单词:fluid power pressure
单词:fluid power pressure 相关文章
4. Why Hearty Women Outlive Men? The age-old riddle of why many women live longer than men has been solved. It's their pumping power, British researchers have found. On average, women live five years longer than men and women over the age of 60 are n
23 states, nearly half the country. On Monday afternoon, thats how many were under some kind of warning or advisory for wind related to Hurricane Sandy. This is the view of Sandy from the International Space Station. Its huge. All that white stuff,th
Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.
SCIENCE IN THE NEWS - Severe Ocean Storms: The Science of Nature's Power This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. And Im June Simms. Today we tell about the science of severe ocean storms. Severe storms that develop over
A study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. 对太阳能血压计的研究
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
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
Oh, no! Denzel thought. Whered THAT come from? He was looking at a big red dry stain that was on the carport where he always parked his car. There was only one thing to do: check his power steering fluid and his transmission fluid, both of which were
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin
金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源
By Heda Bayron Bangkok 22 May 2008 Malaysia's ruling party has been thrown into turmoil after former Prime Minister Mahathir Mohamad abruptly resigned from the United Malays National Organization. Political analysts say the move was aimed at weakenin
U.S. Secretary of State Condoleezza Rice on Wednesday called on African countries to do more to pressure Zimbabwean President Robert Mugabe to share power with the political opposition. Rice said that if Mr. Mugabe succeeds in retaining total contro
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
The study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. High blood pressure is a
DAVID GREENE, HOST: Both President Trump and Vice President Mike Pence will go to Dallas on Friday for the NRA's annual convention. On one hand, the president's presence shows that the NRA has staying power. But the organization has also faced fresh
SCIENCE REPORT-January 10, 2002: New Glaucoma Treatments By Nancy Steinbach This is the VOA Special English Science Report. Sixty-seven-million people around the world cannot see because they suffer f
flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute
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