The test use the(GCMS) to check the odours,there are 21kinds of them,in them,the content of NH3 and H2S are very high.

• 实验采用气相色谱质谱联用仪(GCMS)对收集的堆肥尾气进行检测,测得21种气体,其中含量较大的气体为NH3和H2S等。