P had more important effects on corn qualities than K. Compared with CK, long-term N-applying only could improve the corn nutrition, but decrease the flour ash content and starch viscosity.

长期单施氮肥较不施肥的对照（CK）玉米籽粒营养品质有一定的改善，但籽粒粗脂肪含量和淀粉粘度有不同程度的下降。

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Results showed that long term application of NPK fertilizers or manure could increase soil biomass-N, especially the effect of manure on biomass-N was obvious.

结果表明，长期施用有机肥或化肥均能增加土壤生物量氮数量，尤以有机肥的作用明显。

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Objective to investigate the role of peripheral N-methyl-D-aspartate (NMDA) receptors in the long-term hyperalgesia induced by peripheral injection of formalin in rats.

目的观察外周n -甲基- D -天门冬氨酸(NMDA)受体对福尔·马林外周注射所致长时程痛敏的作用。

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She recently broke up with her long-term boyfriend, N'Sync singer Justin Timberlake, and at the same time has had to cope with her parents separating.

BBC: Spears to take sabbatical

Next to go should be the idea that "nation-building" (whether in Haiti, Somalia, Rwanda, Sudan or Bosnia) can be conducted by the U.N. on any basis other than the long-term commitment of substantial quantities of well-armed forces capable of imposing and carrying out a form of multilateral colonialism.

CENTERFORSECURITYPOLICY: Center For Security Policy