Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.
某些伽马射线在靠近原子核的附近经过，进入到转化为个电子和正电子的过程，研究人员说。
Electron beams and X-ray accelerators can both be used to irradiate various shapes and sizes of food, although X-rays are better at penetrating large items.
电子束和X光加速器都可以用来辐照各种不同形状和大小的食品，不过X光穿透大型食品的能力更佳。
Food is irradiated by brief exposure to X-rays, gamma rays or an electron beam.
食品通过短暂地暴露在x射线、γ射线或电子束来进行辐照杀菌。
There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.
没有什么其他的途径，可以让镍晶体发射，单束X光来，继而得到环状图案，如果电子束，是以粒子束形式出现的。
One way to create such short bursts of gamma rays is through the collision — and subsequent annihilation, as the mass of those particles converts into energy — of an electron and a positron.
制造伽马射线短脉冲的一种方法，是电子与正电子的碰撞——之后的湮灭，使粒子的质量转化为能量。
In 1987, friends of Shechtman in France and Japan succeeded in growing crystals large enough for x-rays to repeat and verify what he had discovered with the electron microscope.
1987年，谢赫·特曼的法国和日本同道成功制造出可经X射线观察的准晶体，验证了他早先在电子显微镜下的发现。
That means it lacks sufficient energy, like x-rays and gamma rays, to remove an electron from an atom or a molecule to make a charged particle that can damage DNA and biomolecules.
也就是说，微波辐射与X射线和伽玛射线不同，是不具有足够的能量的，从而不会使原子或分子失去电子而变成带电粒子，造成DNA及其它生命分子的损坏。
Purpose To analyze the influence of lateral electron disequilibrium on the radiation treatment planning for lung cancer when using high energy X rays.
目的：分析高能X射线通过低密度的肺组织时，侧向电子失衡对肺部肿瘤放射治疗计划的影响。
Indeed the use of an electron beam or X-rays FOR irradiation overcomes the need FOR a radioactive source altogether.
用电子束或X -射线进行辐照确实完全解除了对某种放射源的需要。
If the particle were then to decay into an electron and a ground-state dark matter particle, the electron would release gamma rays.
如果该粒子继续衰变为电子和基态的暗物质，该电子将释放伽马射线。
The overall cosmetic results after electron beam therapy are better than those after superficial X rays.
电子束治疗皮肤癌在美容效果方面优于浅层X线。
The traces of the geometrical optics rays in the electron cyclotron frequency range in CT-6 have been obtained numerically.
本文计算了在CT-6托卡马克上进行电子回旋共振加热实验时对应不同窗口、不同入射角的反常波轨迹。
Their structure, morphology and components have been characterized using transmission electron microscope(TEM), X-rays diffraction(XRD), and X-rays photoelectron spectrometer(XPS).
利用透射电镜（TEM）、X射线衍射（XRD）、X射线光电子谱，表征了金纳米粉末的结构、形貌及其化学组分。
One signature of positron-electron annihilation is gamma rays carrying 511 thousand electron-volts (keV) of energy.
电子-正电子湮灭的一个信号就是携带511keV能量的伽玛射线。
The feasibility of the medium standard method is proved to be true not only of the energy spectrometer of X-rays but also of the electron probe. Some experimental facts are rep…
最后指出，中间标样法不但在x射线能谱仪中可以实行，在电子探针中也可以实行，并举例了已有的实验以资证明。
The feasibility of the medium standard method is proved to be true not only of the energy spectrometer of X-rays but also of the electron probe. Some experimental facts are rep…
最后指出，中间标样法不但在x射线能谱仪中可以实行，在电子探针中也可以实行，并举例了已有的实验以资证明。
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