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Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

Acuta Enews February 2012 Vol. 41, No. 2 Feb 2012

Acuta Enews February 2012 Vol. 41, No. 2

ACUTA Newsletters

In this issue...

1 Seminar in Review & What's New

3 jeri Semer Volunteer Recognition Award j Upcoming Events

4 Single- vs. Multi-Vendor Approaches to UC

5 Harness Mobile Technology's Potential

6 lnfo Links

7 Board Report

7 Committee Corner

8 Member Benefit of the Month: Membership Directory

8 Thanks to Exhibitors & Sponsors welcome New Members

9 Check It Out


Trust Development In Swift Starting Action Teams: A Multilevel Framework, Jessica Wildman, Marissa Shuffler, Elizabeth Lazzara, Stephen Fiore, C. Shawn Burke, Eduardo Salas, Sena Garven Jan 2012

Trust Development In Swift Starting Action Teams: A Multilevel Framework, Jessica Wildman, Marissa Shuffler, Elizabeth Lazzara, Stephen Fiore, C. Shawn Burke, Eduardo Salas, Sena Garven

United States Army: Publications

Swift starting action teams (STATs) are increasingly prevalent in organizations, and the development of trust is often a critical issue for their effectiveness. However, current theory and research do not provide a clear picture regarding how trust toward the team (i.e., the team as the target) is developed in these settings. The primary contribution of this article is to present a theoretical framework describing how individual-level trust toward one’s team is developed in STAT contexts. This article integrates several existing trust theories into one comprehensive context-specific multilevel theory of how trust develops in STATs from cognitive, affective, behavioral, and contextual …


Acuta Enews January 2012 Vol. 41, No. 1 Jan 2012

Acuta Enews January 2012 Vol. 41, No. 1

ACUTA Newsletters

ln This lssue...

1 Board Approves Slate of Nominees

2 From the President: New Building Network Designs at BC............ .--.Joseph Harrington, Boston College

3 Nominate a Colleague for the ACUTA Ruth A Michalecki Leadership Award

4 Member Benefit of the Month: Monthly Newsletter Subscriptions

4 Today's ACUTA for Today's CIO ................. Keith Fowlkes, UVA Wise

5 ACUTA Webinar: The Challenges of Mobile Connectivity

5 Board Report............... Riny Ledgerwood, SDSU

6 Info Links.............. .....Randy Hayes, Univ. of Northern Iowa

7 How Transdisciplinarity Will Help Workers Thrive ...................James Fraleigh, Apollo Research Institute

8 Committee Corner

8 Thanks to Event Sponsors in 2011 …


Acuta Enews December 2011, Vol 40, No. 12 Dec 2011

Acuta Enews December 2011, Vol 40, No. 12

ACUTA Newsletters

In This lssue

Nominate a Colleague for ACUTA Ruth A. Michalecki Leadership Award

From ACUTA Headquarters: What's New?................ Corinne Hoch, Executive Director

Coping with the Next Ethernet, IEEE 802.3ba ......Gary Audin, Delphi, lnc.

View 6 Sessions from the Fall Seminar

Helping Young Professionals Get Professional Development....... Jana McDonald, Texas A&M

lnfo Links ............ Randy Hayes, Univ. of Northern lowa

Member Benefit of the Month: Free Webinars

Committee Corner

Board Report......... Riny Ledgerwood, SDSU

Thanks to our 201 1 Exhibitors

Welcome New Members

Check lt Out: Press Releases...Job Postings...RFls/RFPs...Special Deals!...Corporate Webinars


Ethnic Difference In Healthcare Delivery, Benny Mathew Varghese Dec 2011

Ethnic Difference In Healthcare Delivery, Benny Mathew Varghese

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

Quality in healthcare is a very important aspect; this is obtained when there is proper care provided to the patients without any discrimination. The healthcare system in the US can be improved in the fields of patient’s care, the amount of money spent and proper advice, if proper responsibilities are taken. Quality has been improving over the years, but the median by which there is an increase is too small. The other main factor is access to the healthcare system, which has over the year, has not progressed. Studies in healthcare quality should be conducted on a regular base, so …


