ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - ATMOSPHERIC CHEMISTRY ppsx

... polycyclic aromatic ketones and quinines, steroids, N-containing com- pounds, regular steranes, pentacyclic triterpanes, and iso- and anteiso-alkanes (Seinfeld and Pandis, 1998). Secondary organic ... condensation of low-vapor-pressure oxidation products of organic gases. The first step in organic-aerosol production is the formation of the low-vapor-pressure compound in t...

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

... Relationships Relevant to Ecologi- cal Effects of Acid Rainfall. U.S. EPA Report EPA-660/ 3-7 5-0 32, 46 pp. Seinfeld, J.H. (1986), Atmospheric Chemistry and Physics of Air Pollution. John Wiley ... 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 interp...

Ngày tải lên: 10/08/2014, 20:20

... 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 ... polluted gases is negligible under the usual atmospheric conditions and the refractive index of atmospheric conditions and the refrac- tive index of atmospheric aer...

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

... to apply his law of the minimum as rigidly as some have interpreted it, and we can best envision nutrient limitation from the standpoint of the balance and interac- tions of the whole nutrient ... north end of the lake and the southern end of the lake showed differ- ent periods of high productivity. This variability in productivity may be influenced by sewage discharge...

Ngày tải lên: 10/08/2014, 20:20

... primarily of bacteria, protozoa, and fungi, coats the surface of filter media. The activity in biological film is aerobic, with move- ment of oxygen, food and end-products in and out of it as ... Municipal Wastewater, Encyclopedia of Environmen- tal Science and Engineering, Vol. 1, edited by J. R. Pfafflin and E.N. Ziegler, Gordon and Breach, New York. 2. Gates,...

Ngày tải lên: 10/08/2014, 20:20

... nonprofit Environmental Coalition of South Seattle (ECOSS), which pro- vides direct, door-to-door assistance to manufac- turing and industrial businesses in environmental cleanup and pollution-prevention ... support and broadens community affiliations. COMMON AND LEGAL DEFINITIONS The EPA and other environmental- and health-protection agen- cies base their regulations...

Ngày tải lên: 10/08/2014, 20:20