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Conferences

Using Simulation To Assess The Effectiveness of Pallet Stacking Methods

November 19, 2010

Author(s)

Stephen B. Balakirsky, Frederick M. Proctor, Thomas R. Kramer, Pushkar Kolhe, Henrik I. Christensen

Stacking objects onto pallets is the most widely used method of bulk shipping, accounting for over 60% of the volume of goods shipped worldwide. Due in part to...

Effects of water quality parameters on the release of silver nanoparticles from a ceramic surface using a quartz crystal microbalance.

November 18, 2010

Author(s)

Michael Stewart, Angela R. Bielefeldt, Elisabeth Mansfield, R S. Summers, Joseph N. Ryan

Ceramic water filters are used in many developing countries as a household water treatment technology, often produced locally using regionally-available...

PUSH-BUTTON DISCRETE EVENT SIMULATION FOR ANALYSIS OF FACTORY FLOOR OPERATIONS

November 18, 2010

Author(s)

John L. Michaloski, Byeong Eon Lee, Frederick M. Proctor, Sid Venkatesh, Nils Bengtsson, Anders Skoogh, Benjamin Raverdy

In manufacturing, Discrete Event Simulation (DES) can be effectively used to model production and provide sustainability analysis of equipment and system...

An optical frequency comb for infrared spectrograph calibration

November 17, 2010

Author(s)

Gabriel G. Ycas, Franklyn J. Quinlan, Steve Osterman, Gillian Nave, Craig J. Sansonetti, Scott A. Diddams

Detection of extrasolar planets by measurement of the stellar radial velocity shift requires high resolution spectroscopy with long term stability. Presently...

Developing Coverage Analysis for IFC Files

November 16, 2010

Author(s)

Robert R. Lipman

Conformance and interoperability testing of product data exchange interfaces is essential to delivering reliable software implementations and meeting users...

Preliminary characterization study of a gold-coated concentrator for hemispherical longwave irradiance measurements

November 15, 2010

Author(s)

Jinan Zeng, Leonard M. Hanssen, Ibrahim Reda, Jonathan Scheuch

We report the preliminary characterization results of a gold-coated concentrator used for longwave irradiance measurements[1]. Throughput measurements of the...

Evaluation of a GPS Receiver for Code and Carrier-Phase Time and frequency Transfer

November 15, 2010

Author(s)

Victor S. Zhang, Michael A. Lombardi

We evaluate a dual-frequency, multi-channel GPS receiver for time and frequency transfer applications. The receiver is able to lock its internal clock to an...

On-Board GPS Clock Monitoring for Signal Integrity

November 15, 2010

Author(s)

Marc A. Weiss, Pradipta Shome, Ron Beard

Navigation signal integrity is paramount for aviation and safety of life services. Hitherto GPS signal anomaly alerting has been provided primarily by ground...

A Portable Rubidium Fountain

November 15, 2010

Author(s)

Paul D. Kunz, Steven R. Jefferts, Thomas P. Heavner

We are developing a transportable laser-cooled rubidium (Rb) atomic fountain frequency standard. Over the last year we have built the Ramsey cavity and rubidium...

NIST F1 and F2

November 15, 2010

Author(s)

Thomas P. Heavner, Thomas E. Parker, Jon H. Shirley, Paul D. Kunz, Steven R. Jefferts

The National Institute of Standards and Technology operates a cesium fountain primary frequency standard, NIST-F1, which has been contributing to International...

Image Classification of Vascular Smooth Muscle Cells

November 11, 2010

Author(s)

Michael Grasso, Ronil Mokashi , Alden A. Dima, Antonio Cardone, Kiran Bhadriraju, Anne L. Plant, Mary C. Brady, Yaacov Yesha, Yelena Yesha

The traditional method of cell microscopy can be subjective, due to observer variability, a lack of standardization, and a limited feature set. To address this...

Changing Environmental Regulations and the Electronics Industry

November 10, 2010

Author(s)

John V. Messina, Eric D. Simmon, Kevin G. Brady

In 2008, the European Union (EU) started a major review of its new class of environmental regulations with a broad review of the Restriction of Hazardous...

Ultra Low Dark-count-rate Up-conversion Single Photon Detector

November 7, 2010

Author(s)

Xiao Tang, Lijun Ma, Oliver T. Slattery

We have demonstrated an ultra low noise up-conversion single photon detector using a periodically poled lithium niobate waveguide. The dark count rate of this...

PERFORMANCE ASSESSMENTS INSIGHTS ON THE USE OF CEMENTS IN WASTE MANAGEMENT

November 7, 2010

Author(s)

David W. Esh, Jacob Philip, Kenneth A. Snyder

The use of cementitious materials has been proposed in a variety of waste management systems because these materials can have a variety of desirable performance...

Polymeric Gels Prepared from the Mixtures of Polar Polymers and Ionic Liquids for Thermally Remendable Coating Systems

November 7, 2010

Author(s)

Joonsung (. Yoon, Christopher Stafford

A new kind of physical gels was prepared using the mixtures of poly(vinyl alcohol) (PVOH) and high melting ionic liquid (IL), 1-ethylpyridinium bromide. As the...

