粒子数不减定律

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 2

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 2 By Paul Thompson Broadcast: Wednesday, January 21, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORAT

发表于:2018-12-01 / 阅读(311) / 评论(0)

Explorations

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 1

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 1 By Paul Thompson Broadcast: Wednesday, January 14, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXP

发表于:2018-12-01 / 阅读(256) / 评论(0)

Explorations

新西兰英语 816 Conservation Week

Conservation Week starts tomorrow. During that week, DOC the Department of Conservation would like New Zealanders to celebrate our special places and our native wildlife. What are our special places? Our National Parks are some of our special places.

发表于:2018-12-05 / 阅读(111) / 评论(0)

新西兰英语

雅思听力场景词汇:化学词汇

雅思听力场景词汇:化学词汇在雅思听力考试场景中，化学相关的场景的词汇较为生涩，平时生活中可能也运用得比较少，以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(186) / 评论(0)

雅思英语

美国有线新闻 CNN 世界自然基金会称世界上三分之二的野生动物可能在2020年消失

The World Wildlife Fund, an international conservation group, says more than two-thirds of the world's wildlife could be gone by the year 2020. The organization says there's already been a 58 percent decrease in the number of fish, mammals, birds and

发表于:2018-12-19 / 阅读(104) / 评论(0)

CNN美国有线新闻2016年11月

SSS 2008-02-25

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(184) / 评论(0)

Scientific American(二)月

Bush Discusses Conservation and the Environment(2009-1-6)

President Bush Discusses Conservation and the Environment THE PRESIDENT: Thank you all. Please be seated. Thank you for coming, and Happy New Year. Laura and I thank all of our distinguished guests, starting with members of my Cabinet -- Secretary K

发表于:2018-12-30 / 阅读(136) / 评论(0)

美国总统每日发言

VOA常速英语2007-Italy Debates New Immigration Law as Illegal Imm

By Sabina Castelfranco Rome 31 October 2007 The number of illegal immigrants arriving in Italy from African war-ravaged countries like Somalia, Eritrea and Ethiopia shows no signs of easing despite rough seas and colder temperatures in the Mediterran

发表于:2019-01-03 / 阅读(164) / 评论(0)

2007年VOA常速英语（十月）

SSS 2008-10-07

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics. In the early 1960s, Yoichiro Nambu of

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Scientific American(十)月

SSS 2008-04-10

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter？Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(163) / 评论(0)

Scientific American(四)月

VOA标准英语2011--Fermilab Scientists Optimistic About Finding Higgs Boson Particle

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

发表于:2019-01-13 / 阅读(147) / 评论(0)

VOA标准英语2011年(十二月)

雅思写作：Environmental Conservation

雅思写作真题 Nowadays, environmental problems are too big to be managed by individual persons or individual countries. In other words, it is an international problem. To what extent do you agree or disagree? 原创范文 If human beings want to

发表于:2019-01-18 / 阅读(223) / 评论(0)

雅思英语

经济学人17:想象的殿堂 House of dreams

Books and Arts; Quantum physics 文艺；量子物理学 House of dreams；Scientists race to explain why the Higgs boson matters 想象的殿堂；科学家竞相解释为什么希格斯玻色子至关重要 Higgs Force: The Symmetry-Breaking Force

发表于:2019-01-26 / 阅读(215) / 评论(0)

经济学人文艺系列

万物简史第16期:如何营造一个宇宙(8)

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(139) / 评论(0)

万物简史

夏洛的网第123期:会议(4)

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

发表于:2019-01-29 / 阅读(146) / 评论(0)

夏洛的网

空气污染能引发心脏病

43 空气污染能引发心脏病 DATE=7-6-01 TITLE=ENVIRONMENT REPORT - Pollution Linked to Heart Attacks BYLINE=Cynthia Kirk （Start at 59

发表于:2019-01-30 / 阅读(272) / 评论(0)

自然探索

2006年VOA标准英语-Egyptian Journalists Protest Proposed Press Law

By Challiss McDonough Cairo 09 July 2006 Not a single opposition or independent newspaper was for sale Sunday in Cairo because of a strike over a controversial proposed press law. The same issue brought hundreds of journalists into the streets to pr

发表于:2019-02-05 / 阅读(168) / 评论(0)

2006年VOA标准英语（七月）

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(124) / 评论(0)

英语新闻

Nepal, China agree to work together for forest conservation

KATHMANDU, Feb. 25 (Xinhua) -- Nepal and China have agreed to strengthen and enhance the coordination in the fields of forest conservation and management. A joint meeting between the two neighbors was held in Kathmandu from Feb. 22 for the first time

发表于:2019-02-18 / 阅读(119) / 评论(0)

英语新闻

VOA慢速英语2012 IN THE NEWS - Scientists May Have Found 'God Particle'

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

发表于:2019-02-18 / 阅读(164) / 评论(0)

2012年VOA慢速英语(七)月

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学英语单词

17-hydroxyprogesterone caproate

abashedness

AGLOMYZIDAE

amatorily

approximate calculation of multiple integral