标签:radiation 相关文章
UNIT 9 Text A PRE-READING TASK Exercise 1 Before reading the passage, think about the statements. Do you Agree or Disagree with them? Why? 1. There is no need to worry about the problem of energy. 2.
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
VI. Nuclear Emergency Preparedness Exercises,Drills, Training and Public Communication核应急演习演练、培训与公众沟通 China attaches great importance to nuclearemergency preparedness exercises, drills, trainingand public communication,
Let's start with the people inside the plant. And their situation is not great. It's pretty clear they will be getting very high doses of radiation and certainly the potential for lethal doses of radiation. So you can - And they know it, don't they?
Disaster in Japan日本灾难,钚与米奇鼠 Plutonium and Mickey Mouse钚与米奇鼠 Japans nuclear crisis drags on, exposing profound failures both at the company and in national energy policy 日本核危机悬而未决,暴露出公司和国家能
Still unaware of what caused the noise, Wilson and Penzias phoned Dicke at Princeton and described their problem to him in the hope that he might suggest a solution. Dicke realized at once what the two young men had found. Well, boys, we've just been
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li
1. It's not winter yet, but much of the country has already experienced the winter blast. Snow and freezing rain which moved through the Midwest early Friday knock ed out power, delayed flights and sl
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
AS IT IS 2016-04-26 Chernobyl, Risky Still, Thirty Years Later 切尔诺贝利三十年后风险仍在 Tuesday marks the 30th anniversary of the Chernobyl disaster, the worlds worst nuclear accident. The effects of the disaster are still felt today.
Three years ago, I was standing about a hundred yards from Chernobyl nuclear reactor number four. My Geiger counter dosimeter, which measures radiation, was going berserk, and the closer I got, the more frenetic it became, and frantic. My God. I was
Kelvin died in 1907. That year also saw the death of Dmitri Mendeleyev. Like Kelvin, his productive work was far behind him, but his declining years were notably less serene. As he aged, Mendeleyev became increasingly eccentriche refused to acknowled
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
Science and technology 科学技术 Dental X-rays 牙科X光 Little and not often, please 请不要太频繁,一点就好 Confirmation that dental X-rays can be bad for you 已证实牙科X光对你是有危害的 If you are a suspicious type you may
I had a so common day . I`m waked up at the 9:00 p.m. I`m ate the breakfast and did morning exercises at home .then mum and me went to the suppermaket we bought pens,books ,some food and drink in it we came home by car .Dose this is very easy ! now
Modern Geiger counters don't click. As is the case with so many other devices, they have gone digital. At least that is true for the high-tech Japanese Geiger counters here. But they still measure radiation(放射) exposure in the quaint-sounding
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
And what happens is -- this is -- I'm going to show you now some fallout plumes. 接下来将要发生的-这是-我现在要向大家演示放射性坠尘。 Within 20 minutes, it comes straight down. 在20分钟内,坠尘直线下落; Withi
Three years ago, I was standing about a hundred yards from Chernobyl nuclear reactor number four. 三年前,我站在距离切尔诺贝利第四号核子反应炉大约一百码外。 My Geiger counter dosimeter, which measures radiation, was going
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In March of 2011, there was a maj