interatomic separation

The temperature dependence of the volume thermal expansion coefficient, bulk modulus B T(T) and interatomic separation r(T) are investigated from room temperature up to melting temperature for sixteen ionic solids.

研究了 16种离子型固体在室温到熔点之间的体积热膨胀系数、体积模量和原子间距 。

We confirm the ground-state structures of (TM) 4 clusters, study their magnetism, binding energy and average interatomic distance systematically, and find that in the 3d series (TM) 4 clusters, the l o cal magnetic moment of Mn 4.

确定出 3d系列 (TM ) 4 团簇的基态构型 ,对其磁性、结合能和平均原子间距作了系统的研究 ,得出在 3d系列 (TM) 4 团簇中 ,Mn4 的局域磁矩最大 ,V4 的局域磁矩最小 ,并且除Cr4 在LSDA和GGA均为反铁磁性耦合及GGA下的V4 为反铁磁性耦合外 ,其他均为铁磁性耦

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

Relationship of crystal ionic radii and atomic number;

晶体离子半径与原子序数的关系

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

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。

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

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。

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