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Displaying 42301 - 42325 of 73960

Secondary Ion Mass Spectrometry Using Cluster Primary Ion Beams

January 1, 2003
Author(s)
John G. Gillen, Albert J. Fahey
At the National Institute of Standards and Technology (NIST) we have a capability for conducting cluster SIMS experiments on both our ion microscope and TOF-SIMS instruments. This paper will review our recent work on cluster ion source development

Security of Electronic Mail

January 1, 2003
Author(s)
Shirley M. Radack
This ITL Bulletin summarizes NIST Special Publication (SP) 800-45, Guidelines on Electronic Mail Security, September 2002, which helps federal agencies improve the secure design, implementation, and operation of their electronic mail servers and clients.

Specific Isochoric Heat Capacity Measurements for Liquid Isobutane

January 1, 2003
Author(s)
Hiroyuki Miyamoto, Hiroshi Kitajima, Noboru Kagawa, Joe W. Magee, Seizo Tsuruno, Koichi Watanabe
Experimental specific isochoric heat capacities (C v) and PρT properties for isobutane are presented that were measured with a twin-cell type adiabatic isochoric calorimeter. The measurements were obtained for temperatures from 272 to 408 K and for

Spectrum and Reactivity of the Solvated Electron in the Ionic Liquid

January 1, 2003
Author(s)
James F. Wishart, Pedatsur Neta
st pulse radiolysis transient absorption experiments were conducted on the ionic liquid methyltributylammonium bis(tribluoromethylsulfonyl)imide (R 4NNTf 2). The solvated electron was observed to have a very broad absorption band peaking at 1400 nm (ε = 2
Displaying 42301 - 42325 of 73960
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