以南果梨为试材，研究了不同时期套袋对梨果皮色素的影响。
The influence of bagging on the peel pigment is tested with "Nanguoli" pear as material.
以南瓜果肉为试材，研究乙醇浸提法提取胡芦巴碱工艺条件。
In this study, alcohol was used to extract trigonelline from pumpkin flesh.
以河南产烤烟为试材，研究了烤烟烟叶成熟度与香气质量关系。
The relationship between maturity and aroma quality was studied using flue-cured tobacco leaves in Henan.
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