1)  nuclear fission
原子核裂变
1.
We look back on the detours encountered and lessens to be drawn in the research leading to the discovery of nuclear fission.
回顾了原子核裂变发现走过的一段弯路，讨论了这段历史提供的启发和教训。
2)  fission chamber
（原子）核裂变电离室
3)  atom
原子
1.
The calculation of crystal cell parameter, atom amount and crystal-plane's atom auount in nano-cordierite;
纳米级堇青石晶胞参数、原子数和晶面原子数计算与研究
2.
Relationship of crystal ionic radii and atomic number;
晶体离子半径与原子序数的关系
3.
On atom s Transition Probability in the Radiation of Weak Broadband;
弱宽带辐射条件下的原子的跃迁几率
4)  Be atom
Be原子
1.
In the present work the polarizability and the hyperpolarizability of Be atom are obtained at the SCF level with basis-set expansion and analytic derivation method.
用基组展开和解析求导的方法精确计算Be原子SCF水平的极化率和超极化率。
5)  Atomic
原子
1.
Determination of the contents of eleven metal elements in Folium Isatidis by flame atomic absorption spectro-photometry method;
火焰原子吸收法测定栽培大青叶中11种金属元素含量
2.
Glycine,asparagines,glutamic acid and alanine in sepia were determined by HPLC-AccQ-Tag method and iron was determined by atomic absorption spectrophotometer.
方法:通过黑色素溶于碱性溶液、在酸性环境中有黑色物质析出的性质对黑色素进行定性鉴别,采用HPLC-AccQ-Tag法测定乌贼墨中甘氨酸、天门冬氨酸、谷氨酸和丙氨酸的含量,采用原子吸收分光光度法测定乌贼墨中微量铁元素的含量。
3.
We studied the interaction of two two-level atoms with two mode caving field and discussed the influence of the strength of two mode caving and atomic coupling on the squeezing of field,the ralation between squeezing and the second-order correction degree was revealed.
研究了两个二能级原子与双模场的相互作用 ,用数值计算方法讨论了无关联双模场的强度变化及原子耦合系数大小对场的压缩的影响 ,并给出了场的二阶相干度与压缩的内在联
6)  Atoms
原子
1.
Based on several kinds of discrete Hardy spaces which are equivalent with each other,the author discusses their decomposition of atoms.
基于各种等价的离散Hardy空间Hp(Z),进一步讨论其原子分解,定义离散Hardy空间Hp,q,s0(Z)(0
参考词条
补充资料：核裂变反应堆
分子式：
CAS号：

性质： 一种使易裂变材料实现自持链式反应并利用其释放出的核裂变能的装置。由发生核裂变反应的堆芯、中子反射层和慢化剂、导出热量的冷却回路、堆内结构材料及安全壳等组成。可用于发电、舰船推进、生产有用的核材料和放射性同位素及供热等。还是进行核物理和中子物理实验、辐射化学放射医学等研究及核工程设计试验的工具。

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