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cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 48-51

Abstract: It's better than the traditional method which bases on the magnetic analyzer and Cherenkov detector

Keywords： high-energy gamma     Cherenkov detector     scattering absorption method    

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Tetra-detector size exclusion chromatography characterization of molecular and solution properties of

Qingbin Guo,Sheng Chang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0922-x

Abstract: Tetra-detector HPSEC was evaluated for the SMP characterization Molecular weight and intrinsic viscosityBased on the tetra-detector HPSEC determined absolute molecular weights and intrinsic viscosity, a universalTwo factors which can be derived from the tetra-detector HPSEC analysis were proposed for the characterizationpolarization layers formed in membrane filtration based on the molecular properties determined by the tetra-detector

Keywords： Soluble microbial product     Extracellular polymeric substance     Membrane bioreactor     Membrane fouling     Molecular weight     Intrinsic viscosity    

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Icing tunnel experimental study of the static pressure detector

Peng Youxin,Zheng Li,Lin Guiping

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 51-55

Abstract: style="text-align: justify;">This work presented experimental approach of studying static pressure detectorThe main topics are: the experimental items of the detector in the icing tunnel, the experimental conditionsAccording to the features of the icing tunnel, the experimental results of the detector and some suggestion

Keywords： static pressure detector     icing tunnel experiment     anti-ice    

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The relevance of James Lovelock’s research and philosophy to environmental science and academia

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1639-7

Abstract: Lovelock is also remembered as the co-inventor of the electron capture detector that eventually allowed

Keywords： Academic independence     Climate change     Electron capture detector     Environmental equilibrium     Global warming    

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A fast face detection algorithm using enhanced AdaBoostbased on walsh features

Guo Zhibo,Yang Jingyu,Liu Huajun,Yan Yunyang

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 125-131

Abstract: developed, where double threshold makes training process faster ; and in the process of training cascaded detectornext classifier can be guided by the former classifier,which enhances the performance of the cascaded detectorFinally, the trained detector is tested on MIT + CMU test set, and experimental results show that its

Keywords： Walsh features     enhanced AdaBoost     cascaded detector     face detection    

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An investigation of local high spatial resolution adaptive PET system

Liu Jingjing,Xie Qingguo

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 105-112

Abstract:

A critical challenge in positron emission tomography (PET) is to develop affordable systems having high spatial resolution. We imagine a PET system, for imaging a region of interest (ROI) with ultra high performances and other regions with normal performances by use of inhomogeneous performances PET detectors. We propose such a prototype, consisting of a few ultra high intrinsic spatial resolution PET detectors and quite a few normal ones. In this paper, we investigate the effect of the location and the number of high resolution detectors. The high resolution detectors are grouped in a continuous partial ring. The initial results show that such a prototype is capable to bring the advantages of significantly improving the spatial resolution in a ROI. For a specified area, the improvement is influenced by the location and fraction of high resolution detectors in a ring. The encouraging results also indicate the possibilities to regulate detectors to achieve high spatial resolution according to the application, which is possibly formulated.

Keywords： tomography     adaptive PET system     region of interest     local spatial resolution     inhomogeneous performance PET detector    

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The Base Smoke Density of Smoke Fire Detector Created by the Suspended Particulate PM10 in

Xie Qiyuan,Yuan Hongyong,Jiang Yalong

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 84-87

Abstract: So, the standards to define the sensitivity of the smoke fire detector could be the same in different

Keywords： suspended particulate     fire detection     base affection    

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High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector Article

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.-D. Xiang

Engineering 2022, Volume 10, Issue 3,   Pages 81-88 doi: 10.1016/j.eng.2021.05.023

Abstract:

High-throughput powder X-ray diffraction (XRD) with white X-ray beam and an energy-dispersive detectorbeamline at the Shanghai Synchrotron Radiation Facility (SSRF), using a simulated energy-dispersive array detectorconsisting of a spatially scanning silicon-drift detector (SDD).>-spacing, resulting in a much improved peak strength and signal-to-noise (S/N) ratio for the array detector, the angle span of the detector, and the diffraction angle.

Keywords： High-throughput experiment     White beam X-ray diffraction     Energy-dispersive array detector     Energy-dispersive    

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tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index detector

Liang ZHU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11705-013-1348-z

Abstract: reversed-phase ion-pair high performance liquid chromatography (HPLC) with a refractive index (RI) detector

Keywords： tobramycin     aminoglycoside     refractive index detector     high-performance liquid chromatography     ion-pairing    

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Detection of Explosives and Active Material by Nuclear Technologies

Chen Hande

Strategic Study of CAE 2008, Volume 10, Issue 1,   Pages 77-85

Abstract:

The advantages and characteristics of detection of hidden explosives and radioactive materials by nuclear technologies are explained in this paper. The active neutron interrogation technology and their application to detection of explosives are introduced in detail. The non-neutron interrogation technology by gamma method, the commercialized industry neutron sources and gamma ray detectors and their advantages and disadvantages respectively in security application are summarized respectively. The security problem of two typical hidden explosives are discussed with 11 characteristics of a perfect detecting system of explosives. The current research progress in association with particle imaging and fast-pulse neutron system and the passive method to detection of radioactive materials are briefly described. Finally, the paper points out that for detection of hidden explosives and radioactive materials it is necessary to use different technologies for different scenes and targets or use combined technologies.

