Calculation of high - order nonlinear polarizability in single modle fiber 高阶非线性极化率的递推公式
2.
Effect of lewis acidity and polarizability of imidazole - based chloroaluminate ionic liquids on the catalytic performance for the alkylation of benzene 酸性和极化能力对苯烷基化反应性能的影响
3.
Provides a foundation to treat general phenomena in materials science and engineering , including chemical reactions , magnetism , polarizability , and elasticity 提供处理材料科学与工程中一般现象的基础，包括化学反应，磁学，极化和弹性。
4.
The results show that , for metallic ore deposits with indistinct difference in electrical resistivity and considerable difference in polarizability , this technique is fairly effective and deserves popularization 结果表明：对于电阻率差异不大而极化率相差较大的金属矿来说，该方法的应用效果较好，具有一定的推广实用价值。
5.
A theoretical binding - energy difference can be obtained using an electrostatic model that has been applied to other ionic components [ 25 ] and values from the literature for the madelung constants [ 26 ] and c60 polarizability [ 27 ] . [ p9872l ] 结合能的差异理论上可以从适用于其它离子成分[ 25 ]的静电模型估算出来，这里需要的数据是文献中的马德隆能常数[ 26 ]和c60的极化率[ 27 ] [ p9872l ] 。
6.
For ga5p5 cluster , the most stable structure is a cube - based structure . the calculation of the density of states for ga5p5 shows semiconductor - like property . the ir and raman spectra , the dipole polarizability anisotropy invariant and hyperpolarizability are also calculated 对于ga _ 5p _ 5团簇的最稳定结构，用b3lyp 6 - 31 + g ~ *又进行了优化，计算了态密度，发现其具有半导体的性质，还计算了红外和raman谱以及极化率，超极化率。
7.
The result shows that with the addition of rare earth elements , ultrasonic irradiation and magnetic field , the chemical component , surface configuration , microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably . such kind of change can be described as the followings . firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases , but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced , and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce , la and decreases with the addition of heavy rare earth elements such as y . on the other side , when the alloy coatings passes through the heat treatment under the temperature of 250 or 500 , their properties will change 结果显示化学沉积co - ni - b 、 co - fe - b工艺在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超声波、磁场)介入后，沉积过程、合金成分、镀层形貌结构和性能都有显著变化，表现在：镀液的阴极极化过电位和极化度降低，沉积速度提高；镀层的结合力、表面质量改善；镀层中过渡族元素的含量增加，轻元素硼的含量降低，同时证实了稀土元素与过渡族元素共沉积的可能性；镀层的显微结构由非晶态向微晶和多晶态转变；镀层的显微硬度与耐磨性提高，力学性能优化；镀层的矫顽力降低；磁导率提高；镀层的磁化强度在能量(超声波、磁场)和轻稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
8.
Re also enhanced the deposition potential , polarizability and cathode overpotential of the baths , changed the result of chemical deposition reactions and actuate the deposit of cobalt alloy . and the chemical deposit co - b - re , co - ni - p - re alloy include re which electrode potential is much more negative was obtained . the structure of co - b - re was composed of microcrystal Re还提高了镀液的静止析出电位、极化度和阴极过电位，改变了化学沉积反应的强弱次序，加强了钴基合金的析出反应，成功地获得了含电极电位较负的re ( la , ce , y )的化学沉积co - b 、 co - ni - p薄膜。
9.
Possible geometrical structures and relative stability of semiconductor microclusters ganpn ( n = 1 - 5 ) are studied by using density functional calculations with generalized gradient approximation ( b3lyp ) . for the most stable isomers of ganpn ( n = 1 - 4 ) clusters , the electronic structures , vibrational properties , dipole moments , polarizability and ionization potential are analyzed using hf , mp2 , cisd and b3lyp methods with different basis sets 用梯度修正的密度泛函方法( b3lyp 6 - 31g )优化了ga _ np _ n ( n = 1 - 5 )团簇的可能几何构型，计算了各稳定构型的的振动光谱，并用不同方法( hf 、 mp2 、 cisd等)研究了各稳定构型的电子结构、电离势、偶极矩和极化率等性质。
