The sampling conditions, sample preparation and measure methods are discussed and the control points of chemical analysis of high carbon are pointed out.
对取样条件、试样制备、测量方法进行探讨，指出高碳钢化学分析的控制要点。
Combinating the siol column and potted plant experiment synthesize analysis that the soil alkalinity below 30% can be all improved by hydraulic and agricultural measure without the chemical amendment.
结合土柱试和盆栽试验的结果综合分析，在土壤碱化度低于30%的轻、中度碱化土壤通过水利与农业措施相结合的办法而不用化学改良剂就可以改良好；
This paper explains the analysis course and the treatment measure for high vibration at the entry of low pressure cylinder of synthetic ammonia compressor in Liaohe Chemical Fertilizer Factory.
本文叙述了辽河化肥厂合成气压缩机低压缸入口处振值居高不下的分析过程及处理手段。
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