Multimedia Environmental Models - Chapter 4 ppt

... from the troposphere Figure 4. 1 Evaluative environments. ©2001 CRC Press LLC CHAPTER 4 The Nature of Environmental Media 4. 1 INTRODUCTION The objective of this chapter is to present a ... The tem- perature, density, and pressure of the atmosphere fall steadily with increasing height, McKay, Donald. "The Nature of Environmental Media" Multimedia Environmental...

Ngày tải lên: 11/08/2014, 04:20

... Low Low Low High Biotrickling filter Low-medium Low-high Medium-high Low Bioscrubber Low-medium Medium-high High Low-medium Figure 4. 2 Biofilter 82 Environmental Biotechnology dynamics, as examined ... Antagonistic Ammonium-N Calcium Sodium Magnesium Potassium Calcium Ammonium-N Sodium Potassium Magnesium Magnesium Ammonium-N Sodium Calcium Potassium Potassium – Sodium Sodium Ammonium-N Pot...

Ngày tải lên: 09/08/2014, 06:23

... Example Chapter 4 The Nature of Environmental Media 4. 1 Introduction 4. 2 The Atmosphere 4. 3 The Hydrosphere or Water 4. 4 Bottom Sediments 4. 5 Soils 4. 6 Summary 4. 7 Concluding Example Chapter ... McKay, Donald. "Introduction" Multimedia Environmental Models Edited by Donald McKay Boca Raton: CRC Press LLC,2001 Multimedia Environmental Models The F...

Ngày tải lên: 11/08/2014, 04:20

... s/h ¥ 24 h/day = 86 .4 ¥ 10 4 C mol/day Outflow = 8000 m 3 /day ¥ C mol/m 3 = 0.8 ¥ 10 4 C mol/day Thus, 500 = 24 ¥ 10 4 C + 86 .4 ¥ 10 4 C + 0.8 ¥ 10 4 C = 111.2 ¥ 10 4 C C = 4. 5 ¥ 10 4 mol/m 3 Reaction ... LLC Discharge = 40 0 mol/day Inflow = 10 4 m 3 /day ¥ 0.01 mol/m 3 = 100 mol/day Total input = 500 mol/day Reaction rate = VCk = 10 7 m 3 ¥ C mol/m 3 ¥ 10 –3 h...

Ngày tải lên: 11/08/2014, 04:20

... 12 54 2-Nitrophenol Aroclor 1260 4- Nitrophenol 2 , 4- Dinitrophenol Chlorinated Dibenzo-p-dioxins 4, 6-Dinitro-o-cresol 2,3,7,8-Tetrachlorodibenzo-p-dioxin Nitrobenzene Tetrachlorinated dibenzo-p-dioxins ... n/a octachlorodibenzofuran 44 3.8 5x10 –10 1.16x10 –6 8 258 550 5500 55000 55000 n/a 4- chlorophenol 128.56 20 27000 2 .4 43 55 550 550 1700 500 2 , 4- dichlorophenol 1...

Ngày tải lên: 11/08/2014, 04:20

... D T Air 6 ¥ 10 9 4 ¥ 10 4 2 .4 ¥ 10 6 • 0 10 7 0 40 00 40 00 Water 7 ¥ 10 6 0.1 7 ¥ 10 5 693 0.001 1000 700 100 800 Soil 45 000 12.3 5.5 ¥ 10 5 69.3 0.01 0 5535 0 5535 Sediment 21000 24. 6 5.17 ¥ 10 5 6930 0.0001 0 51.7 0 51.7 Total ... at which f is 48 .3, 35 .4, 9.66, and 0.966 Pa. Substituting and rearranging gives t = –1/0.01078 ln (48 .3/96.6), etc., or t is, respectively, 64...

Ngày tải lên: 11/08/2014, 04:20

... J 1 J 4 /J 3 + I 3 D 32 /D T3 + I 4 D 42 /D T4 )/(D T2 – J 2 J 4 /J 3 – D 24 ·D 42 /D T4 ) f 1 = (J 1 + f 2 J 2 )/J 3 f 3 = (I 3 + f 1 D 13 )/D T3 f 4 = (I 4 + f 2 D 24 )/D T4 where J 1 ... + f 4 D 42 = f 2 (D 21 + D 24 + D R2 + D A2 ) = f 2 D T2 Soil (subscript 3) E 3 + f 1 D 13 = f 3 (D 31 + D 32 + D R3 ) = f 3 D T3 Sediment (subscript 4) E 4 + f...

Ngày tải lên: 11/08/2014, 04:20

... products. J. Agric. Food Chem., 42 , 146 9– 147 4, 19 94. 34. Richman, S.J., Karthikeyan, S., Bennett, D.A., Chung, A.C., and Lee, S.M. Low-level immunoassay screen for 2 , 4- dichlorophenoxyacetic acid ... models have been used to construct ELISA calibration curves including four-parameter logistic-log, log–log transforms, logistic-log transforms, and other models. The four- parameter...

Ngày tải lên: 12/08/2014, 04:22

... substitute for human exposure and health risk Micro -environmental concentrations • Micro -environmental monitoring • Micro -environmental modeling Time-activity patterns Good human exposure indicators Difficult ... Manage- ment 1997b :45 ). MOP is a safety factor that accounts for variability and uncertainty in the dose-response relationship for non-cancer effects. A NOAEL, a lowes...

Ngày tải lên: 11/08/2014, 06:22

... shown to inhibit a-amylase, an 54 Environmental Toxicology [16: 54 26/8/ 04 P:/CRC PRESS /43 65 MING-HO.751 (1670) /43 6 5-0 04. 3d] Ref: 43 65 MING-HO YU Chap-0 04 Page: 54 4 5-6 4 Table 4. 2 Metallic Ions ... sites an d areas that have 46 Environmental Toxicology [16: 54 26/8/ 04 P:/CRC PRESS /43 65 MING-HO.751 (1670) /43 6 5-0 04. 3d] Ref: 43 65 MING-HO YU Chap-0 04...

Ngày tải lên: 11/08/2014, 13:22