The factors affect stability of water-in-oil emulsion were described hydrophile-lipophile balance, phase inversion temperature, geometrical array theory and the R ratio theory. Some factors associate with formula include polarity of oil phase, electrolytes, phase ratio and emulsifier.
以HLB法、相转变温度、几何排列理论及R比理论等系统解释了影响油包水型化妆品稳定性的各个因素，其中配方因素主要有油的极性、电解质、连续相与分散相比例及乳化剂结构；
With processing of synthetic data, the effects on wave impedance inversion results of the medium in the annulus space between the casing and the formation are investigated as the known acoustic and geometrical parameters deviate from the corresponding exact values.
通过对合成数据的处理，分别考察了已知介质的声学和几何参数存在的偏差对套管-地层环空间内介质的波阻抗反演结果的影响。
INVERSION OF TWO-DIMENSIONAL ELASTIC WAVE EQUATION WITH TWO VARIABLES WITHIN BORN APPROXIMATION Inverse BORN Methods Used on Two-Dimensional Elastic Waves in Geometrical Inverse Problems
Born近似二维弹性波方程的双参数反演二维弹性波几何反问题中的逆BORN方法