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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Percutaneous trans-apex intra-septal radiofrequency ablation of hypertrophic cardiomyopathy 期刊论文 MINIMALLY INVASIVE THERAPY & ALLIED TECHNOLOGIES, 2018, 卷号: 27, 期号: 2 作者:  Zuo, Lei;  Sun, Chao;  Yang, Jian;  Liu, Bing;  Zhou, Mengyao 收藏  |  浏览/下载：9/0  |  提交时间：2019/12/05 Intra-septal  trans-apex  radiofrequency ablation  echocardiographically guided  hypertrophic obstructive cardiomyopathy   Optimization of the two parameters of classical blaze grating in Littrow mount (EI CONFERENCE) 会议论文 2nd International Conference on Advanced Engineering Materials and Technology, AEMT 2012, July 6, 2012 - July 8, 2012, Zhuhai, China Zhang S.; Ying J. 收藏  |  浏览/下载：22/0  |  提交时间：2013/03/25 On the base of electromagnetic theory of gratings  we analyse the effects of both of two important parameters of classical blaze grating in Littrow mount to diffraction efficiency  and the two parameters are optimized for obtaining highest diffraction efficiency. It is presented that not only blaze angle but apex angle affect diffraction efficiency. The investigation has been performed on the design and fabrication of classical blaze grating which has high diffraction efficiency. (2012) Trans Tech Publications  Switzerland.   Study on field emission characteristics of normal-gated and under-gated carbon nanotube cold cathode 会议论文 作者:  Wang Qing;  Dang Wen-qiang;  Mu Xiao-wen;  Dai Jian-feng;  Li Wei-xue 收藏  |  浏览/下载：5/0  |  提交时间：2019/11/15 Field emission  Normal-gate type triode structure  Under-gate type triode structure  Carbon nanotubes   On the theoretical model for radar absorbing property of SiC 会议论文 HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 3rd China International Conference on High-Performance Ceramics (CICC-3), Shenzhen, PEOPLES R CHINA, Web of Science, INSPEC Tong, XG; Yang, XZ; Li, JB; Sun, GL 收藏  |  浏览/下载：3/0