hpp meaning in English
4-羟基吡唑酮嘧啶
高压泵
特戊酸叔己酯
液压气动控制台
Examples
- Hpp : high - order path protection
高阶通道保护 - Cggc established three top one in china in 1987 during the construction of gezhouba hpp , i . e . annual installed sets , capacity and progress of the turbo - generator units
1987年，葛洲坝集团在葛洲坝工程建设中创造了当时年装机台数、容量和进度"三个全国第一" 。 - By compounding jd with hpp , the " overlapping effect " of two kind superplasticizers was fully manifested . the compatibility of jd with cement and keeping slump value were more improved through this compounding way . meantime , the bleeding and segregation of hpp were overcome too
Jd和hpp复合使用，可充分发挥高效减水剂的“叠加效应” ，进一步提高jd与水泥的适应性，坍落度保持性能，也克服了氨基磺酸盐高效减水剂泌水离析等缺陷。 - The synthesizing process can be finished in a single kettle . not only technology is very simple , but also the reaction time is shortened , therefore , the production efficiency is obviously increased . the general performances of modified melamine resin superplasticizer jd can be furthermore improved by compounding amino - arylsulphonate phenol formaldehyde condensate superplasticizer hpp
使用廉价的活性单体尿素取代三聚氰胺单体以降低高效减水剂的生产成本，并将取代量提高到了目前最高水平17 ；合成在一个反应釜中完成，工艺简单，反应时间缩短，提高了生产效率；本文通过物理改性的手段，即复配氨基磺酸盐高效减水剂hpp ，可进一步改善改性密胺树脂高效减水剂的综合性能。