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Displaying 176 - 200 of 222

Photochemical Properties of Some Cl-Containing Halogenated Alkanes

May 31, 2013
Author(s)
Vladimir L. Orkin, Victor Khamaganov, E. E. Kasimovskaya, A G. Guschin
… by the following expressions: kMC(298-460 K) = (3.9 ± 0.94)×10-12×exp{-(1411 ± 85)/T)} cm3 molecule-1 s-1; … ± 66)/T)} cm3 molecule-1 s-1; k132c(298-370 K) = (8.1 ± 2.2)×10-13×exp{-(1247 ± 89)/T)} cm3 molecule-1 s-1. Based on … lifetime, methyl chloride, HCFC-122a, HCFC-132c, 1, 1, 2-trichloro-1, 2-difluoroethane, 1, 1-dichloro-1, …

Calibration of Ultra-Low Infrared Power at NIST

July 20, 2010
Author(s)
Solomon I. Woods, Stephen M. Carr, Adriaan C. Carter, Timothy M. Jung, Simon G. Kaplan, Raju V. Datla
… achieve a noise level of around 1 fW at a temperature of 2 K. The novel thermometer employs the superconducting … paint and has a demonstrated absorptivity of 99.94% at 10.6 µm. The thermal link is made from thin-walled …

Interfacial reactions of Ba2YCu3O6+x with Coated Conductor Buffer Layer, LaMnO3

February 10, 2010
Author(s)
Winnie K. Wong-Ng, Guangyao Liu, Lawrence P. Cook, James A. Kaduk
… solid solution limits for Ba(Y2-xLax)CuO5 are Ba(Y1.8La0.2)CuO5 and Ba(Y0.1La1.9)CuO5, respectively. The structure of Ba(Y1.8La0.2)CuO5 is Pnma (No. 62), a = 12.2161(5) Å, b = 5.6690(2) Å, c = 7.1468(3) Å, V = 494.94 (4), and Dx = 6.29 g.cm-3. No solid solution for …

Fourier Transform Microwave Spectroscopy of Jet-Cooled ZrO 2 Produced by Laser Vaporization

August 1, 1999
Author(s)
D J. Brugh, R D. Suenram, W J. Stevens
… The pure rotational spectrum of the asymmetric top ZrO 2 has been collected using a Fourier transform microwave … Four rotational transitions for each of five Zr 16 O 2 isotopomers have been recorded. The rotational constants of … has also been recorded and analyzed, yielding χ aa = 115.94 MHz 0.16 MHz, χ bb = -37.55 MHz 0.33 MHz, and χ cc = …

High-Fidelity Adaptive Qubit Detection through Repetitive Quantum Nondemolition Measurements

September 17, 2007
Author(s)
David Hume, Till P. Rosenband, David J. Wineland
… repetitions, optimizing qubit measurement efficiency, and (2) measure multiple-qubit states with a single ancilla. For a … rates for each cycle of ancilla detection, we achieve 99.94% measurement fidelity, limited by the upper state natural … through quantum information processing. Phys. Rev. Lett. 94, 010501 (2005). 4. Schmidt, P. O. et al. Spectroscopy …

Characterization of New 5M and 7M Polytypes of Niobia-Doped Ca 2 Ta 2 O 7

October 12, 2021
Author(s)
I E. Grey, Robert S. Roth, W G. Mumme, J Planes, Leonid A. Bendersky, C Li, J Chenavas
… with a = 12.7170 (6), b = 7.3728(3), c = 42.64(2) , b = 95.755(5) . 5M Ca2Ta1.8Nb0.2O7 is monoclinic with a = 12.7528 (4), b = 7.349(2), c = 30.2442(8) , b = 94.245(2) , Z= 20, space group C2. The two polytypes have in … of New 5M and 7M Polytypes of Niobia-Doped Ca 2 Ta 2 O 7 …

Benzocycloarene Hydroxylation by P450 Biocatalysis

January 1, 2002
Author(s)
M P. Mayhew, A. E. Roitberg, Yadu D. Tewari, Marcia J. Holden, David J. Vanderah, V L. Vilker
… products were stereoselective to the R-enantiomer (88% and 94%, respectively). Steric constraints of the active site …

