Swine manure composting with straw, was operated with mechanical aeration and artificial turning and conducted at low air temperature.
研究机械强制通风、人工翻堆以及低温对猪粪堆肥的影响。
The change of corn straw powder and its feeding effects after fermented by a composite fungi system were studied through artificial culture and feeding test.
采用人工培养及动物饲喂方法，研究了玉米秸秆粉经复合菌发酵后的变化及对鸡的饲喂效果。
For the first time, the technology of producing artificial cotton from rice straw and the issue of treatment of the waste liquid is investigated.
首次对以稻草为原料制备人造棉工艺中操作因素的影响及产生的废液处理问题进行了探讨。
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