chemistry and transport of petroleum hydrocarbons
HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 1 pps
... 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...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 2 pps
... 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...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 3 ppt
... 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...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 4 pot
... 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...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 5 (end) docx
... 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...
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Characterization and UV disinfection of tropical bacteria in ambient air
... 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...
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NANOCOMPOSITES WITH UNIQUE PROPERTIES AND APPLICATIONS IN MEDICINE AND INDUSTRY ppsx
... 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...
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Fatigue and Fracture in an Aircraft Engine Pylon pdf
... 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...
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Báo cáo y học: "TLR4 signalling in pulmonary stromal cells is critical for inflammation and immunity in the airways" pdf
... 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...
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Báo cáo y học: " First report of an HIV-1 triple recombinant of subtypes B, C and F in Buenos Aires, Argentina" potx
... 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...
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QCVN 06 : 2009BTNMT National technical regulation on hazardous substances in ambient air
... 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...
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ĐÁNH GIÁ sự hòa TRỘN GIỮA KHÍ và dầu TRONG hỗn hợp bôi TRƠN ổ TRỤC CHÍNH máy CÔNG cụ CNC TRONG ỐNG hòa TRỘN EVALUATION OF MIXTURE BETWEEN AIR AND OIL IN OIL – AIR LUBRICATION MIXTURE OF CNC MACHINE TOOL’S SPINDLE BEARING IN MIXTURE PIPE
... 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...
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A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation
... 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...
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A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
... 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...
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Tài liệu Decline in air pollution and change in prevalence in respiratory symptoms and chronic obstructive pulmonary disease in elderly women pdf
... exposure and change of prevalence of respiratory health outcomes The association of decline in PM10 and NO2 pollution between baseline and follow-up with the prevalence of respiratory symptoms and ... of PM10 and NO2: 48.3 mg/m3 and 46.6 μg/m3 b Exposure decline (average) of PM10 and NO2: 20 μg/m3 and 10 μg/m3 c FEV1 /FVC < 0.7 d FEV1 /FVC < 0.7 and FEV1 < 80% reference value a Estimated and ... Tropical and Public Health Institute, Associated Institute of the University of Basel, Basel, Switzerland University of Basel, Basel, Switzerland 4Institute for Prevention and Occupational Medicine of...
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Tài liệu Air pollution removal by urban trees and shrubs in the United States pptx
... (SO2) ,and carbon monoxide (CO) based on local boundary layer height and pollution removal estimates Bounds of total tree removal of 03, NO2, SO2, and PMlo were estimated using the typical range of ... estimates of R, and Rb were calculated using standard resistance formulas (Killus et al., 1984; Pederson et al., 1995; Nowak et al., 1998) and hourly weather data from nearby airports for 1994 R, and ... removal occurs both day and night and throughout the year as particles are intercepted by leaf and bark surfaces Carbon monoxide removal also occurs both day and night of the in-leaf season, but...
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Tài liệu DEA Position Paper on Ambient Air Pollution and Health doc
... Australia Prof Stephen Boyden AM; Prof Peter Doherty AC; Prof Bob Douglas AO; Prof Michael Kidd AM; Prof David de Kretser AC; Prof Stephen Leeder AO; Prof Ian Lowe AO; Prof Robyn McDermott; Prof Tony ... size and the introduction of compliance standards for PM2.5 Current monitoring and reporting practices for air quality appear inadequate to fully protect public health Outside of large cities and ... Recognition and education of the public and health professionals concerning the contribution to air pollution from fossil fuel combustion and its adverse impacts Improved monitoring and public...
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Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc
... mRNA and also of its own transcript For this reason, the level of mRNA for the wildtype form of MCPIP and the level of mRNA for IL-1b (Fig 5A, lane 3) were lower in comparison to the level of mRNA ... lanes 2,3 and 4, lower band) The levels of mutant and wild-type MCPIP mRNAs were higher when these vectors were co-transfected with a vector overexpressing IL-1b (Fig 5, lanes and 4, upper bands) ... clarify the dynamics and features of this protein Role of MCPIP in regulation of the endogenous IL-1b transcript level After identification of a PIN domain in the MCPIP by use of bioinformatics,...
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Báo cáo " The magnetic properties and charge-ordering state in La1-xCaxMnO3 (x = 0.46; 0.50) compounds " doc
... the contents of Mn3+, Mn4+ ions and the ratios of Mn3+/Mn4+ have been estimated and showed in Tab Sample Table 2: Obtained oxygen deficiencies, determined contents of Mn3+, Mn4+ ions and Mn3+/Mn4+ ... lattice parameters of the samples with x=0.46 and 0.50 are similar (different about some parts of thousand angstroms, please see table 1) However, these values are smaller than those of the undoped ... Fig 2a and 2b show the temperature dependences of magnetization for x=0.46 and 0.50, respectively, in both field cooled (FC) and zero-field cooled (ZFC) modes under an external field of 200 Oe...
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