Economic Analysis Of Continuous Monitoring Of Commercial Truck Tire Pressure Using Tire Pressure Monitoring Systems (Tpms) And Rfid Technologies, Afolabi A. Ogunwemimo Dec 2011

Economic Analysis Of Continuous Monitoring Of Commercial Truck Tire Pressure Using Tire Pressure Monitoring Systems (Tpms) And Rfid Technologies, Afolabi A. Ogunwemimo

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

The trucking industry is a major contributor to the US economy. By providing the essential services of transportation and distribution needed in today’s dynamic industry, the transportation industry has evolved into an integral player in various supply chains. The trucking industry is the largest transportation provider for other industries and employs 10.1 million workers in the United States (ATA, 2003).

This research is an analysis of the economic impact of maintaining proper air pressure in the tires of commercial trucks. Various studies have been carried out on understanding the relationship between tire pressure and fuel consumption (National Research Council, 2006). …


Electronic Monitoring Of Hand Hygiene Compliance In An Inpatient Hospital Setting, Christopher M. Masek Nov 2011

Electronic Monitoring Of Hand Hygiene Compliance In An Inpatient Hospital Setting, Christopher M. Masek

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

Proper hand hygiene is known to reduce hospital acquired infections. Currently the most widely accepted method used to measure hand hygiene compliance is through direct observation. This method often provides data that may not accurately represent true hand hygiene compliance due to such factors such as the Hawthorne Effect. Perhaps a better approach is to use counting devices to capture hand hygiene opportunities and activities. This thesis focuses on the measurement of hand hygiene activities of all individuals that either work or visit an inpatient medical ward including healthcare workers, patients and visitors at the patient’s bedside for non-isolation patients. …


Acuta Enews November 2011, Vol 40, No. 11 Nov 2011

Acuta Enews November 2011, Vol 40, No. 11

ACUTA Newsletters

ln This lssue

From the President: Higher Ed lT services Trending ......Joe Harrington, Boston College

Testing EAS System Nationwide

lnstitutional Excellence Award 2012: Dead time November 11

Nominate Now for 2012-2013 Board of Directors

FREE ACUTA Webinar: DAS Deployment, Options, Contracts, and Regulation

Cellular signal Boosters............ J.G. Harrington, Dow Lohnes, PLLC

Cell Phone Recycling.................Chris lrion, e-Cycle

lnfo Links ........... Randy Hayes, Univ. of Northern lowa

Committee Corner

Recharge at the Kiosk

Board Report.......... Riny Ledgewood, SDSU

Member Benefit of the Month: Member Logos

Thanks to Exhibitors and Sponsors at Fall Seminar

A University in your pocket: Education and Mobile Devices …


Acuta Enews October 2011, Vol 40, No. 10 Oct 2011

Acuta Enews October 2011, Vol 40, No. 10

ACUTA Newsletters

ln This lssue

Nominate Now for 2012-2013 Board of Directors

Corinne Hoch Named Executive Director

Define Your Expectations to Vendors ......Ron Walczak, Walczak Technology Consultants

Additional Guidance on Taxation of Employer-Provided Cell Phones.......Michael Hepburn, Dow Lohnes

Institutional Excellence Award 2012

From ACUTA Headquarters: Looking Back to the Future.......... Corinne Hoch, Executive Director

Board Report.......... Riny Ledgerwood, SDSU

lnfo Links .,......... .. Randy Hoyes, Univ. of Northern lowa

Committee Corner

Get Your Logos Here!

