燈絲式陰極 的英文怎麼說

中文拼音 [dēngshìyīn]
燈絲式陰極 英文
filament-type cathode
  • : 名詞1. (照明等用的發光器具) lamp; lantern; light 2. (燃燒液體或氣體用來對別的東西加熱的器具) burner 3. (俗稱電子管) valve; tube
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ名詞1 (中國古代哲學認為宇宙中通貫物質和人事的兩大對立面之一) (in chinese philosophy medicine ...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  1. However, the most commonly used x - ray sources didn " t change much no matter in structure or theory, still using thermionic cathodes as electron sources. such conventional x - ray tubes have some defaults, such as big volume, low frequency response, demanding for supply to cathode that was also brittle

    目前使用的x光源的基本特點是採用熱電子發射形即採用熱作為電子發射源,在高壓加速下轟擊陽產生x射線,這樣的光源體積較大,需要加熱的電源,且對頻率響應慢。
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