most probable number

Comparative studies of P/ A test and most probable number ( MPN) in milk and water were carried out for the new method and standard method. No disagreement was observed for both methods.

5个牛奶检样和4个水质检样中的定性（P/A）及在牛奶中进行大肠菌群和大肠杆菌最可能数（MPN值）的研究显示，新方法与标准方法有一致的结果。

Sterilization of nutritive solution for soil less cultivation by ozone was determined with dilution flat plate counting method and most probable number ( MPN).

采用稀释平板法和MPN法，测定了臭氧对无土栽培营养液的消毒杀菌作用。

The composition of bacterial communities in the formation water is determined by most probable number method, pour plate method and roll-tube technique.

利用最大或然数法、倾注平板法和滚管法对产出水中的细菌群落状况进行了分析。

Nitrifiers and denitrifiers populations were estimated by the most probable number ( MPN) method.

试验采用最大可能法（MPN）计这两种微生物菌群的数量。

Application effect of most probable number ( MPN) method in photosynthetic bacteria counting

最大或然数法在光合细菌计数中的应用及效果研究

Most probable number ( MPN) method was employed to determine distribution of the nitrogen-cycle bacteria in a pond water, including ammonifying bacteria, denitrifying bacteria, nitrosobacteria and nitrobacteria.

采用最大可能数法分析了不同季节池塘水体中氨化细菌、亚硝化细菌、硝化细菌和反硝化细菌的种群数量。

The amounts of iron bacteria in the distribution system water and the water from each treatment processes were determined by Most Probable Number ( MPN) and Plate Counts methods.

选取某市给水管网，分别采用MPN法和平板计数法对管网水及水厂处理单元出水中铁细菌的数量进行测定。