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The effect of surfactant concentration,, on the apparent kinetic constants of lipase in AOT/isooctane reversed micelles was studied.

研究了表面活性剂浓度对AOT／异辛烷反胶团中脂酶表观动力学参数的影响。

Three typical micro-mechanical models for the elastic constants analysis of stitched composites are compared by calculating,wihch are in-plane fiber bend model,sine waviness model and polynomially described fiber waviness model.

通过计算对比了铺层纤维面内弯折、正弦波状弯曲、多项式描述纤维弯曲三个典型的缝合复合材料弹性常数的细观力学分析模型。

Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants.

在一个常量声明里，提前声明的标识符iota代表了连续的无类型的整数常量。

In the first part of the thesis, we built up a highly sensitive and highresolution laser photoacoustic spectrometer, which can be used in the measurement of themolecular spectra of highly excited vibrational states. The high resolution near infraredspectrum of CrS and the hyperfine structure of 〓 molecule was also studied in thispart, spectroscopic constants were obtained by fitting the experimental data.

在本论文的第一部分，我们建立了一套高灵敏度和高分辨率的用于测量分子高振动态振转光谱的光声光谱仪，还使用激光诱导荧光方法研究了CrS分子近红外波段的高分辨光谱和〓分子的超精细结构，拟合得到了它们的光谱常数。

In the study on hyperfine structure,we computed the hyperfine interaction diagonal and off-diagonal constants of the 1s~22s2p~3P_(0.1)levels,and the effects of electron correlation and Breit interaction on these have been analysed.

在超精细结构的研究中，我们系统地计算了Z=20-83范围内24个类铍离子的ls~22s2p~3P_(0.1)态的超精细结构，得到了与其它理论和实验符合很好的结果，并分析了不同电子关联模型和Breit相互作用对超精细结构的影响。

To obtain the hyperfine structure and A-doubling parameters from the high-resolution spectra of novel free radicals directly, a set of algebraic formulae were developed to analyze the spectra with hyperfine structure and A-doubling resolution, some related important constants of NO have been obtained by analyzing its LMR spectra.

为了对新自由基分子激光磁共振光谱的早期标识提供一些必要的分子参数，我们发展了一组用于分析自由基分子高分辨光谱中的超精细和Λ-双分裂结构的代数方程，通过对NO超高分辨激光磁共振光谱中的超精细和Λ-双分裂结构的分析，获得了该分子的部分超精细结构参数，由此验证了该方法的可靠性，为新自由基分子的光谱标识提供了必要的参数和先导方法。

The electron paramagnetic resonance parameters g factors g(subscript //), g(subscript ⊥) and the hyperfine structure constants A(subscript //) and A(subscript ⊥) for the tetragonal KTaO3:Cu(superscript 2+) crystal are theoretically studied in this work.

用基团模型的3d^9离子在四角对称下的高阶微扰公式计算了KTaO3晶体中Cu(上标 2+)杂质中心的g因子g，g和超精细结构常数A和A。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d^9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu(superscript 2+)-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d^9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu(上标 2+)的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu2+-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu2+的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

Based on the crystal field theory, perturbation formulas of the spin Hamiltonian parameters g-factors (fourth-order) and the hyperfine structure constants (third-order) of 3d9 ions under tetragonal symmetry are established for the cases of small spin-orbit coupling coefficients and large spin-orbit coupling coefficients of the ligands.

本文基于晶体场理论，在较统一的理论模型和计算方法基础上运用微扰法分别对配体旋轨耦合系数较小和配体旋轨耦合系数较大的情况建立了3d9离子的自旋哈密顿参量g因子的四阶微扰公式和A因子的三阶微扰公式。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。