Nuclear fission releases tremendous amounts of energy.
核裂变释放出巨大的能量。
Nuclear energy is produced by atomic fission.
原子裂变产生了核能。
Some byproducts of the nuclear fission are themselves radioactive.
有些核裂变产生的副产品自身具有放射性。
Uranium atoms are split into lighter atoms (aka fission products).
铀原子裂变为更轻的原子(aka裂变产物)。
The fission of the cell could be inhibited with certain chemicals.
细胞的裂变可以通过某些化学药品加以抑制。
Uranium 235 — the fuel inside a nuclear reactor — undergoes nuclear fission.
铀235——反应堆中的燃料——经过核裂变。
Now the energy that we're trying to capture is kinetic energy of these fission products.
现在,我们能够尝试获得的能量,就是这些裂变产物的动能。
Some byproducts of the nuclear fission are themselves radioactive.These decay, producing heat.
有些核裂变产生的副产品自身具有放射性。这些物质的衰变,也在产生热能。
As for economics, study after study rates nuclear fission one of the cheapest ways to make power.
就经济学方面来说,一再的研究认为核裂变是获取核电的最便宜方式之一。
Few believe in fusion now, though uranium-powered fission reactors may be coming back into fashion.
尽管核裂变反应堆可能重归流行,但是现在很少有人相信核聚变。
The fission process would be controlled using neutrons produced by a linear accelerator's proton beam.
该裂变过程会利用直线加速器质子束产生的中子加以控制。
If enough molten fuel gathers this way, a critical mass may be assembled, reigniting the fission reaction.
如果以这种方式熔化的燃料足够多,或许能够组成一个临界质量,重新引发裂变反应。
Any sudden excess of neutrons will accelerate the fission reaction and increase the reactor's power output.
任何突然出现的过量中子数会加速裂变反应,增加反应堆能量输出。
These radioactive elements are by-products of the fission reaction that generates power in the nuclear plants.
这些放射性元素为核电站裂变发电时的副产品。
So you can see as of a result of a fission we're producing fission fragments and also subsequently release energy.
所以,你们能看到,作为一个裂变的结果,我们生产出了裂变碎片,随后释放出能量。
Which are also very key parameters because the higher these Numbers are the more neutrons are produced per fission.
那些是关键的参数,因为这些数目越高,每个裂变产生的中子就越多。
Too many neutrons can cause a fission reaction to get out of control. Too few neutrons and a fission reaction stops.
中子过多会让裂变反应失控,中子过少则会让裂变反应停止。
Once the reactor's control rods are between sections of fuel rods, how is fission slowed to where it is controllable?
一旦反应堆的控制杆置于核燃料棒的中间了,我们应该怎么将裂变减慢到我们可控制的程度呢?
A fission reaction is a lot like a table filled with Jenga games, each stack of blocks standing close to another stack.
一个裂变反应很像是一个摆满积木游戏的桌子,每一个积木堆和另一个堆相邻。
But roughly 5 percent of reactor waste is highly radioactive fission products, including plutonium and other actinides.
但是约有百分之五的反应堆废料是高放射性裂变产物,包括钚和其他锕系元素。
The neutrons are created in a fission reactor, and slowed to incredibly low speeds by materials known as moderators.
这些中子从核反应堆中产生,在减速剂的作用下减到难以置信的低速。
The fuel is abundant, the process safe and the waste, though radioactive, is far less noxious than the stuff left over from fission.
燃料储量丰富,过程安全,废料尽管有放射性,但同裂变产生的废料相比,有害程度要小得多。
The idea behind the reactor was to use the heat generated by fission to heat hydrogen, which would expand, generating the force to push the rocket.
这一试验的原理是运用核裂变产生的热量给氢气加温,导致其膨胀,并产生推动火箭的力量。
The uranium or plutonium isotopes are referred to as "fissile," which means we can use them to induce fission by bombarding them with free neutrons.
铀或钚的同位素被称为裂变材料,即我们可以利用自由中子去轰击它们来产生裂变反应。
Nuclear reactors work in a similar way to other power plants, but instead of using coal or gas to generate heat, they use nuclear fission reactions.
核反应堆的工作原理和其他的发电站很相似,不过它们并不是使用煤炭或煤气来生成热量,而是利用核裂变反应。
Electricity can be generated by nuclear fission, hydropower, biomass, wind and solar energy; and cars and lorries can run on electricity or biofuels.
电能可以靠核裂变、水力发电、生物量、风和太阳能产生;轿车和卡车可以通过电或生物燃料运作。
Attempting to cool the cores, engineers are flooding cores and their containment vessels with seawater and boric acid, which ACTS to dampen fission reactions.
为了冷却核心,工程师们灌入掺了硼酸的海水,让核心及安全壳浸没在其内,以起到抑制裂变反应的作用。
That's due to the heat that remains in the nuclear core, both from the recently-disabled but still-hot fuel rods and from the various byproducts of the fission process.
燃料棒虽然停止工作,但仍然非常炙热,而且裂变反应生成的多种副产物也会产生很多热量,这些热量一直维持在反应堆的核心。
That's due to the heat that remains in the nuclear core, both from the recently-disabled but still-hot fuel rods and from the various byproducts of the fission process.
燃料棒虽然停止工作,但仍然非常炙热,而且裂变反应生成的多种副产物也会产生很多热量,这些热量一直维持在反应堆的核心。
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