Suppression of Engine Nacelle Fires (NIST SP 890)

November 1, 1995
Author(s)
Anthony P. Hamins, Thomas G. Cleary, P. Borthwick, N Gorchkov, Kevin B. McGrattan, Glenn P. Forney, William L. Grosshandler, Cary Presser, L Melton
… Section is broken into several subsections. In Section 9.2, a description of the range of parameters which …

Robust Bottom-Up Gold Filling of Deep Trenches and Gratings

March 25, 2022
Author(s)
Daniel Josell, William Alexander Osborn, Maureen E. Williams
… process is used to fill diffraction gratings with trenches 94 m deep and 305 m deep, with aspect ratios (AR, … 15, respectively, in near-neutral 0.16 mol∙L−1 Na3Au(SO3)2 + 0.64 mol∙L−1 Na2SO3 electrolyte containing ≈ 50 mol∙L−1 …

Load Forecasting Tool for NIST Transactive Energy Market

September 27, 2021
Author(s)
Farhad Omar, David Holmberg
Customers and transactive energy (TE) market managers may rely on load forecasting algorithms to purchase or sell power in a forward market environment, using day-ahead and real-time pricing structures. Accurate load forecasting becomes necessary when a

Towards the optical second: verifying optical clocks at the SI limit

April 11, 2019
Author(s)
William F. McGrew, Xiaogang Zhang, Robert J. Fasano, Holly Leopardi, Daniele Nicolodi, Kyle P. Beloy, Jian Yao, Jeffrey A. Sherman, Stefan A. Schaeffer, Joshua J. Savory, Stefania Romisch, Christopher W. Oates, Thomas E. Parker, Tara M. Fortier, Andrew D. Ludlow
… Hz and corresponding to a fractional uncertainty of 2.1 X 10 −16 . This absolute frequency measurement, the most …

Magnetic Resonance Properties of Gd(III)-Bound Lipid-Coated Microbubbles and their Cavitation Fragments

October 30, 2012
Author(s)
Jameel Feshitan, Michael A. Boss, Mark Borden
… this mechanism by comparing the changes in r 1 and r 2 * after fragmentation of microbubbles consisting of Gd(III) … r 1 increased after microbubble fragmentation, while r 2 * was unchanged. Analysis of PEG-labeled … Gd(III)-microbubbles revealed that both r 1 and r 2 * decreased after microbubble fragmentation. Further …

Search for a T-odd, P-even Triple Correlation in Neutron Decay

September 14, 2012
Author(s)
Jeffrey S. Nico, T E. Chupp, K P. Coulter, R L. Cooper, S. J. Freeman, B. K. Fujikawa, A. Garcia, Gordon L. Jones, Hans P. Mumm, Alan K. Thompson, C A. Trull, F. E. Wiefeldt, J. F. Wilkerson
… effects in a blind analysis. Results: We find D=[-0.94 +/- 1.89(stat) +/- 0.97(sys)] x 10^-4. Conclusions: This …

Analysis of Carboxyhemoglobin and Cyanide in Blood From Victims of the Dupont Plaza Hotel Fire in Puerto Rico

January 1, 1990
Author(s)
Barbara C. Levin, P R. Rechani, F Landron, J R. Rodriguez, L Droz, F M. deCabrera, S Kaye, J L. Gurman, H M. Clark, M F. Yoklavich
A fire that occurred during the afternoon of December 31, 1986 in the Dupont Plaza Hotel in San Juan, Puerto Rico claimed 97 lives and injured more than 140 individuals. This fire has been considered one of the worst hotel fires that has occurred in this

A community-led calibration of the Zr isotope Reference Materials: NIST RM 8299 and SRM 3169

July 19, 2023
Author(s)
Francois L.H. Tissot, Mauricio Ibanez-Mejia, Savelas Rabb, Rebecca Kraft, Robert D. Vocke Jr., Manuela Fehr, Maria Schonbachler, Haolan Tang, Edward Young
As the field of zirconium (Zr) stable isotopes is rapidly expanding from the study of isotope anomalies to that of mass-dependent effects, a variety of Zr standards have appeared in the literature. While each of these standards is being proposed as the
Displaying 176 - 200 of 222
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