裂变核的变形运动被看作为扩散运动。
Deformation motion of the fission process is considered as a diffusion motion.
同时还需要足够多的、可裂变的原子核用于中子进行撞击,换句话说,需要一个临界质量。
There also need to be enough fissionable atoms about for the neutrons to bumpinto—in other words, a critical mass.
裂变的产物通常将散布在地球表面一片巨大的区域上,除非因为下雨产生局部核尘降。
The fission products are generally dispersed over a large area of the globe unless there is local rainfall resulting in localized fallout.
产生的新组成包括两个新原子核(副产物)、一些光子(伽马射线)以及更多的自由中子,它们是参与核裂变反应并产生能量的关键。
Those new pieces include two new nuclei (byproducts), some photons (gamma rays), but also some more free neutrons, which is the key that makes nuclear fission a good candidate to generate energy.
在2008年八月,v1309发生了最后的裂变,两个星核也终于合二为一,其发光的亮度也随之急剧提升。
V1309's final burst then occurred in August 2008 when the stars' cores finally became one and its brightness increased rapidly.
通过分析和计算锕系核裂变截面和全套中子反应截面获取了一组锕系核的裂变位垒参数。
The fission barrier parameters for actinide nuclei were obtained by analysis and calculations of fission cross-sections and complete neutron reaction cross sections.
给出了中子蒸发宽度、裂变宽度和超重核蒸发一个中子的概率对激发能与角动量分波的依赖关系。
The neutron emission width, the fission width and the realization probability for one neutron emission and their relation with excitation energy and angular momentum are also presented.
自由中子可以轰击其它的核,导致一系列的裂变,称为链锁反应。
The free neutrons can bombard other nuclei, leading to a series of fissions called a chain reaction.
裂变是原子核的一种运动形态,它所释放的大量能量为人们提供了一个重要的新能源。
Fissile nuclei of a movement form, it released a lot of energy for people to provide an important new energy.
利用这些结果,计算了一些核的形变位能随三参数变化的情况,给出了裂变位垒高度,与实验结果符合较好。
According to these results, the deformation potential energies of some nuclei are calculated, the calculated fission barrier heights of some nuclei are in agreement with the experimental results.
我们邀请你原谅我们王国及你们王国的自我焚化及虚假提升之舞,以及这所带来的核裂变及核毁灭。
We invite you to forgive our kingdom and yours for the dance of combustion and false ascension and the fission and nuclear annihilation that this has caused.
黑暗势力通过虚假提升或核毁灭造成了核裂变,这于是也就终结了地心地球光明与爱的伟大时期。
The darkness led to fission through false ascension or nuclear annihilation and this then ended the vast era of light and love in the inner earth too.
反应中,可裂变物的原子核吸收一个中子后发生裂变并释放出两三个中子。
Reaction, the nuclei of the fissile material after absorbing a neutron fission and release two or three neutrons.
另一方面,氪-85是铀-235和钋-239的核裂变产物。 对氪-85的同位素含量测定可以用于监督国际核公约的执行情况。
On the other hand, analyses of 85 Kr, a fission product of uranium-235 and plutonium-239, can serve as a means to help verify compliance with the Nuclear Non-Proliferation Treaty.
核裂变只能在某种类型的重核及不稳定核素内发生,如铀- 235及钚- 239。
Nuclear fission can only occur in some types of heavy and unstable nuclei such as in the uranium -235 and plutonium -239.
核裂变却是一个铀核吸收一个中子,而不是其它过程。
Nuclear fission, a process whereby a uranium nucleus absorbs a neutron, is not.
综述了核化学的研究现状。主要阐述了核化学的反应机理,包括衰变,聚变和裂变;
This paper summarized the research present situation of nuclear chemistry, mainly expounded the nuclear chemical reaction principle, including nuclear decay, nuclear fission and nuclear fusion.
原子核必须先裂变才能释放出原子能。
The nuclei of atoms must be split before atomic energy can be released.
本文论述了我国核化学基础研究的现状,重点介绍了裂变产物化学形态研究、裂变化学研究、裂变产物放化分离方法研究、长寿命核素核数据测量研究等领域的进展和展望。
The content includes chemical states of fission products, fission chemistry of 235U and 238U, radiochemical separation of fission products and measurement of nuclear data of long-lived nuclides et al.
由于较低的入射道库仑位垒、较低的不对称裂变谷中的条件鞍点和较小的中子分离能,一般地说,丰中子同位素的超重核形成截面明显增强。
The formation cross sections of the neutron-rich isotope are, generally speaking, obviously enhanced due to the lower Coloumb barrier, lower height of the conditional saddle-point…
由于较低的入射道库仑位垒、较低的不对称裂变谷中的条件鞍点和较小的中子分离能,一般地说,丰中子同位素的超重核形成截面明显增强。
The formation cross sections of the neutron-rich isotope are, generally speaking, obviously enhanced due to the lower Coloumb barrier, lower height of the conditional saddle-point…
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