例句與造句

1. Emission characteristics of newly developed barium tungsten cathode
   新型鋇鎢陰極的發(fā)射性能研究
2. Performance studies of a new style compacted barium - tungsten cathode
   新型壓制鋇鎢陰極性能的研究
3. Hottest spot analysis of tungsten cathode
   鎢絲陰極最熱點分析
4. The cathodes both of the prepared tungsten - based barium - tungsten cathode and mixed metal barium - tungsten cathode have , not only high current density , but also a long life , simplified procedure and stable performance , and so on . and we made certain two good additives cr2o3 and ni2o3 that make the cathode performance more excellent
   2 )對不同元素配比的二元和三元混合陰極基底的制備工藝和發(fā)射性能開展了實驗研究，在增大發(fā)射能力，延長壽命和降低燒結溫度等方面有重要進展，取得了有價值的階段成果。
5. It's difficult to find tungsten cathode in a sentence. 用tungsten cathode造句挺難的