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1)  defluoridation effect
脱氟效果
1.
This paper studies material preparation,ion exchange model,acid wash and Fe exchange quantity effect for defluoridation material saturation absorbent quantity of model 732 changed property resin defluoridation;also concomitant ion influence on defluoridation effect of Fe(Ⅲ)-R and defluoridation mechanism of defluoridation material is explored.
结果表明,采用酸洗和动态交换方式可显著提高该脱氟剂的脱氟效果;共存离子和再生对该脱氟剂的脱氟效果无明显影响,树脂的最佳载铁量为69。
2)  Defluoridation efficiency
降氟效果
3)  nitrogen removal effect
脱氮效果
1.
The dissolved oxygen distribution and nitrogen removal effect in different structures of wetlands were investigated by two groups of comparison experiments(vertical flow with horizontal flow;single-stage with three-stage horizontal flow).
通过2组对比试验(垂直流与水平流湿地、单段式与三段式水平流湿地),考察了不同构型湿地中溶解氧的分布情况及脱氮效果。
4)  de-medium effectiveness
脱介效果
1.
This paper discusses on the present situation of and existing problems in the process of the heavy- medium system of Xiqu Coal Mine's Coal Washery, emphatically analyzes on the de- medium effectiveness, which provides reliable foundation for reducing the cost (the medium consumption of the system) and increasing the de- medium effectiveness of the sculping screen.
主要论述了西曲矿选煤厂重介系统流程的现状及存在的问题,重点对脱介筛脱介效果进行了分析,为降低成本(系统的介质消耗),提高脱介筛的脱介效果提供了可靠的依据。
5)  dehydration effect
脱水效果
1.
The paper introduces the working principle,structural and technical characteristics,dehydration effect and economic benefits of GPJ-60A pressurized disk filter.
本文介绍了GPJ-60A型盘式加压过滤机的工作原理、结构、技术特征、脱水效果以及所取得的经济效益。
6)  removal effects
脱除效果
1.
The impacts of various technological conditions on removal effects are investigated with the optimal technological conditions obtained as follows:ratio of Ca2+ to SO42- as 1.
考察各类工艺条件对脱除效果的影响,得最适宜工艺条件:钙离子和硫酸根离子的配比1。
补充资料:氟化脱重氮基反应
分子式:
CAS号:

性质:芳香族氟硼酸重氮盐加热分解脱掉重氮基生成芳香族氟化物的反应。Ar-N2BF4-Ar-F+N2+BFB。芳香族一级胺在氟硼酸(HBF4)存在下重氮化,一般可以得到较高产率的氟硼酸重氮盐,再经氟化脱重氮基反应,即得到芳香族氟化物,是在芳环上引入氟原子的重要方法。如果芳香胺芳环上还有羧基或羟基,则氟化物产率显著降低,这时可用六氟磷酸(HPF6)代替氟硼酸,例如在HPF6存在下邻氨基苯甲酸经重氮化得到六氟磷酸重氮盐,再加热分解,可以得到产率为78%的邻氟苯甲酸。

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