PH indicator 酸碱指示剂 ; pH指示剂 ; 指示剂 ; 酸指示
ph indicator ph 指示剂 ; 值指示器 ; 值指示剂 ; 氢离子负指数指示剂
ph indicator paper pH试纸
pH indicator absorbance ratio method pH指示剂吸光度比值法 ; ph指示剂吸收值比值法
universal ph indicator paper 试纸
ph-indicator ph指示剂
ph indicator phph 值指示剂 ; 氢离子负指数指示剂
dye for pH indicator pH指示剂用染料
pH indicator test paper 干化学试纸带
A brown or metallic green dye, C20H 12o 7, used as a pH indicator and in dyeing textiles.
一种棕色或金属绿色染料，C20 H 12o 7，用作酸碱指示剂和用于给丝织物染色。
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；
It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.
用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱，然后用酸度计或指示剂对抽提物进行测定。
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