positron 中文意思是什麼

positron 解釋
n. 名詞 【物理學】正子，陽電子，正電子。

  1. Study on properties of blended pvc by positron annihilation

    聚氯乙烯共混改性的正電子湮沒研究
  2. Pal positron annihilation life time

    正電子湮沒壽命
  3. The positron is an antielectron.

    正電子就是反電子。
  4. The antielectron, or positron, was discovered in 1932

    反電子或正電子，是在1932年被發現。
  5. Antimatter / matter reactions have practical applications in medical imaging, see positron emission tomography ( pet )

    反物質/物質反應在醫學成像有實際應用，注意正電子放射斷層攝影術（ pet ） 。
  6. 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。
  7. In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron ( in the same event, a proton becomes a neutron, and neutrinos are also given off )

    以某種貝它衰減，一個核素靠發出一個正電子失去剩餘正電荷（在相同的事件中，一個質子變成一個中子，而且也發射微中子） 。
  8. New york ( reuters health ), feb 15 - in infants with congenital hyperinsulinism, positron - emission tomography ( pet ) scans can accurately differentiate between focal and diffuse disease, and pinpoint focal lesions, according to a study published in the february issue of the journal of pediatrics

    紐約（路透社健康專欄） ， 2 . 15 - - -根據發表在兒科雜志二月刊上的一項研究，對于有先天性高胰島素血癥的嬰兒，正電子發射斷層掃描（ pet ）可以準確的區分病灶和彌散性疾病，並且精確地找到局灶性損害位置。
  9. Positron emission tomography is a new generation image test equipment, which works through functional metaboly of tissue to help doctors to make a diagnosis. pet is of great importance to early diagnosis of tumors and the test of pathological changes of organs

    Pet全稱為正電子發射斷層掃描成像系統，是通過組織的功能代謝來診斷疾病的新一代影像檢查設備，對于腫瘤的早期診斷及各器官病變的檢查均有重要意義。
  10. 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
  11. Abstract : positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures. we report recent advances in this area, including studies on the free volume properties, structural transition, miscibility of blending polymers, physical aging, doping of functional polymers, interfacial interaction of multiphase polymers, etc

    文摘:簡要介紹了近年來正電子譜學在聚合物微結構研究中的主要應用及進展.大量實驗事實表明，正電子譜學是表徵高聚物微結構的極靈敏方法
  12. Evaluation of positron emission tomography in spinal surgery

    在脊柱外科中的應用
  13. Positron lifetime study of defects in undoped si - inp

    中缺陷的正電子壽命研究
  14. It stands for positron emission tomography

    它代表正子放射斷層攝影。
  15. Study of positron lifetime spectrum in zno varistor doped with tio

    壓敏電阻正電子壽命譜研究
  16. Positron emission tomograph, pet

    方法利用正電子發射斷層攝影技術
  17. Large electron - positron collider petra

    大規模電子-正子碰撞器
  18. Pet positron emission tomograph positron

    正子發射斷層攝影
  19. The basic electronics of positron imaging systems are composed of the preamplifier, shaper, main amplifier, constant fraction discriminator ( cfd ) and so on

    有用的數據采入計算機后，對其進行相關的處理后進行圖像重建。
  20. 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。
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