This paper provides a feasible control pattern, which improves quality of boiler feedwater and effectiveness of corrosion prevention thus prolongs the period of service life.
为提高电厂锅炉给水品质，取得最好的防腐效果，延长机组使用寿命，提供了一个可行的控制方案。
2
Water stability is an important quality index of aquatic feed, which exerts direct influence onthe effect and environment of aquatic breeding.
水产饲料耐水性是衡量水产饲料质量的重要指标，直接关系到养殖效果和环境。
3
For maintaining the system's stable working, adding hydrazine or ammonia to feed-water and phosphate to boiler water are the common methods of adjusting water quality.