interference with signal transduction in the nerves
Contaminated Ground Water and Sediment - Chapter 1 ppt
... mixing the discharge and reducing contaminant concentrations contained within the discharge is turbulence The distinction between the two regimes lies in the source of this turbulence In the ... Lethality to passing organisms within the mixing zone can be prevented in one of the following four ways: • • The Þrst alternative is to meet the CMC criterion within the pipe itself The second alternative ... resulting in a plurality of terminology For those discharges, the mixing zone is labeled as the ZID in which rapid mixing of the waste stream (usually the rising buoyant fresh water plume within the...
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Báo cáo " Community based coastal resources management behind changes in surface water environment and land policy: A case study in the Tam Giang Lagoon, Central Vietnam " ppt
... With these regulations, the resource users, instead of independent unit in using the lagoon’s resources as before, have to join in the FA When they become the FA’s member, they will have legal personality ... sustainable utilization The resource users continue to exploit resources without considering fisheries size, even some individual use electric tools for fishing In the process of finding a sustainable ... each other in exploiting and aquaculture within its team” There are 75 households who participated in these teams Some of these members are also the households that have been mentioned in the FA...
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Engineering of oligopeptide modified surface for metal ion adsorption and sensing applications
... above, the side-chain groups of amino acid contain the potential sites for the binding with metal ions Therefore, the oligopeptides with different amino acid sequences may increase their specificity ... changes in the aqueous phase They demonstrated that the pH-dependent changes in the orientation and optical appearance of LC arose from the changes in the ordering of the polymer at the interface ... NH2-termini, they can attach to the aldehyde-terminated surface in a variety of orientations, permitting different sides of the protein to interact with other proteins or small molecules in solution...
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Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
... in An Binh can be rated as a alkaline-earth water with higher alkaline content with a predominantly hydrogen carbonatic content whereas in Hoa An there is alkaline ground water with a predominantly ... use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used for the drinking and the ... carried out The investigations were carried out by the end of the rainy season 2003 The parameters and analytical methods are listed in table The results of the analyses were tested on their plausibility...
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Ground Water and Surface Water A Single Resource-U.S. Geological Survey Circular 1139 pot
... Figure 9A), or they both, gaining in some reaches and losing in other reaches For ground water to discharge into a stream channel, the altitude of the water table in the vicinity of the stream must ... water, the altitude of the water table in the vicinity of the stream must be lower than the altitude of the stream-water surface Contours of water-table elevation indicate gaining streams by pointing ... throughout the Nation, but they cover the largest areas in the glacial terrain of the north-central United States, coastal terrain along the Atlantic and gulf coasts, and riverine terrain in the lower...
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Hydraulic modeling of open channel flows over an arbitrary 3-d surface and its applications in amenity hydraulic engineering
... producing a spiral flow towards the center Applying the Kelvin’s theorem, the circulation is conserved therefore the velocity at the center is infinite If the pressures remain hydrostatic, the ... hence they possess the advantage of reduction in computational cost while maintaining the accuracy when applied to flow in a channel with linear or almost linear bottom/bed But indeed, in many ... classified into two groups namely: the depth-averaged models in Cartesian coordinate system and the depth-averaged models in generalized curvilinear coordinate system The basic assumption in deriving these...
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Ground Water Pollution and Emerging Environmental Challenges of Industrial Effluent Irrigation: A Case Study of Mettupalayam Taluk, Tamilnadu pptx
... administration is supplying drinking water to households the impact in the domestic sector has been minimised It has also been noticed that in some locations industries are supplying drinking ... contaminating the neighbouring wells Observations from Multi-stakeholder Meeting A multi-stakeholder meeting was organised as a means of disseminating the primary findings, raising awareness and finding ... pollutants to the groundwater through seepage and leaching, causing contamination As a result, farmers in the adjoining areas find the ground water unsuitable for irrigation Drinking water wells...
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Simulation of Ground-Water Flow and Evaluation of Water-Management Alternatives in the Assabet River Basin, Eastern Massachusetts pptx
... Shrewsbury, a densely populated town in which all water used in the basin in 1997– 2001 originated in the adjacent Blackstone River Basin In the eight towns in the basin without public-water systems ... streamflow in September in the Assabet River about doubled at the outlet of the Main Stem Headwaters subbasin and increased by about percent at the outlet of the Main Stem Upper subbasin These increases ... practices in the upper part of the basin Description of the Study Area The Assabet River Basin (fig 1) encompasses an area of 177 mi2 within the Merrimack River Basin in eastern Massachusetts The study...
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City clusters in China: air and surface water pollution ppt
... trends in China Beijing, China: China Water and Power Press Liu CM and He XW 1996 Strategies for sustainable water resources development in China in the early 21st century Beijing, China: Beijing ... southern China slightly higher than the 1.29 g L–1 found in the Patuxent River estuary in the United States (McConnell et al Atrazine 2004) In fact, the high concentrations of atrazine in the ... the enactMeanwhile, the Central-China plains city cluster in the ment of more stringent controls on industrial sources of same province is also growing very quickly These devel- wastewater; in...
