单词：charged particles
单词：charged particles 相关文章
诸多线索综合起来为我们描绘出一幅画面：那是火星遥远的过去，那时的火星还有着一层厚厚的大气层，令这颗星球温热暖和，从而使水能够在火星表面流淌。但如今，地表的水消失不见，而
60秒科学
AS IT IS 2016-01-01 Trending Today: Mother of 'Affluenza Teen' Charged This is What's Trending Today.... U.S. officials have charged the mother of a young man known in the media as the Affluenza teen. Tonya Couch and her son, Ethan, allegedly fled to
2016年VOA慢速英语(一)月
OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想：我知道摩尔是什么， it's a small furry creature that digs holes in the ground
TED演讲教育篇
Big City Killer If the cigarettes don't get 1 you the traffic pollution will. Up to a fifth of all lung cancer deaths in cities are caused by tiny particles of pollution, most of them from vehicle exh
英语沙龙2004全年合辑上
United States officials have accused 33 people of criminal activity, including stealing 4,500 kilograms of chocolate and a murder for hire plot. Murder for hire is when someone offers to pay an individual to kill another person. Federal law enforceme
2017年VOA慢速英语(六)月
This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter？Scientific American's JR Minkel: Two recent exp
Scientific American(四)月
The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away
Scientific American(十)月
SCIENCE IN THE NEWS - December 10, 2002: Snow By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program about recent dev
科技之光
By Roger Wilkison Bangkok 23 July 2007 Thai police have arrested and charged six people following a protest against last year's military coup that turned violent Sunday night, and they say more arrests are likely. From Bangkok, Roger Wilkison reports
2007年VOA标准英语（七月）
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell you everything you wanted to know about snow. (MUSIC) FAITH LAPIDUS: Winter has returned to northern parts of t
2011年VOA慢速英语(一)月
Lawyers for detained Burmese democracy leader Aung San Suu Kyi says she is being charged with violating the terms of her house arrest and will soon face trial. The charges appear related to an American man who also faces charges for sneaking into he
VOA标准英语2009年(五月)
Study: Upper-Atmosphere Particles Slow Pace of Global Warming A recent study finds tiny particles suspended high in Earths atmosphere are having a greater impact on global climate than previously believed. The airborne particles, known as aerosols, a
VOA标准英语2011年(八月)
SCIENCE IN THE NEWS - Winter Cold: Everything You Ever Wanted to Know About SnowBy George Grow Broadcast: Tuesday, January 10, 2006 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob D
2006年慢速英语（一）月
The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit
自然百科2011年
BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he
英语新闻
If you thought Russia's recent efforts to prevent rain in the sky from dampening holiday spirits represented the ultimate in scientific stage management, you ain't seen nothing yet. 如果你认为俄罗斯最近为了阻止雨水毁掉节日氛围的努
实用英语
WASHINGTON, March 22 (Xinhua) -- Robert Bales, the U.S. soldier suspected of killing 17 Afghan civilians, is to be charged with 17 counts of murder, U.S. media reported Thursday. ABC news reported on its website that Bales will also be charged with s
英语新闻
Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze. Because the nose lining tends to swell when we lie down, making it even more sensitive to sneeze-causing particles,
英语时差8，16
Certainly there is no shortage of energy in the world above our heads. One thunderstorm, it has been calculated, can contain an amount of energy equivalent to four days' use of electricity for the whole United States. In the right conditions, storm c
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