• 1. PH indicator: 酸碱指示剂 | pH指示剂 | 指示剂 | 酸指示
• 2. ph indicator ph: 指示剂 | 值指示器 | 值指示剂 | 氢离子负指数指示剂
• 3. pH indicator strip pH: 试纸

更多释义

• 1.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。
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• 2.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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• 3.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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