单词:rare earth iron garnet
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Here are some of the top economic stories of two thousand ten. The world continued to struggle with a slow recovery from the financial crisis two years earlier. Greece admitted to bigger-than-expected budget deficits. Investors punished Greece with m
Hello and Welcome to News and Reports on China Radio International. In This EditionThe international community, including China, Russia and the United States, has expressed concerns over North Korean's announcement of planned satellite launch next mo
And china's decision to restrict exports of rare earth minerals is to be challenged at the World Trade Organization.The US,EU and Japan were reportedly file the suit the with the global trade watchdog.China is the largest producer of rare earths,whic
Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest
Yesterday morning, New Zealanders were lucky to see a partial solar eclipse. This occurs when the moon passes between the sun and the earth. In Queensland, Australia, there was a total eclipse total darkness for about two minutes. A partial eclipse m
By Phil Mercer Sydney 29 March 2008 Australians switched off their lights for 60 minutes Saturday to mark Earth Hour, a campaign by environmentalists to raise awareness about global warming. The event was started a year ago in Sydney by the World Wil
Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths
The ages of man Human achievements come in all shapes and sizes. Knocking two rocks together can be just as important as sending a man to the moon. When ancient humans learnt to use stone tools and make fire, it meant the beginning of modern society.
Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute 经济报道 - 稀土限制使得中国陷入贸易纠纷 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The United States,
This is the VOA Special English Economics Report. Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan. Yet these metals are used in devices like smartphones, flat screens, hybri
This is the VOA Special English Economics Report. Today we continue our report on the group of chemical elements known as rare earth metals. These are mined from the earth and used to make technology from mobile phones to missiles. The United States
AS IT IS 2015-09-25 Rare 'Supermoon' Eclipse Only Days Away Many people are looking forward to something unusual in the skies this weekend. In fact, astronomers note that an event like this last happened 33 years ago! People will have a chance to wit
Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi
The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and
China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i
Hello and Welcome to News and Reports on China Radio International. In This Edition Chinese experts express concerns over a possible new round of quantitative easing monetary policies by the United States. US attorney-general says investigation is on