Documenting the Worth of an lT Degree

Member Benefit of the Month: ACUTA Community

Welcome New Members

Check lt Out: Press Releases...Job Postings...RFls/RFPs...Special Deals!...Corporate Webinars


Acuta Enews September 2011, Vol 40, No. 9 Sep 2011

Acuta Enews September 2011, Vol 40, No. 9

ACUTA Newsletters

ln This lssue

Hurricane lrene Takes Top Priority for Some

From the President: ACUTA: A Career Development Program Joe Harrington, Boston College

To Attract Top lT Talent, Understand Graduates' Needs

You Don't Have to Be Young to Be "Young"............. Emily Harris, Vassar College

Add Names from Your Campus to Your ACUTA Roster

Freed-Hardeman Students Develop iPhone App

Announcing member Benefit of the Month

lnfo Links ..........Randy Hayes, Univ. of Northern lowa

Retirement

Committee Corner

ACUTA Fall Seminar in Boston

ACUTA Webinar: Transitioning to lPv6 on Your Campus

Board Report..................Riny Ledgerwood, San Diego state univ

Welcome New Members

Check lt Out: …


Acuta Enews August 2011, Vol 40, No. 8 Aug 2011

Acuta Enews August 2011, Vol 40, No. 8

ACUTA Newsletters

ln This lssue

From ACUTA Headquarters.......... Corinne Hoch, lnterim Executive Director

Hosted/Cloud Provider Checklist .Gary Audin, Delphi, lnc.

ACUTA Webinar: Transitioning to lPv6 on Your Campus

Connecting in the Digital Age............. . Buck Bayliff, PCR

Campus Tech a Top Factor in College Selection and Perceived Career Success

lnfo Links ........... .. Randy Hayes, Univ. of Northern lowa

View 8 Sessions from the Summer Seminar at Your Desktop

Come to Boston!

Board Report......... Riny Ledgerwood, SDSU

Welcome New Members

Check lt Out: press Releases...Job Postings.,.RFls/RFPs...Special Deals!...Corporate Webinars


Influence Of Process Parameters On Health Outcome, Vijaya K. Musunuru Aug 2011

Influence Of Process Parameters On Health Outcome, Vijaya K. Musunuru

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

In the recent years, healthcare organizations have realized that quality in providing service is critical for their survival in this competitive world. This increased attention to service quality has forced many health care providers to reevaluate their systems to stay in business. The main purpose of this study is to test the hypothesis “Process Quality predicts the Product quality (patient satisfaction) in the healthcare domain”. The objective of this study was three- fold. The first objective is to analyze historical data both on patient satisfaction and on provider attributes to yield process parameters for a particular area in a hospital. …


Investigation Of Rfid Readability For License Plates In Static And Motion Testing, Srinivasan Venkatesan Jul 2011

Investigation Of Rfid Readability For License Plates In Static And Motion Testing, Srinivasan Venkatesan

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

The most important function of RFID in vehicle tracking is to store information concerning tagged elements in order to improve the overall performance of movable asset management. There is a need to discover an RFID system for the tracking of vehicles, as existing vehicle tracking systems are undependable. Experiments were performed with SIRIT, SAVI, and RF code RFID systems under differing conditions, attaching the tag to the license plate instead of the windshield. Different spacers were also tested to reduce the effect of metal surfaces on RFID signals.

Preliminary experiments were performed before stationary and motion testing in order to …


Integration Of A Real Option Of An Environmental Project, Qi Yang Jul 2011

Integration Of A Real Option Of An Environmental Project, Qi Yang

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

This thesis explores a problem of how to evaluate environmental projects under the Carbon Cap-and-Trade Scheme (CCTS) from the perspective of an individual firm. The focus is the integration of a real option approach for project investment timing and financial carbon option approach for carbon credit management. The real option is for a mid or long term decision on when to invest on the environmental project, and the financial option is for a supplementary decision to hedge short-term residue risks. Two uncertainties (the carbon price and carbon credit demand) are considered, and their changes are represented by a lattice of …


Acuta Enews July 2011, Vol 40, No. 7 Jul 2011

Acuta Enews July 2011, Vol 40, No. 7

ACUTA Newsletters

ln This lssue

From the President: The "T" in ACUTA....... Joe Harrington, Boston College

Second Dues lnvoices Mailed

The Daily Grind: What's on Your Desk Today?.......... Mona Brennan-Cotes, Univ. of Western Ontario

Calling All Young Professionals Amy Burton, ACUTA Mgr., Membership Mkt. & Corp. Relations

"The Future of Voice Communications": Winter Journal Looking for Articles

Board Report..................Riny Ledgerwood, San Diego State Univ.

