单词:superheat fuel element
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By Gary Garriott Broadcast: August 11, 2003 This is Bill White with the VOA Special English Development Report. 1)Sawdust is what remains after trees and logs are cut up into boards for building house
Nowadays, most of the food we eat is cooked in ovens or on stoves. The heat which is needed to cook this food comes from burning wood, gas, or other fuels1. However, natural resources2 are decreasing. When fuel becomes less available, people have to
By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
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
[00:01.02]A year later, [00:02.36]she found a note under her door from eddy, [00:05.01]telling her that she was still the best teacher [00:07.17]he ever had in his whole life. [00:09.74]But the story doesn't end there. [00:11.91]Twenty years went by
From NPR News in Washington, I'm Barbara Klein. The US Intelligence Community in Afghanistan has been sharply criticized by one of its own. Major General Michael Flynn, a Deputy Chief of Staff for Intelligence for the US and NATO in Afghanistan, says
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Enable to do sth. Beneficial--- by/from Criticize Shortcomings Human Resources prevent--- prevent from Device--- facility Recovery Know-how Expert Emphasis---imphases Be lack of = short of Factor--- e
DEVELOPMENT REPORT - Double-Drum Sawdust Stove By Gary Garriott Broadcast: Monday, September 27, 2004 This is Steve Ember with the VOA Special English Development Report. Sawdust is what remains after
十二星座的学习能力大曝光 Aries 白羊座 (3月21日~4月20日) The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 TIPS: Your persistence will lead you to success. B
Aries 白羊座 (3月21日~4月20日) The fire element of Arise brings assertive I energy. 火相星座的特质使白羊座具有非常自信的自我力量。 TIPS: Your persistence will lead you to success. But your impulsive temper may cause prob
By Tony Budny Washington 27 March 2008 An upstart car company in the United States is seeking to take advantage of rising oil prices. Aptera has produced a three-wheeled vehicle that can reach speeds of 136 kilometers per hour and operate on little g
NASA Identifies Shuttle Endeavour's Heater Glitch NASA says engineers at Kennedy Space Center believe they have identified the cause of the heater failure that forced the postponement of the launch of the shuttle Endeavour. NASA technicians say the f
This is a glimpse of what the future may look like. The goal is to have a very affordable, very economical to operate, but still a very dependable vehicle, said Ron Cerven, who built one of the cars with his Li-ion Motors team. It is one of a 136 veh
今天我们要学的词是fuel。 Fuel, 做为动词,有刺激的意思。The basketball player put his house up for sale, fueling speculation that he is being traded, 这个篮球队员正在卖房子,大家因此猜测,他可能要被球队换
Hydrogen and Industries Hydrogen,the lightest and simplest of the elements, has several properties that make it valuable for many industries. It releases more heat per unit of weight than any other fuel.In rocket engines, tons of hydrogen and oxygen
Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it
What Is Fire? 火是物质燃烧过程中散发出光和热的现象,是能量释放的一种方式。火焰分为焰心、中焰和外焰,温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存,缺一