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Topic: Efficiency ratio

	RFC 1715 (rfc1715) - The H Ratio for Address Assignment Efficiency (Site not responding. Last check: 2007-10-22)
		Efficiency of address assignment A substantial part of the "IPng" debate was devoted to the choice of an address size.
		A recurring concept was that of "assignment efficiency", which most people involved in the discussion expressed as a the ratio of the effective number of systems in the network over the theoretical maximum.
		Estimating reasonable values for the ratio H: Indeed, we don't expect to achieve a ratio of 0.3 in practice, and the interesting question is to assert the values which can be reasonably expected.
	www.faqs.org /rfcs/rfc1715.html (937 words)

	Efficiency Ratio (Site not responding. Last check: 2007-10-22)
		The "efficiency ratio" is one of the primary buzz words cited by bankers, analysts and consultants today to evaluate the overhead structure and, by implication, profitability, of a financial institution.
		The efficiency ratio has gained such prominence during the past two years that it is often times highlighted (and sometimes omitted) in the quarterly press releases of publicly traded banks.
		The focus on the efficiency ratio in the banking industry is not surprising given that the industry is mature with modest growth prospects for traditional financial intermediation activities.
	www.bizval.com /publications/articlelibrary/EfficiencyRatio.htm (1176 words)

	Reviewing Efficiency Ratios: A 10 Year View
		This optimum ratio tends not to be set at a specific target level any longer – rather there is focus on seeking ongoing improvements in efficiency levels, and recently, we are seeing (from more than one bank) that in the forthcoming financial reporting periods, there could even be increases in efficiency ratios.
		Efficiency ratios are not the panacea they once were – during the latter 1990’s, when they first became a key measure in the South African industry, there was strong focus to enhance shareholder returns by maximising efficiency levels, based on global best benchmarks.
		As mentioned, most banks are not anticipating strong gains in their efficiency ratios in future (once again, with the exception of Nedcor, which aims to regain its long-term average, and substantially reduce the gap that exists between their peer group and themselves).
	www.ey.com /global/content.nsf/South_Africa/22_Nov_05_Reviewing_Efficiency_Ratios_A_10_Year_View (923 words)

	[No title]
		Efficiency of address assignment A substantial part of the "IPng" debate was devoted to the choice of an address size.
		A recurring concept was that of "assignment efficiency", which most people involved in the discussion expressed as a the ratio of the effective number of systems in the network over the theoretical maximum.
		Estimating reasonable values for the ratio H: Indeed, we don't expect to achieve a ratio of 0.3 in practice, and the interesting question is to assert the values which can be reasonably expected.
	www.ietf.org /rfc/rfc1715.txt (930 words)

	Untitled Document
		The Sharpe Ratio is the ratio of annual returns in excess of the relevant risk free rate divided by the standard deviation of annual returns.
		The level and the stability of the Return Efficiency Ratio are determined over long time periods by the quality of the particular trading model, the degree of diversification of the portfolio, the level of commissions charged for execution, and the quality and consistency of the CTA’s execution.
		The Sharpe Ratio increases as the standard deviation of monthly returns is increased from 2% to 10% for systems with a Return Efficiency Ratio of.25.
	www.mfainfo.org /neo_apps/article/article.asp?article_id=1321&adate=10/1/2000 (1722 words)

	Financial Statement Analysis - Efficiency Ratios -DSO - Credit Guru
		Efficiency ratios are ratios that come off the the Balance Sheet and the Income Statement and therefore incorporate one dynamic statement, the income statement and one static statement, the balance sheet.
		These ratios are important in measuring the efficiency of a company in either turning their inventory, sales, assets, accounts receivables or payables.
		The ratio is regarded as a test of Efficiency and indicates the rapiditity with which the company is able to move its merchandise.
	www.creditguru.com /ratios/ratiopg2.htm (642 words)

