英语听力：探索发现 科学新发现：我们的大气层-19

scores of sciencse experiments on board the airship study the dramatic persure change. we call it punset for pingpang ball satelite, and it also be the first thing we do is to have cut the pingbang ball on air ,then your experiment goes inside. and s

医学英语轻松学 第1期:心脏年龄

Her age is 53, but her heart age is 75 because she smokes and has uncontrolled high blood pressure. 她今年53岁，由于吸烟和持续走高的血压，导致她的心脏年龄为75岁。 Most American adults have a heart thats older than their a

Nuclear Crisis in Japan Raises Worries About Radiation Risks

This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences

2018年CRI Installation completed for pressure vessel of Hualong One nuclear power unit

The pressure vessel of the No. 5 reactor at the Fuqing Nuclear Power Plant in Fujian has been installed. The facility is using Chinese designed-and-built third-generation Hualong One reactor technology. The nuclear power unit is scheduled to be put i

美国科学60秒 SSS 2013-02-25

The best value for money in cooking equipment, in my mind, is first a digital scale and digital thermometer. Theyre both about $20. They help you cook so much more accurately that theyre both enormously valuable. Nathan Myhrvold is the former chief t

SSS 2012-01-11

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

高级英语听力 lesson 23

Soviet officials have confirmed that a crippled nuclear submarine sank in the Atlantic early today. US officials believe the sub carried at least sixteen nuclear missiles. Explosion and fire on the vessel last Friday killed three crewmen. The rest of

TED演讲:在体内寻找癌细胞的小颗粒(2)

Now as engineers, we think of this as straight-up miniaturization. 作为工程师，我们认为这个就是直接微型化。 You took a big thing and you made it little. 你带来一个大东西并且把它变小。 But what I told you before abou

2006年VOA标准英语-US Lawmakers Set to Consider US-India Nuclear D

By Dan Robinson Washington 25 July 2006 Legislation required to allow the U.S.-India agreement on civilian nuclear cooperation to go forward comes up for consideration Wednesday in the House of Representatives. House lawmakers have included strong l

VOA标准英语2010年-Test on Gulf Oil Well Underway After T

A workboat pulls boom into place alongside the Pacific Responder oil skimming vessel in the Gulf of Mexico near the coast of Louisiana, 14 Jul 2010 BP has restarted a pressure test on a leaking oil well in the Gulf of Mexico to prepare for an effort

VOA标准英语2010年-US: Lula's Tehran Visit is Last Chance

A senior U.S. State Department official said Thursday that Brazilian President Luiz Inacio Lula da Silva's visit to Tehran this weekend probably is the last chance for Iran to respond to international concerns about its nuclear program before more U.

VOA标准英语2011--Fukushima Plant Operator: Nitrogen Pumpi

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

美国国家公共电台 NPR Making Space Food With Space Poop

SCOTT SIMON, HOST: There's only so much space on a spacecraft, which means limited space for food and water. American crews on the International Space Station recycle their own sweat and urine to produce fresh drinking water - bottoms up. Now new res

VOA双语新闻 Damaged US Nuclear Sub Returns to Guam

A U.S. Navy nuclear-powered attack submarine, under heavy escort, has arrived back at its home port of Guam after a fatal accident at sea. 美国旧金山号核动力攻击潜艇在发生致命事故以后，在严密的护航之下返回在关岛的基

什么运动最有利于降血压?

Question: What is the best exercise to control high blood pressure? 提问：控制血压的最佳锻炼方式是什么？ Answer: Take your pick, as the best exercise to control high blood pressure seems to be virtually any exercise, like walking or

Chernobyl Accident Anniversary Recalled

Pripyat, Ukraine. A dead city. Homes, schoolrooms, playgrounds, and other places are crumbling as wild nature reclaims the land. Pripyat once had some 50,000 residents（居民） . Now they are gone, perhaps forever. Only the artifacts of their live

VOA标准英语2010年-Clinton: Time to Move Toward New Iran

David Gollust | The State Department 05 February 2010 U.S. Secretary of State Hillary Clinton said Friday it is time to move toward new sanctions against Iran, given the lack of a clear response from Tehran to a proposal to ease concern about its nuc

VOA标准英语2012--Different Blood Pressure in Both Arms Linked to Heart Disease

Different Blood Pressure in Both Arms Linked to Heart Disease Cardiologist Oscar Garfein takes blood pressure readings from both of his patients' arms. That technique saved the life of one of his patients. I found that in one arm, it was very, very l

英语听书《海底两万里》第168期 第12章 一切都用电(1)

These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器，我答，我知道它们的用法。我现在看见的这个表盘，上面有能转动的针，那不是流体压力计吗？

【英语时差8,16】核电厂更安全了吗？（下）

According to the 2009 update of an MIT study first published in 2003, nuclear power plants in the United States have become more reliable and significantly safer. For one thing, nuclear plant operators now receive better and more rigorous training. A