positron-electron 中文意思是什麼

positron-electron 解釋
正負電子
  • positron : n. 【物理學】正子，陽電子，正電子。
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子（學）說。
  1. The electron, for example, has negative charge, whilst its antiparticle, called the positron, has positive charge

    舉例說明，比如電子帶負電荷，同時，它的反粒子被稱作正電子?帶有正電荷。
  2. 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
  3. Large electron - positron collider petra

    大規模電子-正子碰撞器
  4. The electron-positron pair may survive without recombining.

    電子-正電子偶可以存在下來而不再復合。
  5. After an immeasurably short time interval, the electron-positron pair recombine.

    電子正電子偶經過一個不可測量的短暫時間間隔后就重新復合。
  6. After an immeasurably short time interval, the electron - positron pair recombine

    電子?正電子偶經過一個不可測量的短暫時間間隔后就重新復合。
  7. Bes ( beijing spectrometer ) is a large - scale particle detector which is going to run on the upgraded beijing electron positron collider ( bepc )

    北京譜儀（ beijingspectrometer ， bes ）是即將運行在改進后的北京正負電子對撞機（ beijingelectronpositroncollider ， bepc ）上的大型粒子探測裝置。
  8. The hamamatsu r5924 photomultiplier tube of mesh type will be used for the time - of - flight counter of the beijing electron - positron spectrometer ( bes )

    摘要北京譜儀中的飛行時間探測器將採用濱松公司生產的細網型光電倍增管r5924 。
  9. The basic idea of positron imaging is injected chemical compounds labeled with positron - emitting nuclides into a body, then the distribution of the nuclides from the annihilation of positron and electron can be measured

    可見，正電子成像系統的相關研究可由兩部分組成：成像裝置的研究、圖像重建的研究。本論文正是針對這兩個方面。
  10. In czochralski silicon crystals ( czsi ) through fast neutron irradiation, formation and conversion of defects were investigated using fourier transform infrared spectroscopy ( ftir ), positron annihilation technology ( pat ) and scanning electron microscope ( sem ). the results showed that fast neutron irradiation induced large quantity of metastable defects which can be the capture centers of positron, positron annihilation average lifetime of samples increased with increasing of irradiation dosage. positron annihilation average lifetime of irradiation samples through dosage up to 1 1018 n. cm - 2 tended to constant

    本文對直拉硅樣品進行了不同劑量的快中子輻照，在硅中引入大量的亞穩態缺陷，研究這些亞穩態缺陷的形成，並在較寬的溫度范圍內對輻照樣品進行了退火處理，研究退火后亞穩態缺陷的轉化及同硅中氧的相互作用，應用傅立葉變換紅外光譜技術（ ftir ） 、正電子湮沒技術（ pat ）和掃描電鏡（ sem ）進行了測試。
  11. 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
  12. Electron - positron collider

    正負電子對撞機
  13. The engineering of the electron - positron collider that we have completed also ranks among the world ' s most advanced technologies

    我們的正負電子對撞機工程在全世界也是居於前列的。
  14. Bes is a general - purpose detector located in the interaction region at the southern end of the bepc storage ring, where the electron and positron beams collide

    這組常數將被用在探測器徑跡重建的過程中，將電子學脈沖轉換到z向位置信息。
  15. The aim of bepcii ( the beijing electron - positron collider ) will be an upgrading scheme from bepc. it uses mcu to be embeded in power supply. this thesis concerns system programs " development. it includes the configuration of bsp etc

    本設計涉及到vxworks下rs485底層驅動程序的開發和bsp的配置、單片機程序的開發以及板子的設計等等。
  16. Secondly, the beam orbit offset effects caused by the initial beam offset and the linac components " offsets have been quantitatively studied first. as an example with the injector linac for beijing electron positron collider upgrading project ( bepcii ), the beam orbit offset caused by the above error effects have been simulated and analyzed

    其次定量研究束流的初始徑向誤差和加速器部件的安裝誤差等對束流軌道偏軸的影響，並以北京正負電子對撞機二期工程（ bepc ）的直線加速器為例，給出了上述各種誤差導致軌道偏軸的模擬計算結果及其分析。
  17. For example, the mass of an electron is really a coupling between a left handed electron and a right handed electron, which is the antiparticle of a left handed positron

    它們與其他費米子不同處在於它們沒有一種叫「色」的性質，所以它們的作用力（弱力、電磁力）會隨距離增加變得越來越弱。
分享友人
分享到 Line

分享到臉書