n content n含量 ; 氮素含量 ; 氮含量
resin n content 树脂含量
N-content 作物含氮量 ; 含氮量
oxygen n content 血氧含量
soil total N content 土壤氮含量 ; 土壤总氮含量
TVB-N content 挥发性盐基氮含量
soil n content 土壤氮含量
leaf n content 叶氮含量
plant n content 植株氮含量
Acacia tree species increased significantly the content of total N and total C and the increment of topsoil of sandy land was significant.
相思树种明显地增加了沿海沙地土壤中全氮和全碳的含量,且增加的量以沙地土壤的表层最为显著。
The heritability of N content in grain and leaf and N utilization efficiency were high.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
The relationship between the sensitivity of diesel to flow improver and some factors such as n paraffin content and distribution of n paraffin in diesel is studied.
考察了柴油对流动改进剂的感受性与柴油正构烷烃含量、正构烷烃分布等因素的关系。
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