Incandescent light bulbs(白炽灯) were invented 100 years a 1 . They have been very u 2 in the past years. H 3 , they have been wasting energy. Most of the energy they use is turned into heat, but not light. Try touching a 60 W lamp that's been on for a few m 4 ! You ...
energy-inefficientincandescent lightbulbs since low-income families would not be able to adopt the energy-efficient light bulbs as they were more expensive thantheincandescent lightbulbs in general. susdev.org.hk susdev.org.hk 4.2.5.3 在限制低能源效益鎢絲燈泡的供應方面,回應者主要擔心購買能力的問題...
Many incandescent bulbs are scheduled to be phased out of production by 2014. Click here to learn more about the Energy Independence and Security Act of 2007 and how it might affect you. Other Helpful Resources A Brief History of the Light Bulb Looking for Incandescent Bulbs? » Shop Now...
节能光档白炽灯泡 Energy-saving light bulbs incandescent file节能光档白炽灯泡是一种在一个玻璃壳内制有套装的大芯柱管和小芯柱管,分成上,下两层,由二组对衬内导线,分别联结大功率钨丝和小功率钨丝,组成二个单独发热白炽发光源系统. Energy-saving light incandescent bulbs is a stall in a glass shell is ...
Incandescent light bulbs and fluorescent tubes are not really suitable for modulation, but they are yesterday's lighting technology. 白炽灯和日光灯的光其实并不适合调制,不过它们已是旧式的照明技术了。 www.kekenet.com 7. The European Union's drive to end the use of energy-wasting incandescent light...
Incandescent light sources are good at creating large amounts of visible light and even greater amounts of heat. As a result, a typical light bulb is not very efficient; approximately 10% of the input energy is output as light while the remaining 90% is wasted as radiated heat. The typica...
The Biden administration is pulling the plug on incandescent light bulbs in favor of energy-efficient light-emitting diodes, or LEDs. The phaseout of the old-fashioned bulbs is aimed at reducing utility bills and conserving energy. The U.S. Department of Energy on Tuesday said it was raising ...
英文: Incandescent light bulbs, introduced in the late 1870s, are slowly being displaced in the developed world by more energy-efficient light-emitting diodes (LEDs), in applications from traffic lights to domestic lighting. 中文: 在发达国家里,从交通信号灯到家用照明灯,节能型LED灯正慢慢地取代19...
If your home is lit with incandescent light bulbs, it might be time for a change. The production and sale of incandescent light bulbs have officially been banned in the United States because of their low energy efficiency. The rule, which was initially proposed all the way back in 2007, ...
electric light,electric-light bulb,light bulb,lightbulb,bulb electric lamp- a lamp powered by electricity filament- a thin wire (usually tungsten) that is heated white hot by the passage of an electric current Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University,...