Keywords： nuclear technology     neutron interrogation     explosive     active material     active material detector    

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Wideband cryogenic amplifier for a superconducting nanowire single-photon detector Research Article

Lianming Li, Long He, Xu Wu, Xiaokang Niu, Chao Wan, Lin Kang, Xiaoqing Jia, Labao Zhang, Qingyuan Zhao, Xuecou Tu,Lianming.LI@seu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 12,   Pages 1551-1684 doi: 10.1631/FITEE.2100525

Abstract: We present a low-power inductorless wideband differential using a 0.13-μm SiGe BiCMOS process for a . With a shunt–shunt feedback and capacitive coupling structure, theoretical analysis and simulations were undertaken, highlighting the relationship of the amplifier gain with the tunable design parameters of the circuit. In this way, the design and optimization flexibility can be increased, and a required gain can be achieved even without an accurate cryogenic device model. To realize a flat terminal impedance over the frequency of interest, an RC shunt compensation structure was employed, improving the amplifier’s closed-loop stability and suppressing the amplifier overshoot. The -parameters and transient performance were measured at room temperature (300 K) and cryogenic temperature (4.2 K). With good input and output matching, the measurement results showed that the amplifier achieved a 21-dB gain with a 3-dB bandwidth of 1.13 GHz at 300 K. At 4.2 K, the gain of the amplifier can be tuned from 15 to 24 dB, achieving a 3-dB bandwidth spanning from 120 kHz to 1.3 GHz and consuming only 3.1 mW. Excluding the chip pads, the amplifier chip core area was only about 0.073 mm.

Keywords： 超低温放大器；宽带放大器；超导纳米线单光子探测器    

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Orbit determination using incremental phase and TDOA of X-ray pulsar Project supported by the National Natural Science Foundation of China (No. 61401340), the Natural Science Basic Research Plan in Shaanxi Province of China (No. 2016JM6035), the Fundamental Research Funds for the Central Universities, China (No. JB161303), and the Areospace T.T.&C. Innovation Program (No. 201515A) Article

Rong JIAO,Lu-ping XU,Hua ZHANG,Cong LI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 6,   Pages 543-552 doi: 10.1631/FITEE.1500365

Abstract: This method suggests only one detector to be equipped on the satellite and assumes that the detector

Keywords： Orbit determination algorithm     Single X-ray pulsar detector     Phase increment     Two-body motion equations    

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Title Author Date Type Operation

cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Journal Article

Tetra-detector size exclusion chromatography characterization of molecular and solution properties of

Qingbin Guo,Sheng Chang

Journal Article

Icing tunnel experimental study of the static pressure detector

Peng Youxin,Zheng Li,Lin Guiping

Journal Article

The relevance of James Lovelock’s research and philosophy to environmental science and academia

Journal Article

A fast face detection algorithm using enhanced AdaBoostbased on walsh features

Guo Zhibo,Yang Jingyu,Liu Huajun,Yan Yunyang

Journal Article

An investigation of local high spatial resolution adaptive PET system

Liu Jingjing,Xie Qingguo

Journal Article

The Base Smoke Density of Smoke Fire Detector Created by the Suspended Particulate PM10 in

Xie Qiyuan,Yuan Hongyong,Jiang Yalong

Journal Article

High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.-D. Xiang

Journal Article

tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index detector

Liang ZHU, Jingkang WANG

Journal Article

Detection of Explosives and Active Material by Nuclear Technologies

Chen Hande

Journal Article

Wideband cryogenic amplifier for a superconducting nanowire single-photon detector

Lianming Li, Long He, Xu Wu, Xiaokang Niu, Chao Wan, Lin Kang, Xiaoqing Jia, Labao Zhang, Qingyuan Zhao, Xuecou Tu,Lianming.LI@seu.edu.cn

Journal Article

Orbit determination using incremental phase and TDOA of X-ray pulsar Project supported by the National Natural Science Foundation of China (No. 61401340), the Natural Science Basic Research Plan in Shaanxi Province of China (No. 2016JM6035), the Fundamental Research Funds for the Central Universities, China (No. JB161303), and the Areospace T.T.&C. Innovation Program (No. 201515A)

Rong JIAO,Lu-ping XU,Hua ZHANG,Cong LI

Journal Article