单词：light scattering particle counter
单词：light scattering particle counter 相关文章
Why The Sky Is Not Blue Look at various parts of the sky on a clear day and you will see that it is not a uniform blue. Even if the sky is deep blue when you look straight up, near the horizon it is lighter. This is partly due to pollution, but even
英语听力文摘 English Digest
Elizabeth Barrett Browning (1806 - 1861) What was he doing, the great god Pan, Down in the reeds by the river? Spreading ruin and scattering ban, Splashing and paddling with hoofs of a goat, And breaking the golden lilies afloat With the dragon-fly
英语诗歌
Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.
Scientific American(二)月
MARY LOUISE KELLY, HOST: Scientists announced today that for the first time, they have been able to pinpoint the source of a particle called a high-energy neutrino. It was detected by an observatory at the South Pole. And as NPR science correspondent
2018年NPR美国国家公共电台7月
I lose some sales and my boss won't be happy but I can't stop listening to the sound of two soft voices blended in perfection from the reels of this record that I found every day there's a boy in the mirror asking me what are you doing here finding m
金属
AS IT IS 2015-09-22 Magical Invisibility Cloak Soon to Be Real 神奇的隐身衣即将成为现实 All you Harry Potter fans out there have reason to celebrate! Scientists say they are close to inventing a real invisibility cloth. Harry Potter is a
2015年VOA慢速英语(九)月
Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step
VOA标准英语2011年(十二月)
New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping
VOA标准英语2010年(二月)
CERN Accelerator Back in Business 欧洲核子研究中心粒子加速器升级 The long upgrade of the Large Hadron Collider is over. The scientific instrument responsible for the discovery of the Higgs boson -- the so-called God particle -- is bein
VOA标准英语2014年(九月)
He and his coworker, Sheila, were at Shake Shake in Brooklyn. They had both ordered cheeseburgers, fries, and shakes. He had ordered a coffee shake. She had ordered a chocolate shake. Their buzzer sounded. He went to the pick-up counter. He brought t
英文短篇故事（纽约）
THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧，黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia
经济学人科技系列
How about 'Pig Supreme'? asked one of the lambs. 细皮肥猪怎么样？一只小羊问道。 No good, said Charlotte. It sounds like a rich dessert. 不好，夏洛说，这听上去像油腻的菜名。 How about 'Terrific, terrific, terrific'? as
夏洛的网
A total lunar eclipse will be visible across much of the Americas and Asia in the coming hours. 亚洲和美洲的大部分地区能够在未来数小时内观测到月全食。 The eclipse starts at 08:00 GMT, reaching totality just before sunrise a
英语新闻
Fermilab Scientists Testing Faster-Than-Light Neutrino Claims Scientists at the CERN physics laboratory in Geneva, Switzerland, claimed recently to have clocked a subatomic particle, known as a neutrino, traveling faster than the speed of light. If t
VOA标准英语2011年(十月)
Ⅳ. Counter Offers 还盘 If a buyer does not agree with any or some of the transaction terms of a quotation or a firm offer, he sends a counter-offer. In the counter-offer, the buyer may show his disagreement to the certain term or terms and state
实用英语
The rat grinned. 老鼠龇着牙齿笑。 I'm going to make a night of it, he said. 我要来个欢乐今宵，老鼠说， The old sheep was right - this Fair is a rat's paradise. What eating! And what drinking! 老羊说得对这集市是老鼠的乐
夏洛的网
IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a
2012年VOA慢速英语(七)月