ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NOISE pptx
... intermittent exposure and Ϫ1.6 dBA for a margin of safety. NON-AUDITORY EFFECTS OF NOISE The relationship between long-term exposure to industrial noise and the probability of noise- induced hearing ... Group, LLC 776 NOISE well-documented. And, we can estimate the effect of intru- sive noise on speech intelligibility and masking of warn- ing signals. Equivalen...
Ngày tải lên: 10/08/2014, 20:20
... Metals Because of their antibacterial and antifungal activity, com- pounds of mercury, silver, copper and tin are of importance from both medical and industrial points of view (Hugo and Russell, ... mea- surement of post-incubation opacity corresponding to stan- dard survivor levels (Needham, 1947), and also measurement of cell volume increase following post-exposure...
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
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - PCBs AND ASSOCIATED AROMATICS pptx
... components of Yusho oils were primarily tetra- and pentaCBs with lesser quantities of tri-, hexa- and hepta- CBs and small quantities of octa- and nonCBs. In contrast to the predominance of tetra- and ... toxic effects of European PCBs and the con- centration levels of PCDFs. The major PCDF components contained in Yusho oil were the highly toxic 2,3,7,8-tetra- CDF...
Ngày tải lên: 10/08/2014, 20:20
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - PLANNING FOR NEW PROCESSES: ENVIRONMENTAL ASPECTS pptx
... ASPECTS 997 Land and Waterway Use The purpose of the land and waterway use—demographics effort is to: 1) determine the existing land use of the site and existing and future land and waterway ... elements of the lotic and lentic environ- ments are identified. Evaluation of potential impacts of the construction and operation of the proposed facility consist...
Ngày tải lên: 10/08/2014, 20:20
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - PLANNING WATER SUPPLY AND SANITATION PROJECTS IN DEVELOPING NATIONS pptx
... training of central government officials and engineers; local govern- ment officials, residents and technicians; on-the-job training of operators; and users education. Government officials ... covering types and size of box and can, method of emptying and cleaning of the cans, and ultimate disposal of the human waste. A speedy and convenient way is to use identic...
Ngày tải lên: 10/08/2014, 20:20
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - REMOTE SENSING pptx
... 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
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - THE TERRESTRIAL SYSTEM pptx
... are in space and that all of our concern is with the fact that our space-vehicle Earth and its life-energy-giving Sun, and the tide-pumping Moon can provide ample sus- tenance and power for ... observed behaviors of any of the system ’ s separate parts of any subas- sembly of the system ’ s parts. There is nothing in the chemis- try of a toenail that predicts the existe...
Ngày tải lên: 10/08/2014, 20:20
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - URBAN AIR POLLUTION MODELING pptx
... Pollution Meteorology” Ency- clopedia of Environmental Science and Engineering, Vol. 1, Gordon and Breach, New York. Panofsky, H.A. and Prasad, B. (1967), The effect of meteorological factors ... Friedlander, S.K. and Seinfeld, J.H. (1969), A dynamic model of photochem- ical smog, Environmental Science and Technology, 3, pp. 1175–1181. Frohn, L.M., Christensen,...
Ngày tải lên: 10/08/2014, 20:20
encyclopedia of environmental science and engineering, fifth edition
... (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