chapter 2 2 2 using environment variables

Heavy Metals in the Environment: Using Wetlands for Their Removal - Chapter 2 doc

Heavy Metals in the Environment: Using Wetlands for Their Removal - Chapter 2 doc

... L1401-frame-C2 Page 22 Monday, April 10, 20 00 9:18 AM 22 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL While lead has long been known as a toxin, the last 20 years has confirmed ... increasing © 20 00 by CRC Press LLC L1401-frame-C2 Page 26 Monday, April 10, 20 00 9:18 AM 26 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL with its transformity (Chapter 4) Emergy ... part of the geological cycle of slow and © 20 00 by CRC Press LLC L1401-frame-C2 Page 24 Monday, April 10, 20 00 9:18 AM 24 HEAVY METALS IN THE ENVIRONMENT: USING WETLANDS FOR THEIR REMOVAL more isolated...

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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 2 docx

Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 2 docx

... GW:1–10 ng/L, SW: 1 24 ng/L, WW: 1.4 29 ng/L MQL: 10 20 ng/L [27 ] MDL: 5 20 ng/L [24 ] 59– 92 [21 ] [26 ] Fate of Pharmaceuticals in the Environment and in Water Treatment Systems TABLE 2. 1 Methods for ... 2 3; MeOH LC-(+)ESI-MS/MS 72 99 MDL: 1–8 ng/L [44] LC-(+/–)ESI-MS/MS SPE: 58– 120 Freeze-drying: 54–1 02 MQLSPE: 2 5 ng/L MQLFreeze-drying: 20 –50 ng/L [46] LC-(+)-ESI-IT-MS GW: 51– 120 SW: 74– 127 ... 100 RP-18, pH 2; MeOH © 20 08 by Taylor & Francis Group, LLC GW, SW, WW Limit of Detection and Quantification Ref [20 ] Deionized water: 80 MQL GW:10 ng/L WW: 25 25 0 ng/L IDL6: 12 32 ng/L LC-(+/–)ESI-MS/MS...

Ngày tải lên: 18/06/2014, 16:20

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AEROSOL CHEMICAL PROCESSES IN THE ENVIRONMENT - CHAPTER 2 docx

AEROSOL CHEMICAL PROCESSES IN THE ENVIRONMENT - CHAPTER 2 docx

... is63 I1 = (1 − B 22 )b1 ( A1g − A1 ) + B 12 b2 ( A2 g − A2 ) − B 22 − B11 + B11 B 22 − B 12 B21 (2. 76) I2 = (1 − B11 )b2 ( A2 g − A2 ) + B21b1 ( A1g − A1 ) − B 22 − B11 + B11 B 22 − B 12 B21 where bi = ... Aerosol Formation 45 REFERENCES 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Laaksonen, A., Talanquer, V., and ... 20 00 by CRC Press LLC Aag Aal − nb kT ln Abg Abl + S 12 σ 12 + (σ 23 − σ13 )S23 (2. 36) L 829 /frame/ch 02 Page 34 Monday, January 31, 20 00 2: 03 PM 34 FIGURE 2. 1 Aerosol Chemical Processes in the Environment...

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Radionuclide Concentrations in Foor and the Environment - Chapter 2 docx

Radionuclide Concentrations in Foor and the Environment - Chapter 2 docx

... the Environment 23 5U 7.0 × 108y 23 1Th 25 h 23 1Pa 3.3 × 104y 22 7Ac 22 y (1%) 22 y (99%) 22 3Fr 22 m 21 5Po 4s 21 9Rn 11 d 22 3Ra 36 m 21 1Bi 2. 1 m 20 7Tl 19 d 22 7Th 8× 10−4s 21 1Pb 4.8 m 20 7Pb FIGURE 2. 3 ... 23 4Pa 23 4U 4 .2 m 2. 4 × 105y 21 8Po 3.8 d 22 2Rn 1.6 × 103y 22 6Ra 7.7 × 104y 23 0Th 3m 21 4Pb 27 m 21 4Bi 20 m 21 4Po 6.4 × 10−5s 21 0Pb 22 .3 y 20 6Pb 138 d 21 0Po 5d 21 0Bi FIGURE 2. 1 Uranium 23 8 decay, showing ... humans © 20 07 by Taylor & Francis Group, LLC DK594X_book.fm Page 27 Tuesday, June 6, 20 06 9:53 AM Radionuclide Sources 23 2Th 1.4 × 1010y 27 22 8Ra 5.8 y 22 8Ac 22 8Th 6.1 h 1.9 y 21 2Pb 0.15 s 21 6Po...

