chemistry and transport of petroleum hydrocarbons

... HAPs in urban areas of the U.S., and our current understanding of the atmospheric transformation products and lifetimes of the HAPs In contrast to other published handbooks and reference literature ... authority of Sections 112(k) and 112 (c)(3) of the Clean Air Act The IUATS is intended to reduce emissions and health risks of air pollution in urban areas, where the variety of sources and density of ... at surface sites, and aboard aircraft; performed data reviews and modeling related to atmospheric chemistry and deposition; and carried out source apportionment of particleand vapor-phase air...

Ngày tải lên: 11/08/2014, 09:21

... into organic and inorganic compounds This initial distinction was based largely on the designation of chemicals in the CRC Handbook of Chemistry and Physics13 and on the known nature of the HAPs ... D.R., Ed., CRC Handbook of Chemistry and Physics, 82nd ed., CRC, Boca Raton, FL, 2001 14 Mackay, D., Shiu, W.Y and Ma, K.C., Illustrated Handbook of Physical–Chemical Properties and Environmental ... DEFINING CHARACTERISTICS OF POLAR AND NONPOLAR VOCS Volatile organic compounds in air consist largely of hydrocarbons and oxygenated hydrocarbons, as well as some nitrogen- and sulfur-containing...

Ngày tải lên: 11/08/2014, 09:21

... a specific HAP because of the degree of documentation and standardization of the method, even though no ambient data were found The primary examples of this are a few CLP and TO- methods Although ... development of software to facilitate mass isolation has made commercial ion trap instruments capable of true MS/MS analysis Issues of cost and instrumental complexity limit the application of direct ... standard methods designated by the Intersociety Committee on Methods of Air Sampling and Analysis, the National Institute of Occupational Safety and Health (NIOSH), the Occupational Safety and...

Ngày tải lên: 11/08/2014, 09:21

... HAPs, such as many of the chlorinated and aromatic hydrocarbons, have been measured tens of thousands of © 2002 by CRC Press LLC times in hundreds of locations The geographic spread of these data ... database of ambient monitoring data.8 Developed for the EPA’s Of ce of Air Quality Planning and Standards (OAQPS), that database encompasses a larger number of chemical species, studies, and measurements ... Regional atmospheric transport and deposition of pesticides in Maryland In: D.A Kurtz (Ed.), Long Range Transport of Pesticides Lewis: Chelsea, MI, 199, 1990 25 Rice, C.P., Samson, P.J and Noguchi, G.E...

Ngày tải lên: 11/08/2014, 09:21

... mutagenic activity of the products of ozone reaction with propylene in the present and absence of nitrogen dioxide, Environ Sci Technol., 19, 1094, 1985 11 Sittig, M., Handbook of Toxic and Hazardous ... reactions of OH with C2H2, CH3CCl3, CH2ClCHCl2, CH2ClCClF2 and CH2FCF3, J Phys Chem., 88, 1222, 1984 85 Jeong, K and Kaufmann, F., Rates of reactions of 1,1,1-trichloroethane (methylchloroform) and ... D.A Kurtz (Ed.), Long Range Transport of Pesticides, Lewis: Chelsea, MI, 115, 1990 96 Voldner, E.C and Schroeder, W.H., Modeling of atmospheric transport and deposition of toxaphene into the Great...

Ngày tải lên: 11/08/2014, 09:21

... profiles of the airborne fungi and 65 xi List of Figures bacteria Figure 4.6 Weekly outdoor concentration profiles of the airborne fungi and 66 bacteria Figure 4.7 Concentration of indoor bacteria and ... profile of airborne bacteria and fungi 63 concentrations Figure 4.4 A typical daily outdoor profile of airborne bacteria and fungi 63 concentrations Figure 4.5 Weekly indoor concentration profiles ... bacteria and fungal concentration profiles 62 4.1.1.3 Weekly concentration profiles of the air- 64 borne bacteria and fungi 4.1.1.4 Influence of meterorological parameters on the 66 concentration of...

Ngày tải lên: 03/10/2015, 20:32

... measurement of erosion wear and measurement of strain distribution New materials with unique properties: Studies on vibrations of composite plates and detailed analysis of methods of joining Cf/C and ... patience and support John Cuppoletti, Ph.D Department of Molecular and Cellular Physiology University of Cincinnati Cincinnati OH USA Part New Materials and Analytic Methods On the Prediction of the ... scales (A and B) of composite structures The purpose of this preliminary study was to predict the behaviour of the composite structure (scale A) from the knowledge of the response of the second...

