Phenolphthalein or indicator of such a kind is used as colour indicator.
本发明还可加入酚酞或酚酞类酸碱指示剂作显色指示。
Not confined to clothing, silk was also used for a number of other applications, including writing, and the colour of silk worn was an important indicator of social class during the Tang Dynasty.
丝绸不仅用于衣物，而且还有许多其它用处，包括书写，以及人们穿戴丝绸的颜色在唐朝是社会阶级的重要标志。
Simultaneously, the challenge of dividing the required functions within the spa was just as important, using colour as an indicator of program.
将各种需要的功能空间规划放置在这个狭小的空间里的挑战，一点都不比使用色彩做为空间的引导和划分来得容易。
The fuzzy character of colour of the acid base indicator alizarin yellow R is studied in the paper.
研究了酸碱指示剂茜素黄R颜色的模糊特性。
According to the study of determination of molybdenum in compound micro-fertilizer by means of mix indicator technique, it was found that change of terminal colour of titration is clear.
研究了混合指示剂法对复合微肥中钼的测定，测定终点颜色变化明显。
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。
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。
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