But they do not stop spontaneous fissions in fuel rods from fuel and fission products.
但他们并没有阻止自然地发生在来自核燃料和裂变产物的燃料棒上的裂变。
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？
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。
This gas plenum is used to capture the fission products which are gasses such that the fuel pin does not over-pressurise.
这个气体空间曾用来获取裂变，气体生成物，这样，燃料大头针，就不会被过度增压。
The solid fuel pellet (a ceramic oxide matrix) is the first barrier that retains many of the radioactive fission products produced by the fission process.
固体的燃料弹（陶式氧化物母体）是第一道防护，隔开裂变过程中产生的裂变放射。
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。
Such reprocessing-or even fast-neutron reactors that don't use water to moderate fission and can potentially create more fuel than they consume-remain a distant prospect.
这种再处理工艺，或甚至快速中子反应堆不使用水来缓和裂变，及比他们消耗量创造更多的燃料，仍是一个遥远的前景。
An engine imbibes fuel (steam, fission, petrol, or elbow grease) and transforms it into work.
发动机吸收燃料(蒸汽、裂变、汽油或者做大量的功)并将其转换为功。
But then you have some neutrons that do 235 end up being absorbed in the fuel, uranium 235 and then there's a certain likelihood that some of these neutrons absorbed in the fuel do not fission.
但是你会有一些中子，那最后会在燃料中吸收，铀5，然后还有些可能是，这些在燃料中吸收的中子不会裂变。
And the critical safety functions are listed here, and people might have somewhat different definitions but we want to keep the fission products within the fuel as one safety function.
临界的安全功能就列在这里，人们可能有一些不同的定义，但是我们要保持这些裂变生成物，在燃料里由于一个安全的功能。
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。
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。
The uranium fuel generates heat by neutron-induced nuclear fission.
铀燃料是由中子导致的核裂变产生的能量加热的。
Nuclear fission produces insane amounts of energy — we're talking several million times more energy than you'd get from a similar mass of a more everyday fuel like gasoline.
核裂变产生的能量极其巨大——相比同等质量的普通燃料如汽油等，核裂变材料释放出的能量要多出几百万倍。
Plutonium is produced during nuclear fission, so is present in all reactor cores - the longer the fuel has been there, the more plutonium will be present, up to about 1%.
钚是在核裂变过程中产生的，所以在所有的反应堆中都存在---燃料在反应堆内烧的时间越长，产生的钚就越多，最高可以到1%。
The uranium fuel generates heat by nuclear fission.
铀燃料通过核裂变产生热量。
Fission gas release measurement of reactor fuel rods is one of the main issues of post-irradiation examination, which plays a key role to the evaluation of fuel performance.
反应堆燃料元件的裂变气体释放率测量是辐照后检验的一项重要内容，它对于评价燃料元件的性能起着重要作用。
The majority radioactive fission products of the spent fuel elements in high temperature gas-cooled reactor(HTGR) is contained in the fuel element.
高温气冷堆乏燃料元件的放射性裂变产物绝大部分滞留在燃料元件中。
This is anew kind of electrostatic precipitator that can detect the gaseous fission products released by failed fuel elements.
这是一种新型静电沉降器，用来监测破损燃料元件释放的气态裂变产物。
Nuclear fuel "means any material which is capable of producing energy by a self-sustaining process of nuclear fission and which is used or intended for use in a nuclear ship."
“核燃料”，是指能够通过自身的核裂变过程产生能量，并且被用于或意图用于核动力船舶的任何物质。
The energy comes from nuclear power reactors in the fissile material (nuclear fuel) for the release of fission fission energy.
核能发电的能量来自核反应堆中可裂变材料(核燃料)进行裂变反应所释放的裂变能。
So the impact of fuel assemblies burn-up on core fission neutron source parameters shall be considered in the neutron transportation calculation.
因此，在中子输运计算中，必须考虑组件燃耗对堆芯的裂变中子源参数的影响。
Nukes made 20 percent. in addition, nuclear fission differs from the burning of fossil fuel in that it produces neither sulfur dioxide nor nitrogen oxides, the pollutants that cause acid rain.
核能源仅提供了20%此外，核分裂和燃烧矿物燃料还有一个重要区别：核分裂不会制造能导致酸雨的两种污染物质，二氧化硫和一氧化氮。
This paper presents the thermal analyses for steady state, depressurization and total loss of flow in the tokamak heliumcooling slab fuel element fusion-fission hybrid reactor.
本文对以托卡马克为聚变装置、氦气冷却板状元件包层的聚变-裂变混合堆进行了稳态、卸压和全厂断电断流的热工分析。
Fuel rods that were producing fission have cooled substantially since the reactors shut down.
反应堆断电后，发生裂变的燃料棒大体冷却。
Fuel rods that were producing fission have cooled substantially since the reactors shut down.
反应堆断电后，发生裂变的燃料棒大体冷却。
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