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Displaying 776 - 800 of 3672

Reference correlations for the viscosity and thermal conductivity of fluids over extended range of conditions: n-hexane in the vapor, liquid, and supercritical regions

March 11, 2015
Author(s)
Richard A. Perkins, Marcia L. Huber, Marc J. Assael, Efthimia K. Mihailidou, Sofia K. Mylona, Evita J. Sykioti
This article summarizes the correlation procedures developed for IUPAC Project 2012-040-1-100 (Reference correlations for the thermal conductivity and viscosity of fluids over extended range of conditions (vapor, liquid and supercritical region)). This

High resolution analysis of the nu1 and nu5 bands of phosgene 35Cl2CO and 35Cl37ClCO

March 2, 2015
Author(s)
Walter J. Lafferty, Jean-Marie Flaud, F. Kwabia Tchana, L. Manceron
Fourier transform spectra of phosgene (Cl2CO) have been recorded in the 11.75 μm and 5.47 μm spectral regions using a Bruker IFS125HR spectrometer at resolutions of 0.00102 cm-1 and 0.0015 cm-1 respectively leading to the observation of the ν5 and ν1

Bisphenol A leads to oxidative DNA damage and alters the damage response in mouse fibroblasts

February 18, 2015
Author(s)
Pawel Jaruga, Natalie R. Gassman, Erdem Coskun, Donna F. Stefanick, Julie K. Horton, M Miral Dizdar, Samuel H. Wilson
Metabolism of bisphenol A (BPA) generates reactive oxygen species causing DNA strand breaks and damaged DNA bases. Base excision repair (BER) is responsible for removing oxidatively induced DNA base lesions and for repairing single strand breaks (SSBs)

Update on Ozone-Depleting Substances (ODSs) and Other Gases of Interest to the Montreal Protocol, Chapter 1 in Scientific Assessment of Ozone Depletion: 2014, Global Ozone Research and Monitoring Project-Report No.55, 416 pp., World Meteorological Organiz

December 30, 2014
Author(s)
Lucy J. Carpenter, Stefan Reimann, Andreas Engel, Stephen Montzka, James B. Burkholder, Cathy Clerbaux, Bradley Hall, Shari A. Yvon-Lewis, Donald R. Blake, Marcel Dorf, Geoffre S. Dutton, Paul J. Fraser, Lucien Froidevaux, Fran?ois Hendrick, Jianxin Hu, Ashley Jones, Paul B. Krummel, Lambert J. Kuijpers, Michael J. Kurylo, Qing Liang, Emmanuel Mahieu, Jens M?hle, Simon O?Doherty, Keiichi Ohnishi, Vladimir L. Orkin, Klaus Pfeilsticker, Matt Rigby, Isobel J. Simpson, Yoko Yokouchi
Changes in the global atmospheric abundance of a substance are determined by the balance between its emissions and removal. Declines observed for ozone-depleting substances (ODSs) controlled under the Montreal Protocol are due to global emission reductions

Absolute line intensities for oxirane in the 11.4 micron spectral region.

December 15, 2014
Author(s)
Walter J. Lafferty, Jean-Marie Flaud, Fridolin Kwabia
Absolute individual line intensities of numerous transitions of the fundamental ν15, ν12 and ν5 bands of oxirane (ethylene oxide, cyc-C2H4O) have been measured in the 790-940 cm-1 region using seven high-resolution Fourier transform spectra recorded at 0

Influence of the central mode and soft phonon on the microwave dielectric loss near the strain-induced ferroelectric phase transitions in Sr n+1 uTi n uO 3n+1 u*

November 12, 2014
Author(s)
V. Goian, S. Kamba, D Nuzhnyy, Nathan Orloff, T. Birol, C.-H Lee, D. G. Schlom, James Booth
Recently, Lee et al. [1] used1% tensile strain to induce a ferroelectic instability in thin films of Srdn+1uTi nuO 3n+1u (n=1-6) phases. They showed that the Curie temperature T cu gradually increased with n, reaching 180 K for Sr7Ti6O19 (n=6). The

Photochemical Properties of Hydrofluoroethers CH3OCHF2, CH3OCF3, and CHF2OCH2CF3: Reactivity toward OH, IR Absorption Cross Sections, Atmospheric Lifetimes and Global Warming Potentials

September 22, 2014
Author(s)
Vladimir L. Orkin, Victor Khamaganov, A G. Guschin
Rate constants for the gas phase reactions of OH radicals with three partially fluorinated ethers, CH3OCF3 (kHFE-143a), CH3OCHF2 (kHFE-152a), and CHF2OCH2CF3 (kHFE-245fa), were measured using a discharge flow – electron paramagnetic resonance technique

Degrees of Equivalence for Chemical Measurement Capabilities: Primary pH

September 10, 2014
Author(s)
David L. Duewer, Kenneth W. Pratt, Chainarong Cherdchu, Nongluck Tangpaisarnkul2 Nongluck Tangpaisarnkul2, Akiharu Hioki, Masaki Ohata, Petra Spitzer, Michal M?ri?ssy, Leo? Vysko?il
The Key Comparison (KC) studies of the Consultative Committee for Amount of Substance – Metrology in Chemistry (CCQM) help ensure the reliability of chemical and biochemical measurements relevant to international trade and environmental , health , and
Displaying 776 - 800 of 3672
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