,Research on the comprehensive performance of PrFeB magnets for synchrotron radiation and free elect

来源 :核技术(英文版) | 被引量 : 0次 | 上传用户:chencr33
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
PrFeB magnets, which possess excellent mag-netic properties at low temperatures, have important application value as cryogenic permanent magnet undula-tors for synchrotron radiation sources and free electron lasers. In this research study, several high-performance PrFeB magnets (P42H, P48SH, and P48UH) were pre-pared, and their performance was comprehensively exam-ined, including evaluations of their magnetic properties, microstructures, uniformity, and stability. Next, their application prospects were analyzed and discussed. In China, the first cryogenic permanent magnet undulators (CPMUs) with P48SH magnets with 18 mm cycle lengths have been developed. When the temperature is 80 K and the gap is 6.0 mm, the magnetic field measurement results of the CPMU showed that the effective magnetic field peak was approximately 0.92 T, yielding an increase of 11.76% relative to operation at 300 K, with an RMS phase error of about 4.99°.
其他文献
目的:探究联合用药治疗急性脑血栓35例临床疗效观察核心思路.方法:回顾性分析2017年6月-2019年6月期间联合用药治疗的急性脑血栓患者35例的临床资料、用药方案、临床疗效.结
课堂教学是传授知识的主要方式,因此上好课,充分利用45分钟便成为每个教师特别重视并认真思考的问题.其中如何激发学生的必趣更是教学成功的关键问题.心理学家布鲁纳强调指出
目的:探究舒适护理在皮肤激光美容治疗中的应用效果. 方法:选取本院收治的皮肤激光美容治疗患者80例作为研究对象,纳入时间自2019年1月~2019年12月.根据护理内容不同分组为对
Muon scattering tomography is believed to be a promising technique for cargo container inspection, owing to the ability of natural muons to penetrate into dense
The silicon photomultiplier (SiPM) with epi-taxial quenching resistor (EQR) is an emerging and developing technology that has recently attracted the interest fr
短跑既是一个达标项目,也是竞技体育中富有竞争性的项目.它的特点是距离短,强度大,心理和生理负荷重.中学生正处在快速生长发育期,如果训练方法不科学就会对他们身心健康造成
自卑心理是中学生中常见的一种心理状态,是由于外部各种环境与自身反应的不平衡而产生的一种心理疾病.因学习困难、成绩落后而产生自卑心理的学生,如不能克服这种心理障碍、
目的:研究六安煎加减配合中药熏蒸治疗小儿急性支气管炎临床效果.方法:将我院门诊就诊的60例小儿支气管炎患者随机均分为观察组和对照组,对照组患儿进行常规西药对症治疗,观
“质疑探究式”教学模式在这几年的地理教学实践中,对于我的地理教学有很大的指导意义,大大提高了自身的教育教学等专业水平,让我受益匪浅.同时,随着素质教育的推进、新课程
思想品德课程标准中有这样的教学建议:“在教学中积极引导学生自主学习,主动探索社会现实与自我成长的问题,通过调查、讨论、访谈等活动,在合作与分享中丰富、扩展自己的经验