Diagram Of Su(2) With 2 Flavors Of Dynamical Adjoint Quarks, Simon Catterall, Joel Giedt, Francesco Sannino, Joe Schneible Nov 2008

Phase Diagram Of Su(2) With 2 Flavors Of Dynamical Adjoint Quarks, Simon Catterall, Joel Giedt, Francesco Sannino, Joe Schneible

Physics - All Scholarship

We report on numerical simulations of SU(2) lattice gauge theory with two flavors of light dynamical quarks in the adjoint of the gauge group. The dynamics of this theory is thought to be very different from QCD -- the theory exhibiting conformal or near conformal behavior in the infrared. We make a high resolution survey of the phase diagram of this model in the plane of the bare coupling and quark mass on lattices of size 8^3 \times 16. Our simulations reveal a line of first order phase transitions extending from beta=0 to beta=beta_c \sim 2.0. For beta > beta_c the …