The efficiency of a pump and motor together.
Source: Terms of the Environment
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efficiency - see energy efficiency.
electric vehicles - vehicles which use electricity (usually derived from batteries recharged from electrical outlets) as their power source.
E efficiency indicator
Definition (english only)
Indicators that relate environmental pressures to human activities.
Eco-efficiency is the efficiency with which environmental resources are used to meet human needs and can help achieve the aim of maximising benefits while minimising risks.
Fuel Efficiency
The proportion of energy released by fuel combustion that is converted into useful energy.
Fuel Switching ...
fuel efficiency The proportion of the energy released on combustion of a fuel that is converted into useful energy.
fuel pellet A cylindrical pellet of nuclear fuel typically consisting of uranium dioxide.
High Efficiency Particulate Air (HEPA) Filter: A filter that is at least 99.97% efficient in removing monodisperse particles of 0.3 micrometers in diameter. The equivalent NIOSH 42 CFR 84 particulate filters are the N100, R100 and P100 filters.
motor efficiency. The ratio of energy delivered by a motor to the energy supplied to it during a fixed period or cycle. Motor efficiency ratings will vary depending upon motor manufacturer and usually will range from 88.9 to 90.0 percent.
Energy Efficiency - Ratio of energy output of a conversion process or of a system to its energy input.
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Green Towers Video
Green Towers Map ...
Energy efficiency - ways and technology that can reduce the amount of electricity or fuel used to do the same work. Such as keeping a house warm using less energy.
carbon efficiency = [target CO2 emissions/actual CO2 emissions] (See: Hongliang Yang: Carbon Reduction Potential, and Economic Development in the Peoples Republic of China: A Total Factor Production Model, ADB, 2010) ...
Energy efficiency
Using less energy to perform the same function
Energy management ...
Capture Efficiency
The fraction of organic vapors generated by a process that are directed to an abatement or recovery device.
Carbon Absorber ...
overall efficiency, pump The combined efficiency of a pump and motor together. Also called the wire-to-water efficiency.
overburden Rock and soil cleared away before mining.
ECO-EFFICIENCY The term "eco-efficiency" describes the ecological efficiency of goods and services on the basis of their economic value, which includes their consumer demand and their monetary cost, ...
ENERGY EFFICIENCY
Superinsulation - Superinsulation of the building envelope minimizes heat gain during the summer and heat loss during the winter.
Transfer Efficiency: For coatings, a measure of the percent of the total amount of coating used which is transferred to a unit surface by a spray gun or other device.
Irrigation Efficiency- The amount of water stored in the crop root zone compared to the amount of irrigation water applied.
Irrigation Return Flow- Surface and subsurface water which leaves the field following application of irrigation water.
Economic Efficiency
1. A measure of the size of consumer surplus and producer surplus. An increase in the combined surpluses is an increase in economic efficiency; 2.
Water use efficiency: Employing water-saving practices to reduce costs and to slow the depletion of the water supply to ensure future water availability.
irrigation efficiency
The ratio of the water actually consumed by crops on an irrigated area to the amount of water diverted from the source onto the area.
irrigation methods ...
Hood Capture Efficiency- Ratio of the emissions captured by a hood and directed into a control or disposal device, expressed as a percent of all emissions.
Wire-to-Wire Efficiency: The efficiency of a pump and motor together.
Wood Packaging: Wood products such as pallets, crates, and barrels.
HEPA: High efficiency particulate arrestance (filters).
Humidity: The measure of moisture in the atmosphere.
HVAC: Heating, ventilation, and air-conditioning system.
Eco-Efficiency The relationship between economic output (product, service, activity) and environmental impact added caused by production, consumption and disposal. ...
Increasing the Efficiency and Lowering the Cost of Solar Power
In the realm of research and development, enterprising engineers are working hard to get solar power's costs down, ...
ecologic efficiency the amount of energy, expressed as a per cent, captured by one trophic level from the lower or preceding level
ecospecies different organisms with almost identical functions in separate communities ...
