正電子 的英文怎麼說

中文拼音 [zhēngdiànzi]
正電子 英文
positive electron;antielectron;positron
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 電子 : [物理學] [電學] electron
  1. We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays

    我們已經展示了人工放射現象的可能性，這種放射現象的特徵是用以射線轟擊用咄硼和鎂中的正電子或負電子。
  2. A slot in the structure of theoretical physics was ready and waiting for the position when anderson discovered it in 1932.

    安德森在1932年發現正電子時，在理論物理結構中已經準備好虛位等待正電子。
  3. 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
  4. Pal positron annihilation life time

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

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

    反電子或正電子，是在1932年被發現。
  7. And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions

    最後，我們利用liga技術加工的獨特優點，以發展其高深寬比技術的實際應用，先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質，還結合利用liga技術和微細電火花技術的加工優點，製作出了不銹鋼微結構
  8. Electrons and protons are forms of ordinary matter, but positrons are antimatter particles

    電子和質子構成了普通物質，但正電子是反物質粒子。
  9. 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 ） 。
  10. 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。
  11. Positrons and antiprotons can individually be stored in a device called a penning trap, which uses a combination of magnetic and electric fields to hold charged particles in a vacuum

    正電子和反質子能單獨地被儲存在一個稱作環形線圈裝置中，藉助磁場和電場的一個聯合作用儲存真空收集來的粒子。
  12. 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） 。
  13. 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。
  14. 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。
  15. 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
  16. Positron lifetime study of defects in undoped si - inp

    中缺陷的正電子壽命研究
  17. Study of positron lifetime spectrum in zno varistor doped with tio

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

    方法利用正電子發射斷層攝影技術
  19. 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。
  20. 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。
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