法衍

毛细管气相色谱法衍生化的最优催化剂

Best Catalyst of Derivative Method in Capillary Gas Chromatography

为了提高X射线应力分析的效率，提出了公用背底法对衍射线进行背底扣除。

The common background method dealing with the background of diffraction profile was presented to increase the efficiency of X-ray stress measurement .

非对称线形衍射线的线形拟合与Κα双线分离着重介绍近似函数法中衍射线选型、Kα双线分离、几何宽化校正和物理宽化分离的新颖处理方法。

A METHOD FOR FITTING ASYMMETRIC DIFFRACTION LINE PROFILE AND SEPARATING Ka DOUBLET It was emphasized to introduce the treatment methodes about selecting X-ray diffraction line profile , separating Ka double line , correcting geometric broadening and seperating physical broadening .

首次采用P-W-C法求解衍/折射薄透镜系统的初级像差方程。

The primary aberration equation of the diffractive / refractive hybrid thin lens system is solved by the method of P-W-C firstly .

其中透射电镜观察法和X射线衍射线宽法由于技术成熟，是现在纳米颗粒测试的主要方法；

In these methods , TEM and XRD are the main methods because the technology is more mature .

纳米颗粒测试的6种常见方法分别为透射电镜观察法、X射线衍射线宽法、X射线小角散射法、BET比表面积法、离心沉降法和动态光散射法。

The six common methods for measuring nanoparticle size are TEM , XRD , SAXS , BET , the centrifugal method and DLS .

DES的性质稳定且沸点高，因而用气相色谱法检测须经衍生化。

DES is a stable and high boiling point compound , and thus derivation is required in GC analysis .

建立了测定鱼脂酸及其栓剂中有效成份的气相色谱内标法，用正交设计法确定了衍生化条件，方法的回收率和RSD分别为98.69%和±1.78%。

A quantitative GC internal standard method was established for the determination of active constituents of morrhuic acid suppository . Esterification condition of fatty acids was optimized by orthogonal design . Recovery and RSD of the method were 98.69 % and ± 1.78 % respectively .