ประโยคภาษาจีน : 中文句子 |
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kǎo chá 考察 le 了 jìn tí 浸提 yè 液 de 的 jiǎn 碱 nóng dù 浓度 jìn tí 浸提 wēn dù 温度 hé 和 zhēng liú 蒸馏 jiā 加 yán 盐 liáng 量 duì 对 yān jiǎn 烟碱 tí qǔ lǜ 提取率 de 的 yǐng xiǎng 影响 |
The effects of the concentration of sodium hydroxide solution, immersing temperature and the amount of salt added during distillation on the yield of nicotine were examined. |