为确定烟草的适度亏水效应及烟草水分生理灌溉指标，进行了烟草蒸渗仪试验，通过控制土壤水分下限研究烟草的适度亏水效应。
Experimental study was performed to determine the moderate water deficit effect and physiological irrigation index of tobacco with lysimeters by controlling the lower limit of soil water content.
比较分析了烟草叶片中自由水含量测定的两种方法—阿贝折射仪法和称重法。
Two methods including Abbe Refractometer method and weighing method for measuring free water in tobacco leaves were compared in this study.
苯甲酸，安息香酸：一种芳香的白色结晶酸，C6H 5cooh，用来风干烟草或用于香水、洗牙水和杀菌剂。
An aromatic white crystalline acid, C6H 5cooh, used to season tobacco and in perfumes, dentifrices, and germicides.
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