Share Your RFIs/RFPs

Good Question on the ACUTA Listserv

lnfo Links ......... Randy Hayes, Univ. of Northern lowa

Disaster Recovery Requires Lots of What-lfs.................... Gary Audin, Delphi, lnc.

ACUTA Fall Seminar in Boston

ACUTA Webinar: Transitioning to lPv6 …


A Study On Facility Planning Using Discrete Event Simulation: Case Study Of A Grain Delivery Terminal, Sarah M. Asio Jul 2011

A Study On Facility Planning Using Discrete Event Simulation: Case Study Of A Grain Delivery Terminal, Sarah M. Asio

Department of Industrial and Management Systems Engineering: Dissertations, Theses, and Student Research

The application of traditional approaches to the design of efficient facilities can be tedious and time consuming when uncertainty and a number of constraints exist. Queuing models and mathematical programming techniques are not able to capture the complex interaction between resources, the environment and space constraints for dynamic stochastic processes. In the following study discrete event simulation is applied to the facility planning process for a grain delivery terminal. The discrete event simulation approach has been applied to studies such as capacity planning and facility layout for a gasoline station and evaluating the resource requirements for a manufacturing facility. To …


Acuta Enews June 2011, Vol 40, No. 6 Jun 2011

Acuta Enews June 2011, Vol 40, No. 6

ACUTA Newsletters

ln This lssue

From ACUTA Headquarters........ Corinne Hoch, lnterim Executive Director

Voice and Data Networks Weather the Storms at Sewanee.......Jeanne Jansenius, Univ. of the South

Announcing New ACUTA Online forums

CUPA Salary Survey Results

From the ACUTA Community Listserv: VolP lssues

lnfo Links ............ Randy Hayes, Univ. of Northern lowa

Board Report......... Riny Ledgerwad, SDSU

lT's Funny!

Come to Baltimore! Emerging ICT Technologies, Funding ICT Services, and more

View 8 Sessions from the Annual Conference at Your Desktop

Welcome New Members

Check lt Out: Press Releases...Job Postings...RFls/RFPs...Special Deals!...Corporate Webinars


Acuta Enews May 2011, Vol 40, No. 5 May 2011

Acuta Enews May 2011, Vol 40, No. 5

ACUTA Newsletters

ln This lssue

Corinne Hoch Appointed lnterim Executive Director

From the President: Priorities for 2011-2012 ..............Joe Harrington, Boston College

Donations in memory of Jeri Semer

ACUTA: Getting Personal............................ Jeffry Handat, LSU

View 8 Sessions from the Annual Conference at Your Desktop

Why ACUTA Remains Vital

lT's Funny!

lnfo Links ........... .. Randy Hoyes, Univ. of Northern lowa

Annual Dues lnvoices Mailed May 2

The Daily Grind: What's on Your Desk Today? ....., Jeanne Jansenius, Sewanee, University of the South

Board Report........ George Denbow, Univ. of Texas, Austin

Another Great conference, More Terrific Prizes!

Thanks to Exhibiton and Sponsors at Annual …


Grain Refinement Vs. Crystallographic Texture: Mechanical Anisotropy In A Magnesium Alloy, D. C. Foley, M. Al-Maharbi, K. T. Hartwig, I. Karaman, L. J. Kecskes, S. N. Mathaudhu Apr 2011

Grain Refinement Vs. Crystallographic Texture: Mechanical Anisotropy In A Magnesium Alloy, D. C. Foley, M. Al-Maharbi, K. T. Hartwig, I. Karaman, L. J. Kecskes, S. N. Mathaudhu

United States Army: Publications

A magnesium alloy was subjected to severe plastic deformation via an unconventional equal channel angular extrusion route at decreasing temperatures. This method facilitates incremental grain refinement and enhances formability by activating dynamic recrystallization in the initial steps and suppressing deformation twinning. Compression experiments in three orthogonal directions demonstrated high strength levels in the processed sample, up to 350 MPa in yield and 500 MPa in ultimate strengths. Notable flow stress anisotropy is correlated with the processing texture and microstructure.


