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Displaying 1101 - 1125 of 1184

SRM 482 Revisited After 30 Years

August 1, 2001
Author(s)
Eric S. Windsor, R Carlton, Scott A. Wight, C Lyman
… cloths. Final polishing was achieved using fine alumina (0.05 ?m) on napped cloths. If these blemishes are indeed …

The Influence of Proteoforms: Assessing the Accuracy of Total VDBP Quantification by Proteolysis and LC-MS/MS

October 24, 2022
Author(s)
Lisa Kilpatrick, Roger Bouillon, Clay Davis, Clark Henderson, Andrew N. Hoofnagle, Steven Pauwels, Dirk Vanderschueren, Etienne Waelkens, Hans Wildiers, James H. Yen, Karen W. Phinney
… were found to give reproducible concentrations [≤ 2.7% coefficient of variation (CV)] and linear instrument … laboratories resulted in total VDBP concentrations with 7.05% CV. Conclusions: VDBP proteoforms were not found to …

Shrinks When It's Colder

August 1, 2022
Author(s)
Patrick Egan
Thermal expansion can be a leading cause of uncertainty in length metrology. A cell-based refractometer has been designed at NIST which targets 10^-6} relative uncertainty in the measurement of helium refractivity; in terms of refractive index at ambient

Fluoroscent Probe for Cure Monitoring of Hydrosilation-Curable Silicone

October 12, 2021
Author(s)
Y Hotta, K Komatsu, Francis W. Wang
… (0.1 %). The catalyst consisted of the same DV-PDMS (99.7 %) used to make the HCS, DV-PDMS (0.3 %) containing 3.5 % … for DV-PDMS polymers of different molecular masses (p < 0.05). The fractional decreases were (38.6 ± 1.6, 35.6 ± 1.4, …

Experimental Evidence for Field-Induced Emergent Clock Anisotropies in the XY Pyrochlore Er 2 Ti 2 O 7

February 6, 2017
Author(s)
Jonathan Gaudet, A. M. Hallas, J. Thibault, Nicholas Butch, H. A. Dabkowska, B. D. Gaulin
… The XY pyrochlore antiferromagnet Er 2 Ti 2 O 7 exhibits a rare case of Z 6 discrete symmetry breaking in … breakings are uncommon in nature. Thus, Er 2 Ti 2 O 7 provides a remarkable experimental playground for the study … ψ 3 transition is observed at a critical field of 0.18 ± 0.05 T. We are thus able to extend the concept of the spin-flop …

Annual Performance of a Two-Speed, Dedicated Dehumidification Heat Pump in the NIST Net-Zero Energy Residential Test Facility

January 21, 2016
Author(s)
William V. Payne
… annual energy consumption was 13039 kWh (4.8 kWh ft-2, 51.7 kWh m-2), and the 10.2 kW solar photovoltaic system … heat pump consumed a total of 6225 kWh (2.3 kWh ft-2 , 24.7 kWh m-2) of electrical energy for cooling, heating, and … 7.10 Btu W-1h-1 (2.09 W W-1); the unit’s rated HSPF is 9.05 Btu W-1h-1 (2.65 W W-1). These field measured efficiency …
Displaying 1101 - 1125 of 1184
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