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Displaying 526 - 550 of 632

Chapter 4: Thermodynamics

November 15, 2016
Author(s)
Ursula R. Kattner, Tore Haug-Warberg, Long-Qing Chen, Bengt Hallstedt, Andre Costa e Silva, Joonho Lee, Jean-Marc Joubert, Jean-Claude Crivello, Zhang Fan, Bethany Huseby
… theory and practice of thermodynamic modelling. Sections 4.2 and 4.3 provide an introduction to some basic thermodynamic concepts and theory. Section 4.4 then gives an overview of the leading thermodynamic … Chapter 4: Thermodynamics …

Development of an Ultra-Pure, Carrier-Free 209Po Solution Standard

July 23, 2015
Author(s)
Ronald Colle, Ryan P. Fitzgerald, Lizbeth Laureano-Perez
… issued by NIST in 1994. The standardization was based on 4 liquid scintillation (LS) spectrometry with two different … in 205Pb and for the radiations accompanying the small 0.45 % electron-capture branch to 209Bi, involves a unique …

Real time assessment of a new hydrolytically degradable and photo-clickable hydrogel for cartilage tissue engineering

March 28, 2015
Author(s)
Alexander J. Neumann, Timothy P. Quinn, Stephanie J. Bryant
… cartilage pieces in Collagenase type II. After 1,2,3 and 4 weeks, samples were removed for analysis. Ultrasound … before it significantly decreased between week 3 and week 4. A-cellular degradation showed a decrease of initial … cellular constructs, the secant modulus increased from 6.45 kPA (day 0) to 10.3 kPA at week 2 and to 52.8 kPA at week …

Complex Structures of Different CaFe 2 As 2 Samples

February 18, 2014
Author(s)
Bayrammurad Saparov, Claudia Cantoni, Minghu Pan, Thomas C. Hogan, William D. Ratcliff, Stephen D. Wilson, Katharina Fritsch, Bruce D. Gaulin, Athena S. Sefat
… and collapsed tetragonal) coexist between T s =95 K and 45 K manifesting a small broad peak in high capacity. We find … phases coexisting between 80 to 120 K, and T N = 118(4) K. For such complex phases of CaFe 2 As 2 , the origin of …

Humic Acid-Mediated Silver Nanoparticle Formation Under Environmentally Relevant Conditions

April 1, 2011
Author(s)
Nelson Akaighe, Robert I. MacCuspie, Divina A. Navarro, Diana S. Aga, Sarbajit Banerjee, Mary Sohn, Virender K. Sharma
… by ultraviolet-visible spectroscopy in as few as (2 to 4) days at 22 oC, for SHAs and for SUW. An elevated … resulted in the accelerated appearance of the SPR within (45 to 90) mins for SUW and all SHAs. The formation of AgNPs …

Macrophage Response to Methacrylate Conversion Using a Gradient Approach

January 1, 2007
Author(s)
Nancy Lin, L A. Bailey, Matthew Becker, N. R. Washburn, Lori Henderson
… the experimental throughput. A substrate of 2,2-bis[4-(2-hydroxy-3-methacryloxypropoxy)phenyl] propane (BisGMA) … polymer network and the local leachables. Conversions of 45 % and 50 % decreased viability (via calcein/ethidium …

Genotyping SNPs Using a UV Photocleavable Oligonucleotide in MALDI-TOF MS

March 17, 2005
Author(s)
Peter M. Vallone, K Fahr, M Kostrzewa
Matrix assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF MS) coupled with allele specific primer extension is a proven method for typing single nucleotide polymorphisms (SNPs). A novel modification upon this methodology is the

Semiconductor Measurement Technology: Workshop on Mass Flow Measurement and Control for the Semiconductor Industry

February 1, 2001
Author(s)
Robert F. Berg, David S. Green, G E. Mattingly
… On 15-16 May 2000 at NIST, 45 scientists and engineers met to identify research and … 2. Standards and calibration. 3. Gas properties. 4. Alternatives to thermal mass flow controllers. The … for conducting round-robin tests (0.01 sccm to 1000 slm). 4. NIST: Improve the primary (0.025 %) and transfer (0.1 %) …
Displaying 526 - 550 of 632
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