	Frequently Asked Questions about Home Energy Savings (Site not responding. Last check: 2007-10-22)
		The efficiency of an electric heat pump when it is operating in heating mode is given as the heating season performance factor (HSPF).
		The cooling efficiency of a central air conditioner or heat pump is rated according to the seasonal energy efficiency ratio (SEER), which is the seasonal cooling output in Btu divided by the seasonal energy input in watt-hours for an average U.S. climate.
		The efficiency of room air conditioners is measured by the energy efficiency ratio (EER), which is the cooling output in Btu divided by the power input in watt-hours.
	www.aceee.org /consumerguide/faqs.htm (2040 words)

	Energy Glossary Letter E
		For the purpose of this paper, energy efficiency is distinguished from DSM programs in that the latter are utility-sponsored and -financed, while the former is a broader term not limited to any particular sponsor or funding source.
		EFFICIENCY - The ratio of the useful energy delivered by a dynamic system (such as a machine, engine, or motor) to the energy supplied to it over the same period or cycle of operation.
		EER (Energy Efficiency Ratio) - The ratio of cooling capacity of an air conditioning unit in Btus per hour to the total electrical input in watts under specified test conditions.
	www.energy.ca.gov /glossary/glossary-e.html (2071 words)

	Heat Pump Efficiency
		The efficiency of the heat pump when the back-up heat is running is really just the efficiency of the back-up system.
		If it is resistance electric, the efficiency of the heat pump falls to about 100%, which is the efficiency of electric resistance heat.
		COP is the ratio of the heat pump's BTU heat output to the BTU electrical input.
	buckeye.apogee.net /res/rehhpmp.asp (473 words)

	NRDC: Efficient Appliances Save Energy -- and Money
		Energy efficiency standards may not be as high profile as saving endangered species or cleaning up toxic waste, but they are a hugely important cause for environmentalists.
		The most efficient dishwashers use less hot water, have energy-efficient motors and use sensors to determine the length of the wash cycle and the water temperature needed to do the job.
		For maximum efficiency on the hottest days, the air conditioner should have a thermal expansion valve (TVX), and the high temperature rating (EER) on your unit should be at least 11.6.
	www.nrdc.org /air/energy/fappl.asp (2059 words)

	Heat Pump
		The ratio of the energy transferred to the electric energy used in the process is called its coefficient of performance (CP).
		The coefficient of performance (CP) for a heat pump is the ratio of the energy transferred for heating to the input electric energy used in the process.
		The efficiencies of air conditioners and heat pumps sold in the United States are often stated in terms of an energy efficiency ratio (EER):
	hyperphysics.phy-astr.gsu.edu /hbase/thermo/heatpump.html (509 words)

	Ratios (Site not responding. Last check: 2007-10-22)
		The solvency ratios include Current Ratio, which indicates whether a company has enough assets to cover its liability; Debt Ratio and Coverage Ratio show the capability to meet both short-term and long-term obligations; Current Cash Debt Ratio specifies the company’s ability in generating cash to cover its current liability for daily operation activities.
		The higher the ratio, the better the control; and Return on Equity is an indication of good performance if a high ratio compared to previous years and to companies that face similar risks.
		The company maintained a Debt Ratio of 60% or less over the past five years, which was safely under the industry average of 65% and that of Hershey.
	home.midsouth.rr.com /alexmemphis/ratios.html (982 words)

	Understanding Efficiency and Capacity: SEER, HSPF, AFUE, Heatin And Lair Conditioning Requirements, Air Conditioning ...
		This efficiency is calculated as the efficiency of the unit while it is operating, the efficiency of the unit as it warms up and cools off and the off cycle efficiency.
		Then after calculating the thermal efficiency of your house the actual btus are calculated to remove sufficient heat and moisture from the indoor air to obtain 74 degrees at 50% relative humidity.
		Initially that efficiency was 65% then 70% and then for the longest period all furnaces were 75% efficiency until the late 1970s with the introduction of solid state ignition and stack dampers.
	www.descoenergy.com /efficiency_understand.htm (3631 words)

