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- Beijing Spectrometer (BES) is an experimental facility of high energy physics on Beijing Electron Positron Collider (BEPC) . 北京譜儀是北京正負電子對撞機上的高能物理實驗裝置。
- This paper describes the possible radiation sources and their characteristics around 3W1 beamline of Beijing Electron Positron Collider (BEPC). 介紹了北京正負電子對撞機同步輻射實驗西廳3W1光束線周圍輻射的來源和特點、輻射測量方法及測量結果。
- proton electron positron colliding beams 質子 電子 正電子碰撞束
- large electron positron storage ring 大型電子正電子對撞機
- Beijing electron positron collider(BEPC) 北京正負電子對撞機
- Beam-beam deflection effect in Beijing electron positron collider 北京正負電子對撞機中的束束作用偏轉效應
- An electron with a negative charge, as contrasted with a positron. 電子帶有負電荷,與正電荷相反的電子
- To participate in annihilation, as do an electron and a positron. 湮滅,湮沒湮滅,如電子與正電子
- The transmitter was pulsed by an electron tube. 電子管使發射器產生脈衝波。
- THE EXACT SOLUTION OF DIRAC EQUATION UNDER A CONSTANT UNIFORM ELECTRIC FIELD AND THE ELECTRON POSITRON PAIR CREATION RATE IN VACUUM 均勻電場中Dirac方程的嚴格解和真空中正負電子對的產生率
- To participate in annihilation,as do an electron and a positron. 湮滅,湮沒湮滅,如電子與正電子
- An electron with a negative charge,as contrasted with a positron. 電子帶有負電荷,與正電荷相反的電子
- This creates, as it were, electron and positron shadows. 這樣也就有了電子和正電子的陰影。
- An electron tube having a cathode and an anode. 電子二極體有一個陽極和一個陰極的電子管
- Positron is how it was detected by ? 正電子是如何被檢測出來的呢?
- The number of electron pairs an atom can share with other atoms. 共用電子對數,共價一個原子與其他原子共用的電子的對數
- The result is that the electron shadow and the positron shadow are separated. 結果將使得電子的陰影和正電子的陰影被分開。
- The antielectron, or positron, was discovered in 1932. 反電子或正電子,是在1932年被發現。
- electron positron collision 電子正電子碰撞
- Attempts to split an electron always fail. 企圖分裂電子的嘗試總是失敗的。