Acuta Enews April 2011 Vol. 40, No. 4 Apr 2011

Acuta Enews April 2011 Vol. 40, No. 4

ACUTA Newsletters

ln This lssue

Remembering Jeri Semer

From the President: 2010-2011 in Review............... Matt Arthur, Washington University in St. Louis

ResNet Tips............ Charles Brody, Apogee

lT's Funny!

The Daily Grind: What's on Your Desk Today?......... Riny Ledgerwood, SDSU

Board Report......... George Denbow, Univ. Texas, Austin

When Did We Last Try This?... ..............Gary Audin, Delphi Inc.

View 8 Sessions from the Annual Conference at Your Desktop

ACUTA 2011 Event Calendar

lnfo Links ....... Rondy Hayes, Univ. of Northern lowa

Welcome New Members

Check lt Out: Press Releases...Job Postings...RFls/RFPs...Special Deals!...Corporate Webinars


Acuta Enews March 2011 Vol. 40, No. 3 Mar 2011

Acuta Enews March 2011 Vol. 40, No. 3

ACUTA Newsletters

ln This lssue

Meet the Board for 2011-12

Tech Talk: Take Two Tablets and Catt Me in the Morning.......... Kevin Tanzillo, Dux PR

Free Webinars Coming Soon to ACUTA

Learn More about UC, Voice Trends, the Cloud, and More from Your Desktop

From ACUTA Headquarters: Member Years of Service ,Jeri A. Semer, CAE, Executive Dir

Board Report......... George Denbow, univ. of Texas, Austin

New to ICT or Not, ACUTA Members Are All Busy!........... Young Professionals Subcommittee

lT's Funny!

lnfo Links ........... .. Randy Hayes, Univ' of Northern lowa

ACUTA 2011 Event Calendar

Welcome New Members

Check lt Out: Press Releases...Job …


Acuta Enews February 2011 Vol. 40, No. 2 Feb 2011

Acuta Enews February 2011 Vol. 40, No. 2

ACUTA Newsletters

ln This lssue

From the President........Matt Arthur, Washington Univ. in St. Louis, ACUTA President

Security Snapshot: Texas A&M

Tech Talk: Maybe They Should Call it Copper Peak................... Kevin Tanzillo, Dux PR

Important lssues on Campus Today

Handling Air Travel Frustrations

lT's Funny.............Cartoon Resource

Lightning Round: New at the Conference

Webinar: The Future of the PBX in a University Environment

Learn More about UC, Voice Trends, the Cloud, and More from Your Desktop

Board Report....... George Denbow, Univ. of Texas, Austin

Thanks to Journal Advertisers for 2010

Thanks to Exhibitors and Sponsors at Winter Seminar

lnfo Links ............ Randy Hayes, Univ. …


Eating Rate During A Fixed-Portion Meal Does Not Affect Postprandial Appetite And Gut Peptides Or Energy Intake During A Subsequent Meal, J. Phillip Karl, Andrew J. Young, Scott J. Montain Jan 2011

Eating Rate During A Fixed-Portion Meal Does Not Affect Postprandial Appetite And Gut Peptides Or Energy Intake During A Subsequent Meal, J. Phillip Karl, Andrew J. Young, Scott J. Montain

United States Army: Publications

Eating rate has recently been shown to influence energy intake and appetite during an ad libitummeal, and alter postprandial secretion of glucagon-like peptide-1 (GLP-1) and peptide-YY (PYY) following a fixed-portionmeal. Whether these effects influence satiety, as measured by energy intake at the subsequent meal, is unclear. We manipulated eating rate during a fixed-portion meal in order to examine how eating behavior and associated periprandial and postprandial responses of putative endocrine mediators of appetite would affect energy intake at the following meal in fifteen non-obese (BMI ≥ 25 kg/m²) and ten obese (BMI ≥ 30 kg/m²) healthy adult men and …


