Storage N used by shoots and leaves in spring mainly came from non-protein N in root.
春季新梢和叶片生长所用的贮藏N主要来源于根中的非蛋白态N。
By field located experiment in semi-aired areas of loess plateau for successive 4 years with spring wheat, effects of N fertilizer and residual effect of N fertilizer on spring wheat was studied .
通过在黄土高原半干旱地区施用不同用量氮肥的田间定位试验，对春小麦四年连作条件下氮肥肥效和后效进行研究。
In addition to the Yale program, which could take several years, he is on track to earn a master's degree in film from New York University this spring. " it's a full-time program, "an n.
除了可能要花上数年的耶鲁的学习计划，他还正努力在今年春天获得纽约大学的电影硕士学位。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
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