1) effective value of prevention and cure of fluorine in water
水氟防治有效值
1.
Introducing the basic situation of water amelioration in the last ten years in Yuncheng Prefecture, Shanxi Province, the paper points out the main causes for the rising again of fluorine content in water-amelinration wells, discusses the determination method of the effective value of prevention and cure of fluorine in water in the No.
本文介绍了山西省运城地区十年改水的基本情况,指出了改水井水氟回升的主要原因,探讨了有别于国家饮水标准的重病区水氟防治有效值的确定方法、并对今后的降氟改水工作提出了几点意见。
3) effective control index
有效防治指标
4) available fluoride
有效性氟
5) available fluorine
有效氟
1.
An ion chromatographic method with ion-exchange and conductivity detection was used to determine available fluorine in soil samples.
利用离子交换-电导检测离子色谱法对土壤中有效氟进行测定。
补充资料：防治苹果茶翅蝽的有效药剂
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