注入等离子体

太阳科普第15期

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多，所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(207) / 评论(0)

太阳科普

太阳科普第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(187) / 评论(0)

太阳科普

太阳科普第9期

Plasmas I always like to think of as being like naughty children. 我一直觉得电浆就像调皮的小孩 They're full of energy and they are, 充满了能量，随时随地都想捣蛋 want to misbehave and it's ourjob to try 我们的工作就是

发表于:2018-12-07 / 阅读(173) / 评论(0)

太阳科普

科学美国人60秒 SSS 2013-10-25

Called grass hopper mice have an unusual favorite food. Not grass hopper, no, they really like scorpions. You can see theproblem. But the mice shrug off any scorpion things(stings).And the new study shows how. Researcher injected common house mice of

发表于:2018-12-24 / 阅读(133) / 评论(0)

Scientific American(十)月

SSS 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(112) / 评论(0)

Scientific American(二)月

万花筒 2011-05-25&05-26 阿姆斯特朗再遭队友举证服用违禁药物

A teammate is accusing the cycling legend of taking performance-enhancing drugs while training for the Tour de France. Tyler Hamilton told 60 Minutes on Sunday that he witnessed Armstrong inject banned substances at a charge on Armstrong has repeated

发表于:2019-01-07 / 阅读(108) / 评论(0)

万花筒2011年

SSS 2008-05-16

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(151) / 评论(0)

Scientific American(五)月

SSS 2008-07-10

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(139) / 评论(0)

Scientific American(七)月

英文药品说明书的写法（十一）

上述10项是绝大多数英文药品说明书中必备项目，但是许多说明书中还常常出现其他一些项目。例如： 1、特点（Characteristics） 2、性质（Properties） 3、药代动力学（Phamacokinetics） 4、用药过量（

发表于:2019-01-08 / 阅读(140) / 评论(0)

医学英语

英文药品说明书的写法（二）

第二节性状许多药品说明书的第一项是Description（性状），其原意是叙述、描写，在药品说明书及药典中一般都译为性状，其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(190) / 评论(0)

医学英语

2007年VOA标准英语-Adult Stem Cells Help Heart Attack Patients

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(152) / 评论(0)

2007年VOA标准英语（三月）

TED演讲:树木之间如何交流(4)

The first day of the experiment, we got out to our plot 实验的第一天，我们来到了实验地点， and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现，把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(116) / 评论(0)

TED演讲科学篇

生活大爆炸第三季第九集_3

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(149) / 评论(0)

生活大爆炸第三季

在全球用玄武岩处理二氧化碳排放

BBC News Scientists think they have found a smart way to constrain carbon dioxide emissions - just turn them to stone. The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. Reactions with

发表于:2019-02-04 / 阅读(103) / 评论(0)

英语新闻

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(135) / 评论(0)

英语新闻

发送电子邮件也会产生碳足迹么？

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到，即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(171) / 评论(0)

阅读空间

TED演讲:人生交叉点(7)

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士， a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(138) / 评论(0)

TED演讲国际问题篇

Lesson 44-1 Home Appliances 家用电器

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(117) / 评论(0)

英语听力练习题

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(139) / 评论(0)

英语新闻

【跟着美剧练发音】美剧美语797期

THE RED QUEEN:Page（男侍者0. RABBIT:Oh dear. THE RED QUEEN:And what is this? RABBIT:It...Its who,Majesty.This is ,um... THE RED QUEEN:Um? ALICE:From Umbrage. THE RED QUEEN:What happened to your clothes? ALICE:I overgrew them.Ive been growing an a

发表于:2019-02-23 / 阅读(150) / 评论(0)

跟着美剧练发音

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学英语单词

1-iodo-2-methylbutane

Arctic Pollution Prevention Certificate