单词:atmospheric pressure steam heating equipment
单词:atmospheric pressure steam heating equipment 相关文章
EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is
This is the VOA Special English Agriculture Report. The northeastern state of Vermont is the leading producer of maple syrup in the United States. This sweet, sticky liquid is a favorite on pancakes a
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Wintry conditions are returning to the northern part of the world. Winter brings cold weather and, with it, a danger as old as man's k
(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival
This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气,很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge
barometer, [bə'r?mitə] n 气压计(测量大气压的仪器,用于天气预报);晴雨表(用来记录或反映波动起伏) 【例】Opinion polls serve as a barometer of the public mood 民意测验是大众情绪的晴雨表。 【记】
Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press
Debbie Elliott: Today a prominent NASA scientist went public with his concerns that the government is trying to stifle his public statements about climate change.James Hansen told the New York Times and the Washington Post that the space agency has
Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. VOICE TWO: A NOAA satellite image of Hurricane Katrina, taken on August 29, 2005 And Im Steve Ember. Powerful storms are called hurricanes when they form over the At
SCIENCE IN THE NEWS - A Silent Killer Carbon Monoxide Poisoning This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. And I'm Bob Doughty. Winter has brought cold weather to many parts of Earths northern hemisphere. With the co
How to Weather a Solar Storm 如何抵御太阳风暴发表 Powerful winds from the sun affect the earths atmosphere. These solar winds cause the beautiful aurora borealis, also known as the northern lights. These winds are also responsible for many
This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. And I'm Bob Doughty. Winter has brought cold weather to many parts of Earths northern hemisphere. With the cold comes a danger as old as mans knowledge of fire -- death or i
SCIENCE IN THE NEWS - Storm Warnings: Trying to Understand the Causes of HurricanesBy Nancy Steinbach and Caty Weaver and produced by Brianna Blake Broadcast: Tuesday, September 12, 2006 VOICE ONE: Th
今天我们要学的词是trials。 trial, 是审判的意思,变成复数,后面加个s, 一般是指体育比赛的预选赛。 Things are heating up at the U.S. Olympic trials, 美国奥林匹克选拔赛进行得如火如荼。 美国游泳天
By Heda Bayron Hong Kong 02 August 2007 U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers. VOA's Heda Bayron reports from our Asia News Center in Hong Kong
今天我们要学的词是trials。 trial, 是审判的意思,变成复数,后面加个s, 一般是指体育比赛的预选赛。 Things are heating up at the U.S. Olympic trials, 美国奥林匹克选拔赛进行得如火如荼。 美国游泳天
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
Boiling Water Under Boiling Clouds You may be surprised to hear that its actually easier to boil water on stormy days than it is when the weather is clear and sunny. Can you guess why? The reason is that the boiling point of water changes slightly in
Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是