what does source reduction mean
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- Source Reduction (Waste Reduction) Source Reduction is the first tier of the solid waste management hierarchy. The term source reduction is used to describe those activities that decrease the amount (weight or volume) or toxicity of waste entering the solid waste stream.
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Oxidation-reduction Potential ORP Basics * Therefore reduction means a receiving or gaining of electrons (decrease in its oxidation state),4 such as when an antioxidant donates an electron to a free radical. The free radical is reduced and the antioxidant is oxidized. The antioxidant is said to be the “reducing agent”; it reduced the free radical.
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Current sources and sinks Current source density analysis (which could more accurately be called current source and sink density analysis) is the practice of placing a microelectrode in proximity to a nerve or a nerve cell to detect current sourcing from, or sinking into, their plasma membranes.
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Reduction (cooking) Reduction (cooking) In cooking, reduction is the process of thickening and intensifying the flavor of a liquid mixture such as a soup, sauce, wine, or juice by simmering or boiling. Reduction is performed by simmering or boiling a liquid such as stock, fruit or vegetable juices, wine, vinegar, or a sauce until the desired volume is reached by evaporation. This is done without a lid, enabling the vapor to escape from the mixture.
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Cycle Time Reduction Cycle Time Reduction. Cycle time reduction is the strategy of lowering the time it takes to perform a process in order to improve productivity. In addition, cycle time reduction often improves quality. When a cycle time is too close to the takt time, there is little margin for error. If a process is dialed in with very little variation, this is seldom a problem.
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Absolute risk reduction In general, absolute risk reduction is the difference between one treatment comparison group's event rate (EER) and another comparison group’s event rate (CER). The difference is usually calculated with respect to two treatments A and B, with A typically a drug and B a placebo.
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- Hence, when a source control drawing is created or modified to add a supplier to the drawing, the supplier shall follow the definition of a qualification and not run a subset first article inspection to ensure production methods produce an acceptable part.
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Absolute risk reduction Absolute risk reduction. In epidemiology, the absolute risk reduction, risk difference or absolute effect is the change in the risk of an outcome of a given treatment or activity in relation to a comparison treatment or activity. It is the inverse of the number needed to treat. In general, absolute risk reduction is the difference between one treatment comparison group's event rate and another comparison group’s event rate. The difference is usually calculated with respect to two treatments A and B, with A ...
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Nonpoint source pollution Non-point source pollution can be contrasted with point source pollution, where discharges occur to a body of water or into the atmosphere at a single location.NPS may derive from many different sources with no specific solution may change to rectify the problem, making it difficult to regulate.on point source water pollution is difficult to control because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.
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reduction reduction. n. 1. the act or process or an instance of reducing. 2. the state or condition of being reduced. 3. the amount by which something is reduced. 4. a form of an original resulting from a reducing process, such as a copy on a smaller scale. 5. a simplified form, such as an orchestral score arranged for piano.
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Nonpoint Source Pollution Click on image for larger view. The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack” (Hill, 1997).Factories and sewage treatment plants are two common types of point sources.lick on image for larger view. The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack” (Hill, 1997).
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- A reduction of the sound power level of the sound source by 6 dB is resulting in a reduction of the sound. power drops to a factor of 0.25, the sound pressure drops to a factor of 0.5 and the sound intensity drops. to a factor of 0.25.
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- Nonpoint source pollution isn’t an inevitable consequence of growth and development. It is the product of human abuse and neglect. Working together we can make changes in our daily activities that will balance the needs of people with the integrity of our ecosystem. WE ARE THE SOLUTION TO WATER POLLUTION!
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Nonpoint source water pollution regulations in the United States The definition of NPS water pollution is open to interpretation. However, federal regulation under the CWA provides a specific legal definition for the term. A nonpoint source is defined as any source of water pollution that is not a point source as defined in section 502(14) of the Clean Water Act.
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Glossary of Waste Prevention Terms Waste Prevention is a type of pollution prevention. Note: Recycling is not a form of waste prevention. See the definition of recycling for more information. Waste Reduction --Actions taken before waste is generated to either reduce or completely prevent the generation of waste. The combined efforts of waste prevention, reuse, composting, and recycling practices.
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reduce Define reduce: to draw together or cause to converge : consolidate; to diminish in size, amount, extent, or number — reduce in a sentence to draw together or cause to converge : consolidate; to diminish in size, amount, extent, or number…
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Reduction Reduction. Reduction or reducing has several meanings: In mathematics, reduction is the process of manipulating a series of equations or matrices into a desired 'simpler' format.
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reduction Definition of reduction: A chemical reaction in which hydrogen is added to, or oxygen is removed from, a compound. Opposite of oxidation. Every since the implementation of the Prisoners for Profit program, Memphis has seen a significant reduction in recidivism from last year.
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reducer reducer-a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver. reducing agent, reductant.
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reduction 1. the act or process of reducing, or the state of being reduced. 2. the amount by which something is reduced. 3. a form produced by reducing; a copy on a smaller scale. 4. Biol. meiosis, esp. the first meiotic cell division in which the chromosome number is reduced by half.
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cost reduction Definition. The process of looking for, finding and removing unwarranted expenses from a business to increase profits without having a negative impact on product quality. Many business managers will engage in periodic cost reduction drives in order to make their company's operation more efficient and to boost profits.efinition. The process of looking for, finding and removing unwarranted expenses from a business to increase profits without having a negative impact on product quality. Many business managers will engage in periodic cost reduction drives in order to make their company's operation more efficient and to boost profits.
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- You can identify (point to) the source of this pollution. Advanced Definition: Point Source pollution is pollution caused from a stationary location or fixed facility where pollutants are discharged; any single identifiable source of pollution.
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How long does it take for the eggs of a red eared slider to hatch? Eggs were laid in my yard today. It takes around 80-85 days for red eared slider eggs to hatch. Keep your eyes open in about 2 and half months! According to Wikipedia the eggs of the Red Eared Slider take sixty to ninety days to hatch. Don’t discard the eggshells immediately (hatchlings may spend the first few days in the egg shell). Avoiding moving the shell after it hatches, as any air that enters the turtles body can result in death.
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RESEARCH PAPEREffect of vegetation on runoff-sediment yield relationship at different spatial scales in hilly areas of the Loess Plateau, North China At the plot scale, vegetation helps reduce soil loss not only by reducing runoff volume, but also by changing the runoff-sediment yield relationship, resulting that the sediment-reduction rate is higher than the runoff-reduction rate. At the watershed scale, gully erosion and mass wasting process are dominant.
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SENSORY DEPRIVATION Sensory reduction is a reduction in sensory stimulation where it is brought to a minimum level due to an environmental situation. Sensory deprivation may be experimentally induced in the subject. SENSORY DEPRIVATION: An example of sensory deprivation is felt by deep sea divers..ensory reduction is a reduction in sensory stimulation where it is brought to a minimum level due to an environmental situation. Sensory deprivation may be experimentally induced in the subject. SENSORY DEPRIVATION: An example of sensory deprivation is felt by deep sea divers..
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Nonpoint source pollution Non-point source (NPS) pollution refers to both water and air pollution from diffuse sources. Non-point source water pollution affects a water body from sources such as polluted runoff from agricultural areas draining into a river, or wind-borne debris blowing out to sea.Non-point source air pollution affects air quality from sources such as smokestacks or car tailpipes.on point source water pollution is difficult to control because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.