Environmental sciences
 
Category: Environmental sciences
The purpose of this study is to develop an interactive model for improving learning environment. As multimedia technology becomes more accessible to teachers and learners of other languages,
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Many equations and computer programs are available today to describe the quality of water in streams, rivers and lakes
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material balances express the constraint of conservation of mass, as applied to a process.
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The control of fecal-borne contamination in the Great Bay Estuary of New Hampshire (NH) has been a concern for a number of years, dating back at least to as early as 1944 (NHDES, 2001).
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To protect drinking water resources in the groundwater contribution zone upstream of the well/spring from pollution. Common approach worldwide involves: Protection of water resources by employing
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“A mixing zone is an area where an effluent discharge undergoes initial dilution and is extended to cover the secondary mixing in the ambient waterbody.
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Water is a chemical compound of oxygen and hydrogen and in the gaseous state can be represented by the molecular formula H2O. The isotopes of hydrogen and three isotopes of oxygen exist in nature, and if these are taken into account, 33 varieties of water are possible. The physical properties of liquid water are unique in a number of respects, and these departure from what might be considered as normal for such a compound are of the greatest importance with respect to both the existence of life on earth and the operation of many geochemical processes.
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disease causing organisms (bacteria, viruses, intestinal worms and protozoa) degradable organic matter that depletes dissolved oxygen in water and can cause foul odours suspended solids and sediment − nutrients such as nitrogen and phosphorus, that foster algae blooms in waterways and wetlands
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Removed approximately 250 Salt Cedar Trees Planted 93 Cottonwood poles around pond and finger areas Reduce nitrate Reintroduce native species Increase habitat area
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The basic raw materials for plastic are petroleum and/or natural gas. •Although plastics only consume around 4% of the world’s oil,supplies are becoming depleted
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This guidance is sometimes referred to as the 'Agency ash sampling protocol'. It has been revised to take into account a number of European Standards that have been published in full since the previous version of this document.
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The teaching of program design skills to novices is a core problem in software engineering education. This paper discusses the need to develop a good understanding of the fundamental computational principles and identifies some of the key design skills that should be developed by students.
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By way of introduction, students should understand the broad spectrum of the course as Pisciculture which is defined as an aspect of Aquaculture. It entails the husbandry of fin fish at densities greater than would normally occur under natural conditions purposely to enhance production for human consumption.
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This paper is aimed at all Professionals who work with Symantec Backup Exec and Symantec System Recovery who can leverage this guide to improve general knowledge of Symantec’s Data Protection strategy and wider Information Management capabilities. Professionals can use this document to build availability solutions and data protection strategies – based upon Backup Exec – for all types of organizations.
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Wastewater irrigation is a common practice in developing countries of Asia and Africa and also in the water scarce regions of the developed world like Australia.
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Proper ventilation is essential for maintaining good indoor air quality, yet it places an additional burden on cooling and heating equipment, which must condition air that will soon be exhausted from the building.
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departmentalization the grouping of related functions into manageable units to achieve the objectives of the enterprise in the most efficient and effective manner
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The EPA was assigned the daunting task of repairing the damage already done to the natural environment and to establish new criteria to guide Americans in making acleaner environment a reality.
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The International Classification of Functioning, Disability and Health (ICF) represents a new way for rehabilitation psychologists and other health care providers to classify health and functioning.
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Industrial smokestacks - tall smokestacks do not remove pollutants but simply boost them higher into the atmosphere - reducing their concentration at the site.
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Engine companies carry water in booster tanks and they are capable of drafting water from static sources such as rivers or lakes.
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The Bureau of Overseas Buildings Operations (OBO) 15 FAH-1, Facilities Maintenance Handbook, provides first-time and experienced maintenance managers with guidance on maintaining post real property facilities. It includes and builds upon technical skills and provides information in setting up and managing a good maintenance program.
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Two commercially available Flue Gas Desulfurization (FGD) technology options for removing the SO2 produced by coal-fired power plants are offered in.
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Waterways and receiving waters near urban and suburban areas are often adversely affected by urban storm water runoff. The degree and type of impact varies from location to location, but it is often significant relative to other sources of pollution and environmental degradation.
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Soil erosion has been accepted as a serious problem arising from agricultural intensification, land degradation and possibly due to global climatic change
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