fi
ssion
复数形式
fissions
1
裂变
(chemistry) the splitting of a heavy and unstable atomic nucleus into lighter parts
- Nuclear fission was discovered in the late 1930s and provided insight into the enormous energy released during the splitting of uranium atoms.
核裂变是在20世纪30年代末被发现的,它提供了关于铀原子分裂过程中释放的巨大能量的见解。
- During the Manhattan Project, scientists worked to harness fission for military purposes and developed the first atomic bombs that explode via nuclear fission.
在曼哈顿计划期间,科学家们致力于利用裂变用于军事目的,并开发了通过核裂变爆炸的第一批原子弹。
- Studies of the fission process have helped expand understanding of nuclear stability and the breakdown of heavy isotopes into lighter fragments.
裂变过程的研究有助于扩大对核稳定性和重同位素分解为较轻碎片的理解。
同义词:
2
分裂, 细胞分裂
(biology) the process where a single cell splits itself into two or more daughter cells
- Yeast cells undergo fission to multiply rapidly through asexual budding and pinching division.
酵母细胞通过分裂进行无性出芽和收缩分裂以快速繁殖。
- Fission is an efficient form of reproduction that helps single-celled organisms populate their environment swiftly.
分裂是一种高效的繁殖方式,有助于单细胞生物迅速繁殖其环境。
- Under the microscope, scientists observed bacterial fission where one cell divides into two identical cells.
在显微镜下,科学家们观察到了细菌的分裂,其中一个细胞分裂成两个相同的细胞。