查询词典 RF

In this thesis, an introduction to FELs and high brightness injectors is given and the properties of electron beam for BFEL must have are discussed briefly. Then the author's contributions to BFEL are reported, which contains two main parts, one is theoretical and experimental research of the RF-gun, another is the design and fabrication of the beamlines.

本文简要介绍了自由电子激光器和高亮度注入器的发展，讨论了自由电子激光对束流品质的要求，然后报告了作者在BFEL上所做的工作，主要包括两个部分，其一是微波枪的理论和实验研究，其二是束流输运线的设计和制造。

The code MFEL 1 is applied for short pulse case of, for example, rf linac FELs, FELO is for single mode simulation which can describe the motion in phase space of electrons with energy spread and give some interesting results in short computer running time.

计算表明，在短脉冲情况下，激光强度、品质、增益和能量抽取效率强烈依赖于电子束流强度，对一定范围的能散变化却不敏感；但在长脉冲情况下，上述物理量对能散在同样范围内的变化较为敏感。

Please stop spreading FUD about the brain tumor and RF issues.

请停止蔓延fud关于脑肿瘤和RF问题。

No randomized sham-controlled trials on the value of RF treatment of the Gasserian ganglion for the management of idiopathic trigeminal neuralgia have been published.

对于原发性三叉神经痛的治疗，还没有关于RF治疗Gasserian神经节价值的随机、假对照试验被公布。

In these cases,two cases associated with central herniation of intervertebral discs were treated with bilateral hemilaminectomy,removal of the herniation,and RF system.

对其中2例伴有椎间盘中央型突出的病人，采用&桥式潜行减压&，行双侧半椎板切除术。

In these cases,two cases associated with central herniation of interˉvertebral discs were treated with bilateral hemilaminectomy,removal of the herniation,and RF system.

对其中2例伴有椎间盘中央型突出的病人，采用&桥式潜行减压&，行双侧半椎板切除术。

Security Indolence Non-invasive and non-ablative RF with particular epidermis cooling system, which can make the epidermis to 1-5℃. No need hocus, no need convalescence, no influence for client's life.

优势聚焦 Advantage ◆安全无痛-非侵入、非手术性拉皮术，独有的表皮冷却系统，可预先将表皮冷却到1-5℃，无需麻醉，无需恢复期，不影响治疗者的正常生活作息。

Relaxation of homonuclear system with RF irradiation.

射频场照射下同核体系的弛豫。

According to WBR theory and the character of homonuclear system,the relaxation equations of homonuclear system with RF irradiation are deduced by means of the three-dimensional Wigner rotation matrix.

根据WBR理论和同核体系的特点，构造出了一个相应的三维转动，利用Wigner旋转矩阵的特性并借助于计算机代数语言，计算出了射频场照射下同核体系完整的弛豫方程组。

Finally,the following conclusions are gained.(1)The RF irradiation has effect on the relaxation course in a homonuclear system to some extent.(2)The...

研究结果表明：1射频场的照射对同核体系的弛豫有一定程度的影响。2 在射频场的照射下，同核体系的纵向弛豫时间T1 小于无射频场时的T1 ，而横向弛豫时间T2 大于无射频场时的T2 。3纵向弛豫时间T1 随射频场的增强而逐渐减小，横向弛豫时间T2 随射频场的增强而逐渐增大。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。