射线是在高能电子击中固体靶时产生的。
X-rays were produced when energetic electrons hit a solid object.
在低密度情况下出现高能电子区和逃逸区。
In the case of very low electron density, the energetic electron region and the runaway region emerge.
宇宙射线和X射线因其电离作用产生高能电子。
Cosmic rays and X-rays produce energetic electrons by ionization.
宇宙射线和x射线因其电离作用产生高能电子。
Cosmic rays and X - rays produce energetic electrons by ionization.
应用高能电子来直接放大激光的条件,从理论上进行了深入分析。
Conditions for direct amplification of laser light by high energy e-beams are analysed theoretically in depth.
一个穿入金属原子的高能电子可以逐出该金属原子的一个内层电子。
A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.
通常,利用调制反射法测量高能电子直线加速器波导网络的相长度。
Modulated reflection method is used in general for measuring phase lengths of waveguide net-work in construction of electron linear accelerators.
接着这些高能电子与产生的氧等离子体和臭氧将二氧化硫分子氧化。
Secondly molecules of sulfur dioxide are oxidized into sulfur trioxide by those particles, which are including ozone and oxygen plasma.
对于典型的外辐射带高能电子能谱情况,介质的充电时间为小时量级。
For the typical high energy electron spectrum in outer radiation belt, the charging time for dielectrics is of the order of an hour.
研究了高能电子、高能质子辐照对红外熔石英性质、光学面形的影响。
Radiation effects of high energy electrons and protons on properties, optical surface figure of infrared fused silica were studied.
高能电子直线加速器隧道内的灰尘会通过光核反应、中子核反应而被活化。
The dust in the high-energy electron linac tunnel may be activated via photonuclear reaction and neutron nuclear reaction.
结合红外光吸收谱的测量结果,分析了高能电子辐照对硅单晶性能的影响。
The effects of high-energy electron irradiation on the properties of silicon are studied by photo- voltage and infrared absorption spectra.
在低输入电压范围内,电场加速低能电子成为高能电子的过程为反应控制步骤。
In range of low input voltage, the step of accelerating a low energy electron to a high energy electron with electric field is rate controlling of the discharge chemical reaction of co and H_2.
结果表明,高能电子径向扩散将使驱动电流分布变平和展宽,同时驱动电流减小。
It is shown that the radial diffusion of fast electrons leads both to a broadening of the driven current profile and to a reduction of the total driven current.
结论GR- 200a热释光探测器在医用高能电子线剂量测量中有一定的实用价值。
Conclusion the practical value of GR-200A thermoluminescence detector is embodied in measurement of medical high energy electronic dose.
通过反射高能电子衍射(RHEED)仪原位实时监测薄膜生长,研究薄膜的生长过程。
The growth process of the films was in situ monitored by reflective high energy electron diffraction (RHEED).
用高能电子束作泵浦源,去激励半导体晶体屏,可以产生激光,实现高亮度高清晰显示。
Useing high energy electron beam as pumping source to excite semiconductor crystal screen laser could be generated. It can realize high brightness and high resolution display.
但在这之前,贯穿内部辐射带的卫星将处于危险之中,其内部零部件有可能受到零散高能电子的撞击。
Until that happens, though, satellites traversing the inner belt would be in danger of having their innards zapped by stray, high-energy electrons.
太阳日冕中存在较强的磁场和大量的高能电子,在磁场中极端相对论电子将产生同步加速辐射。
There exists strong magnetic field and abundant energetic particles in active coronal region, in magnetic field the extremely relativistic electrons will produce synchrotron radiation.
本文提出了在高能电子衍射实验中,当加速电压改变时利用菊池图测量电子波长变化值的方法。
The method to test the variations of the wavelength of electrons using Kikuchi maps when the accelerating voltage is changed in the HEED experiment is put forward.
主要结果是:①高能电子在高功率激光场中运动是一保守场运动,由此得到同位相耦合的条件;
The major results are:(1)the movement of high energy electrons in a powerful laser field is a conservative field movement, thus the condition for in-phase coupling is obtained;
研究了以EVA共聚物为基础,采用等离子体和高能电子束辐照接枝丙烯酸类单体样品的阻燃性能。
An attempt has been made in the paper aiming at imparting flame retardancy to EVA copolymer by grafting acrylic monomers induced by plasma and electron-beam preirradiation.
本文是在考虑了呈高斯分布的激光脉冲的基础上,从电子分布函数着手研究了高能电子的产生和分布情况。
We take advantage of electron distribution function to discuss the production and distribution of hot electrons, taking account of Gaussian laser pulse.
而预等离子体通道的引入,使得加速距离可大大加长,目前已经可以在厘米尺度内获得吉电子伏特的高能电子。
Based on the preformed plasma channel, the interaction length is lengthened to the centimeter scale and GeV e-beams can be obtained.
详细研究了高能电子产生的回旋同步辐射自吸收的特性,并用磁偶极子场的射电微波源模型计算了它的光学厚度。
The characteristics of the self absorption of gyrosynchrotron emission arc-investigated detail and its optical depth is estimated from radio microwave source with a magnetic dipole field.
首先使用程序包EGS4 ,对高能电子在介质中的电磁级联过程进行了模拟,优化了靶厚度,讨论了影响打靶产额的因素。
We use EGS4 code to simulate the electron-gamma shower of high-energy electrons in a medium, optimize target thickness, and analyze positron distributions in phase space.
高能电子和正电子从一个内部的X射线环中向外运动,在不同形式的物质中标记出了一个冲击波,产生了一个膨胀的X射线光。
Energetic electrons and positrons (antielectrons) move out from an inner X-ray ring, which marks a shockwave between different forms of matter, to produce an extended X-ray glow.
范-艾伦描述了地球是任何被高能粒子带(主要是质子和电子)包围着,地球用磁场拉住它们。今天,这些辐射带被称为范-艾伦带。
Van Allen described how the Earth is surrounded by belts of high-energy particles — mainly protons and electrons — that are held in place by the magnetic fields.
利用类似设计原则,将来可以制造出强力对抗电子噪声和不可靠电子元件、同时保持高能效的电路。
Circuits built with similar design principles in the future can be made robust to electronic noise and unreliable electronic components while remaining highly energy efficient.
氢原子被高能的恒星光离子化之后,在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。
Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.
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