Capillary - column gas chromatography was applied successfully to determine the ethanol in the xylose fermentation broth, the coefficient variation was less than 2 percent.
介绍了利用毛细管柱气相色谱法测定木糖发酵液中乙醇含量，其变异系数小于2 %。
2
Construction process simulation is achieved through using the column length variation method and creep is considered by Age-Adjusted Effective Modulus method in my FEM program.
自编程序用柱长变化的方法模拟施工过程，并采用按龄期调整的有效模量法考虑徐变效应。
3
The variation of gas holdup with gas velocity, column diameter, solid concentration, static bed height and gas distributor was studied in slurry bubble columns with three different diameters.