In the next lecture we're gonna be talking about reactor physics and then a review of reactor kinetics and control. We'll then study feedback effects and depletion.
下一课,我们会谈论,反应堆物理,然后回顾反应堆,动力学和控制,然后我们会研究反馈,反应和损耗。
The Sandia prototype's solar collector has an area of about 20 square meters (215 square feet) for a reactor the size of a beer keg.
桑迪亚原型的太阳能采集器有一个约20平方米(215平方英尺)的面积,用于一个啤酒桶大小的反应堆。
The Sandia prototype's solar collector has an area of about 20 square meters (215 square feet) for a reactor the size of a beer keg, Stechel says.
在桑迪亚原型中,太阳能采集器总面积约为20平方米(215平方英尺),每个反应堆大小跟啤酒桶差不多。
About 240 000 liquidators received the highest radiation doses while conducting major mitigation activities within the 30 km zone around the reactor.
大约240,000清理者在反应堆方圆30公里之内的地区进行大量清理活动时受到最高剂量的核辐射。
The control rods are also used to shut the reactor down from 100% power to about 7% power (residual or decay heat).
它也用来关闭反应器,可以从100%的动力降到7%动力(残留的延迟的热量造成)。
Among plant employees and firefighters at Chernobyl, many volunteered to try to tame, and then entomb, the burning reactor - although it is not clear that all were told the truth about the risks.
在切尔诺贝利核电站的工作人员和当地的消防队员中有许多人志愿去处理燃烧的反应堆-虽然不知道他们是否被事先告知这样做的风险。
This has added to fears about the safety of milk, vegetables and seafood found near the reactor.
这加剧了人们对于福岛附近地区生产的牛奶、蔬菜和海鲜的安全性的担忧。
The boom in reactor construction coincidedwith the beginnings of America's environmental movement and a sense of growingunease about nuclear power.
反应堆建设潮,恰逢美国环保运动的起源和对核能的不安全感的发端。
Algeria, for its part, has always been worryingly secretive about a nuclear research reactor discovered in 1991 and that it surrounds with air defences.
例如,阿尔及利亚一直以来都在令人担忧地对一座研究用核反应堆遮遮掩掩,该反应堆在1991年被发现,四周布满了空防系统。
The International thermonuclear experimental Reactor became plain ITER following public anxiety about anything that has "thermonuclear" next to "experimental" in its name.
因为公众对在“热核聚变”旁边带有“实验”字眼的任何东西都感到恐慌,这座“国际热核聚变实验反应堆”后来被缩写为其貌不扬的ITER。
The International Thermonuclear Experimental Reactor became plain ITER following public anxiety about anything that has “thermonuclear” next to “experimental” in its name.
因为公众对在“热核聚变”旁边带有“实验”字眼的任何东西都感到恐慌,这座“国际热核聚变实验反应堆”后来被缩写为其貌不扬的ITER。
About 5, 000 spheres move through the reactor each day, like gum balls through a vending machine.
每天大约5000个燃料球通过反应堆,就像泡泡糖通过一部自动贩卖机。
The conflicting information about the water levels in the pool storing the spent fuel rods in Reactor 4 is emblematic of the confusion the nuclear crisis has engendered.
自相矛盾的关于四号核反应堆贮存核燃料的冷却池剩余水量的的信息是这次核危机究竟带来多大危险这个谜题的标志。
What a pebble bed reactor is, is in fact the same coated particle with the uranium kernel and there are about ten thousand of these particles that are put into a graphite pebble.
什么是卵石层反应堆,事实上就是同样的,铀核包装的微粒,有大约1万的微粒,被放入了一个石墨卵石里。
Next is the cost of as much as $10 billion and five years to build each reactor, compared with about $1 billion for a natural gas-fired power plant.
即使突破了前面的重重难关,开发商还要花费将近百亿美金和五年的时间建造每一个反应堆。相较之下,一个燃气发电厂的造价不过十亿而已。
And then the fuel assemblies are placed into the reactor and the core is operated for about a year to eighteen months before it has to be re-fuelled and fresh fuel has to be put in.
燃料组件会被放置入,反应堆,还有核心会被运作大约一年,到18个月,在它再次燃烧,新的燃料需要加进去。
The explosion at the No.1 plant’s No.1 reactor about 3:40pm local time injured four workers and vented radioactive material into the air.
当地时间3点40分,福岛第一核电站一号反应堆发生爆炸,4名工人受伤,放射性物质已扩散进入空气中。
When a reactor core is shut down, its energy output drops not to zero, but about 6% of its normal output, Forsberg told me.
当一个反应器的中心部位被关掉,它的能量输出到零,但是6%仍然正常输出,forsberg说。
Haile estimates that a rooftop reactor could produce about three gallons of fuel a day.
Haile估计,安装在屋顶的一个反应器可以每天生产大概3加仑的燃料。
And so, these are some solutions that you might wanna think about if you're ever faced with this situation. The next issue, do you have any questions on the reactor vessel by the way before I go on?
所以,这些是你们可能会想到的,解法,如果你曾经面对这个情况,下一个问题,你们对反应堆管道,有任何问题吗,在我们继续讲之前?
I'm also gonna spend some time talking about the reactor oversight process and the code of federal regulations which controls everything that happens in an operating reactor.
我也会花些事件来谈论,反应堆的监督过程以及,联邦条例中的规定,那控制着在一个,运行中的反应堆发生的一切事项。
And we have, and I'll get to that in a moment, but there are many reactor types we can talk about.
我们有,我们会马上说到那点,但是有很多我们可以谈论的的反应堆类型。
The reactor that Areva is building in Finland might have dispelled worries about the commercial viability of new plants, were it not behind schedule and over budget itself.
阿海珐在芬兰建造的反应堆本可以打消对新核电站商业运作上的担忧,但它的建造计划拖延,超过了预算。
We have certain things that we worry about in a reactor and we call those Critical Safety Functions which need to be in general maintained.
我们有些事情要担心,在一个反应堆里,我们称那些为临界的安全功能,那大部分需要维护。
So we're talking about a reactor that has a break in the primary cooling system and what is a double ended guillotine break?
我们谈论的是,一个反应堆出现了破裂,在主系统的冷却系统,还有两端,闸床的破裂是什么?
It works to improve the efficiency of existing energy sources, including nuclear power as it has its own nuclear reactor, a lesser-known fact that MIT prefers not to brag about.
它能有效的改进现存能量的使用效率,包括核能,该校有一个核反应堆,麻省人不愿过分张扬的少有人知晓的事实。
It works to improve the efficiency of existing energy sources, including nuclear power as it has its own nuclear reactor, a lesser-known fact that MIT prefers not to brag about.
它能有效的改进现存能量的使用效率,包括核能,该校有一个核反应堆,麻省人不愿过分张扬的少有人知晓的事实。
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