研究了测定碳化液中石油助长剂活性组份含量的方法——酸碱滴定法的测定条件和干扰因素； 确定了石油助长剂活性组份为一元弱酸盐，测得了对应的一元弱酸的离解常数和用强碱滴定时的等当点。
The conditions and interfering factors of the acid base titration method which has been used to determine the active components of the petrol growth substance in the carbonating solution were studied.
通过这种处理，在中和沉淀渣的小颗粒上形成完全的铁酸盐包复膜，在弱酸性条件下重金属离子不再浸出。
Through this kind of disposal process, heavy metal ions will no longer leach out from NPS under weak acidic conditions.
事实上，市场的大部分已经转移到有机酸盐的使用上，弱酸引起了辛辣反应，直至影响采食量，这是市场一部分的沉思。
The fact that a good part of the market has shifted to the use of the salts of organic acids, may be a reflection, in part, of the effect of weak acids on pungency and ultimately feed intake.
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