单词:white light fluorescent lamp tube
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news sporlight [00:01.02]新闻聚光灯 [00:02.04]Macao's Chief Executive ,Edmund Ho,has meet top mainland officials for a progress report in a lead up to the territory's handover anniversary on Wednesday . [00:06.67]在澳门回归一周年前夕,澳
Here are two things that nobody wants to see increase: your power bill and pollution. Boo! We're going to show you a small step you can take that can turn these arrows the other way. Yay! We're focused on your friendly household light bulb, the incan
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
One of the two kitchen light bulbs was out. It was circular and fluorescent. He placed a chair under the light. He stood on the chair. He unscrewed three screws. He removed the plastic cover. He removed the bad bulb. He inserted a new one. He screwed
Without a doubt, artificial light has made our lives more convenient. In fact, our modern civilization would not be possible without Edisons invention. However, scientists are recently discovering that there is a dark side to the artificial light tha
Lesson 99 Fishing in the Fog 雾里捕鱼 Words: flint n. 打火石 flip adj. 无礼的,轻率的 float v. 漂浮,使漂浮 flock n. (禽兽等)群,大量;v. 蜂拥,群集 flora n. 某一地区或时期的植物总称 flounder n. 比目鱼 flourish vi. 繁荣,茂盛;健康成长;n. 挥舞 flou
Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou
036 The Old Street Lamp There once was an old street lamp standing on a remote corner of a town. The street lamp was worn out because he stayed up all night for several years to shine in a dark street. That's why he had to be replaced by a new lamp.
Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at
AMERICAN STORIES - No Place to Hang the Lantern By John Wotarua Broadcast: Saturday, November 27, 2004 Now the Special English program American Stories. John Wotarua Our story today is called
A recent article titled Warning: blindness to breakout on a large scale within 3 to 5 years stated that viewing high-frequency blue rays increases the risk of eye diseases. 最近一篇名为《警惕:三五年后眼睛失明会大面积爆发!》的
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev
Want to create a high performance environment? My guess is that you already know many of the characteristics listed below. But, you may need some incentive to motivate you to create that type of space. In high performance environments you * are comfo
Late in the afternoon, October Lights be coming on soon Late in the afternoon, a little older Be turning the clocks back soon But you can't turn the clocks back, can you I'm not a novelty You know every inch of me Please don't begin to doubt me Forge
A: I came to this lab to have my blood drawn. B: You are in the right place. Roll up your left sleeve and have a seat. A: What am I being tested for? B: Your doctor wants to know what your white blood cell count is. A: What does my white blood cell c
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has
Black Eyed Peas新单曲Rock That Body在本周Billboard排行榜上打入前十,这也是他们新专辑《The End》中第五首Top 10金曲。 这张专辑的首支单曲《Boom Boom Pow》在2009年4月首次问鼎全美冠军。 Black Eyed Pea
Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内