F layer

[ef ˈleiə]
  • F layer
  • n.

    电离层,(电)电离层;

纠错 数据更新时间:2025-11-14 08:40:54
  • 近义词
1、

The distribution characteristic of auroral electrojet in AZS, is helpful for the studies of F layer and magnetosphere coupling in polar region and aurora dynamics.

了解了极光电集流在南极中山站的分布特征,有利于极区电离层和磁层耦合及极光动力学的研究。

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2、

Quantitative evaluation of defect according to infrared nondestructive testing principle and quality testing of solder layer of F-4 power transistor package are described. Computer processing results of infrared thermal images are also given.

根据红外无损检测原理,提出了缺陷的定量检测方法,并探讨了F-4型半导体功率管管壳焊料烧结质量的检测方法,最后给出了热图象的计算机处理结果。

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3、

The carrier injection process of polymer light-emitting diodes ( PLEDs) with MEH-PPV ( poly [ 2-methoxy, 5-( 2-ethylhexoxy)-1,4-phenylene vinylene]) as the light-emitting layer, was investigated using impedance spectroscopy, capacitance-voltage ( C-V) and capacitance-frequency ( C-F) techniques.

采用交流阻抗谱,电容-电压,电容-频率等实验方法,研究了共轭高分子MEH-PPV(poly[2-methoxy,5-(2-ethylhexoxy)-1,4-phenylene vinylene])发光二极管的载流子注入过程。

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4、

A phage-resistant aureomycin producing strain Fs-48-14 was derived from strain F-303 by using treatments of UV+ EMS and double layer method of lysine-tolerating marker.

本文以金霉素产生菌F-303作为出发菌株,通过UV+EMS复合处理,双层法不同梯度耐赖氨酸作标记,进行抗噬菌体的金霉素菌株选育,获得Fs-48-14菌株。

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5、

After oxidized at 1 500 ℃, MAC-F had the obviously lower mass increasing rate than MAC-S, and the oxidized layer was very thin ( only 0.5 mm).

1500℃氧化后,材料MAC-F质量增加率明显低于材料MAC-S的,氧化层很薄,厚度仅0.5mm。

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