The results showed that HEDP was an effective and stable chemical scale inhibitor;
研究结果表明，HEDP是一种较为有效且稳定的化学阻垢药剂；
One of key problems of HEDP development is how to integrate it with CAD system seamlessly.
如何和CAD系统无缝集成是HEDP系统开发着力要解决的关键问题之一。
There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).
羟基乙叉二膦酸酸洗后预膜液的选择较少有人研究，而适当的预膜钝化是防止酸洗后金属表面返锈的必要措施。
The single crystal of HEDP was obtained through recrystallization method, which was characterized by single crystal X-ray diffraction technique, infrared and NMR spectroscopy.
用重结晶方法得到了羟基乙叉二膦酸的单晶，通过单晶x -射线衍射技术测定了晶体的结构，并用红外光谱和核磁共振波谱对其进行了表征。
The results show that partly hydrolyzed polyacrylamide can remove dust in converter dust-control water effectively and the scaling and corrosion could be detained by HEDP dosage.
应用结果表明，部分水解聚丙烯酰胺可以有效地去除转炉除尘水中的悬浮物，HEDP可以有效地减缓该系统的结垢和腐蚀。
The brine content of crude oils produced in Zhyangxi oil Field, Shengli, has increased up to 60-70% and the scale inhibitor used in oil-gathering stations, HEDP, has lost its most functions.
桩西油田产出原油综合含水已达60%- 70%，原用防垢剂HEDP已失去有效抑制集输站结垢的性能。
The brine content of crude oils produced in Zhyangxi oil Field, Shengli, has increased up to 60-70% and the scale inhibitor used in oil-gathering stations, HEDP, has lost its most functions.
桩西油田产出原油综合含水已达60%- 70%，原用防垢剂HEDP已失去有效抑制集输站结垢的性能。
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