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Chemistry

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Displaying 1451 - 1475 of 1934

Quality Control Procedures for the NIST/EPA/NIH Mass Spectral Library

May 31, 1998
Author(s)
C L. Clifton, S G. Lias, Anzor Mikaia, O D. Sparkman, Stephen Stein, Dmitrii Tchekhovskoi, Damo Zhu, Vladimir G. Zaikin
The goal of quality control procedures is to produce the best possible spectra for library searching. The role of a panel of data evaluators is presented, and the plans for further improvements of the NIST/EPA/NIH mass spectral library is presented.

Atomic Hydrogen for the Formation of Abrupt Sb Doping Profiles in MBE-Grown Si

May 1, 1998
Author(s)
P E. Thompson, C Silvestre, M E. Twigg, G Jernigan, David S. Simons
Previously atomic hydrogen has been shown to be effective in reducing the segregation of Ge on Si[100] during solid source molecular beam epitaxygrowth. In this work we have investigated atomic hydrogen to determine if it is equally effective in reducing

Kinetically-Controlled Chemical Sensing Using Micromachined Structures

May 1, 1998
Author(s)
Stephen Semancik, Richard E. Cavicchi
Microdevices produced by machining silicon can offer a variety of control functionality on a miniature scale, 1.2 with general advantages connected to not only reduced size (less invasive), but also lower power requirements, lower cost, and reproducibility
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