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检索条件："关键词=cavity "
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Microwave interrogation cavity for the rubidium space cold atom clock被引量：3
《Chinese Physics B》2016年第6期137-143,共7页任伟 高源慈 李唐 吕德胜 刘亮 
Project supported by the National Natural Science Foundation of China(Grant No.11034008);the Fund from the Ministry of Science and Technology of China(Grant No.2013YQ09094304);the Youth Innovation Promotion Association,Chinese Academy of Sciences
The performance of space cold atom clocks（SCACs） should be improved thanks to the microgravity environment in space.The microwave interrogation cavity is a key element in a SCAC.In this paper,we develop a microwave ...
关键词：interrogation cavity microwave interaction PHASE quality factor 
Great progress in developing 500 MHz single cell superconducting cavity in China被引量：4
《Science China(Physics,Mechanics & Astronomy)》2011年第S2期169-173,共5页LIU JianFei HOU HongTao MAO DongQing FENG ZiQiang MA ZhenYu LUO Chen ZHAO ShenJie ZHAO YuBin YU HaiBo YIN Bo ZHANG ZhiGang ZHENG Xiang LI Zheng 
Superconducting cavities have been adopted in many kinds of accelerator facilities such as synchrotron radiation light source, hard X-ray free electron laser linac, colliders and energy recovery linacs (ERL). The 500 ...
关键词：SUPERCONDUCTING CAVITY DEEP-DRAWING electron beam WELDING surface processing vertical test accelerating performance 
Entangling Mesoscopic Squeezed Vacuum States and Mesoscopic Coherent States in Dissipative Cavity QED System
《Communications in Theoretical Physics》2008年第3期625-628,共4页CHEN Chang-Yong LI Shao-Hua 
supported by National Natural Science Foundation of China under Grant Nos.10774042,10474118,and 1047200;the National Fundamental Research Program of China under Grant No.2005CB724502
A scheme has been proposed for generating the macroscopic entanglement between the mesoscopic squeezed vacuum states and mesoscopic coherent states by considering both the two-photon interaction and the single photon ...
关键词：multiparty entanglement cavity QED two-photon interaction 
Oral myiasis after cerebral infarction in an elderly male patient from southern China:A case report被引量：1
《World Journal of Clinical Cases》2020年第24期6499-6503,共5页Tie-Zhu Zhang Ying Jiang Xin-Tong Luo Rui Ling Jing-Wen Wang 
BACKGROUND Myiasis is a rare but risky pathology caused by a parasitic infestation of humansand animals by the dipterous larva. Oral myiasis occurs when soft tissues of theoral cavity are invaded by the larvae of flie...
关键词：Oral myiasis Larva Oral cavity Cerebral infarction Case report 
Multipoint observations of Pi2 pulsations and correlation with dynamic processes in the near-Earth magnetotail on March 18,2009被引量：5
《Science China Earth Sciences》2014年第2期359-371,共13页LUO Hao CHEN GengXiong DU AiMin 
supported by the National Key Basic Research Program of China (Grant No.2012CB825604);the National Natural Science Foundation of China (Grant Nos.41104093 & 41204122).
Simultaneous measurements from THEMIS spacecraft, GOES11 and ground stations （Canadian Array for Realtime Investiga tions of Magnetic Activity or CARISMA, and 210 magnetic meridian or MM） on March 18, 2009 allow the...
关键词：Pi2 pulsations earthward fast flows Alfvn waves cavity mode resonance 
TM_(020)模式谐振腔束团长度监测器的设计与仿真（英文）被引量：2
《强激光与粒子束》2016年第9期149-153,共5页郭江 周泽然 罗箐 孙葆根 
supported by National Natural Science Foundation of China(11375178,11575181);Fundamental Research Funds for the Central Universities(WK2310000046)
提出了一种基于高次模式的谐振腔束团长度测量技术,新方法的谐振腔工作于高次本征模式TM0n0。这样的谐振腔拥有更大的腔体半径,从而移除了谐振腔半径必须大于束流管道半径这一原则带来的工作频率限制。为国家同步辐射实验室未来的正电...
关键词：束团长度 TM020模 监测器 谐振腔 
On the Perturbation Correction Factor <i>p<sub>cav</sub></i>of the Markus Parallel-Plate Ion Chamber in Clinical Electron Beams
《International Journal of Medical Physics, Clinical Engineering and Radiation Oncology》2017年第2期150-161,共12页Philip von Voigts-Rhetz Hilke Vorwerk Klemens Zink 
Purpose: All present dosimetry protocols recommend well-guarded parallelplate ion chambers for electron dosimetry. For the guard-less Markus chamber, an energy dependent fluence perturbation correction pcav is given. ...
关键词：EGSNRC Monte Carlo Cavity PERTURBATION Ionization CHAMBER 
A broadband helical loaded square cavity back antenna array
《Frontiers of Electrical and Electronic Engineering in China》2012年第4期381-385,共5页B. K. MISHRA Vinitkumar Jayaprakash DONGRE Megha GUPTA 
In this paper, a fundamental advancement of the basic helix design which expands to array having good bandwidth is proposed. The helix is inserted in a cavity. The result is a new antenna design that offers the perfor...
关键词：antenna array broadband helical antenna helix impedance matching strip helix square cavity back 
R&D of BEPCII 500 MHz superconducting cavity
《Science China(Physics,Mechanics & Astronomy)》2011年第S2期178-181,共4页LIU YaPing WANG GuangWei PAN WeiMin LI JiZhen LIU DeGui SUN Yi LI ZhongQuan DAI JianPing LI ShaoPeng HE Kun WANG GuoPing ZHAO GuangYuan MA Qiang LIN HaiYing SHA Peng WANG QunYao QIU Feng MENG FanBo LI Han 
Beijing Electron-Positron Collider Upgrade (BEPCII) adopts two 500 MHz superconducting cavities (SCCs) in each ring for higher accelerated gradient, higher Q and lower impedance (Wang et al. The proceedings of SRF'07)...
关键词：SUPERCONDUCTING CAVITY SPINNING EBW POST-PROCESSING 
Scheme for Preparation of W State Among Three Cavity Modes
《Communications in Theoretical Physics》2005年第6期1030-1032,共3页ZHANZhi-Ming LIJia-Hua YANGWen-Xing 
国家自然科学基金
We present a scheme of preparing the tripartite W state among three cavitymodes of radiation field inside high-Q superconducting cavities. Our scheme is based on theinteraction of a four-level atom with the cavity Gel...
关键词：W state CAVITY DIPOLE 
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