منابع مشابه
Temporal Trends in Metal Pollution: Using Bird Excrement as Indicator
Past mining and smelting activities have resulted in metal polluted environments all over the world, but long-term monitoring data is often scarce, especially in higher trophic levels. In this study we used bird (Parus major and Ficedula hypoleuca) excrement to monitor metal pollution in the terrestrial environment following 16 years of continuously reduced emissions from a copper/nickel smelte...
متن کاملWater Quality Effect of Rangeland Beef Cattle Excrement
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متن کاملComposite Recycling and Disposal
Aeronautic/aerospace applications, both military and commercial, are accounting for a large share of the growing composite market in value. However, their share of the market in volume is much smaller. Costs are high when large amounts of carbon fiber reinforcements are used. These high performance composite materials have six properties that give them an edge over traditional materials: longer...
متن کاملDisgust disposal effect 1 Running head: DISGUST PROMOTES DISPOSAL Disgust Promotes Disposal: Souring the Status Quo
Humans naturally dispose of objects that disgust them. Is this phenomenon so deeply embedded that even incidental disgust – i.e., where the source of disgust is unrelated to a possessed object – triggers disposal? Two experiments were designed to answer this question. Two film clips served as disgust and neutral primes; the objects were routine commodities (boxes of office supplies). Results re...
متن کاملA Subsurface Upflow Wetland System for Removal of Nutrients and Pathogens in On-Site Sewage Treatment and Disposal Systems
On-site sewage treatment and disposal systems, commonly referred to as a septic systems, consist basically of a septic tank and soil adsorption field or drainfield. It may represent a large fraction of nutrient loads and pathogen impacts in vadose zone and groundwater systems. It includes not only nitrogen (N) and phosphorus (P), but also pathogen indicators such as fecal coliform and Escherich...
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ژورنال
عنوان ژورنال: Public Health
سال: 1901
ISSN: 0033-3506
DOI: 10.1016/s0033-3506(01)80159-1