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Circular of the Bureau of Standards no. 488 section 1::an ultraviolet multiplet table- the spectra of hydrogen, helium, lithium, berylluim, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine

January 1, 1950

Author(s)

Charlotte E Moore

Measurement of Nanotube Dispersion by Scattering, Chromatography, and Microscopy

January 1, 2005

Author(s)

Barry J. Bauer, Erik K. Hobbie, Matthew Becker, William R. Blair

… GPC, Nanostructured Materials, SANS, SEC, SWNT, Scattering, Solutions, Synthesis, carbon, …

A miniaturized optical frequency standard for next generation portable optical clocks

August 7, 2020

Author(s)

Vincent N. Maurice, Zachary Newman, Susannah Dickerson, Morgan Rivers, Mark Mescher, John LeBlanc, John Kitching, Matthew Hummon, Cort Johnson

This paper describes the development and measurement of a miniaturized optical frequency standard based on the rubidium two-photon transition at 778 nm. The optical standard has been implemented on a micro-optics breadboard and operates on

NIST F1: Recent improvements and a resulting accuracy of df/f=0.53x10 -15

September 13, 2005

Author(s)

Thomas P. Heavner, Steven R. Jefferts, Elizabeth Donley, Jon H. Shirley, Tom Parker

… and Frequency (GEN), Time Scale (Scale), Time/The Second (SEC) …

Examination of the Covalent Cationization Method Using Narrow Polydisperse Polystyrene

January 1, 2005

Author(s)

H M. Byrd, S Bencherif, Barry J. Bauer, Kathryn Beers, Y Brun, Sheng Lin-Gibson, N Sari

… GPC, H-NMR, HPLC, MALDI-TOF-MS, SEC, Spectroscopy, Synthesis, chemical modification, …

Entropic-based separation of diastereomers. Size-exclusion chromatography with on-line viscometry and refractometry detection for analysis of blends of mannose and galactose methyl-alpha-pyranosides at "ideal" size-exclusion conditions

January 11, 2021

Author(s)

Andre M. Striegel, Steven Trainoff

… from each other by size-exclusion chromatography (SEC)? Previous attempts at answering this question, for … and D-galactose. We show for the first time, using SEC columns, the entropically-driven separation of members of …

Current Issues in Optical Diffraction Theory

October 16, 2008

Author(s)

Klaus Mielenz

… diffraction theory and its various modifications. In Sec. 2 of the paper it is pointed out that all thermal … coherence may have to be used for the computations. In Sec. 3 it is recalled that for near-zone computations the …

Development of characterization techniques for polyurethanes I. Characterization of SRM 1480, a low molecular weight polyurethane for SEC calibration:

January 1, 1992

Author(s)

Charles M Guttman, John R Maurey, Peter H Verdier, Charles C Han, Francis W Wang

… of SRM 1480, a low molecular weight polyurethane for SEC calibration: …

Advances in the SEC characterization of organometallic copolymers and copolymerization ::desorption of charged species by injected dilute acetic acid

January 1, 1982

Author(s)

E J Parks, R B Johannesen, F E Brinckman

… Advances in the SEC characterization of organometallic copolymers and …

Guiding Neutral Atoms Around Curves With Lithographically Patterned Current-Carrying Wires

December 1, 1999

Author(s)

D Muller, D Z. Anderson, R J. Grow, P Schwindt, Eric A. Cornell

… along a 10-cm long track. A maximum flux of 2 X 10 6 atoms/sec is achieved with a current density of 3 X 10 4 A/ cm 2 in …

Selected tables of atomic spectra - A atomic energy levels-second edition, B multiplet tables ::O III - data derived from the analyses of optical spectra

January 1, 1985

Author(s)

Charlotte E Moore

Selected tables of atomic spectra - A atomic energy levels-second edition, B multiplet tables ::O IV - data derived from the analyses of optical spectra

January 1, 1983

Author(s)

Charlotte E Moore

A Guide to United States Cosmetic Products Compliance Requirements

March 26, 2021

Author(s)

Lisa M. Benson, Karen Reczek

… attractiveness, or altering the appearance" (FD&C Act, sec. 201(i)). Cosmetic products may include skin …

