英国物理学会
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作者:W. Liu , T. Wei ...
来源:[J].Journal of Instrumentation(IF 1.869), 2016, Vol.11 (03)IOP
摘要:The successive approximation register-analog to digital converter (SAR-ADC) is widely used in the CdZnTe-based gamma-ray imager because of its outstanding characteristics of low power consumption, relatively high resolution, and small die size. This study proposes a digital ...
作者:... H. Li , C. Yu , W. Liu
来源:[J].Journal of Instrumentation(IF 1.869), 2014, Vol.9 (12)IOP
摘要:A novel large aperture quasi-optical imaging system is designed for the new dual-array electron cyclotron emission (ECE) imaging (ECEI) instrument on the EAST tokamak. The zoom doublet scheme is used in the microwave imaging system on a super-conducting tokamak for the first time...
作者:... T. Yang , W. Liu , Z. D. Zhang
来源:[J].EPL (Europhysics Letters)(IF 2.26), 2015, Vol.109 (3)IOP
摘要:High-quality single crystals of sheet-like Fe3− x Cr x Se4 (x = 0, 0.5, 0.7, 0.9) with preferential orientation have been grown by a high-temperature flux method. First-principles calculations show that the lowest surface formation energy of ...
作者:W. Liu , B. Xu ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (11)IOP
摘要:The thermal shock behaviour of blister-covered W surfaces during combined steady-state/pulsed plasma loading was studied by scanning electron microscopy and electron backscatter diffraction. The W samples were first exposed to steady-state D plasma to induce blisters on the surfa...
作者:... Y. Liu , W. Liu , L. Sun
来源:[J].Journal of Instrumentation(IF 1.869), 2015, Vol.10 (10)IOP
摘要:New types of Thick Gaseous Electron Multipliers (THGEMs) made of PCB-type substrates, including Ceramic, Kapton, PTFE, and in addition to FR-4, were developed for applications requiring low neutron absorption, scattering, and low natural radioactivity, such as the THGEM-base...
作者:... G.-N. Luo , G.-H. Lu , W. Liu
来源:[J].Nuclear Fusion(IF 2.734), 2016, Vol.56 (3)IOP
摘要:Surface damage and structure evolution of the full tungsten ITER divertor under transient heat loads is a key concern for component lifetime and plasma operations. Recrystallization caused by transients and steady-state heat loads can lead to degradation of the material prop...
作者:... B. Dong , W. Liu , Y. Li
来源:[J].Journal of Instrumentation(IF 1.869), 2016, Vol.11 (02)IOP
摘要:In this paper, in-situ investigation of Al-Ti mixed system's microwave sintering was carried out on the basis of synchrotron radiation tomography technique. Quantitative parameters including porosity and sintering neck growth were extracted from experimental images. Al-Ti mixed s...
作者:... X. Wei , W. Liu , Y. Hu
来源:[J].Journal of Instrumentation(IF 1.869), 2016, Vol.11 (12)IOP
摘要:This paper presents a 12-bit 2 MS/s pipelined successive approximation register (SAR) ADC for CZT-based imaging system. The proposed ADC is divided into a first-stage 6-bit SAR-based Multiplying Digital Analog Converter (MDAC) and a second-stage 8-bit SAR ADC. The first-stage MDA...
作者:W. Liu , B. Xu ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (3)IOP
摘要:The deuterium (D) bubbles formed in W exposed to high flux D plasma were researched by scanning electron microscopy and transmission electron microscopy. After D plasma exposure at 500 K and 1000 K, a layer of nano-sized bubbles were homogenously distributed in W subsurface regio...
作者:W. Liu , C. Yu ...
来源:[J].Journal of Instrumentation(IF 1.869), 2017, Vol.12 (06)IOP
摘要:A 384-channel electron cyclotron emission imaging (ECEI) system is installed on the experimental advanced superconducting tokamak (EAST) and 7-gigabyte data is produced for each regular discharge of a 10-second pulse. The data acquisition and control (DAC) system for the EAST ECE...

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