The theoreticalplatenumber "n" of distillation towers is an important data for distil - lation tower design.
化学工程中精馏塔的理论塔板数n是塔器设计的一个重要数据。
2
The theoreticalplatenumber is 6 143. The content of senegenin in Radix Polygalae from six districts of Shanxi province was measured with the above method.