This biomass material is in a continuing state of decomposition, ultimately becoming that semi-stable material called humus.
这个生物质是在一个连续的分解状态下，最后生成了一种半稳定的物质叫做腐殖质。
2
Therefore, the rapid, sensitive and stablesemi-nested PCR are the effective methods for detecting trace bovine and sheep derived materials in feedstuff.
该技术具有快速、灵敏和结果稳定的特点，是检测饲料中痕量牛羊源成分的一种有效方法。
3
And two classes of semi-explicit difference schemes are also established by introducing a dissipative term, they are unconditionally stable and can be calculated explicitly.