Ngày tải lên: 29/06/2014, 13:20

... the most probable cause and sequence of damage leading to separation of the #3 engine and pylon from the right wing of the aircraft Finally, a short description is given of the measures instituted ... the UK and USA, the Technion Israel Institute of Technology and the NLR Within the NLR several divisions and departments within divisions assisted in the investigation The NLR Structures and Materials ... Fatigue", to be held in Sheffield, England, in March 1997 It is published with the permission of the Netherlands Department of Civil Aviation (RLD) Division : Structures and Materials \ Prepared : RJHWI...

Ngày tải lên: 08/08/2014, 13:20

... activation of NF-B and MAPK, whereas TRIF and TRAM are critical for late activation of NF-B as well as the activation of IRF-3 [9] There is no consensus about the expression and role of CD14 in ... MyD88, IRAK, and TRAF6 and activation of the transcription factor NF-B Also MAPKs appear to be important mediators of this cell activation process as three of these kinases (p38, Jnk, and ERK1/2) ... known and confirmed expression of TLR4 and their activation of TLR4 dependent signalling cascades upon exposure to TLR4 ligands (LPS, DAMPs, HDM) The intracellular compartmentalization of TLR4...

Ngày tải lên: 12/08/2014, 14:20

... structure and phylogenetic confirmation of the HIV-1 triple recombinant of subtypes B, C and F Subtype structure and phylogenetic confirmation of the HIV-1 triple recombinant of subtypes B, C and F ... sample AR160677 to subtype C (consensus of ETH2220, 92BR025 and IN21068), subtype B (consensus of WR27, MN and RL42) and subtype F (consensus of VI850, FIN9363 and BR020) Neighbor-joining trees with ... (consensus of WR27, MN and RL42) and subtype F (consensus of VI850, FIN9363 and BR020) A 300 nt window advanced in 20 nt increments was used Sample AR160677 represents the first triple recombinant of...

Ngày tải lên: 13/08/2014, 09:20

... DETERMINING METHOD The method for determination of air quality parameters shall comply with guidance of national standards or corresponding analytical standards of international organizations - TCVN 5969:1995 ... with maximum allowable concentration of harmful substances in ambient air 1.1.2 This Regulation applies to assessment of ambient air quality and monitoring of air pollution 1.1.3 T his Regulation ... the arithmetic average of the values measured over a period of consecutive hours 1.2.3 24-hour average means the arithmetic average of the values measured over a period of (a day) 1.2.4 Annual...

Ngày tải lên: 18/05/2016, 15:06

... Journal of Tribology, Vols 133 / 021101-1, 2011 [7] Yeau - Red Jeng, Pay Yau Huang, "Temperature rise of hybrid ceramic and steel ball bearings with oil - mist lubrication," Journal of Tribology, ... thermal behavior of a rolling element upon using oil–air mist lubrication," Journal of Materials Processing Technology 127 (2002) 191–198, 2002 [6] H M Shuyun Jiang, "Investigation of the High Speed ... study of high - precision CNC lathe thermal errors and compensation," Int J Adv Manuf Technol, pp 1-8, 2002 [4] Cheng-Hsien Wu, Yu-Tai Kung, "A parametric study on oil/air lubrication of a high...

Ngày tải lên: 08/06/2016, 12:57

... phenomena in the cell: convective and diffusive heat and mass transfer, electrode kinetics, transport and phase change mechanism of water, and potential fields The behaviour of the fuel cell during operation ... relate the level of over- and undersaturation as well as the amount of liquid water present to the amount of water undergoing phase change In the present work, the procedure of Berning and Djilali ... the cell and the deformation shape of the cell are also shown in figure and respectively Because of the different thermal expansion and swelling coefficients between gas diffusion layers and membrane...

Ngày tải lên: 05/09/2013, 14:58

... of temperature and humidity As a result of in the changes in temperature and moisture, the membrane, GDL and bipolar plates will all experience expansion and contraction Because of the different ... performance, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures The difficult experimental environment of fuel cell systems has ... design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell and...

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 13/02/2014, 12:20