نتایج جستجو برای: atmospheric composition

تعداد نتایج: 332625  

Journal: :physical chemistry research 0
avatef handali department of chemistry, ahvaz branch, islamic azad university, ahvaz, iran sina kianersi acecr-production technology research institute, ahvaz, iran

densities and viscosities of binary mixtures of methyl tert-butyl ether (mtbe) with 1-alkanols include 1-butanol, or +1-pentanol, or +1-hexanol, or +1-heptanol were measured as a function of composition from 293.15 to 308.15 k at atmospheric pressure. the temperatures studied were 293.15, 298.15, 303.15 and 308.15 k. the experimental results have been used to calculate the viscosity deviation d...

Journal: :Optics express 2010
Elena Shchepakina Olga Korotkova

We present a detailed investigation, qualitative and quantitative, on how the atmospheric turbulence with a non-Kolmogorov power spectrum affects the major statistics of stochastic electromagnetic beams, such as the spectral composition and the states of coherence and polarization. We suggest a detailed survey on how these properties evolve on propagation of beams generated by electromagnetic G...

2002
Morris E. Fine Semyon Vaynman Gautam Ghosh

• Introduction • Steel Composition and Mechanical Properties • Welding of Steel • Microstructure of NUCu-OSM Steel • Estimate of Atmospheric Corrosion Resistance of NUCu-OSM Steel • Summary • Acknowledgment • References • Appendix 1. Monotonic Tensile Stress-Strain Curves for NUCu-OSM Steel • Appendix 2. Steel Compositions and Concentration Ranges in Data Bases Used for Atmospheric Corrosion Ra...

Manganese oxide catalyst promoted with sodium and supported on silica exhibits fairly good activity and selectivity towards the synthesis of ethylene from methane at the optimum operating conditions. Methane and oxygen were fed into a tubular fixed bed reactor packed with catalyst under atmospheric pressure. The effects of temperature, residence time and feed composition on conversion, selectiv...

Journal: :British Journal of Environment and Climate Change 2012

1998

This paper overviews the short-term (biophysical) and long-term (out to around 100 year timescales; biogeochemical and biogeographical) influences of the land surface on weather and climate. From our review of the literature, the evidence is convincing that terrestrial ecosystem dynamics on these timescales significantly influence atmospheric processes. In studies of past and possible future cl...

1998
DLO Winand

This paper overviews the short-term (biophysical) and long-term (out to around 100 year timescales; biogeochemical and biogeographical) influences of the land surface on weather and climate. From our review of the literature, the evidence is convincing that terrestrial ecosystem dynamics on these timescales significantly influence atmospheric processes. In studies of past and possible future cl...

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