ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NON-IONIZING RADIATIONS ppt

... R.A. (1872), Air and Rain: The Beginnings of a Chemical Climatol- ogy. Longmans, Green, and Co., London, England. Stensland, G.J. and R.G. Semonin (1982), Another interpretation of the pH trend ... acidification and that the acid rain is pri- marily the result of long-range transport of pollutants from the heavily industrialized areas of northern Europe. The rain and...

Ngày tải lên: 10/08/2014, 20:20

... Chloroform 6 7-6 6-3 6.0 D007 Chromium 744 0-4 7-3 5.0 D023 o-Cresol 9 5-4 8-7 200.0* D024 m-Cresol 10 8-3 9-4 200.0* D025 p-Cresol 10 6-4 4-5 200.0* D026 Cresol — 200.0* D016 2,4-D 9 4-7 5-7 10.0 D027 1,4-Dichlorobenzene ... 10 6-4 6-7 7.5 D028 1,2-Dichloroethane 10 7-0 6-2 0.5 D029 1,1-Dichloroethylene 7 5-3 5-4 0.7 D030 2,4-Dinitrotoluene 12 1-1 4-2...

Ngày tải lên: 10/08/2014, 20:20

... near-infrared, and mid-infrared portions of the electromagnetic spectrum. The advantages of video systems include low cost, near-real-time image availability, and the ability to collect and ... electro- magnetic radiation in selected bands of the spectrum from approximately 0.3 to 14 m m, including the visible and near-, mid-, and thermal-infrared regions. These individua...

Ngày tải lên: 10/08/2014, 20:20

... retention and removal. Several DMHRF pilot-study installations have been demonstrated for control of CSO pollution. These facilities have used 15. 2-, 30. 5-, and 76.2-cm ( 6-, 1 2-, and 30-in. )- diameter ... (NTIS PB 8 0-1 13459). EPA-670/ 2-7 3-0 77, “Combined Sewer Overflow Seminar Papers,” Novem- ber 1973, USEPA and NYS-DEC (NTIS PB 231 836). EPA-670/...

Ngày tải lên: 10/08/2014, 20:20

... handling the peak to average power of the radiation and the response of the instrument should be fl at over a broad band of frequencies. In terms of desirable broad band characteristics of ... medium per unit mass of the medium, and is expressed in W/kg. Energy absorption is a continuous and differentiable function of space and time and one may speak of its grad...

Ngày tải lên: 10/08/2014, 20:20

... (schematic) as function of time of day, over city and country. 50 40 30 20 0 5 10 15 20 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of time of day, on clear ... The first term on the right-hand side represents the rate of formation of particles of volume v due to coagulation, and the second term that rate of loss of partic...

Ngày tải lên: 01/04/2014, 11:44

... The first term on the right-hand side represents the rate of formation of particles of volume v due to coagulation, and the second term that rate of loss of particles of volume v by coagulation ... light-scattering properties of an individual particle are a function of its size, shape and refractive index. The intensity of scattered light is a function of the scat...

Ngày tải lên: 10/08/2014, 20:20

... competition. (HbCO) (HbO) 210 PC O PO 22  (HbCO) and (HbO 2 ) are the concentrations of carboxyhemo- globin and oxyhemoglobin, and PCO and PO 2 are the partial pressures of carbon monoxide and oxygen. Inspiration of air containing ... presence of different con- centrations of ambient carbon monoxide and the effect of various levels of activity on the rate of u...

Ngày tải lên: 10/08/2014, 20:20

... of time of day, over city and country. 50 40 30 20 05101520 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of time of day, on clear day (solid line) and ... (m) A - EXTREMELY UNSTABLE B - MODERATELY UNSTABLE C - SLIGHTLY UNSTABLE D - NEUTRAL E - SLIGHTLY STABLE F - MODERATELY STABLE A B C D E F A - EXTREMELY...

Ngày tải lên: 10/08/2014, 20:20

... methods for control of selenium and its compounds. However, based on the properties and on the methods of recovery and purification of selenium wet scrubbers and high- voltage electrostatic ... contribution of vanadium in the lignite deposit and the ash Use of additives: Use of magnesium oxide in oil-fired burners, resulting in the reduction of fine particulat...

Ngày tải lên: 10/08/2014, 20:20