sample calculation for the transport of pce liquid through concrete via diffusion
HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 1 pps
... of the evolution of the term “toxic air pollutant” through the legislative process in the U.S He also discusses the formal coining of the term “hazardous air pollutant” in the Clean Air Act of ... publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use Neither this book nor any ... under other sections of the Act A key product of the IUATS is the designation of 33 of the 188 HAPs as those causing the greatest potential risks to public health in urban areas That set of 33...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 2 pps
... based largely on the designation of chemicals in the CRC Handbook of Chemistry and Physics13 and on the known nature of the HAPs The primary properties thus assembled for all the HAPs were vapor ... compose the majority of the nonvolatile class of HAPs, i.e., those compounds found exclusively in the particulate phase in the atmosphere For the volatile and very volatile HAPs, further chemical ... a result of the water solubility of certain VOCs, the VOCs were also ranked on the basis of their solubility in water at 25° C The most useful literature compilations found were those of Keith...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 3 ppt
... that application of any sampling or analysis method for HAPs must consider not only the properties of the target compounds and the conditions of sampling, but also the nature of the overall sampling ... terms of method development needs for the HAPs, the most cost-effective approach would probably be further development of the likely methods that exist for the HAPs with no applicable methods The ... further verification of HAPs methods is needed, even for applicable methods The existence of applicable methods for 134 of the HAPs may present an optimistic picture of the state of HAPs measurement...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 4 pot
... adequately the exposure of the U.S population to those chemicals For many of the HAPs, therefore, the representativeness of the existing data is very limited More measurements of these compounds ... measurements for the 33 high priority HAPs The availability of data for the 33 HAPs in Table 4.2 is generally better than for the 188 HAPs as a whole For most of these HAPs, substantial numbers of recent ... that the number of samples is zero for 60 of the HAPs, i.e., no ambient concentration data were found These features of the HAPs data are presented in more detail in Figures 4.1 and 4.2 for the...
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HAZARDOUS AIR POLLUTANT HANDBOOK: Measurements, Properties, and Fate in Ambient Air - Part 5 (end) docx
... know the products of the transformations, and also whether the rates of the transformations are fast enough to remove the hazardous chemical or to cause the buildup of hazardous levels of the ... levels of the products Therefore, we searched for information on the lifetimes of the HAPs, and the atmospheric processes that control the lifetimes For many of the HAPs, the lifetime is likely ... estimates for 21 of the HAPs The transformation product information is much less complete Transformation products have been identified for only half of the 188 chemicals The transformation products formed...
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Characterization and UV disinfection of tropical bacteria in ambient air
... discussion of the different chapters of this thesis is provided here The first chapter deals with the introduction of the problem Chapter deals with the existing literature on the characterization of ... indicate the viability of UV-photocatalysis for degradation of different bacteria However, detail parametric studies are required for continuous disinfection of bioaerosols The objective of our ... hyphae are microscopic, the mycelium is often visible to the naked eye One feature of the fungi shares with plants is the presence of cell walls The fungal wall, consisting of fibrils embedded in...
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NANOCOMPOSITES WITH UNIQUE PROPERTIES AND APPLICATIONS IN MEDICINE AND INDUSTRY ppsx
... toughness, the extent of the crack and the elastic modulus A possible sequence The stress field is formed from: a The applied load b The stress field in the volume of the sample around the indented ... they were used as oxides of the respective metal for the in situ synthesis of the corresponding intermetallic phase The sum of the starting materials; was fitted to the necessary amounts to form ... regardless of the type of damaged layers (i.e., circumferential or longitudinal) The shape of this decrease depends slightly on the location of the damaged layers through the thickness of the laminate...
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Fatigue and Fracture in an Aircraft Engine Pylon pdf
... throat of the lugs on the pylon fitting On the other hand, failure of the outboard mid-spar connection resulted in the male lugs of the wing fitting moving into the throat of the lugs on the pylon ... severe damage to the wing leading edge Many of the components of the #3 engine pylon-to-wing connections of El A1 Flight 1862 were recovered These were (1) the forward part of the upper link, ... is a schematic of the engine pylon-to-wing connections These connections are at the aft end of the upper link, the aft end of the diagonal brace, and at the two mid-spar fittings The design incorporates...
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Báo cáo y học: "TLR4 signalling in pulmonary stromal cells is critical for inflammation and immunity in the airways" pdf
... the role of TLR signalling and the contribution of different cell types in response to aerogenic LPS They focused on the role of the common TLR and IL-1R adaptor molecule, the MyD88 Absence of ... Subsequently the pulmonary epithelium may then participate in the local innate response through the secretion of cytokines and antimicrobial peptides Interestingly, before the identification of TLR4 ... (ECs) that line the airways are the most likely to mediate the effects of LPS, given their exposed position, their known and confirmed expression of TLR4 and their activation of TLR4 dependent...