Ngày tải lên: 18/06/2014, 19:20

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Nanotechnology and the Environment - Chapter 2 pptx

Nanotechnology and the Environment - Chapter 2 pptx

... Technical Proceedings of the 20 05 NSTI Nanotechnology Conference and Trade Show, 2: 62 26 © 20 09 by Taylor & Francis Group, LLC 32 Nanotechnology and the Environment 17 Etris, A.F 20 01 Silver and silver ... Library http://www2a.cdc.gov/niosh-nil/index.asp (Accessed June 27 , 20 07) Sweet, L and B Strohm 20 06 Nanotechnolgy — Life-cycle risk management Hum Ecolog Risk Assess., 12: 528 –551 Environmental Defense ... http://physicsweb.org/articles/world/11/1/9/1 (Accessed June 22 , 20 07) 26 Helland, A., P Wick, A Koehler, K Schmid, and C Som 20 07 Reviewing the Environmental and Human Health Knowledge Base of Carbon Nanotubes Environmental Health...

Ngày tải lên: 18/06/2014, 22:20

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Veterinary Medicines in the Environment - Chapter 2 ppt

Veterinary Medicines in the Environment - Chapter 2 ppt

... P 19 92 Ivermectin excreted in cattle dung after sub-cutaneous injection or pour-on treatment: concentrations and impact on dung fauna Bull Entomol Res 82: 257 26 4 © 20 09 by the Society of Environmental ... Biguanide/gluconate Azole Other Dimethicone, poloxalene © 20 09 by the Society of Environmental Toxicology and Chemistry (SETAC) 10 2. 2.3 Veterinary Medicines in the Environment COCCIDIOSTATS AND ANTIPROTOZOALS ... et al 1995) © 20 09 by the Society of Environmental Toxicology and Chemistry (SETAC) 16 Veterinary Medicines in the Environment 2. 4 SUMMARY The impact of veterinary medicines on the environment...

Ngày tải lên: 18/06/2014, 22:20

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Lake Trout Ecosystems in a Changing Environment - Chapter 2 doc

Lake Trout Ecosystems in a Changing Environment - Chapter 2 doc

... 70: 22 47 22 59 Martin, N.V and Olver, C.H., 1980, The lake charr, Salvelinus namaycush In Charrs: Salmonid Fishes of the Genus Salvelinus, edited by E.K Balon, Dr W Junk, The Hague, pp 20 5 27 7 ... ranging between and 20 cycles (Pielou, 1991; Dawson, 19 92; Gunn and Pitblado, Chapter 1, this volume) Each of these undoubtedly had major impacts © 20 04 by CRC Press LLC Figure 2. 1 Present-day distribution ... Sciences 55: 21 61 21 77 Snucins, E.J and Gunn, J.M., 1995, Coping with a warm environment — behavioral thermoregulation by lake trout, Transactions of the Amererican Fisheries Society 124 : 118– 123 Teller,...

Ngày tải lên: 11/08/2014, 10:21

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Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 2 pot

Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 2 pot

... are very limited TM Copyright n 20 03 by Marcel Dekker, Inc All Rights Reserved MARCEL DEKKER, INC 27 0 Madison Avenue, New York, New York 10016 Chapter 22 2. 2 .2 Humic Matter in Soils of the Wetlands ... 20 03 by Marcel Dekker, Inc All Rights Reserved MARCEL DEKKER, INC 27 0 Madison Avenue, New York, New York 10016 26 Chapter 2. 2.4 Humic Matter in Geologic Deposits Humic matter occurs also in the ... and degradation of TM Copyright n 20 03 by Marcel Dekker, Inc All Rights Reserved MARCEL DEKKER, INC 27 0 Madison Avenue, New York, New York 10016 28 Chapter the environment because the human population...