Compared with C4 plants, C3 plants show a greater increase in photosynthesis with a doubling of CO2 concentration and less decrease in stomatal conductance, which results in an increase in leaf-level water-use efficiency. C4 plants Plants (e.g.
Searching efficiency The instantaneous probability that a given predator will consume a given prey (also called 'the attack rate'). Secondary productivity The rate at which biomass is produced per unit area by heterotrophic organisms.
Halogen A type of incandescent lamp with higher energy-efficiency than standard ones.
Mercury (Hg): Also known as "quicksilver," this metal is used in the paper pulp and chemical industries, in the manufacture of thermometers, thermostats, high efficiency lighting and many other products and fungicides.
Emissivity - The efficiency of a body's ability to absorb and reemit radiation compared to the emissivity of a blackbody at the same temperature. Emissivity ranges from 0 to 1, with one being a blackbody and less than 1 for all other materials.
The Alliance to Save Energy supports energy efficiency as a cost-effective energy resource under existing market conditions and advocates energy-efficiency policies that minimize costs to society and individual consumers, ...
Environmental Protection Agency (EPA) program to increase energy efficiency. It provides Energy Star labels for electronic appliances that meet specific requirements for low energy use. Visit the Energy Star website to learn more.
Material which enhances or maintains the cleaning efficiency of a surfactant, in a detergent, principally by inactivating water hardness; complex phosphates (especially sodium tripolyphosphate, i.e. pentasodium triphosphate), sodium carbonate, ...
Measuring chlorophyll fluorescence is a way to diagnose the efficiency of the light reactions. Using a fiber optic cable, bright light is shined on the pine needles.
Carbon Neutral - A combination of efficiency improvements (resulting in reduced carbon dioxide emissions), and purchases of carbon offsets that balance 100% of a carbon footprint.
CHP Combined Heat and Power. A phrase used to suggest greater efficiency obtained when the waste heat from generating electricity can be used locally to provide low temperature heat for processing or domestic heating.
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Go Green Nights
Learn how to host an energy efficiency education night at your school for students and their families. (ENERGY STAR, a joint program of EPA and the U.S. Department of Energy) ...
waste management: action to reduce waste, through material efficiency, waste reduction and the recovery and reuse of discarded material.
wave power: electricity generated by the motion of waves. For instance, waves may turn turbines.
A system in which the heat associated with electricity generation is also used for space heating or process heat. In this way the overall efficiency of the process in terms of the proportion of the energy in the biomass fuel that is made use of is ...
The Green Power Network (U.S. Department of Energy-Energy Efficiency and Renewable Energy)
U.S. Department of Energy (DOE)-Photovoltaics and Climate Change
More from the U.S. Department of Energy on Climate Change ...
Surrogates (surrogate standard): For semivolatiles and pesticides/Arochlors, compounds added to every blank, sample, matrix spike, matrix spike duplicate, and standard; used to evaluate analytical efficiency by measuring recovery.
CONSERVATION: Obtaining the benefits of water more efficiently, resulting in reduced demand for water. Sometimes called "end-use efficiency" or "demand management." ...
But the most promising one is Hemp due to its higher efficiency in converting the sun's energy to biomass than any other plant. It has a very high yield at the rate of ten tons per acre in approximately four months.
Technology-Forcing Regulations: Requirements and standards set by governments to catalyze environmental research and development. Some examples include corporate average fuel economy (CAFE) regulations and other energy efficiency requirements.
A mix of new and existing energy technologies will be needed to achieve this, including large increases in energy efficiency and renewable energy.
Despite the limiting factor of water, an increase in carbon dioxide concentration has the direct effect of increasing the transpiration efficiency of most plants so that they actually produce more net biomass per unit of water used by the plant.
Chapter 12 - Heating, Air Conditioning, and Ventilating
Chapter 13 - Energy Efficiency
Chapter 14 - Residential Swimming Pools and Spas
List of Figures
List of Tables
Abbreviations and Acronyms
Definitions
Standards and Organizations ...
 See also: Environment, Environmental, Waste, Water, Reduce
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