The effect of chitosan coating preservative with 2, 4-d, chlorine dioxide on grapes stored at room temperature was studied.
用含2,4 - D、二氧化氯的壳聚糖涂膜剂研究葡萄的常温保鲜效果。
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He also ordered to complete the day-brush swimming pool, cleaning the platform, walkway, Tang Yi and the locker room and into the pool to more than 16 times the normal chlorine powder.