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WATER RESOURCES MANAGEMENT AND MODELING pptx
... that the data line in groupings that are linear in form The other important assumptions include that the variables are random and measured on either an interval or a ratio scale In addition, the ... and Other (x) The class “other” was assigned to gauges that did not fall in the Monongahela or Gauley drainage basins Running the discriminant analysis in Minitab produced the results shown in ... of SWPS delineates the upstream contributing area for a surface water intake in the following way First, the user locates the surface water intake and makes sure the intake is on the raster stream...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 1 potx
... mentioning their names Their names are, of course, included in the Reference section Finally, I would like to thank you for buying the book I hope you will find the book useful in maximizing the ... scripting language built into ArcView Avenue’s full integration with ArcView benefits the user in two ways: first, by eliminating the need to learn a new interface; second, by letting the user work with ... 90% of the water utilities in the U.S were using GIS technology by the end of the year 2000 The use of GIS as a management tool has grown since the late 20th century In the past 10 years, the number...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 3 docx
... SUMMARY The increasing use of GIS is contributing to a renewed interest in remote sensing — the process of observing and mapping from a distance GIS technology is promoting the use of remote sensing ... fraction of their original file size while maintaining the original image quality Images become scalable and can be reduced, enlarged, zoomed, panned, or printed without compromising integrity MrSID’s ... 1997 USGS study for the California Gulch Superfund Site in Leadville, Colorado, demonstrated an application of remote sensing in locating and pinpointing sources of acid mine drainage and a tremendous...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 4 docx
... delineating sewersheds Burning in the DEMs with streams improves the accuracy of delineated watersheds in flat areas Burning in the DEMs with sewers may improve the delineated sewersheds Adding ... watersheds using the Hydro pull-down menu options, with the output grid from each step serving as the input grid for the next step: • Import the raw USGS DEM • Fill the sinks using the “Fill Sinks” ... as 30-min), and 1˚ units The 7.5- and 15-min DEMs are included in the large-scale category, whereas 2-arc-sec DEMs fall within the intermediate-scale category and 1˚ DEMs fall within the smallscale...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 5 pptx
... revolution in GIS data collection It is providing an efficient and increasingly popular way for collecting both the location (coordinates) and the attributes data in the field The new line of GPS ... coordinates for the GIS features Initially, these coordinates were manually entered into the GIS database Most GPS receivers record their data in an American Standard Code for International Interchange ... show the lines and points along with their attributes The flow direction of the lines is also displayed to ensure that proper connectivity has been established for the system The plots are then...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 6 ppt
... divisions to exchange information freely, allowing departments to maintain their own data within the enterprise framework while feeding the GIS Such an approach benefits everyone In 2001, the City started ... management ordinance The Internet is the fastest growing and most efficient technology for distributing GIS data to the public The Internet and the World Wide Web (WWW or Web) are simplifying how the maps ... one of the project polygons to obtain the most recent information about that project After a project has been completed, the engineering information (including redlines) is used to update the spatial...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 7 docx
... recreationgrade GPS receiver for iPAQ The GPS unit comes in the form of a sleeve that the iPAQ can slide into, as shown in the bottom part of the figure According to the manufacturer, this GPS receiver ... This arrangement would eliminate the need to pan and zoom around the map file to find the inspection location; the GPS connection can automatically center the map on the inspection location Note ... crews are accustomed to using The main advantage of a mobile GIS is that it eliminates postprocessing of paper data in the office Mobile GIS is the result of advances in four key areas: (1) field...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 8 ppsx
... screenshot of the ArcMap version of the water editing tool The right window shows the form for adding and editing point and line features The left window shows the form for editing point attributes ... started by drawing and attributing the points After the points are attributed, the connecting lines are added from point to point The application prompts the user to select the upstream and the downstream ... showing pipes classified by diameter with the ArcInfo file format, ArcView was installed in the Borough for routine display and plotting of maps and querying the GIS database Figure 8.1 shows the...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 9 docx
... the side of the line in which the wye is located The direction of the measurements is the direction in which the line was inspected The direction is either “against the flow” (from the downstream ... aesthetically appealing data set The wyes are kept in a separate Shapefile rather than being added to the existing sewer theme in order to maintain the connectivity of the main lines A sample lateral ... manholes The sewer length from the inspection log is entered as well as the beginning distance (usually zero) The user then indicates the direction of the measurements, the wye measurement and the...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 10 pps
... HRAP coordinate system to the coordinate system being used by the model The accuracy of radar rainfall estimates can be improved substantially by calibrating the radars using the point rain-gauge ... by clicking on a map of monitoring sites GIS facilitates studying the spatial trends in the monitoring data GIS is especially useful in processing and integrating radar rainfall data with H&H ... load run, the user identifies a study area by interactively defining a polygon on the screen The program then processes information in the background, extracting land-use information for the study...
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GIS Applications for Water, Wastewater, and Stormwater Systems - Chapter 11 ppsx
... programs All these models were contained within a GUI environment within ArcInfo GIS The software was written in AML, the ArcInfo scripting language There were external calls to the operating system ... buttons to the GIS software The model is executed independently of the GIS; however, the input file is created in the GIS The main difference between the interchange and interface methods is the automatic ... linked to the polygon topology of the census blocks Only those attributes pertinent to the model are retained within the working layers The population (or other demographic parameters) within...
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