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Efficacy
Efficacy
Efficacy
Efficacy
Efficacy

The following information is about Efficacy.

Efficacy Defined

A measure of the luminous efficiency of a radiant flux, expressed in lumens per watt as the quotient of the total luminous flux by the total radiant flux. For daylighting, this is the quotient of visible flux incident on a surface to radiant flux on that surface. For electric sources, this is the quotient of the total luminous flux emitted by the total lamp power input.

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Kumho Announces Release of Econergy(TM) Induction Lighting

Published August 20, 2008, 11:10 am, Marketwire via Yahoo! Finance

Lighting technology innovator Kumho Electric announced today that it has started shipping its Econergy line of induction lighting. Introduced at Lightfair 2008 in Las Vegas, the bulb-style Econergy induction lamps are available in a wide range of wattages -- from 40W all the way to 250W -- and incorporate a number of best-in-class features.

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Cooper Lighting Introduces Halo(R) LED Recessed Lighting

Published August 18, 2008, 10:49 am, Business Wire via Yahoo! Finance

PEACHTREE CITY, Ga.----Cooper Lighting, a division of Cooper Industries, Ltd. announces the addition of LED recessed lighting to its Halo downlighting product line. Designed for new construction and existing applications, the LED recessed lighting features a Halo LED module that installs into a new construction housing or into existing Halo and All-Pro housings.

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Agenda for the 5.14.08 meeting of the Eagle County School Board

Published August 14, 2008, 3:12 am, Vail Daily

EAGLE COUNTY, Colorado — Check the web extras on the right for a downloadable version of the 5.14.08 meeting agenda for the Eagle County Board of Education.

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Jean-Marie Eveillard Buys Wells Fargo & Company, Discovery Holding Company Series A, WH Energy Services Inc., Sells ...

Published August 13, 2008, 5:26 pm, Guru Focus

At the end of April, Jean-Marie Eveillard did not see much opportunites. But it seems that he saw a lof of them during the second quarter. He made new buys in varieties of companies. These are his buys and sells during the second quarter. Jean-Marie Eveillard owns 337 stocks with a total value of $11.2 billion.

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Off-site Efficacy Links, User Submitted

The following links have been collected through user bookmark submission in the Efficacy category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.

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Off-site Efficacy Research Links

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