Thermionic Electron Emission Stability of Mo-La2O3 Cathode

来源 :Journal of Rare Earths | 被引量 : 0次 | 上传用户:web53dns
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The carbonizing process and its influence on the thermionic electron emission properties of Mo-La2O3 cathode materials were investigated. The carbonized temperature, carbonized time and the pressure of C6H6 are key factors of the carbonizing process. The
其他文献
介绍了紫花苜蓿的适时刈割,以及收获后的干燥、贮藏方法。
大名县黄金堤乡一台搞运输的河北一150型拖拉机,排气w严重冒蓝烟,机油消耗过不,发动机工作无力。驾驶员不知所措,不得已送到修理厂修理。经检查,气缸压力正常,供油时间正常,喷油船技
本文从品种选育、八盘育苗、高垄定植、吊蔓盘蔓、整枝打权、疏花疏果、采收、病虫害防治等方面,研究了温室樱桃番茄的关键栽培技术,为生产实践提供了科学的理论依据。
(Y1-a, Gda)3-x(Al1-b, Gab)5O12∶Ce3+x was synthesized by high-temperature solid state reaction in reducing atmosphere based on high purity raw materials. The in
After analyzing the phenomena and processes of hydrogen embrittlement of NdFeB permanent magnets,RF magnetron sputtering was used to fabricate Al thin films and
Rare earth phosphate fertilizer (REPF) as base fertilizer (750 kg per hm2) was applied in the western area of China during the "Tenth Five-Year Plan", and the r
The effects of microamount additions of RE(Tb,Sm) on martensitic transition,the magnetic-field-induced strain and the bending strength of highly textured polycr
Based on the study of REE in Mesozoic-Cenozoic sandstones, the paper indicates that Jurassic Fanghushan and Yuantongshan Formations and Lower Cretaceous Zhougon