The mean dividend yield over that period was 4.5%.
同期平均股息生息率为4.5%。
This process was characterized by simple flow sheet, low pollution, high product yield over 80%, and high product purity over 99%.
此合成工艺流程简单、污染小，产品收率大于80%，提纯后的产品纯度大于99%。
In a pot experiment, tillers at specific stem nodes were artificially removed to study the productivity, growth redundancy and yield over-compensation capacity of rice plants.
试验在盆栽条件下采用人工剔除特定节位分蘖的方法研究水稻不同节位的生产能力、生长冗余现象以及产量的补偿能力。
All yield over 50%, product purity over 98%.
产品纯度达98%以上，反应总收率50%以上。
Using this technology, the leaching yield over 97% and recovery yield of zinc over 92% and separating of lead zinc could be realized.
该工艺浸出率达97%以上，锌总回收率达92 %以上，并可实现铅锌分离。
The separated nicotine is twice vacuum distilled in protective nitrogen to obtain nicotine product with purity over 98 % at yield over 83 %.
分出烟碱，在氮气保护下进行两次真空蒸馏即可得到98％以上的烟碱产品，产率在83％以上。
The separated nicotine is twice vacuum distilled in protective nitrogen to obtain nicotine product with purity over 98 % at yield over 83 %.
分出烟碱，在氮气保护下进行两次真空蒸馏即可得到98％以上的烟碱产品，产率在83％以上。
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