Ngày tải lên: 11/08/2014, 12:21

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PESTICIDES IN AGRICULTURE AND THE ENVIRONMENT - CHAPTER 2 docx

PESTICIDES IN AGRICULTURE AND THE ENVIRONMENT - CHAPTER 2 docx

... competition for nutrients [15,16 ,24 ,25 ], (2) parasitic competition for infection sites at the root surface [26 ], and (3) induced systemic resistance (discussed in Sec 6.1) [27 29 ] Competition for nutrients ... wilts In: EC Tjamos, GC Papavizas, RJ 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Cook, eds Biological Control of Plant Diseases New York: Plenum Press, 19 92, pp 99–104 RW Schneider Effects of ... three products based on T harzianum KRL-AG2 (strain T -22 ) that are sold by Bio Works, Inc of Geneva, NY They are used in a variety of ways: Bio-Trek 22 G as granules that are broadcast for control...

Ngày tải lên: 11/08/2014, 12:21

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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 2 pptx

Enzymes in the Environment: Activity, Ecology and Applications - Chapter 2 pptx

... Water 9.5 8.4 10 .2 8.7 10.8 28 .8 21 .4 22 .4 24 .5 2. 3 1.7 Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ Ϯ 3.7 2. 1 4.9 2. 6 3.3 9.6 6.8 6 .2 6.3 0.7 0.5 Sediment 12. 6 11 .2 15.1 13.3 14.6 41.0 33.1 35.8 32. 6 22 .8 23 .2 Ϯ Ϯ Ϯ Ϯ Ϯ ... 10 12 20 50 190 1.39 1.80 1.79 6.70 28 .49 59.30 1.64 1.67 1.05 2. 08 0.80 4.53 0.85 1.08 1.70 3 .22 35.61 13.09 77 80 82 91 97 94 12 1.30 1.80 2. 98 161.51 29 7.60 327 .63 2. 51 2. 20 0.99 0.93 2. 08 ... web Marine Microbial Food Webs 7 :22 5 24 8, 1993 Copyright © 20 02 Marcel Dekker, Inc 145 EA Brige, C Juday Organic content of lake water Bull Bur Fish 42: 185 20 4, 1 926 146 EA Birge, C Juday Particulate...

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Heavy Metals in the Environment - Chapter 2 pot

Heavy Metals in the Environment - Chapter 2 pot

... Mn 2 , Fe 2 , Fe 3ϩ, Cu 2 , Zn 2 , Se 4ϩ, Se 6ϩ, and Mo 6ϩ; adsorptive stripping potentiometry for Co 2 , Ni 2 , and Zn 2 ; potentiometric stripping analysis for Cd 2 and Copyright © 20 02 Marcel ... Encyclopedia of Environmental Analysis and Remediation New York: John Wiley & Sons, 1998, pp 27 37 27 42 A Fitch Crit Rev Anal Chem 28 :26 7–345, 1998 E Clement, PW Yang Anal Chem 69 :25 1R 28 7R, 1997 10 ... Sons, 1998, pp 23 16 23 56 21 AL Gray Spectrochim Acta B 40:1 525 –1537, 1985 22 BB Kebbekus, S Mitra Environmental Chemical Analysis London: Blackie Academic and Professional, 1998 23 KJ Stetzenbach,...

Ngày tải lên: 11/08/2014, 15:20

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Product Design for the Environment: A Life Cycle Approach - Chapter 2 potx

Product Design for the Environment: A Life Cycle Approach - Chapter 2 potx

... Secondary or recycled resources © 20 06 by Taylor & Francis Group, LLC 27 22_ C0 02_ r 02. indd 51 12/ 1 /20 05 11:30 :20 AM 52 Product Design for the Environment FIGURE 2. 5 Activity model: Flows of material ... through the various © 20 06 by Taylor & Francis Group, LLC 27 22_ C0 02_ r 02. indd 42 12/ 1 /20 05 11:30:19 AM 43 Life Cycle Approach and the Product–System Concept and Modeling FIGURE 2. 2 system Schematic ... the environmental question held by the single actor “manufacturer,” imposes a sort of “social planner’s view” (Heiskanen, 20 02) © 20 06 by Taylor & Francis Group, LLC 27 22_ C0 02_ r 02. indd 41 12/ 1 /20 05...