	Measurement of FRET Efficiency and Ratio of Donor to Acceptor Concentration in Living Cells Biophysical Journal - Find ...
		FRET efficiency, defined as the proportion of the donor molecules that have transferred excitation state energy to the acceptor molecules, increases with decreasing intermolecluar distance (typically over the range 1-10 nm for lluorescent proteins).
		G factor represents the ratio of sensitized acceptor emission, F^sub c^, to quenched (i.e., lost) donor emission due to FRET and is constant for a particular fluorophore pair and imaging setup.
		The mean-squared difference in calculated FRET efficiency using two formulae was determined for a range of hypothetical G factors and the minimum of this relationship used to estimate the actual G factor.
	www.findarticles.com /p/articles/mi_qa3938/is_200609/ai_n16717342 (1040 words)

	Government Efficiency Standards - Bryant
		After nearly a decade with 10 SEER (Seasonal Energy Efficiency Ratio) as the minimum efficiency, January 23, 2006 marks the mandated increase to 13 SEER.
		Actual savings will depend on the age, efficiency and condition of the unit being replaced, but if you are currently considering a new air conditioner or heat pump, it makes a lot of sense to start saving now with a 13 SEER product.
		Whether it's developing tomorrow's efficient and cost-saving 13 SEER and higher air conditioners and heat pumps, or offering a wide range of products with environmentally sound Puron Refrigerant, Bryant is putting experience to work to develop the heating and cooling products that will keep your family comfortable tomorrow.
	www.bryant.com /learnmore/efficiency/govstandards.shtml (449 words)

	EE Guide - Glossary of Energy Terms
		Energy-Efficiency Ratio (EER): The ratio of the cooling capacity in Btus to the electric input to the air conditioner or heat pump in watt-hours.
		Seasonal Energy-Efficiency Ratio (SEER): The ratio of the total cooling capacity in Btu during a normal annual usage period to the total electric input in watt-hours to the air conditioner or heat pump during the same period.
		The efficiency of a light source is called luminous efficacy and has the units of lumens per watt.
	www.coloradoefficiencyguide.com /glossary/default.htm (1381 words)

	Efficiency Ratings - Bryant
		AFUE is the standard measurement of efficiency for gas and oil-fired furnaces.
		SEER is the measure of efficiency by which the cooling process of air conditioners and heat pumps is rated.
		HSPF is the efficiency measurement used to gauge the efficiency of the heating mode of heat pumps.
	www.bryant.com /learnmore/efficiency/ratings.shtml (474 words)

	Cooling and Heating - Performance and Efficiency Terminology
		For fuel-fired systems, this efficiency term is defined as the ratio of the fuel energy input minus the flue gas losses (dry flue gas, incomplete combustion and moisture formed by combustion of hydrogen) to the fuel energy input.
		The combustion efficiency is calculated by determining the fuel gas losses as a percent of fuel burned.
		This efficiency term is generally defined as the ratio of the heat absorbed by the water (or the water and steam) to the heat value of the energy consumed.
	www.engineeringtoolbox.com /cooling-heating-efficiency-d_410.html (979 words)

	System Efficiency \| Aire ServÂ® Of East Metro Atlanta \| Heating and Air Conditioning
		An electric furnace is effectively 100% efficient, but the cost of an electric furnace can be 3 times the cost of a gas furnace – due to the per “therm” cost of gas versus electric.
		Gas furnaces designed before 1992 had efficiencies as low as 50% but the standard was set at that time to 78%.
		An 80% or 90% efficient furnace is very common, your location in the country and other configuration factors determine which is most appropriate for you.
	www.aireserv.com /emetroatlanta/expert/system_efficiency.aspx (726 words)

	Heat Pump Efficiency (Site not responding. Last check: 2007-10-22)
		Heat pump efficiency is determined by comparing the amount of energy delivered by the heat pump to the amount of energy it consumes.
		Energy Efficiency Ratio, or EER, is used for evaluating a heat pump's efficiency in the cooling cycle.
		These measurements are referred to as the Heating Season Performance Factor (HSPF) for the heating cycle and the Seasonal Energy Efficiency Ratio (SEER) for the cooling cycle.
	tva.apogee.net /res/rehpeff.asp (403 words)

	Office
		Efficiency is measured in Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER).
		Efficiencies are measured by the Annual Fuel Utilization Efficiency (AFUE), with baseline furnace efficiencies of oil and gas (natural and propane) units typically around 80%.
		Additional efficiency options include "low mass" (low water content) boilers, increased boiler insulation, control options to reset boiler water temperature based upon outdoor air temperatures, and variable speed control of the circulating pump operation and/or the ventilation fan operation.
	www.efficiencyvermont.com /pages/Business/HVAC/HeatingVentilationAirCond/Office (885 words)

