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Displaying 18351 - 18375 of 74261

COMMON SPURIOUS SIGNALS OBSERVED IN MASS SPECTROMETERS

June 1, 2015
Author(s)
Thomas J. Bruno, Paris D. Svoronos-Cambanas
The following table provides guidance in the recognition and interpretation of spurious signals (m/z peaks) that will sometimes be observed in mass spectra, especially mass spectra obtained from gas chromatography mass spectrometry systems (GC-MS) [1,2]

Dimensionless units in the SI

June 1, 2015
Author(s)
Peter J. Mohr, William D. Phillips
The International System of Units (SI) is supposed to be coherent. That is, when a combination of units is replaced by an equivalent unit, there is no additional numerical factor. Here we consider dimensionless units as defined in the SI, e.g. angular

Dynamic 3D Visualizations of Complex Function Surfaces Using X3DOM and WebGL

June 1, 2015
Author(s)
Bonita V. Saunders, Brian Antonishek, Qiming Wang, Bruce R. Miller
In 1997 the National Institute of Standards and Technology (NIST) embarked on a huge project to replace one of the most cited resources for mathematical, physical and engineering scientists, the Handbook of Mathematical Functions with Formulas, Graphs, and

Evaluation of Uncertainty in Temporal Waveforms of Microwave Transistors

June 1, 2015
Author(s)
Gustavo Avolio, Antonio Raffo, Jeffrey Jargon, Dominique Schreurs, Dylan Williams
This work focuses on the accuracy of nonlinear de-embedding applied to microwave transistor time-domain waveforms. The waveforms are acquired with a mixer-based Large-Signal Network Analyzer (LSNA) and are corrected at the transistor's reference planes by

Fiber Bragg Gratings Embedded in 3D-Printed Scaffolds

June 1, 2015
Author(s)
Peter Liacouras, Khazar Choudhry, Grant Grant, Gregory F. Strouse, Zeeshan Ahmed
In recent years there has been considerable interest in utilizing fiber optic based sensors as embedded sensor for fabricating smart materials. One of the primary motivations is to provide real-time information on the structural health of the material so

Higher order perpendicular magnetic anisotropy in ultra-thin Co60Fe20B20 layers and the observation of an easy cone state.

June 1, 2015
Author(s)
Justin M. Shaw, Hans T. Nembach, Mathias A. Weiler, Martin A. Schoen, Thomas J. Silva, Jonathan Z. Sun, Daniel C. Worledge
We used broadband ferromagnetic resonance (FMR) spectroscopy to measure the second and forth order perpendicular magnetic anisotropies in Ta/ Co60Fe20B20/MgO layers over a thickness range of 0.8-5 nm. For a thickness greater than 1.0 nm, the easy axis is

Novel Microporous Metal?Organic Framework Exhibiting High Acetylene and Methane Storage Capacities

June 1, 2015
Author(s)
Xing Duan, Chuande Wu, Shengchang Xiang, Wei Zhou, Taner N. Yildirim, Yuanjing Cui, Yu Yang, Banglin Chen, Guodong Qian
A new organic hexacarboxylic acid, 5,5',5"-(9H-carbazole-3,6,9-triyl) triisophthalic acid (H 6CTIA), was developed to construct its first microporous metal-organic framework Cu 6(CTUIA)d2^ (ZJU-70). With open metal sites and suitable pore sizes, this MOF
Displaying 18351 - 18375 of 74261
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