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供氮的英文

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"供氮"怎么读用"供氮"造句

英文翻译手机手机版

  • nitrogen supply

例句与用法

  • Effect of different nitrogen levels on smb - n and microbial activity
    不同供氮水平对根际微生物量氮及微生物活度的影响
  • Influence of returning green manure and wheat straw to paddy soils on soil available n content and rice yield
    绿肥和秸秆还田对稻田土壤供氮能力及产量的影响
  • Effect of combined application of bioorganic manure and inorganic nitrogen fertilizer on soil nitrogen supplying characteristics
    秸秆生物有机肥的施用对土壤供氮能力的影响
  • Secondly , soybeans were cultivated under different nitrogen level in nutrient solution ; the soft was used to statistics the histogram of leaf rgb color value and to calculate the leaf area . the statistics of biomass also was done . the combination of the two ways has revealed the relationship between the digitization rule of rgb and nitrogen level in leaf
    第二部分在不同的供氮条件下,培养出具有典型缺氮特征的大豆,利用诊断软件对叶片图像进行rgb灰度直方图统计和叶面积的综合计算,同时也进行生物量的统计,两者结合揭示数字化叶片rgb特征值与供氮水平之间的规律。
  • When inadequate n was added , the chloroplast structure in mesophyll cell was damaged in ear leaf , the amount of carbohydrate decreased in mestome sheath , and excessive n - redistribution and n - transportation to grain from vegetative mass appeared , which resulted in earlier leaf senescence . excessive n application led to too high activity of nitrate reductase , excessive vigorous nitrogen metabolism and too much exhaustion of carbohydrate in ear leaf , which resulted in the lack of enough carbohydrate in the lower leaf , meanwhile , the expansive chloroplast grana lamellae in leaf mesophyll cell and starch grain without nuclear in mestome sheath cell was observed , which led to the decrease of chlorophyll content and photosythetic capacity in maize leaf , then the early senescence occured
    氮肥用量不足导致穗叶叶肉细胞叶绿体结构性差,维管束鞘细胞碳水化合物累积减少,营养体氮素再分配率大而引起叶片早衰;而过量供氮则导致生长后期硝酸还原酶活性过高,氮素代谢过旺,消耗了大量碳水化合物,以致下位叶不能得到充足的碳水化合物供应而提早脱落,同时叶肉细胞叶绿体片层结构膨胀,呈“肉汁化”特征,维管束鞘细胞淀粉粒大量消耗,无核淀粉粒出现,从而叶片叶绿素含量下降,光合能力降低而出现早衰。
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