PH indicator
常见例句
- It is firstly def ined as minus logarithm of PH indicator.
首先定义为氢离子浓度负对数。 - A method of abstracting plant pigment as alternate indicator was described, and the change of colour at different pH ranges in various plant pigmentes was measured.
本文综述了黑色素的理化性质和生理功能,以及林木植物黑色素的分离制取方法,并就黑色素的研究和应用进行了展望。 - Taking alcoholicity as the indicator, the effects of initial sugar content, initial pH, inoculum size and temperature on the fermentation of the wine were investigated.
以酒精度为指标,研究了初始糖度、初始酸度、接种量和发酵温度对凉薯果酒发酵的影响;
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