	COMMON FINANCIAL RATIOS USED BY MRHVAC
		When this ratio is high, it may indicate a situation where sales are being lost because a concern is being under-stocked and/or customers are buying elsewhere.
		This ratio is nothing more than subtracting the average age of accounts payable and the average age of billings in excess of costs from the cash conversion period.
		A minimum ratio of 1.0 to 1.0 ($1 of cash receivables to $1 current liabilities) is desirable.
	www.mrhvac.com /download/free/FinancialRatios.htm (2215 words)

	Efficiency Ratings - Carrier
		SEER (Seasonal Energy Efficiency Ratio) is the measure of efficiency by which the cooling process of air conditioners and heat pumps is rated.
		AFUE (Annual Fuel Utilization Efficiency) is the standard measurement of efficiency for gas and oil-fired furnaces.
		HSPF (Heating Seasonal Performance Factor) is the efficiency measurement used to gauge the efficiency of the heating mode of heat pumps.
	www.residential.carrier.com /knowledge/efficiency/ratings.shtml (488 words)

	Efficiency Ratings
		When referring to the efficiency of an appliance or energy system, we are actually talking about how much energy that system must use to perform a certain amount of work.
		The higher its energy consumption per unit of output, the less efficient the system is. For example, an air conditioner that requires 750 watts of electricity to provide 6,000 Btu of cooling will be less efficient than one that can provide the same amount of cooling for only 500 watts.
		HSPF is determined by dividing the total number of Btu of heat produced over the heating season by the total number of watt-hours of electricity that is required to produce that heat.
	www.cwlp.com /energy_services/efficiency_ratings.htm (2061 words)

	efficiency - Definitions from Dictionary.com
		the ratio of the work done or energy developed by a machine, engine, etc., to the energy supplied to it, usually expressed as a percentage.
		The ratio of the energy delivered (or work done) by a machine to the energy needed (or work required) in operating the machine.
		The efficiency of any machine is always less than one due to forces such as friction that use up energy unproductively.
	dictionary.reference.com /browse/efficiency (354 words)

	Accumulating Knowledge Efficiency
		Efficiency is the ratio of output over input.
		KC accumulation efficiency in excess of 100 percent can be seen as an indicator of the capacity to create wealth out of limited resources.
		Because KC accumulation efficiency is a critically important metric in judging the economic performance of firms, next month I will look at trends involving this ratio at more than 3,000 U.S. corporations.
	www.strassmann.com /pubs/km/knowlege-efficiency.html (808 words)

	Are Credit Unions Closing the Efficiency Gap? (Site not responding. Last check: 2007-10-22)
		Expressed as a percentage, the efficiency ratio translates into the costs incurred by a financial institution to generate one dollar of revenue.
		However, a falling efficiency ratio indicates that banks’ operating expenses grew at a slower rate relative to income.
		The "efficiency ratio " has an unerlying assumption that all institutions are striving to a) minimize expenses and b) maximize income.
	www.creditunions.com /home/articles/template.asp?article_id=2130 (839 words)

	Efficiency - Wikipedia, the free encyclopedia
		Efficiency (statistics), a measure of desirability of an estimator
		Efficiency ratio, expenses as a percentage of revenue, etc.
		Efficiency Movement, of the Progressive Era 1890-1932, advocated efficiency in the economy, society and government
	en.wikipedia.org /wiki/Efficiency (279 words)

	Desert Botanical Garden: THE DESERT HOUSE: Energy Efficiency & Heat Pumps (Site not responding. Last check: 2007-10-22)
		Seasonal Energy Efficiency Ratio, or SEER, is the heat pump industry standard for describing heat pump energy efficiency.
		This ratio is comparable to the miles-per-gallon ratio on automobiles.
		Nevertheless, SEER is useful for comparing the efficiency of various heat pumps.
	www.dbg.org /center_dl/heat_pumps.html (204 words)

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