... upsetting test镦粗试验 uptake flue上升烟道 uranium铀 ...
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... upstream sequence 上游序列... uptake flue 排气烟道... upward and downward squint 上下向斜视,上斜眼...
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Uptake flue at kiln end 窑尾上升烟道
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Pot experiment was carried out to study the effect of different nutrient levels and nitrogen forms on the growth, nutrient uptake, partitioning, and potassium flow within flue-cured tobacco plants.
为材料,在室内砂培条件下研究了不同养分浓度及氮形态对烟株的生长、养分的吸收和分配,以及钾循环等的影响。
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