Ngày tải lên: 11/08/2014, 21:21

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Radio Propagation and Remote Sensing of the Environment - Chapter 2 pps

Radio Propagation and Remote Sensing of the Environment - Chapter 2 pps

... pass distance L By using our expressions for u and v in Equations (2. 32) and (2. 34), we obtain: ΨF = ω pω H L cos β 2 2c = e NH L cos β NH L cos β = 2. 36 ⋅ 10 2 2π m c f f2 (2. 44) The estimations ... Here, ( ) q ω = 22 , p c ( ) vg ω = c − ωp ω τ= , ( 2 pz c ω −ω 2 p ) (2. 86) By assuming that ω >> ωp for the ionosphere, then: τ= ωp ω 2z = c f e Nz 2. 92 ⋅ 10 2 Nz = π 2mc f (2. 87) And the ... formulas: © 20 05 by CRC Press TF1710_book.fm Page 42 Thursday, September 30, 20 04 1:43 PM 42 Radio Propagation and Remote Sensing of the Environment S0 = ( ) ( ) a − b cos 2 a − b sin 2 a2 + b2 , S1...

Ngày tải lên: 11/08/2014, 21:21

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Modeling phosphorus in the environment - Chapter 2 ppsx

Modeling phosphorus in the environment - Chapter 2 ppsx

... log(qu ) = C0 + C1 log tc + C2 (log tc )2 (2. 22) where the Cs are from a table as a function of Ia/P, with Ia generally taken as 0 .2 S, with S computed from Equation 2. 2 2. 2 .2. 3 Hydrograph Development ... Equation 2. 29 for S in Equation 2. 26 and collecting like terms yields O2 = c0I2 + c1I1 + c2O1 (2. 30) KX − 0.5 ∆t K − KX + 0.5 ∆t (2. 30a) where c0 = − c1 = KX + 0.5 ∆t K − KX + 0.5 ∆t (2. 30b) c2 = ... Runoff volume is computed using the following relationships (SCS 19 72) : Q= S= 25 , 400 − 25 4 , CN ( P − 0 .2 S )2 P + 0.8 S S in mm or S= (2. 1) 1000 − 10 , S in in CN (2. 2) where Q is direct storm...

Ngày tải lên: 12/08/2014, 00:21

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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 2 pot

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 2 pot

... x2(n+1)=b2*y2(n)+a*x2(n) +2* (1-a)*(x2(n)) ^2/ (1+ (x2(n) ^2) ); y2(n+1)=-x2(n)+a*x2(n+1) +2* (1-a)*(x2(n+1) ^2) /(1+ (x2(n+1) ^2) ); end subplot (2, 1,1); plot(x1,y1,'.') title('a=-0.99 b=1') subplot (2, 1 ,2) ; plot(x2,y2,'.') ... x1(n+1)=a*x1(n)-b*(y1(n)-(x1(n)) ^2) ; y1(n+1)=b*x1(n)+a*(y1(n)-(x1(n)) ^2) ; x2(n+1)=a*x2(n)-b*(y2(n)-(x2(n)) ^2) ; y2(n+1)=b*x2(n)+a*(y2(n)-(x2(n)) ^2) ; end plot(x1,y1,'ro',x2,y2,'bx') 2. 8 .2. 1 Demonstration Different orbits for ... borrowed; At k = 2, using Eq (2. 2) and Eq (2. 4), we obtain: y (2) = (1 + r)y(1) – p = (1 + r)2C – p(1 + r) – p (2. 5) At k = 3, using Eq (2. 2), (2. 4), and (2. 5), we obtain: y(3) = (1 + r)y (2) – p = (1...

