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- Based on vacuum tube slight variation equivalent circuit analysis, four kinds of output circuits used in vacuum tube headphone amplifier generally are analyzed. 摘要以電子管微變等效電路分析為基礎，分析了在電子管耳機放大器中常用的4種輸出級電路。
- Ternary boride based cermet cladding material was prepared by in situ reaction and liquid phase sintering technology in vacuum furnace. 在真空燒結爐中通過(guò)原位反應液相燒結工藝制備出三元硼化物基金屬陶瓷覆層。
- Battery used to maintain the grid potential in a vacuum tube. 能夠保持潛藏在真空管內的柵格的電池。
- Technology in Vacuum Casting for Heat Resis-tance Alloy Vane 高溫合金葉片的真空精鑄工藝
- V: Gauge is scaled in vacuum value only. 用于真空表刻度。
- Cr or Cr - Ti alloy was used in vacuum evaporation. 以金屬鉻和鉻鈦合金進(jìn)行真空蒸鍍。
- Diangong Heat tube Vacuum tube heat collector. 電工太陽(yáng)能熱管真空管集熱器.
- Diangong Solar vacuum tube heat collector. 電工太陽(yáng)能真空管集熱器.
- Not any air gets into the vacuum tube. 沒(méi)有空氣能進(jìn)入真空管。
- A Study of Hollow Cathode Arc Welding Technology in Vacuum and Equipment 真空空心陰極電弧焊接設備和工藝研究
- John Ambrose Fleming invents the vacuum tube. 1904年的今天，約翰·安布魯斯·弗萊明發(fā)明了真空管。
- Computer technology in all its phases from hardware to software have become less expensive. 電腦技術(shù)從硬體到軟體的各個(gè)方面都變得較為便宜了。
- An electron tube or a vacuum tube. 電子管或真空管。
- Application of Coal Blending Technology in C.P.P. 摻配技術(shù)在選煤廠(chǎng)中的應用。
- Lee de Forest invents the vacuum tube. 李.;德福雷斯特發(fā)明電子管。
- Computer Music Technology in Practice II. 電腦音樂(lè )技術(shù)與實(shí)踐2。
- Application of Green Technology in Silk. 綠色新技術(shù)在絲綢上的應用。
- Application of WEB Technology in El. WEB技術(shù)在電力生產(chǎn)中的應用。
- Massachusetts institute of technology in the u. S. 美國的麻省理工學(xué)院。
- No.overflow,freezing steam and lether solid remains in vacuum room. 真空腔內不會(huì )遺留冷凝蒸氣及皮張固體殘留物；