Effects Of Gage Length, Loading Rates, And Damage On The Strength Of Ppta Fibers, Jaeyoung Lim, James Q. Zheng, Karl Masters, Weinong W. Chen Jan 2011

Effects Of Gage Length, Loading Rates, And Damage On The Strength Of Ppta Fibers, Jaeyoung Lim, James Q. Zheng, Karl Masters, Weinong W. Chen

United States Army: Publications

Axial tension and transverse compression experiments on single fibers were performed to investigate the mechanical behavior of three high-performance fibers (Kevlar ®, Kevlar ® 129, and Twaron ®) with diameters in the order of 9-12 μm. The single fibers were manufactured from 1998 through 2008. A miniaturized tensile Kolsky bar was used to determine the tensile response of PPTA single fibers at a high strain rate. Gage length and strain rate were found to have minimum effects on the tensile strength of PPTA single fibers. Manufacturing time over a decade was found to have negligible effects on the tensile strength …


Recombinant Paraoxonase 1 Protects Against Sarin And Soman Toxicity Following Microinstillation Inhalation Exposure In Guinea Pigs, Manojkumar Valiyaveettil, Yonas Alamneh, Peter Rezk, Michael W. Perkins, Alfred M. Sciuto, Bhupendra P. Doctor, Madhusoodana P. Nambiar Jan 2011

Recombinant Paraoxonase 1 Protects Against Sarin And Soman Toxicity Following Microinstillation Inhalation Exposure In Guinea Pigs, Manojkumar Valiyaveettil, Yonas Alamneh, Peter Rezk, Michael W. Perkins, Alfred M. Sciuto, Bhupendra P. Doctor, Madhusoodana P. Nambiar

United States Army: Publications

To explore the efficacy of paraoxonase 1 (PON1) as a catalytic bioscavenger, we evaluated human recombinant PON1 (rePON1) expressed in Trichoplusia ni larvae against sarin and soman toxicity using microinstillation inhalation exposure in guinea pigs. Animals were pretreated intravenously with catalytically active rePON1, followed by exposure to 1.2 X LCt50 sarin or soman. Administration of 5 units of rePON1 showed mild increase in the blood activity of the enzyme after 30 min, but protected the animals with a significant increase in survival rate along with minimal signs of nerve agent toxicity. Recombinant PON1 pretreated animals exposed to sarin or …


The Utility Of Shewanella Japonica For Microbial Fuel Cells, Justin C. Biffinger, Lisa A. Fitzgerald, Ricky Ray, Brenda J. Little, Stephen E. Lizewski, Emily R. Petersen, Bradley R. Ringeisen, Wesley C. Sanders, Paul E. Sheehan, Jeremy J. Pietron, Jeffrey W. Baldwin, Lloyd J. Nadeau, Glenn R. Johnson, Meghann Ribbens, Steven E. Finkel, Kenneth H. Nealson Jan 2011

The Utility Of Shewanella Japonica For Microbial Fuel Cells, Justin C. Biffinger, Lisa A. Fitzgerald, Ricky Ray, Brenda J. Little, Stephen E. Lizewski, Emily R. Petersen, Bradley R. Ringeisen, Wesley C. Sanders, Paul E. Sheehan, Jeremy J. Pietron, Jeffrey W. Baldwin, Lloyd J. Nadeau, Glenn R. Johnson, Meghann Ribbens, Steven E. Finkel, Kenneth H. Nealson

United States Navy: Publications

Shewanella-containing microbial fuel cells (MFCs) typically use the fresh water wild-type strain Shewanella oneidensis MR-1 due to its metabolic diversity and facultative oxidant tolerance. However, S. oneidensis MR-1 is not capable of metabolizing polysaccharides for extracellular electron transfer. The applicability of Shewanella japonica (an agar-lytic Shewanella strain) for power applications was analyzed using a diverse array of carbon sources for current generation from MFCs, cellular physiological responses at an electrode surface, biofilm formation, and the presence of soluble extracellular mediators for electron transfer to carbon electrodes. Critically, air-exposed S. japonica utilizes biosynthesized extracellular mediators for electron transfer to carbon …


