查询词典 electron beam

Free electron laser is a novel coherent light source. It has a wide tunable ability, a high output power, and a high quality light beam.

自由电子激光是一种新型相干光源，它的激光频率在很宽的范围连续可调谐，输出功率高，具有良好的光束质量。

The first tandem-implanter-TEM interface system in China, consisting of a 2×1.7 MV tandem accelerator, a 200 kV ion implanter, a H800 transmission electron microscope and the beam transport system, was established recently.

建立了由2×1.7 MV串列加速器、200kV离子注入机、H800型透射电子显微镜和联机传输系统组成的我国第1套串列加速器－离子注入机－透射电子显微镜联机装置。

A new method of obtaining secondary electron yield and secondary Cs〓 ionization probability by detecting target current and primary ion current under Cs〓 bombardment is put forward The dependence of Cs〓 ionization probability on primary ion energy, primary beam current and substrate compositions, as well as the dependence of secondary ion intensity on erosion time during transient period has been studied The mechanisms of secondary ion emission are explained

二、提出了通过测量靶流和一次束流求取Cs〓轰击下二次电子产额和二次Cs〓离化率的方法，实验研究了一次离子能量、束流强度及不同基体对二次Cs〓离化率的影响和瞬态过程中二次离子强度的变化规律，并对发射机理做了解释。

In an electron storage ring, beam electrons ionize the residue gas and generate free ions and electrons.

在电子储存环中，束流电子与残余气体的相互作用使得气体分子被电离成正离子和自由电子。

Display technology whereby a rapidly moving electron gun inside the set passes across the screen, casting a beam that lights selected phosphor dots as it moves.

展示技术凭此一个迅速移动的电子在设备里面的枪掠过萤幕，铸造一根梁当它移动时，那灯选择磷光点。

The polytype of crystolon occuring in the South of LIAO NING diamond deposit has been analyzed and identified with convergent beam electron diffraction.

采用会聚束电子衍射的方法对我国辽南金伯利岩中的碳化硅矿物多型性进行了分析鉴定，通过对其结构的分析以及HOLZ环半径的计算，发现了6H以及4H两种多型。

InNSb alloy films were prepared on GaAs (001) substrates by N2 radio frequency plasma-assisted molecular beam epitaxy, the N composition and micro-structures of the samples were characterized by atom force microscopy, scanning electron microscopy, X-ray diffraction and Raman spectroscopy.

本文利用射频氮等离子辅助分子束外延（RF-MBE技术在GaAs（001）衬底上生长稀氮InNSb半导体薄膜，并通过原子力显微镜、电子扫描显微镜、X射线衍射仪、拉曼散射光谱等测量手段对样品的微结构和氮组分等进行了表征。

The depth of central-axis percent dose Rx (except R100) and practical range, Rp, for small field electron beams can be calculated by the proposed empirical formula: Rx = Rxo ×,where Rxo R po are the broad beam percentage dose depth and practical range respectively; r is the small field cutout side when it is less than the maximum lateral scatter equivalent range, and m is he exponent term relative to the decreasing curvature.

小照野电子射束中心轴百分剂量深度，Rx（R100除外），及穿透深度，Rp，可以用本文提出的经验公式：Rx = Rxo×计算求得，其中Rxo及 Rpo分别为宽射束百分剂量深度及实际穿透深度；r为边长小於最大侧散射等效范围的小照野边长；m值为与下降曲度有关的指数项。

In the present work, the compensation mechanism for secondary electron emission has been investigated for the accurate measurements of high-energy proton beam.

根据高能带电粒子在金属表面诱发二次电子发射理论，对高能质子束流强度测量的二次电子补偿原理进行了研究，设计了二次电子补偿结构。

Accurate measurements of an intense high-energy proton beam are generally disturbed by high energy proton induced secondary electron emission.

高能质子入射到金属接收体表面诱发的二次电子直接影响束流强度的测量精度，如何消除二次电子影响是实现束流高精度测量的关键。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。