نتایج جستجو برای: waterways length
تعداد نتایج: 308991 فیلتر نتایج به سال:
Heavy metals are one of the dreadful environmental pollutants. Its toxicity is a menace to the ecosystem and has attracted global concern over the decades. The attendant uncontrolled disposal and recycling of electronic-waste (e-waste) has greatly influence the elevated concentration of heavy metals observed in Nigeria waterways. This study was carried out to investigate the frequency of the de...
P. Novak, Consultant In his paper the author has made a very useful contribution to the subject of prediction of oxygen content downstream of spillways, particularly in the case of surface aeration. However, some of the analysis referring to previously published results of oxygen uptake at hydraulic structures is not always rigorous enough. 40. The equations quoted for Avery and Novak apply to ...
1 Department of Biological Sciences The University of Southern Mississippi 118 College Drive, #5018 Hattiesburg, Mississippi 39406-5018 2 Southern Research Station U.S. Forest Service U.S. Department of Agriculture 1000 Front Street Oxford, Mississippi 38655 3 Waterways Experiment Station EE-A Engineer Research and Development Center U.S. Army Corp of Engineers 3909 Halls Ferry Road Vicksburg, ...
Title: Modeling Sediment-Controlled TMDLs for the Branched and Braided Networks of Waterways in Louisiana: Model Development and Application to the Amite River Basin Project Number: 2005LA31B Start Date: 3/1/2005 End Date: 2/28/2006 Funding Source: 104B Congressional District: 6 Research Category: Engineering Focus Category: Models, Solute Transport, Water Quality Descriptors: None Principal In...
Since discharge limits are becoming stricter for industrial wastes, textile manufacturers are searching for 3fficient and economical methods of pollution reduction. This is typical of :he situation facing the textile ndustry, especially in the area of :olor pollution emitted into the zarth's waterways. Ozone treatment ;o remove color from wastewater :ould be a solution to the problem of
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