单词：black body radiation source
单词：black body radiation source 相关文章
45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i
新概念优美背诵短文50篇
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h
英语小短文
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the
新东方背诵文选
Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that
2016年Scientific American(八)月
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h
考研背诵50篇
From VOA Learning English, this is the Health Lifestyle report. Scientists in Australia say they have developed the worlds first blood test to find a deadly skin cancer in its early stages. They say the test could save thousands of lives each year. C
2018年VOA慢速英语(九)月
This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i
Scientific American(八)月
The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into
英语小短文
SCIENCE IN THE NEWS -April 2, 2002: Cancer By Oliver Chanler VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent deve
科技之光
U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation（放射） exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y
英语新闻
DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also
2010年VOA慢速英语(七)月
There was now a pressing challenge to understand how black holes in their surrounding galaxies. To be so intertwined.，professor Andy Fabian in the Cambridge University is one astronomer who began to look. Like the ripples, they travel out from his
探索与发现2013年
The 15 Best Fat-Burning Food 15种最棒的燃脂食物 1. Walnuts 1. 核桃 All nuts do contain some amount of the omega-3 fat alpha-linolenic acid, but most only contain trace amounts. The real fat hero in most nuts is monounsaturated fats. Walnuts
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Compared to the dose level of a medical chest x-ray, a backscatter scan is thousands of times lower. Since the Christmas Day attempted bombing of a U.S. airliner, airports are looking for ways to tighten security. One method being adopted by some and
VOA标准英语2010年(三月)
打榜热歌：Black Eyed Peas - Rock That Body Artist：Black Eyed Peas Song：Rock That Body I wanna rock right now I want I wanna rock right now I want I wanna rock right now Now, now, rock right now I want I wanna rock right now I want I wanna ro
流行英文歌曲
Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But
VOA标准英语2010年(一月)
In Westland one day A stranger appeared His name was Dorus He had a revelation Daltor he met The king of the West And breathlessly told him: [Dorus] Sendor has found the magical sword Sendor wants to conquer the world Sendor has found the magical sou
英文摇滚歌曲
1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限
实用英语
This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. And I'm Faith Lapidus. Today, we will tell about skin cancer. Skin cancer is one of the most common forms of cancer. It is also the most deadly. America's National Cancer Institut
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