method for hydrogen ion concentration 氢离子浓度测定法
Hildebrand method for hydrogen-ion concentration 希耳德布兰德氏氢离子浓度测定法
This paper briefly gives the principle based on the neural network method for concentration measurement of flue-dust emission and analyses its performance.
本文介绍了用神经网络方法测量烟尘浓度的原理，分析了其性能。
A simple and efficient method for concentration of enteroviruses from water sample was established based on the membrane adsorption-elution method combined with eluant concentration.
在膜吸附-洗脱和洗脱液浓缩相结合的基础上，建立了一种简便实用的水中肠道病毒浓缩方法。
A new carrier gas evaporation method for concentration of acrylamide aqueous solution was proposed, its basic principle was analyzed and discussed, and its technological project was also introduced.
提出了一种丙烯酰胺水溶液浓缩的载气蒸发新方法，分析和讨论了该方法的基本原理，介绍了载气蒸发新方法的技术方案。
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