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Displaying 226 - 241 of 241

Fire Structure Interface and Thermal Response of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5G) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Kuldeep R. Prasad, Howard R. Baum
… and core columns as well as the concrete slab on floors 92-99 of the North Tower and floors 78-83 of the South Tower. … Four global simulations, two each for WTC 1 and WTC 2 are reported for prediction of thermally induced structural …

Structure Separation Experiments Phase 1 Preliminary Test Plan

May 26, 2021
Author(s)
Alexander Maranghides, Shonali Nazare, Eric Link, Kuldeep Prasad, Matthew Hoehler, Matthew Bundy, Steven Hawks, Frank Bigelow, William (Ruddy) Mell, Anthony Bova, Derek McNamara, Tom Milac, Daniel Gorham, Faraz Hedayati, Bob Raymer, Frank Frievalt, William Walton
… phases. Phase 1 will test sheds as fire sources, Phase 2 will test "in-law" buildings (small accommodation … m² (15 ft2 to 267 ft2) will be tested in Phase 1. Phase 2 will examine exposures from 40.87 m² (440 ft2) "in-law" … and Phase 3 will characterize exposures from approximately 92.90 m² (1000 ft2) residences. Dimensions of Phase 3 single …

Tissue Distribution of Perfluoroalkyl Acids (PFAAs) and Health Status in Wild Mozambique Tilapia (Oreochromis mossambicus) from Loskop Dam, Mpumalanga, South Africa

November 29, 2017
Author(s)
Jacqueline T. Bangma, Jessica L. Reiner, Hannes Botha, Theresa M. Cantu, Marco Gouws, Matthew P. Guillette, Jeremy P. Koelmel, Wilmien Luus-Powell, Olivia Rynders, Joseph Sara, Willem J. Smit, John Bowden
… Of the tissues measured plasma (2016 and 2014 median, 22.2 ng/g) contained the highest burden of measured PFAAs … 11.6 ng/g), kidney (median, 9.04 ng/g), spleen (median, 5.92 ng/g), adipose (median, 2.54 ng/g), and muscle (median, 1.11 ng/g). Loskop Dam …

The Electric And Magnetic Susceptibilities Of Gaseos Oxygen: Comparisons Of New Measurements and Modern Theory

September 25, 2008
Author(s)
Michael R. Moldover, E May, James W. Schmidt
… to measure the relative dielectric permittivity ε r of O 2 at 273 K, 293 K, and 323 K and at pressures up to 6.5 MPa. … a quasi-spherical cavity resonator at frequencies between 2.4 GHz and 7.3 GHz. The combined results from these … molecular beam experiments), we obtained χ meas,M000 = (42.92 {plus or minus} 0.06)×10 –9 m 3 mol –1 and b υ =(–1.8 …

Effect of P o2 and Ag on the Phase Formation of the Pb-2223 Superconductor

June 25, 1998
Author(s)
Winnie K. Wong-Ng, Lawrence P. Cook, W Greenwood
… studied for a precursor composition of Bi 1.8 Pb o.4 Sr 2 Ca 2.2 Cu 3 O x . The combined techniques of quenching, powder … and under a mixture of 7.5 volume % O 2 / 92.5 volume % Ar. Under pure air, the precursor composition …

Towards a Global Agenda for Fire Research

December 1, 2001
Author(s)
J E. Snell
… world's leaders of fire research programs or facilities [2]. Membership includes 15 members from Canada, China, … Organization for Standardization (ISO) activities in TC 92 on Fire Safety. I have had the honor to chair the FORUM …

Development of a Candidate Reference Measurement Procedure for the Determination of 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in Human Serum Using Isotope-Dilution Liquid Chromatography/Tandem Mass Spectrometry

February 5, 2010
Author(s)
Susan S. Tai, Mary Bedner, Karen W. Phinney
… The absolute recoveries with this method were 97% and 92% for 25(OH)D3 and 25(OH)D2, respectively. Excellent precision was obtained with between-set CVs of 0.2% - 0.6% for 25(OH)D levels > 1 ng/g and within 2% for the level of < 1 ng/g. LC separation of 25(OH)D3 and …

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

April 12, 2021
Author(s)
Harrison M. Skye, Wei Wu
… which was estimated to cause a COP penalty of (0 to 2) % for ELTs ranging (10 to 25) °C, and benefit of (0 to 5) … (10 to 39) °C the CO2 system cooling COP ranged (7.3 to 2.4), whereas the R410A system values ranged (6.1 to 3.2). At … conditions (ELT 20 °C) both systems had a COP of ≈4.92. Further effort is needed to increase the CO2 system …

Fire Performance of Partition Assemblies

July 7, 2004
Author(s)
Samuel L. Manzello, Richard G. Gann, S R. Kukuck, Kuldeep R. Prasad, Walter W. Jones
… Standards. The similar international standard is ISO 834 [2], which is maintained by ISO TC92 SC2, Fire Containment. … fire resistance tests such as ASTM E119 [1] and ISO 834 [2]. The initial work will focus on non-loadbearing walls of … to guide the model development. Various wall assemblies 2.44 m x 2.44 m were exposed to intense fires from the time …

Use of Thermodynamic Software in Process Modelling and New Applications of Thermodynamic

July 1, 2002
Author(s)
Ursula R. Kattner, G Eriksson, I Hahn, R Schmid-fetzer, Bo Sundman, V Swamy, A Kussmaul, P J. Spencer, T J. Anderson, T G. Chart, A Costa e Silva, B Jansson, B J. Lee, M Schalin
The strongly related nature of the topics allocated to Groups 4 and 5 was such that a close interaction between the two groups appeared essential at all stages of the discussions and for this reason the groups amalgamated. A joint decision was made as to

Surfactant-Assisted Atomic-Level Engineering of Spin Valves

March 1, 2002
Author(s)
H D. Chopra, D X. Yang, P J. Chen, William F. Egelhoff Jr.
… valves. DC magnetron sputtered Co (3.0nm)/Cu (1.5 nm)/Co (2.5 nm)/NiO (50nm) bottom spin valves were studied with and … thickness of 1.5 nm, a strong positive coupling > 13.92 kA/m (> 175 Oe) between NiO-pinned and free Co layers …

Analytical Study of Residential Buildings With Reflective Roofs

October 1, 1998
Author(s)
Robert R. Zarr
… and Air-Conditioning Engineers, Inc. (ASHRAE) Standard 90.2-1993. The residential model, with minor modifications in … (R-49 h ft2 F/Btu); attic ventilation, from 0.5 h-1 to 9.2 h-1; and, attic mass framing area from 31.0 m2 to 46.5 m2. … accordance with prescriptive criteria in ASHRAE Standard90.2-1993. The effect of roof solar reflectance is again …
Displaying 226 - 241 of 241
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