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。

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The enhancement of Nb-Si-N films' mechanical properties is relative to the increment of crystal defects.

薄膜力学性能的提高与其晶体缺陷的增加有关。

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There was a significant increment(P<0.05)in BCP production and significant decreases(P<0.05) in NH3-N concentration and NDF content in the culture residue when the FOS addition level was over 0.60%.

当添加量在0.60%以上时，可以显著（P<0.05）提高培养液中的BCP含量，显著（P<0.05）降低培养液中的NH3-N含量和培养残渣中的NDF含量；

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