Establishing and perfecting the method of determining degradation extent, including the process of preparation of actived sludge, cultivation, domestication and degradation of surfactant.
建立和完善了表面活性剂生物降解度的测定方法，包括活性污泥的制备、培养、驯化和降解等试验过程。
The characteristic feature of the period of barbarism is the domestication and breeding of animals and the cultivation of plants.
野蛮时代的特有的标志，是动物的驯养、繁殖和植物的种植。
Since 1958, research workers at home and abroad studied on the domestication and cultivation of Pleurotus ferulae.
1958年至今，国内外许多科技工作者对其进行了驯化栽培研究。
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