【摘要】 对发电厂入厂煤人工采样和机械采样的化验结果进行了对比。一系列检验证明,人工采样可以获得有代表性的样品。分析了人工采样中经常存在的错误做法,并给出了人工采样的技术要点。更多还原

【Abstract】 The comparison of manual sampling and mechanical sampling of coal has been carried out.Through a series of verification,it has been proved that the representative samples can be obtained from manual sampling.Some erroneous practices often existing in manual sampling have been analysed,and main technical points for manual sampling being given更多还原