The theoretical plate number "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。
The theoretical plate number is 6 143. The content of senegenin in Radix Polygalae from six districts of Shanxi province was measured with the above method.
理论塔板数为6 143。 测定了我国远志主产区山西6个产地的远志中远志皂苷元的含量。
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