Solution Structure of Zinc-Seamed C-alkylpyrogallol[4]arene Dimeric Nanocapsules

January 15, 2021

Author(s)

Harshita Kumari, Wei G. Wycoff, Collin M. Mayhan, Steven R. Kline, Joshua R. So, Carol A. Deakyne, John E. Adams, Jerry L. Atwood

… (R=9.4 angstrom}; diffusion coefficient=1.05x10 -10 m 2 /sec) is larger due to the presence of ligands at the …

Use of Surface-Wave Spectroscopy to Characterize Tilt Modes of a Vortex in a Bose-Einstein Condensate

April 1, 2001

Author(s)

P C. Haljan, B P. Anderson, Ian R. Coddington, Eric A. Cornell

… hold the vortex axis along the line of sight for up to 15 sec. Alternatively, we can induce a 180 tilt, effectively …

Quality Assurance System Registration Requirements for Facilities Under Provisions of the Fastener Quality Act

December 1, 1998

Author(s)

S. W. Stiefel, R L. Gladhill

… Procedures for Implementation of the Fastener Quality Act, Sec. 280.104 and subparts I through L. Manufacturers are … and testing. However, the regulations also provide in Sec. 280.104 for an alternative to lot-by-lot final …

Video Analytics at the Edge

October 28, 2016

Author(s)

John S. Garofolo

… The First IEEE/ACM Symposium on Edge Computing (SEC 2016) …

Effect of Tacticity on the Structure of Poly(1-octadecane)

January 1, 2004

Author(s)

David L. VanderHart, E Perez, A Bello, J Vasquez, R Quijada

… Polymers, DSC, Microstructure, NMR, Polyolefins, SEC, Spectroscopy, conformation, crystalline structure, …

Field-Emission Tails and Tunneling Lifetimes

June 1, 1973

Author(s)

John William Gadzuk, A Lucas

… element become large. The tunneling lifetimes ~ 10 -12 sec required to fit the experimental data are consistent with …

Interlaboratory Measurement of Adeno-Associated Virus: Comparative Quantification of Full and Empty Capsids

December 26, 2024

Author(s)

Sean Lehman, Wyatt Vreeland, Jerome Jacques, Sharee Adams-Hall, Shreya Ahuja, Adnan Arnaout, Hunter Balduf, Ivan Budyak, Thomas Cleveland, Dennis Delgado, James Deng, Brandon Doyle, David Duewer, Carsten Elger, Jeffrey Fagan, Tim Guo, Jorge Haller, Luisa Hilgenfeld, Van Hoang, Allison Huldin, Matthew Hyatt, Sambit Kar, Sandeep Kedia, Bashkim Kokona, Amy Liu, Li Ma, Diane McCarthy, He Meng, Easton Noble, Veronika Oettle, Andrew Pla, Thomas Powers, Dean Ripple, Herbert Runnels, Raphael Ruppert, Florian Semmelmann, Christopher Sims, Saurabh Singh, Ronald Toth, Austin Vogt, Sabine Wenzel, Neal Whitaker, Zhiwen Yang, Brandon Zhuang

… interference optics, size exclusion chromatography (SEC) with multi-angle light scattering (MALS) and tandem … PCR-ELISA results. The optical techniques (UV spectroscopy/SEC-MALS) showed …

Polysaccharide characterization by hollow-fiber flow field-flow fractionation with on-line multi- angle static light scattering and differential refractometry (HF5/MALS/DRI)

January 20, 2015

Author(s)

Leena M. Pitkanen, Andre Striegel

… by size-exclusion and, even, hydrodynamic chromatography (SEC and HDC, respectively). The necessity for gentler … are placed on the macromolecules during separation than in SEC or HDC, and HF5 can offer a higher sensitivity, with less …

The Characterization of Copolymers and Blends by Quintuple-Detector Size-Exclusion Chromatography

June 14, 2012

Author(s)

Andre M. Striegel, Steven Rowland

… via a quintuple-detector size-exclusion chromatography (SEC) method consisting of multi-angle static light scattering … coupled on-line to the separation method. Applying the SEC/MALS/QELS/VISC/UV/DRI method to the study of a …