Ngày tải lên: 13/08/2014, 02:21

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Speech recognition using neural networks - Chapter 2 docx

Speech recognition using neural networks - Chapter 2 docx

... 12 word (unlimited) MARKET triphone (10000) MA,MAR,ARK,RKE,KET,ET$ $ senone (4000) M = 3843 ,22 57,1056; A = 1894, 124 7,38 52; generalized triphone (4000) 1087,486 ,25 02, 986,3814 ,27 15 diphone (20 00) ... (A,A,B) is 096 0 .2 1.0 A: 0 .2 B: 0.8 j=1 0.0 A: 0.7 B: 0.3 0 .2 1.0 08 0.4 0.4 0.6 1.0 j=0 1.0 t=0 0.6 0496 0.4 0.7 0.6 t=1 0.3 1764 0.6 t =2 A 096 0.4 0.7 42 output = 0.8 1.0 output = 0 32 t=3 A output ... (20 00) M,MA,AR,RK,KE,ET $ subphone (20 0) M1,M2,M3; A1,A2,A3; syllable (10000) MAR,KET demisyllable (20 00) MA,AR,KE,ET monophone (50) M,A,R,K,E,T granularity Figure 2. 4: Acoustic models: granularity...

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Chapter 2   literature review design and development of tissue engineering scafflods using rapid prototyping technology

Chapter 2 literature review design and development of tissue engineering scafflods using rapid prototyping technology

... 173-178 6- 12 41.4-55 .2 3-10 1.4 -2. 8 55-60 12- 16 1 .27 1.34 1 .25 27 .6-41.4 3-10 1.4 -2. 8 60-65 >24 1 .24 55 .2- 82. 7 5-10 2. 8-4 .2 PGA 185 -22 5 25 -65 6- 12 1.53 >68.9 15 -20 >6.9 PCL 58-68 - 70 >24 1.11 20 .7-34.5 ... 20 03), swelling (Bezemer et al, 1999; van Dijkhuizen-Radersma et al, 20 02; Deschamps et al, 20 02) [26 ,28 ,29 ], biodegradation rate (Deschamps et al, 20 02) , protein adsorption (Mahmood et al, 20 04) ... neighbours (Figure 2. 2f) a b c d e f Figure 2. 2: Porous materials: (a) 2D aluminium honeycomb, (b) 2D paper-phenolic resin honeycomb, (c) 2D ceramic honeycomb with square pores, (d) 2D ceramic honeycomb...

Ngày tải lên: 14/09/2015, 10:20

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Tài liệu động cơ FORD 6.4L P1- Chapter 2

Tài liệu động cơ FORD 6.4L P1- Chapter 2

... air piping after the air filter 1 12 60 El ectrical Components IAT2 (Intake Air Temperature #2) • The IAT2 sensor is a two (2) wire thermistor type sensor • The IAT2 sensor changes resistance when ... air temperature • The primary function of the IAT2 sensor is to provide a feedback signal to the ECM indicating manifold air temperature • The IAT2 sensor’s internal thermistor forms a voltage ... entering the engine Air passing over the hot wire causes it to cool This hot wire is maintained at 20 0°C (3 92 F) above ambient temperature as measured by a constant cold wire • The current required to...

Ngày tải lên: 20/10/2012, 08:08

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Mechanisms and Mechanical Devices Sourcebook - Chapter 2

Mechanisms and Mechanical Devices Sourcebook - Chapter 2

... to about 6.6 ft/s (2 m/s), but the velocity of some models can exceed 26 ft/s (8 m/s) Ironless linear motors can have continuous force ratings from about to 55 lbf (22 to 24 5 N) and peak force ... ratings of 0. 62 lb-ft (0.84 N-m) to 5.0 lb-ft (6.8 N-m), peak torque ratings of 1.9 lb-ft (2. 6 N-m) to 14 lb-ft (19 N-m), and continuous power ratings of 0.73 hp (0.54 kW) to 2. 76 hp (2. 06 kW) Maximum ... are designed for use in fixed locations where either 120 - or 22 0-VAC line power is available They can have either AC or DC motors Those with 120 -VAC motors can be equipped with optional electric...

Ngày tải lên: 22/10/2012, 14:27

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