An Introduction to the CFD Capabilities in CONTAM 3.0

November 4, 2010

Author(s)

Wang Liangzhu, William Stuart Dols, Qingyan Chen

MEMS Microhotplate Temperature Sensor BIST: Importance and Applications

November 3, 2010

Author(s)

Muhammad Y. Afridi, Jon C. Geist

This paper describe the importance of temperature sensor built-in self test (BIST) for microhotplate based sensors. It shows possible ways to implement BIST...

High precision, broadband optical measurements with fiber laser frequency combs

November 2, 2010

Author(s)

Nathan R. Newbury, Ian R. Coddington, Esther Baumann, Fabrizio R. Giorgetta, William C. Swann, Alexander M. Zolot

Optical frequency combs have been used extensively, and with remarkable success, to measure the absolute frequency of cw lasers. The use of frequency combs has...

Advancements in Development of an Ultra-Precision, SI-Traceable Nanoindentation Platform

November 2, 2010

Author(s)

Douglas T. Smith, Stuart T. Smith, Bartosz K. Nowakowski

This paper presents a discussion of the design features of a precision indentation platform for measuring indents with traceable uncertainties at the nanometer...

An Integrated PHY and MAC Layer Model for Half-Duplex IEEE 802.11 Networks

November 2, 2010

Author(s)

David W. Griffith, Michael R. Souryal, Camillo A. Gentile, Nada T. Golmie

This paper introduces an IEEE 802.11 analytical model that examines uplink and downlink communications between non-saturated stations and a non-saturated access...

Nuclear Magnetic Resonance Gyroscopes

November 2, 2010

Author(s)

Elizabeth A. Donley

Nuclear magnetic resonance gyroscopes(NMRGs)detect rotation as shift in the Larmor precession frequency of nuclear spins. A review of the open literature on...

Wafer-Level Magnetotransport Measurement of Advanced Transistors Making a Powerful Technique Even More Powerful

November 1, 2010

Author(s)

Kin P. Cheung, Jason P. Campbell, Liangchun (. Yu

For transistor research and development, one of the important figures of merit is the carrier mobility. The measurement of mobility is cumbersome in large...

Effect of 3D Hydrogel Scaffold Stiffness on Human Bone Marrow Stromal Cell Differentiation

November 1, 2010

Author(s)

Carl G. Simon Jr., Sapun Parekh, Marcus T. Cicerone, Sheng Lin-Gibson, Kaushik Chatterjee, Marian F. Young

There is growing recognition cells can sense and respond to the mechanical properties of tissue scaffolds and that these interactions are critical in optimizing...

Fire Resistive Materials: Thermal Barriers between Fires and Structures

November 1, 2010

Author(s)

Dale P. Bentz

Fire resistive materials (FRMs) serve a critical function in insulating (steel) structures to limit steel temperature rise during a fire exposure. This paper...

Methods, Practices, and Standards for Evaluating On-Machine Touch Trigger Probing of Workpieces

October 31, 2010

Author(s)

Ronnie R. Fesperman Jr., Shawn P. Moylan, M A. Donmez

This paper presents work being performed by NIST to evaluate test methods prescribed by the new draft standard for determination of on-machine measuring...

The Multi-Relationship Evaluation Design Framework: Creating Evaluation Blueprints to Assess Advanced and Intelligent Technologies

October 29, 2010

Author(s)

Brian A. Weiss, Linda C. Schmidt

Technological evolutions are constantly occurring across advanced and intelligent systems within a range of fields including those within the military, law...

CRYOGENIC CURRENT COMPARATOR FOR THE MEASUREMENT OF ELECTRICAL RESISTANCE IN THE RANGE OF 10 kΩ} TO 1 GΩ}

October 29, 2010

Author(s)

Felipe Hernandez-Marquez, Randolph Elmquist, Benjamin Rodriguez

The development of measurement systems of electrical resistance based on the principle of current comparison in the late 1960s [1] has provided some of the best...

Towards More Accurate Atomic Oscillator Strengths

October 28, 2010

Author(s)

Wolfgang L. Wiese, Jeffrey R. Fuhr, John M. Bridges

Accurate determinations of atomic oscillator strengths have been a problem for a long time, and discrepancies between various numerical results have been...

Laboratory Astrophysics Results from the NIST-SAO EBIT Team

October 28, 2010

Author(s)

John Gillaspy, E. H. Silver

A guide to the laboratory astrophysics papers published by the NIST-SAO EBIT team is presented.

Studies of the Spectrum of Chromium for Calibration of STIS and Interpretation of Astrophysical Spectra

October 28, 2010

Author(s)

Craig J. Sansonetti, Gillian Nave, F Kerber

New observations of the spectrum of Pt/Cr-Ne hollow cathode lamps have been made to provide accurate wavelengths for more than 5000 chromium lines for...

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