nnf

['en'en'ef]
  • nnf
  • 释义

    [医][=nonnutritive synthetic fiber]无营养合成纤维;

纠错 数据更新时间:2024-12-23 00:06:04
1、

NNF for more than two seasons reduced both winter wheat and summer maize yield significantly.

连续二季和三季不施氮使冬小麦和夏玉米产量都大幅度减产;

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2、

Electron microscope scanning surface morphology and XRD analysis showed that inhibitor NNF reduce the increase in the oxygen, sulfur, to form a continuous dense FeS protection film, preventing corrosion.

电镜扫描表面形貌分析和XRD表明,缓蚀剂NNF使氧元素增加、硫元素减少,能形成连续致密的FeS保护膜,阻碍了腐蚀的发生。

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3、

This paper discusses some issues in nested relational databases, which mainly include the e-valuation on two normal forms PNF and NNF, missing information and the conversion form flat rela-tional schema to nested relational schema.

本文讨论了嵌套关系数据库中的一些问题,主要包括对两种范式PNF和NNF的评价、空值和从平面关系到嵌套关系的转换。

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4、

For radar using purpose, The data algorithms for NNF and the adaptive a-P filtering and prediction based on "CV" model are studied emphatically.

根据实际雷达跟踪要求,对NNF数据关联算法和基于CV运动模型的自适应滤波与预测算法等作了重点研究。

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5、

Lynn Fuchs is a special education professor at Vanderbilt University in Nashville, Tennessee.

田纳西州,纳什维尔范得比特大学的LynnFuchs是一位特殊教育学教授.

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6、

Winter wheat yield was much reduced comparing with that of summer maize under NNF.

不施氮条件下,冬小麦的减产幅度大于夏玉米。

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7、

The yield of winter wheat and summer maize were kept quiet low and steady when NNF was applied for more than 4 seasons.

连续四季以上不施氮使冬小麦和夏玉米产量分别稳定在1693~1807kg/hm2和4575~4782kg/hm2范围的较低水平。

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8、

Polarization curve testing found that the NNF is a hybrid inhibit, adsorption of membrane-type inhibitor.

极化曲线测试发现,缓蚀剂NNF是一种混合抑制吸附膜型缓蚀剂。

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