Investigation Of Electrical Transport In Hydrogenated Multiwalled Carbon Nanotubes, Adam L. Friedman, Hyunkyung Chun, Don Heiman, Yung Joon Jung, Latika Menon Jan 2011

Investigation Of Electrical Transport In Hydrogenated Multiwalled Carbon Nanotubes, Adam L. Friedman, Hyunkyung Chun, Don Heiman, Yung Joon Jung, Latika Menon

United States Navy: Publications

Highly disordered multiwalled carbon nanotubes of large outer diameter (~60 nm) fabricated by means of chemical vapor deposition process inside porous alumina templates exhibit ferromagnetism when annealed in a H2/Ar atmosphere. In the presence of an applied magnetic field, there is a transition from positive to negative magnetoresistance. The transition may be explained in terms of the Bright model for ordered and disordered carbon structures. Additionally, temperature dependent electrical transport experiments exhibit a zero-bias anomaly at low temperature.


Derivation Radical Subspace Arrangements, Will Taves, Max Wakefield Jan 2011

Derivation Radical Subspace Arrangements, Will Taves, Max Wakefield

United States Navy: Publications

In this note we study modules of derivations on collections of linear subspaces in a finite dimensional vector space. The central aim is to generalize the notion of freeness from hyperplane arrangements to subspace arrangements. We call this generalization ‘derivation radical’. We classify all coordinate subspace arrangements that are derivation radical and show that certain subspace arrangements of the Braid arrangement are derivation radical. We conclude by proving that under an algebraic condition the subspace arrangement consisting of all codimension c intersections, where c is fixed, of a free hyperplane arrangement are derivation radical.


Bedside Method To Estimate Actual Body Weight In The Emergency Department, Robert G. Buckley, Christine R. Stehman, Frank L. Dos Santos, Robert H. Riggenburgh, Aaron Swenson, Nathan Mjos, Matt Brewer, Sheila Mulligan Jan 2011

Bedside Method To Estimate Actual Body Weight In The Emergency Department, Robert G. Buckley, Christine R. Stehman, Frank L. Dos Santos, Robert H. Riggenburgh, Aaron Swenson, Nathan Mjos, Matt Brewer, Sheila Mulligan

United States Navy: Publications

Background:

Actual body weight (ABW) is important for accurate drug dosing in emergency settings. Oftentimes, patients are unable to stand to be weighed accurately or clearly state their most recent weight.

Objective:

Develop a bedside method to estimate ABW using simple anthropometric measurements.

Methods:

Prospective, blinded, cross-sectional convenience sampling of adult Emergency Department (ED) patients. A multiple linear regression equation from Derivation Phase (n = 208: 121 males, 87 females) found abdominal and thigh circumferences (AC and TC) had the best fit and an inter-rater correlation of 0.99 and 0.96, respectively: Male ABW (kg) = -47.8 + 0.78 * (AC) …


Relationship Of Surface Changes To Metal Leaching From Tungsten Composite Shot Exposed To Three Different Soil Types, Deborah Felt, Steven Larson, Chris Griggs, Catherine Nestler, Michelle Wynter Jan 2011

Relationship Of Surface Changes To Metal Leaching From Tungsten Composite Shot Exposed To Three Different Soil Types, Deborah Felt, Steven Larson, Chris Griggs, Catherine Nestler, Michelle Wynter

United States Army: Publications

Physical changes that occur on the surface of fired shots due to firing and impact with soil may increase the dissolution of muniton metals. Increased metal dissolution could potentially increase metal transport and leaching, affecting metal concentrations in surface and groundwater. This research describes the relationship between the surface changes on fired tungsten–nickel–iron (94% W:2% Ni:4% Fe) composite shots and metals leaching from those shots. Tungsten composite shot was fired into, and aged in, three soil types (Silty Sand, Sandy Clay, and Silt) in mesoscale rainfall lysimeters to simulate live-fire conditions and subsequent interactions between the metals of the composite …