qwr

However , it is very difficult to get uniform niobium films by sputtering because the inner surface of the QWR is complicated .

但是，四分之一波长谐振腔的内表面复杂，溅射均匀的铌膜比较困难。

Design and Analysis of the Cryogenic System for QWR Superconducting Cavity

串列加速器QWR超导腔低温系统的设计分析

The best choice of the acceleration cavity for heavy ion superconducting accelerator is quarter wave resonator ( QWR ) .

用于重离子超导加速器的低β加速腔的最佳选择是四分之一波长谐振腔（QWR）。

As an example , QWR superconducting cavity characterized with high mechanical stability and wide TTF range is used widely in low energy accelerating structure .

QWR超导腔作为超导技术在低能加速结构上的运用，具有机械稳定度高，TTF范围宽等特点。

In order to design the niobium sputtered superconducting cavity used in HI-13 tandem upgrade project , RF performance and mechanical frequency of QWR cavity is analyzed by numerical simulation .

为设计HI-13串列加速器升级工程中的QWR铜铌溅射超导腔，利用电磁场计算软件和力学结构计算软件分析了QWR腔的高频特性和机械振动频率。

In this paper , high performances are reviewed of semiconductor quan - tum wire ( QWR ) lasers with extremely low threshold currents ( in the μ A range ), considerably high modulation bandwidth and narrow spectral linewidth and low temperature sensitivity .

本文评述了极低闽值电流（在微安范围内）、较高调制带宽、较窄谱线宽和低的温度灵敏度的半导体量子线（QWR）激光器的优异性能。