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1)  shedding rate
脱落率
1.
The main results were as follows: number of available cotton bolls were strongly correlated with N rates, and shedding rates of buds and bolls were negatively correlated with N rates; abundant nitrogen nutrition were the necessary condition to increase available bolls and decrease shedding rate; applying nitrogen fertilizer prolonged the duration of cotton bolling increase and.
结果表明:有效棉铃数量与氮肥施用量密切相关,蕾铃脱落率与氮肥施用量呈显著负相关,充足的氮素营养是增加有效铃数和降低脱落率的必要条件;施用氮肥延长棉铃增长的时间,并相对滞后脱落率上升的趋势;施用氮肥增加了棉株各个部位的有效铃数,尤其提高了中下部果枝上有效铃所占比重,同时施用氮肥降低了中下部果枝上的蕾铃脱落率
2)  high falling off rate
高脱落率
3)  shedding frequency
脱落频率
4)  losing ratio of bracket
托槽脱落率
1.
Clinical study of reducing losing ratio of brackets bonding to heavy fluorotic teeth;
重度氟斑牙直接贴面黏接托槽降低托槽脱落率
5)  Boll retention abccission rate
蕾铃脱落率
6)  flower and pod abscission rate
花荚脱落率
1.
Studies on morpho,flower and pod abscission rate of different soybean plant-types;
不同株型大豆形态与花荚脱落率的研究
补充资料:脱落率
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性质:是包衣颗粒剂包衣牢度质量指标。一般规定产品的脱落率≤5%。测定方法有气吹法和滚动法。气吹法是将一定量试样置入脱落装置中,通入空气流吹落一定时间后,计算有效成分脱落的百分率。滚动法是将一定量预先筛过的试样,装入滚动测定器的滚筒内,以75r/min速度转动15min后,再用原筛子筛10min,称量,计算脱落率s。s=[(A·a-B·b)/A·b]×100%。式中,A为脱落前试样质量;a为脱落前试样有效成分含量;B为脱落后试样质量;b为脱落后试样有效成分含量。

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