氢与质子质量比

用Mp3背六级单词066

transverse boycott overestimate romantic pants olive wisdom proton bully vital bump competitor portable psychology overturn jog sensor moderately thorn option plateau appraisal enthusiastic discrepancy serpent

发表于:2018-12-01 / 阅读(162) / 评论(0)

用Mp3背六级单词

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(176) / 评论(0)

VOA2003（上）-科技导航

VOA标准英语2012--Children's Asthma Not Eased by Anti-Reflux Drug

Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the

发表于:2018-12-16 / 阅读(150) / 评论(0)

VOA标准英语2012年(一月)

标准美语发音的13个秘诀 CD 4 Track 9

Review Exercise 10: Ignorance on Parade Explanations. CD 4 Track 9 Here, go over each topic, point by point. 1. Two-word phrases, intonation and phrasing a proton from a crouton? (contrast) Well, you're not the only one. (contrast) Arecent nationwide

发表于:2018-12-16 / 阅读(119) / 评论(0)

标准美语发音的13个秘诀 CD4

万物简史第9期:如何营造一个宇宙(1)

Part I Lost in the cosmos 第一章如何营造一个宇宙 They're all in the same plane.They're all going around in the same direction. . . . 它们都处于同一平面。它们都在沿同一方向转动...... It's perfect,you know. It's gorgeo

发表于:2019-01-01 / 阅读(130) / 评论(0)

万物简史

英伦广角英国第一家质子治疗诊所开业

At 13 years old, Rashard has already had two courses of radiant therapy. At first, he went into remission. But the cancer came back. And the treatments have had serious impacts on his health. He was very shaky. Could barely walk really. He lost the f

发表于:2019-01-02 / 阅读(129) / 评论(0)

英伦广角

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(270) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(296) / 评论(0)

数学英语

SSS 2011-10-10

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin

发表于:2019-01-08 / 阅读(155) / 评论(0)

Scientific American(十)月

2007年VOA标准英语-Japanese Satellite Lost in Russian Rocket Explo

By Peter Fedynsky Moscov 06 September 2007 Kazakhstan has suspended launches of the Russian Proton rocket at the Baikonur Space Center following a failed liftoff and loss of the payload, a Japanese communications satellite. VOA Moscow Correspondent P

发表于:2019-01-11 / 阅读(172) / 评论(0)

2007年VOA标准英语（九月）

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(195) / 评论(0)

英语新闻

中国计划建最大超级对撞机

China's proposed supercollider will be twice the size of the Large Hadron Collider or CERN in Switzerland that helped discover the Higgs Boson or the God Particle in 2012. It will also serve as a symbol of the country's rise as a global superpower by

发表于:2019-02-07 / 阅读(129) / 评论(0)

英语新闻

Russia resumes launch of Proton-M carrier rocket

MOSCOW, Sept. 21 (Xinhua) -- A Russian Proton-M carrier rocket carrying a military spacecraft blasted off early Wednesday from the Baikonur space center in Kazakhstan, the first launch since a series setbacks of Russian rocket launch in August. Colon

发表于:2019-02-09 / 阅读(158) / 评论(0)

英语新闻

Russia determines cause of failed satellite launch

MOSCOW, Aug. 30 (Xinhua) -- Russia's space agency said Tuesday that a Proton-M rocket launch failed earlier this month because of a malfunction in the upper stage. The conclusion was reached by an independent investigation commission following a seri

发表于:2019-02-11 / 阅读(139) / 评论(0)

英语新闻

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

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

发表于:2019-02-14 / 阅读(177) / 评论(0)

英闻天下

万物简史第229期:马斯特-马克的夸克(1)

11 Muster Mark's Quarks 第十一章马斯特马克的夸克 IN 1911, A British scientist named C. T. R. Wilson was studying cloud formations by tramping regularly to the summit of Ben Nevis, 1911年，一位名叫C.T.R.威尔逊的英国科学家经常

发表于:2019-02-17 / 阅读(135) / 评论(0)

万物简史

Russia launches rocket with Chinese satellite

MOSCOW, Nov. 25 (Xinhua) -- Russia's Proton-M carrier rocket was launched on Friday from the Baikonur space center in Kazakhstan with a Chinese communications satellite AsiaSat-7, according to Russia's Federal Space Agency Roscosmos. Roscosmos' live

发表于:2019-02-18 / 阅读(173) / 评论(0)

英语新闻

万物简史第198期:威力巨大的原子(12)

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(212) / 评论(0)

万物简史

英语听力文摘 English Digest 227、对抗癌症-质子疗法

Proton Therapy 质子疗法也叫质子刀，是放射治疗的一种，比普通的放射疗法更有针对性。质子作为带正电荷的粒子，以极高的速度进入人体，由于其速度快，在体内与正常组织或细胞发生作用的

发表于:2019-03-09 / 阅读(270) / 评论(0)

英语听力文摘 English Digest

生活大爆炸第六季:第22集:质子教授(上)

The interface is pretty simple. 操作界面很简单 You put your horizontal X coordinate here, vertical Y coordinate here. 你把横坐标X值输在这里纵坐标Y值输入这里 When you're happy with those, you press this button. Got it. 等数值

发表于:2019-03-16 / 阅读(344) / 评论(0)

生活大爆炸第六季

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asterionella glacialis