regressive wave是什么意思

用法例句

Simultaneous determination of Cu(Ⅱ),Fe(Ⅲ),Ni(Ⅱ) and Fe(Ⅱ) in the wastewater by multi-wavelength linear regression;

多波长线性回归法同时测定废水中的Cu(Ⅱ)、Fe(Ⅲ)、Ni(Ⅱ)、Fe(Ⅱ)

Simultaneous Determination of Wolframand Molybdenum in Catlyst by Multiwavelength Linear Regression Spectrophotometry;

多波长线性回归分光光度法同时测定催化剂中钨和钼

The calcium and magnesium were determined simultaneously by using multiwavelength linear regression spectrophotometry.

用多波长线性回归光度法同时测定钙、镁。

The article bases on the Beer law and the absorbinglight level′s addible character′s principle and advances a new method to use the MultiWavelength linear regression spectrophotometry to determine three contents of forming composition in the mixed solution simultaneously.

根据比耳定律和吸光度的加和性原理，提出多波长线性回归分光光度法同时测定混合液中３组分含量的新方法，对５ＢｒＰＡＤＡＰ的Ｃｕ２＋，Ｚｎ２＋，Ｃｏ２＋体系合成样的测定，获满意结果。