【field_emission_gun】什么意思_英语field_emission_gun的翻译_音标_读音_用法_例句_在线翻译

field emission gun

场发射电子枪

...包括灯丝(阴极)做为电子源和加速电子之阳极，可分为热游离电子枪 (Thermionic Electron Gun)和场发射电子枪 (Field Emission Gun)两种，分别介绍如下：

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场发射枪

（IEEE 标准 100-1988） FIELD EMISSION GUN (场发射枪): 可以从灯丝中抽取或分离电子，带有引出电极的电子枪。

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场发射电子

field emission electron image,场发射电子象 field emission gun,场发射电子* field emission microscope,场发射显微镜 ..

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场发射电子象

场发射电子枪 field emission gun; field-emission gun 场发射电子象 field emission electron image; field emission gun

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短语

field-emission gun 场发射电子枪

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计算机科学技术 | 动力与电气工程

·2,447,543篇论文数据，部分数据来源于NoteExpress

abstract: A field emission gun is a type of electron gun in which a sharply-pointed Müller-type emitter is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at the emitter surface to cause field electron emission. Emitters are either of cold-cathode type, usually made of single crystal tungsten sharpened to a tip radius of about 100 nm, or of the Schottky type, in which thermionic emission is enhanced by barrier lowering in the presence of a high electric field.

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The morphology and crystallography analysis of lath martensite within a packet in 17CrNiMo6 steel was studied by electron backscattering diffraction(EBSD) with field emission gun.

利用电子背散射衍射（EBSD）技术和TEM分析方法研究了17CrNiMo6钢中一个形态上的packet内的板条马氏体的形态与晶体学特征。

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