PH indicator
常见例句
- It is firstly def ined as minus logarithm of PH indicator.
首先定義爲氫離子濃度負對數。 - 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.
本文綜述了黑色素的理化性質和生理功能,以及林木植物黑色素的分離制取方法,竝就黑色素的研究和應用進行了展望。 - 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.
以酒精度爲指標,研究了初始糖度、初始酸度、接種量和發酵溫度對涼薯果酒發酵的影響;
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