The experiment results show that the mass ratio of fly ash to pyrite residue, the dosage of acid, the soakage time and temperature are the main factors to the preparation of flocculence.
实验结果表明，影响混凝剂制备的主要因素是粉煤灰与硫铁矿渣的质量比、酸用量、浸取时间和温度。
The safety monitoring system could give out the values of the hole water pressure, the change curve of pressure vs. time, and the soakage line of the dam body.
该系统可根据需要给出孔隙水压力值，压力值随时间变化的曲线及坝体浸润线。
Methods: By single-factor experiment, quantity of water, degree of crush, time of extraction and soakage and the part of medicinal materials were studied.
方法：以挥发油所得量为评价指标，采用单因素比较法对提取过程中的加水量、药材粉碎度、提取时间、浸润时间及药材提取部位等进行了全面比较。
Methods: By single-factor experiment, quantity of water, degree of crush, time of extraction and soakage and the part of medicinal materials were studied.
方法：以挥发油所得量为评价指标，采用单因素比较法对提取过程中的加水量、药材粉碎度、提取时间、浸润时间及药材提取部位等进行了全面比较。
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