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63 results on '"Xie, Qilin"'

51. Double Mode X-band T/R Module Based on LTCC

Author

Xie Qilin, Lv Chunming, Han jun, and Dai Yuefei

Subjects
Engineering, Printed circuit board, Mode X, business.industry, law, Mode (statistics), Electrical engineering, Electronic engineering, Radar, business, law.invention
Abstract

LTCC is usually applied as basic PCB for high-density and high-reliability integrating in MCM. The structure and operating principle of a double mode X-band T/R module based on LTCC are discussed in this paper, and the performance analysis in theory is performed. Finally, the test results and conclusion are given.

Published
2006

57. Shielding optimization of Am-Li neutron in new pile laboratory-neutron multiplicity counter

Author

陈利高 Chen Ligao, 尹延朋 Yin Yanpeng, 范晓强 Fan Xiaoqiang, 谢奇林 Xie Qilin, 刘晓波 Liu Xiaobo, 徐家云 Xu Jiayun, and 董传江 Dong Chuanjiang

Subjects
Nuclear physics, Physics, Electromagnetic shielding, Neutron, Electrical and Electronic Engineering, Neutron multiplicity, Pile, Atomic and Molecular Physics, and Optics
Published
2014

58. Neutron multiplicity assay device and experiment progress on Pu-U components

Author

刘晓波 Liu Xiaobo, 董传江 Dong Chuanjiang, 谢奇林 Xie Qilin, 龚建 Gong Jian, 王侃 Wang Kan, 陈利高 Chen Ligao, and 范晓强 Fan Xiaoqiang

Subjects
Physics, Nuclear physics, Electrical and Electronic Engineering, Neutron multiplicity, Atomic and Molecular Physics, and Optics
Published
2014

59. A correction method for point model equations in neutron multiplicity assay of spherical shell plutonium samples

Author

谢奇林 Xie Qilin, 王侃 Wang Kan, 陈利高 Chen Ligao, 范晓强 Fan Xiaoqiang, 董传江 Dong Chuanjiang, 龚建 Gong Jian, and 刘晓波 Liu Xiaobo

Subjects
Physics, Nuclear physics, Correction method, chemistry, Point model, chemistry.chemical_element, Electrical and Electronic Engineering, Neutron multiplicity, Atomic and Molecular Physics, and Optics, Spherical shell, Plutonium
Published
2014

60. Infinitely many bound state solutions of Kirchhoff problem in [formula omitted].

Author

Xie, Qilin, Ma, Shiwang, and Zhang, Xu

Subjects
*BOUND states, *PROBLEM solving, *MATHEMATICAL symmetry, *KIRCHHOFF'S theory of diffraction, *MATHEMATICAL analysis
Abstract

In the present paper, we consider the following Kirchhoff problem ( K ) { − ( 1 + b ∫ R 3 | ∇ u | 2 d x ) Δ u + a ( x ) u = | u | p − 2 u , in R 3 , u ∈ H 1 ( R 3 ) , where b > 0 and p ∈ ( 4 , 6 ) . Under some suitable decay assumptions but without any symmetry property on a ( x ) , we obtain infinitely many bound state solutions of this problem. [ABSTRACT FROM AUTHOR]

Published
2016
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61. Establishment of persistent fission chains in a super prompt critical system

Author

Fan Xiaoqiang, Liu Xiaobo, Liang Wen-Feng, Huang Po, Xie Qilin, Gao Hui, and Song Ling-Li

Subjects
Physics, Nuclear physics, Fission, Astrophysics::High Energy Astrophysical Phenomena, Prompt critical, General Physics and Astronomy, Nuclear Experiment
Abstract

Through using the basic probability theory and establishing the law of finite chains near the prompt criticality, we deduce the formula of relation between the neutrons number and time in the process of persistent chains initiated by a single-pulse neutron source in burst reaction. The formula is validated by the experiments of CFBR-Ⅱ. The formula is the development of Hansen theory model because it can describe not only the developing tendency in the later stages but also the rapid increasing of neutron number in the early stage. Furthermore, according to the relation between the initial time of burst reaction and the intensity of neutron source, we illustrate that the initial time is hardly dependent on the intensity of weak neutron source.

Published
2013

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