2) discrete dipole approximation
离散偶极子近似
1.
Analysis of super focusing effect in tapered metal nano-structure with discrete dipole approximation method
采用离散偶极子近似(DDA)方法研究渐变锥形金属纳米结构的超聚焦效应
2.
The UV/VIS absorption spectra were observed; following the Discrete Dipole Approximation approach, the absorption spectra were simulated, the effect of the size on the absorption spectra is discussed.
用Na3C6H5O7还原HAuCl4, 获得不同粒径的金纳米球, 观测粒子的UV/VIS吸收光谱,采用离散偶极子近似理论进行模拟, 探索纳米粒子的尺寸对吸收光谱的影响。
3) DDA
离散偶极子近似
1.
Firstly,based on the Discrete Dipole Approximation(DDA)method,the Extinction Spectrum of the silver nanosphere,nanorods and nanoellipsoids with different aspect ratios in the air were calculated.
先利用离散偶极子近似(Discrete Dipole Approximation,DDA)的方法,分别计算置于空气中的球形、不同长径比的椭球形和棒形银纳米粒子的消光光谱。
2.
In this article,the Discrete Dipole Approximation(DDA) was used to calculate the extinction spectra of the gold and silver nanoparticles with the shape of sphere and cylinder.
本文采用离散偶极子近似理论,研究金、银两种金属的球形和棒状纳米粒子的消光光谱。
3.
This paper adopts the DDA to calculate the effective permittivity of a multi-phase mixture composed of spherical particles and non-spherical particles.
利用离散偶极子近似(DDA)给出了一种计算由球形粒子和非球形粒子组成的多相(大于三相)混合物有效介电常数的方法。
4) ion-dipole
离子偶极
5) dipolar ion
偶极离子
1.
On the basis of the Structural features of the dipolar ion, the new model helps to anlyse the formation of the ion bond, van der Waals bond, ion area, hydriphobic screen and crystal structure in the Physichemical Processes of crystalization hydeation, spreading, dissolution, etc.
该模型依据偶极离子的结构特征，从结晶、水化、扩散、溶解等物理化学过程，分析了离子键、范德华键以及它们形成的离子层、疏水屏障和晶体结构，并论证了等电点时溶解度最低这一原理。
6) discrete dipole approximation
离散偶极子近似方法
1.
The discrete dipole approximation(DDA) is used to solve the soot aggregates scattering problem.
利用离散偶极子近似方法(Discrete Dipole Approximation)研究了煤烟聚集粒子的散射特性,讨论了分形煤烟聚集粒子的散射强度随煤烟聚集粒子的分形结构、大小、相对折射率及入射波波长变化情况。
2.
The discrete dipole approximation(DDA) is a flexible and powerful technique for computing scattering and absorption by targets of arbitrary geometry.
离散偶极子近似方法(Discrete Dipole Approximation,DDA)是研究粒子散射特性的重要理论方法之一。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条