Air Quality Part 2 ppt

... or urea (H 2 NCONH 2 ) to reduce NOx to nitrogen and water. The overall reactions using ammonia as the reagent are: SOHOSH 2 2 2 22 2    22 ) OHNNONH 2 12 2 7 2 6 3 8    23 ) The ... (NH 3 ) or urea (H 2 NCONH 2 ) to reduce NOx to nitrogen and water. The overall reactions using ammonia as the reagent are: SOHOSH 2 2 2 22 2  22 ) OHNNONH 2 12...

Ngày tải lên: 20/06/2014, 23:20

... i i N , (23 ) 1 2 1           ˆ ˆ { [( ) ( )]/ } N BR i i i N , (24 ) 1 2 2 1        [ ( ) / ] N i i N , (25 ) 1 2 2 1        ˆ ˆ ˆ [ ( ) / ] N i i N . (26 ) ... 0.00 0.05 0.10 0.15 0 .20 0 .2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 C p (kg/m 3 ) h / H 0.0 0.5 1.0 1.5 2. 0 2. 5 3.0 0 .2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Air exchange rate (1/h)×1...

Ngày tải lên: 20/06/2014, 11:20

... (right side of the figure). 0% 20 % 40% 60% 80% 100% 0:54-1:55 2: 22- 3 :22 3:31-4:31 5 :28 -6 :29 % Organic % SO4 % NO3 0 0.5 1 1.5 2 0:54-1:55 2: 22- 3 :22 3:31-4:31 5 :28 -6 :29 ug Oxalic Acid 4-oxopentanoic ... (right side of the figure). 0% 20 % 40% 60% 80% 100% 0:54-1:55 2: 22- 3 :22 3:31-4:31 5 :28 -6 :29 % Organic % SO4 % NO3 0 0.5 1 1.5 2 0:54-1:55 2: 22- 3 :22 3:3...

Ngày tải lên: 20/06/2014, 11:20

... London 2. 329 0.053 0.711 Brampton 2. 8 72 0. 024 0.938 Markham 2. 263 0.058 0.830 Windsor 5.694 0.001 0. 925 Kitchener 3.191 0.015 0.899 Vaughan 2. 856 0. 024 0.893 Burlington 1.765 0. 121 0.861 ... London 2. 329 0.053 0.711 Brampton 2. 8 72 0. 024 0.938 Markham 2. 263 0.058 0.830 Windsor 5.694 0.001 0. 925 Kitchener 3.191 0.015 0.899 Vaughan 2. 856 0. 024 0.893 Burli...

Ngày tải lên: 20/06/2014, 23:20

... below the threshold of 20 0 µg/m³. CO comparison - hourly mean values 0 1 2 3 4 5 6 25 .09 .20 07 26 .09 .20 07 27 .09 .20 07 28 .09 .20 07 29 .09 .20 07 30.09 .20 07 01.10 .20 07 02. 10 .20 07 date mg/m 3 CO - Timisoara ... Fig. 23 . Comparative CO one hour mean values. NO, NO 2 comparison - hourly mean values 0 50 100 150 20 0 25 0 300 350 400 450 25 .09 .20 07 26 .09...

Ngày tải lên: 20/06/2014, 23:20

... multidimensional air quality models. J. Environ. Sci. Technol. 20 03, 37, 24 42 24 52. Hanna, S.R. Air quality model evaluation and uncertainty. J. Air Pollut. Control Assoc. 1988, 38, 406–4 12. Hanna, ... multidimensional air quality models. J. Environ. Sci. Technol. 20 03, 37, 24 42 24 52. Hanna, S.R. Air quality model evaluation and uncertainty. J. Air Pollut....

Ngày tải lên: 20/06/2014, 23:20

... 0.00 0.05 0.10 0.15 0 .20 0 .2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 C p (kg/m 3 ) h / H 0.0 0.5 1.0 1.5 2. 0 2. 5 3.0 0 .2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Air exchange rate (1/h)×100 h / H 0.0 0.5 1.0 1.5 2. 0 2. 5 3.0 0 .2 ... selected domains; (a) aligned, (b) staggered. 2 5 7 2W W /2 3 4 6 1 2 3 1 5 7 2B 4 6 Air Quality...

Ngày tải lên: 20/06/2014, 23:20

... and 1,3,5-TMB is presented in figures 2a, 2b and 2c. Air Quality2 52 0 2 4 6 8 10 12 14 16 0 5 10 15 20 25 N O 2 p p b N O p p b Y e a r 20 05 20 06 20 07 15 20 25 30 35 40 45 50 35 40 45 50 55 60 65 70 75 O ... a r 20 05 20 06 20 07 0 1 2 3 4 5 6 7 0 5 10 15 20 25 30 35 40 S O 2 p p b N O x p p b Y e a r 20 05 20 06 20 07 0 5 10 15 20 25 30 50 100 150...

Ngày tải lên: 20/06/2014, 23:20

... ( o c) 20 -26 32. 5 1 .2 29.3 33.9 29 .7 1.0 27 .8 30.8 RH (%) 40-60 65.5 2. 3 62. 6 71.3 72. 9 2. 4 69.8 78.4 CO ppm 10 1.1 0 .2 0.5 1.8 2. 0 ... ( o c) 20 -26 32. 5 1 .2 29.3 33.9 29 .7 1.0 27 .8 30.8 RH (%) 40-60 65.5 2. 3 62. 6 71.3 72. 9 2. 4 69.8 78.4 CO ppm 10 1.1...

Ngày tải lên: 20/06/2014, 23:20

... (EPA). 19 92. Guidelines for exposure assessment, 57 FR 22 888. Environmental Protection Agency (EPA). 1996. Proposed Guidelines for Carcinogen Risk Assessment, Report No. EPA/600/P- 92/ 003C, U.S. ... 10(1):15. Patrick, D.R. 19 92. The Impact of Exposure Assessment Assumptions and Procedures on Estimates of Risk Associated with Exposure to Toxic Air Pollutants, Paper No. 92- 95. 02, Pres...

Ngày tải lên: 11/08/2014, 09:21