In the environmental monitoring,to notate the results smaller than the detection limit by Not Detected,Zero,None or 0.00…n etc.is inappropriate even leads to the misjudged conclusion.
The results show that the failure is mainly attributed to the inappropriate heat-treatment technology of the locking nut and the hydrogen brittlement from electroplating of the stopping pad.
Development trend of domestic third-stage multiclone is expounded as well as the problems such as single tube wearing, low capacity of single tube and the inappropriate catalyst exhaustion.
17 The service and tax that governors impose on people get more and more heavy.The escaper is punished by very inappropriate ways.Many people are banished to the frontier of country or killed.