常量分析用英语怎么说？

常量分析

例句

• This makes isoparaffin analysis pass thermo vaporation separation examination from the sample hydrocarbonreservoirsaturated hydrocarbon. 降低分流比,增加进样量,提高灵敏度,使常量分析提高到痕量分析.
• The marked immunoassay technique gives the changes from macroanalysis to microanalysis. 标记免疫分析技术的出现使临床生化分析由常量分析向微量分析转变.
• An improved small scale buret used of macro analysis is introduced. 介绍了改制的用于常量分析的小型滴定管.