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。
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。
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条