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Displaying 1376 - 1400 of 1415

Noncollinear 2k Antiferromagnetism in the Zintl Semiconductor Eu5In2Sb6

January 29, 2024
Author(s)
Vincent Morano, Jonathan N. Gaudet, Nicodemos Varnava, Tanya Berry, Thomas Halloran, Chris Lygouras, Xiaoping Wang, Christina M. Hoffman, Guangyong Xu, Jeffrey Lynn, Tyrel McQueen, David Vanderbilt, Collin L. Broholm
… of known stoichiometric antiferromagnets [1] and belongs to a family of Zintl materials that may host … single crystal neutron diffraction, we show that the TN1 = 14 K second-order phase transition is associated with … of the metal, which is consistent with resistivity data [1]. We show the anisotropic susceptibility and our magnetic …

Chemical emission rates from cigarette butts into air

January 18, 2020
Author(s)
Mengyan Gong, Nicholas Daniels, Dustin G. Poppendieck
… from cigarette butts for styrene, 2-methyl-2-cyclopenten-1-one, naphthalene, triacetin and nicotine. Ten sets of … for naphthalene to 1500 ng m-3 for 2-methyl-2-cyclopenten-1-one. Concentrations of styrene, … of nicotine from a cigarette butt at 25 °C could be up to 14 % of the literature reported emitted nicotine mass from a …

Evaluation of the state-of-the-art measurement capabilities for selected PBDEs and decaBB in plastic by the international intercomparison CCQM-P114

December 9, 2009
Author(s)
Michele M. Schantz, Katrice A. Lippa, R. Zeleny, S. Voorspoels, M. Ricci, Dorit Becker, M. Sittidech, A.M.F. Wong, D.H. Kim, S. Mingwu, S. Matsuyama
… with relative standard deviations of the mean of means of 1.9 %, 4.8 %, 5.5 %, and 5.4 % for brominated diphenyl ether … under intermediate precision conditions were between 1 % and 10 %, and reported expanded measurements … uncertainties typically ranged from 4 % - 10 % (8 % - 14 % for BDE 206). Furthermore, the results are in good …

Inkjet Metrology: High-Accuracy Mass Measurements of Microdrops Produced by a Drop-on-Demand Dispenser

October 15, 2009
Author(s)
R M. Verkouteren, Jennifer R. Verkouteren
… to evaporative variance) was reached at 4 Hz, where uc was 1.4 %. When dispensing a burst of droplets, the limit of … hysteresis) was 72 µg (here, 1490 droplets) with uc = 1.0 %. The applicability of these methods to reflect … average droplet mass with a combined uncertainty of about 1 %. The diameters of the first several droplets displayed …

Numerical Investigations of CO 2 as Fire Suppressing Agent

January 1, 2003
Author(s)
V Katta, F Takahashi, Gregory T. Linteris
… of CO 2 were investigated in two flame systems: 1) a periodically oscillating, methane-air jet diffusion … location. For CO 2 volume fractions greater than 14.5 %, the flame base moved out of the computational area, … extinction of flame chemistry. The low-strain (30 s -1 ) opposed-jet flame extinguished for CO 2 volume fractions …

Laboratory Tests of a Prototype Carbon Dioxide Ground-Source Air Conditioner

April 12, 2021
Author(s)
Harrison M. Skye, Wei Wu
… friendly' in terms of 'direct' emissions, with GWP = 1, and no ozone depletion potential (ODP). However, CO2 heat … in an environmental chamber and followed the ISO 13256-1 standard for rating GSHPs. The CO2 GSAC operated either in … condition (ELT 25 °C), the CO2 GSAC cooling COP was 4.14 and the R410A GSHP COP was 4.57. At 'part-load' conditions …

Crystallography, Morphology, Electronic Structure, and Transport in Non-Fullerene/Non-Indacenodithienothiophene Polymer:Y6 Solar Cells

July 22, 2020
Author(s)
Weigang Zhu, Subhrangsu Mukherjee, Joaquin Alzola, Vinod K. Sangwan, Samuel H. Amsterdam, Steven M. Swick, Leighton Jones, Michael Heiber, Guoping Li, Kevin L. Kohlstedt, Charlotte Stern, Dean DeLongchamp, Mark C. Hersam, George C. Schatz, Michael R. Wasielewski, Antonio Facchetti, Andrew Herzing, Lin Chen, Tobin Marks
… anylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile) decreases the open circuit … resulting power conversion efficiency (PCE) increases from 14 to 15% in the ambient environment. Here we systematically … large intermolecular electronic coupling integrals of 12.1–37.9 meV rationalizing the 3D electron transport, and …

TRC Thermodynamic Tables - Nonhydrocarbons, Supplement 94, 2005

January 3, 2006
Author(s)
Michael D. Frenkel
… 1. Table 23-1-a - Page a-1000 Revised table on carbon and carbon oxides … boiling point, dT/dP and freezing point. 2. Table 23-2-1-(1.14523)-db - Pages db-5763.0 and db-5736.1 New table for … functions in the ideal gas state from 0 K to 1500 K. 14. Tables 23-12-2-(1.01111)-r through x - Pages r-7760 …

Biomimetic Membranes on Metal Supports

May 1, 2003
Author(s)
John T. Elliott, Curtis W. Meuse, Vitalii I. Silin, Susan T. Krueger, John T. Woodward IV, T Petralli-Mallow, Anne L. Plant
… diffusing proteins and lipids in a two-dimensional fluid [1] has been refined to account for the presence of functional … that is well explained by thermodynamic considerations [14]. infrared, neutron reflectivity, atomic force microscopy, …

Fire Resilience of a Steel-Concrete Composite Floor System: Full Scale Experimental Evaluation for Influence of Slab Reinforcement and Unprotected Secondary Beam (Test #3)

October 2, 2023
Author(s)
Selvarajah Ramesh, Lisa Choe, Matthew Hoehler, Matthew Bundy, Rodney Bryant, Giovanni Di Cristina Torres, Brian Story, Anthony R. Chakalis, Artur A. Chernovsky, Philip Deardorff, Michael Selepak
… frame, two bays by three bays in plan. A total of three 9.1 m × 6.1 m composite floor specimens with varying slab reinforcement … length L = 9.1 m) It reached a peak value of 655 mm (L/14) at 140 min, when the actuator loading was removed. The …
Displaying 1376 - 1400 of 1415
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