2) calibration of concentration
浓度标定
4) concentration measurement
浓度测定
1.
Systematic investigations were made on the effect ofhydrolyzed polyacrylamide-3430s (HPAM)on concentration measurement of silicon and aluminum.
系统地探讨了复合驱替剂体系反应液中存在的水解聚丙烯酰胺3430S(HPAM)和对硅、铝元素浓度测定的影响。
2.
The effect of surfactant (OP-10) and hydrolyzed polyacrylamide-3430S (HPAM) on concentration measurement of silicon and aluminum have been investigated systematically.
系统地探讨了复合驱替剂体系AS、AP反应液中存在的表面活性剂OP 10和水解聚丙烯酰胺 3430S(HPAM)和对硅、铝元素浓度测定的影响 。
5) steady concentration
稳定浓度
1.
Based on the ventilation efficiency, calculates the steady concentration of pullutant in a comprehensive ventilating system.
根据房间通风效率 ,计算了常见的混合式通风系统的污染物稳定浓度 ,定量分析了影响稳定浓度的因素 ,如通风效率、预处理设备的效率、回风率等。
6) fixed concentration
固定浓度
1.
The method which accurately prepared the standard solution of fixed concentration was suggested in this paper .
提出一种准确配制固定浓度标准溶液的方法。
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