青年中文positron的意思
positron中文翻譯：
n.[物]正電子，陽電子
deposit slip───n.存款單
accusative preposition───賓格介詞
unfilled position───空缺職位
positive signs───n.（數）正號，加號（同plussign）
dominant position───支配地位；優勢
brevet position───信息位置
chromite chemical composition───鉻礦化學成分
prepositions or adverbs───介詞或副詞
depositories meaning───受托人含義
transposition cipher───移位密碼，錯位密碼；轉置密碼
was a very difficult first step to accept the positron.───接受正電子是艱難的第一步。
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。
Positron emission tomography (PET) is an emerging modality in lung cancer staging.───正電子放射斷層造影術(PET)是新興的適用于肺癌分期的檢查方法。
So, the antiparticle of the normal electron is called the positron, as it has a positive charge, but the same mass as the electron.───這樣，正常電子的反粒子叫做正（陽）電子，如同它有一個陽電荷一樣，但是與電子的質量一樣。
Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.───某些伽馬射線在靠近原子核的附近經過，進入到轉化為個電子和正電子的過程，研究人員說。
For instance, the antimatter opposite of an electron, known as a positron, is positively charged.───例如，電子的反物質就是帶正電的質子。
Total cross sections for positron scattering on potassium were calculated at low energies by means of the coupled channels-optical method.───應用耦合通道光學勢方法計算低能正電子同鉀原子碰撞的總散射截面。
Next the antiatoms encounter a strong electric field that strips apart the antiproton and positron of the weakly bound antiatoms .───接著，反原子會遇到一個強電場，把束縛松散的反原子里的反質子及正子給拆開。
It was only in 1932, when the electron's antimatter sibling, the positron, was sighted in cosmic rays that such a thing was found to exist.───只有當1932年與電子相反的兄弟，正電子，在宇宙射線中被發現的時候，才證明這種物質的確存在。
Positron emission tomography imaging was performed to measure specific microvascular blood flow at rest and during pharmacological vasodilation by IV dipyridamole.
Positron emission tomography ( PET ) is a non - invasive method to detect the distribution of radionuclide in vivo.
The positron is an antielectron.
When an electron collides with a positron the two particles disappear, or annihilate, to create a high-energy photon.
The Positron lifetime spectra of unannealed and annealed Ni-coats, electro-plated from the four typical baths, have been measured.
This was confirmed by the positron annihilation technique.
The Harvard group use positron emission tomography ( PET ) scans to monitor the brain activity.
The antielectron, or positron, was discovered in 1932.
The electron - positron pair may survive without recombining.