population是什么意思

网络释义

用法例句

An experimental spectroscopic method of populations of the 52D and 62P states of Cs atoms produced by photodissociation of Cs2 molecules through the use of a Ar+ Laser radiation is presented, and the experimental parameters which influence the state populations are discussed.

提出一种用Ａｒ＋激光光解Ｃｓ２分子，从而得到Ｃｓ原子５２Ｄ，６２Ｐ态集居的光谱实验方法，并讨论了各种实验参数对原子集居数的影响。

The structural parameters of PNHAAs, such as the the maximum N-NO2 bond length (LBmax), the least N-N Mulliken population (BN-n), the least negative charge on the nitro group (QNO2) and OB100, were studied t.

通过研究PNHAAs的结构参数,如N-NO2最大键长、N-NO2键的最小Mulliken集居数、-NO2所带最小负电荷、氧平衡,预测了10个标题物的相对稳定性或感度(起爆的难易程度。

The fully optimized geometrical structure, Mulliken population and the binding energy be-tween UO 22+ ( PuO 22+) and H2O in UO 22+?nH2O ( PuO 22+?nH2O) have also been studied.

然后对铀酰和钚酰水合离子的几何构型、Mulliken集居数分布以及铀酰(钚酰)与配体水分子的结合能进行计算,计算结果表明UO22+?5H2O和PuO22+?5H2O分别为铀酰和钚酰系列水合离子中最稳定的配合物。

Effect of physical exercise on weight control and physical capacity of obese children in kindergarten.;

加强体育锻炼对集居儿童单纯性肥胖体重控制和体能影响的研究

X-O bond length, lattice constant, and atomic bond populations are analyzed.

采用第一原理赝势平面波方法对添加稀土元素的二氧化锆晶胞进行了几何优化计算,对计算后的X-O键键长、晶格常数变化及键集居数进行了分析,并将计算结果与实验数据进行对比讨论。