Dividing these two numbers, we get the number of lumens each lamp can produce for a single watt of energy. Looking at the chart here, you can see that LEDs are considerably better than CFLs on this measure, which are in turn much better than incandescent lamps. Chart: Lumens per watt: ...
how much. l have to pay 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 多少。有支付 翻译结果2复制译文编辑译文朗读译文返回顶部...
ARTICLE European Journal of Human Genetics (2008) 16, 941–954 & 2008 Nature Publishing Group All rights reserved 1018-4813/08 $30.00 www.nature.com/ejhg How much is too much? Phenotypic consequences of Rai1 overexpression in mice Santhosh Girirajan1, Nisha Patel2,3, Rebecca E Slager4, ...
Thus, we can also see that now very popular LED how much a watt, in fact, is very unreasonable, because the owners buy lamps to buy "light", rather than "power". With yuan / watt to measure the LED, it is likely to buy is very low light efficiency is not energy-saving LED produ...
A heat lamp produces 25.5 watts of power at a wavelength of 5.5 {eq}\mu {/eq}m. How many photons are emitted per second? (1 watt = 1 J/s) Photon: The photon is the quantized unit of electromagnetic (EM) radiation that delivers its...
athe children will have a good time. 孩子将有一一味寻欢作乐。[translate] aWhen the enemy blocks out the sun like a battlement and air support is nowhere to be found 当敌人遮蔽时太阳象城垛和空中支援是无处被发现[translate] aHow much rice do we meed? 多少米我们meed ?[translate]...
There are certainly many volcanoes of this type. But the term volcano actually describes a much wider range of geological phenomena. Generally speaking, a volcano is any place on a planet where some material from the inside of the planet makes its way through to the planet's surface. One ...
So, consider how much LED lights cost as compared to fluorescents in the long run. LEDs provide a return on investment, which is not possible with fluorescents. 6. Fluorescent Tubes Produce More Heat Facility managersand property owners know that appliances that emit more heat are something tha...
If the plant receives too little or too much light, it leads to problems such as light stress. Light stress in plants is a condition where plants are exposed to light levels either too high or too low for their healthy growth and development. Stress leads to reduced growth, discoloration, ...
Lamp hours refer to the total number of hours a projector lamp has been in use. Much like the lightbulb in your home, projector lamps have a finite lifespan, and their brightness gradually diminishes over time. This decline in brightness directly affects the quality of the projected images, ...