单词：richardson's thermionic effect
单词：richardson's thermionic effect 相关文章
[00:15.76]Devil's Point [00:23.29]恶魔的岬角 [00:35.01]Whatever it was couldn't be seen. [00:37.70]The effect of its movement on the environment [00:40.43]could be seen as well as heard. [00:42.69]On a couple of its passes we allowed it to get within
英语灵异故事
By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide
VOA2003（下）-环境与健康
The Arctic's Anti-Snowball Snowball Effect 北极的反雪球效应 Last Christmas, Santa Claus must have been loading his sleigh in a t-shirt and shorts. Temperatures at the North Pole crept up toward the freezing point when they should have been mi
2017年科学美国人(七)月
This is Morning Edition from NPR news.I am Steven Skip and I am Renee Montagne .Time now for our consumer health segment. Lots of people turn to physical exercise to get their bodies in shape. The concept of reshaping the mind is more elusive. Some
2005年NPR美国国家公共电台
Caffeine Merely Masks Alcohol's Effect An animal study in the journal Behavioral Neuroscience finds that coffee after alcohol consumption might merely make the drinker feel more capable, which could lead to bad decision making. Steve Mirsky reports C
60秒科学
AS IT IS 2016-05-11 Are Facebook's Trending Topics Unfair? This is Whats Trending Today Former Facebook workers said this week that the social media company often avoided letting news popular among conservative Americans appear in its Trending sectio
2016年VOA慢速英语(五)月
AS IT IS 2016-09-13 American Teenager's 'Domino' Artwork Goes Viral This is Whats Trending Today. A teenager from the northeast state of New Hampshire has one of the top trending YouTube videos this week. Lily Hevesh is known as Hevesh5 on YouTube. S
2016年VOA慢速英语(九)月
KELLY MCEVERS, HOST: It is, of course, a new year, and that means a bunch of new state laws. You might have heard about some of the headliners like recreational marijuana here in California and minimum wage hikes in several states. There are some tha
2018年NPR美国国家公共电台1月
A revised version of the elderly people's welfare law is now in effect in China. As CRI's Su Yi reports, it forces the families of elderly people to regularly visit and care for them. The revised Law for the Protection of the Rights and Interests of
世界各地新闻集锦
A major step toward reducing elephant poaching has been made in China, with a new ban on ivory trading coming into effect. Under the new regulations, its now set to become illegal to process or sell ivory or ivory products in China. CRI's Guan Chao h
2017CRI中国国际广播电台
LONDON, July 13 (Xinhua) -- China's star hurdler Liu Xiang's back injury which forced him out of the London Diamond League finals is not serious, his long-time coach Sun Haiping said here on Friday. Liu Xiang felt a little uncomfortable in his back a
英语新闻
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副
英语每日一词
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副
英语单词荟萃
China's top legislator Wu Bangguo says the Central government fully recognizes the achievements of the Macao Special Administrative Region government. Speaking at the conference marking 20 years since Macao's Basic Law was declared, he said everythin
英闻天下
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
英闻天下
Under the new amendments, those convicted of abusing a child or an elderly person can face up to 3-years in prison, a move many here in China are applauding. Laws are supposed to protect the disadvantaged. Everyone will get old, and most people can h
2015CRI中国国际广播电台
DAEGU, South Korea, Aug. 28 (Xinhua) -- The world's three fastest hurdlers safely advanced in the heats of the world championships here on Sunday, but the best time was made by U.S. rising star Jason Richardson in 13.19 seconds. China's Liu Xiang, th
英语新闻
BEIJING, April 5 (Xinhua) -- China on Tuesday announced embargoes on some imports from and exports to the Democratic People's Republic of Korea (DPRK). In terms of imports, China banned purchases of coal, iron ore, gold, rare earths and several other
cctv9英语新闻2016年
Figures from China Law Society show about one-third of Chinese families have dealt with some form of domestic violence. More than 90-percent of the reported cases involve the abuse of women, children and the elderly. One-in-four Chinese women have su
2016CRI中国国际广播电台
Japan's new security laws take effect from today. The laws enable its troops to fight overseas for the first time since World War Two. The country is now allowed to exercise the right to collective self-defense -- or come to the aid of the United Sta
cctv9英语新闻2016年