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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
... and wrote the manuscript with the help of LME MS did the follow up of the cohort of MSM CB helps in the data analysis and in the editing of the manuscript RM designed and coordinated the field ... performed for each segment of the triple HIV-1 recombinant A 300 nt window advanced in 20 nt increments was used B) Diagram of the genes of HIV-1 shows the location of different genes across the ... Acknowledgements The authors wish to thank the medical and administrative staff at the Nexo Asociación Civil NGO for their support in the recruitment of the volunteers, as well as Mr Sebastian A for his...
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QCVN 06 : 2009BTNMT National technical regulation on hazardous substances in ambient air
... means the arithmetic average of the values measured in a period of one hour for the measurements made more than once in an hour, or the value of measurements made once in a period of one hour The ... 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 average: means the arithmetic average of the average ... frequency The largest average value within the measured values obtained in 24 hours is taken to compare with limited values specified in Table 1.2.2 8-hour average: means the arithmetic average of the...
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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
... "Ultra-high-speed 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 ... 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 ... [1] B JB, "International status of thermal error research," Ann CIRP, pp 45-56, 1990 [2] Srinivasa N, Ziegert JC, Mize CD, "Spindle thermal drift measuarement using the laser ball bar," Prec Eng,...
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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
... kg is gases thermal conductivity (W/(m.K)) The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium; hence the temperature of the liquid water is the same as the gas phase ... and the specific surface area [m2/m3] of the porous medium [17] Hence, the unit of β is [W/m3] The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium, i.e., the liquid ... and the fuel cell relies on the ambient relative humidity and water production in the cathode for the humidification of the membrane; (xi.) the circulating ambient air facilitates the cooling of...
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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
... accounts for both gas and liquid phase in the same computational domain, and thus allows for the implementation of phase change inside the gas diffusion layers The model includes the transport of gaseous ... production in the cathode for the humidification of the membrane; (x.) the circulating ambient air facilitates the cooling of the fuel cell in lieu of a dedicated heat management system The model ... kg is gases thermal conductivity (W/(m.K)) The gas phase and the liquid phase are assumed to be in thermodynamic equilibrium; hence the temperature of the liquid water is the same as the gas phase...
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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
... used the five year mean of the year of the baseline examination (within 1985 to 1994) and the preceding four years and, for exposure at follow-up, the means of the years 2002 to 2006 Due to the ... Gelsenkirchen) for conducting the examination of the women We thank U Gehring (then Helmholtz Centrum Munich, Institute for Epidemiology) for geocoding the addresses in the frame of the mortality ... for these women, and the objective exposure assessment Furthermore, 98% of the women did not move during the follow-up period; the neighborhood effects for the majority of the participants did...
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Tài liệu Air pollution removal by urban trees and shrubs in the United States pptx
... likely underestimate the total effect of the forest on reducing ground-level pollutants because they not account for the effect of the forest canopy in preventing concentrations of upper air pollution ... Externality values for O3 were set to equal the value for NO2 Externality values can be considered the estimated cost of pollution to society that is not accounted for in the market price of the goods ... using the median externality values for the United States for each pollutant (Murray et al., 1994) Externality values for O3 were set to equal the value for NOz Bounds of total tree removal of ...
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Tài liệu DEA Position Paper on Ambient Air Pollution and Health doc
... for the Environment 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 ... damage the lungs and increase the risk of premature death Fine particles are able to penetrate further into the lungs and also to enter the bloodstream via the lungs In recent years, a large body of ... evidence Support for the change of the advisory reporting standard for PM 2.5 to a compliance standard in the AAQ NEPM Support for monitoring on potential population risk rather than on population...
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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
... degradation of IL-1b 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 ... independently of the presence of AREs (Fig 6B, lanes and 5) It is possible that in the region located before the AREs, consisting of 343 bp of the 3¢ UTR of the IL-1b transcript, there is a putative ... prevented the increase in the MCPIP mRNA level for both forms (Fig 5A, lanes and 6, upper bands) Moreover, in a co-transfection study with the IL-1b-expressing vector, the level of mRNA for the mutant...
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Báo cáo " The magnetic properties and charge-ordering state in La1-xCaxMnO3 (x = 0.46; 0.50) compounds " doc
... plots for the x=0.46 and 0.50 samples, respectively Fig shows the temperature dependences of the resistance of the samples We can see clearly an abrupt drops at temperature of 156 K and 150 K for ... field of 200 Oe Figure 3: Isothermal magnetization curves for the La0.50Ca0.50MnO3-δ sample measured up to 5T Figure 4: Entropy change as a function of temperature for La1-xCaxMnO3-δ (x=0.50) sample ... (0.99 Å) is smaller than that of La3+ (1.016 Å) [3] Figure 1a, 1b: XPD patterns of the La1-xCaxMnO3-δ samples (x = 0.46, 0.50) Table 1: The lattice parameters of the samples La1-xCaxMnO3-δ with...
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