thermionic emission中文什么意思

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The liberation of electrons from a hot wire is called thermionic emission .
電子從熱燈絲逸出，叫做熱電子發(fā)射。
This project which is based on the demand of increasing the electron tube ’ s qualities totally and reducing the manufacture cost has done a large amount of investigative work as follows to improve and perfect the technologies for the important part of electron tube manufacture ? the grid surface processing : on the surface processing of the molybdenum grid , the primary purpose is to reduce thermionic emission and secondary electronic emission of the grid . by the constantly experiment and grabbling the different technology routes , we have successfully developed these new technologies on the tac and zrc electrophoresis and electroplating platinum black of the grid , and made its surface cladding quality very stable and reliable
本課題是基于整體提高電子管的質(zhì)量和降低生產(chǎn)成本的要求,對電子管生產(chǎn)中的重要部分? ?柵極的表面處理技術(shù)進行改進和完善,主要在以下方面進行了深入研究:在鉬柵極表面處理方面,主要為實現(xiàn)降低柵極的熱電子發(fā)射和二次電子發(fā)射,通過不同工藝路線的不斷試驗和摸索,成功開發(fā)出柵極電泳tac 、 zrc和電鍍鉑黑的新工藝,使柵極的涂覆質(zhì)量穩(wěn)定可靠。