... hierarchical system 分级系统 nitrogen liberation 氮释放 leaf protein concentrate 叶蛋白精料 ...
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证明脉冲加热法氮释放完全。
It has been demonstrated that nitrogen release in pulse heat is quantitative.
通过正交试验考察了成熟湿地基质在选定的影响因素及水平下的氮释放量。
Under the selected factors and levels, nitrogen release quantity from the mature substrate of wetland was investigated by orthogonal experiments.
结果表明，温度升高，土壤中速效氮释放量增大，释放速度加快，释放周期缩短。
The results show that the release amount of N increases in the soil when temperature goes up , and the release period shortens when the release speed is up.
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