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Journal of Electronic Science and Technology 2017年第3期15卷 313-323页

作者： qi-zhong zhou Yong-Le Xie School of Physics and Electronic Engineering Yibin University Yibin 644000 School of Automation Engineering University of Electronic Science and Technology of China Chengdu 611731

The soft fault induced by parameter variation is one of the most challenging problems in the domain of fault diagnosis for analog circuits.A new fault location and parameter prediction approach for soft-faults diagnosis in analog circuits is presented in this *** proposed method extracts the original signals from the output terminals of the circuits under test（CUT） by a data acquisition ***,the phase deviation value between fault-free and faulty conditions is obtained by fitting the sampling sequence with a sine ***,the sampling sequence is organized into a square matrix and the spectral radius of this matrix is ***,the smallest error of the spectral radius and the corresponding component value are obtained through comparing the spectral radius and phase deviation value with the trend curves of them,respectively,which are calculated from the simulation ***,the fault location is completed by using the smallest error,and the corresponding component value is the parameter identification *** simulated and experimental results show the effectiveness of the proposed *** is particularly suitable for the fault location and parameter identification for analog integrated circuits.

关键词： Index Terms--Analog circuits parameter identification phase deviation soft-fault diagnosis,spectral radius.

Precision wire electrochemical machining of thick structures in powder superalloy René88DT using a partially insulated tube electrode

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Advances in Manufacturing 2023年第4期11卷 618-635页

作者： Cheng Tang Zhao Han zhong-qi zhou Xiao-Long Fang Jiangsu Key Laboratory of Precision and Micro-Manufacturing Technology Nanjing University of Aeronautics and AstronauticsNanjing210016People’s Republic of China

Wire electrochemical machining(WECM)is a potential method for manufacturing macrostructures from difficult-to-cut materials,such as turbine slots,with good surface integrity and low *** this study,a novel tube electrode with array holes in the front and insulation in the back was applied using WECM to improve the machining precision and ***,assisted by an immersion electrolyte and axial flushing,the electrolyte-deficient gap was supplemented to achieve the cutting of a very thick *** simulation results indicated that this method could effectively reduce the machining gap and improve the uniformity of the electric-and flow-field *** verified that when the uninsulated range(machining angle)was reduced from 360°to 90°,the side machining gap was reduced from 462.5µm to 175µ***,using optimized machining parameters,array slits with gaps as small as(175±10)μm were machined on a powder superalloy René88DT sample with a thickness of 10 mm at a feed rate of 16µm/*** feasibility of fabricating complex profiles using this method was verified using a self-designed servo device.

关键词： Wire electrochemical machining(WECM) Tube electrode Partial insulation Machining angle Electrolyte flushing Surface quality

Cyclization and halogenation of substituted o-allylphenols with diacetoxyiodobenzene in the presence of iodine or bromine

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Chinese Chemical Letters 2008年第6期19卷 661-664页

作者： qi zhong zhou Chun Lin He Zhen Chu Chen Department of Chemistry Zhejiang University Hangzhou 310027 China

Substituted 2-halomethyl-2,3-dihydrobenzofurans were synthesized in one pot and in mild yield from substituted o-allylphenols with diacetoxyiodobenzene in the presence of 12 or Br2 in dry CH2Cl2 under reflux.

关键词： 2-Halomethyl-2,3-dihydrobcnzofuran Diacetoxyiodobenzene Cyclization Halogenation

Tsallis Entropy Based q-Gaussian Density Model and Its Application in Measurement Accuracy Improvement

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Journal of Electronic Science and Technology 2017年第1期15卷 77-82页

作者： Xuan Xie Xi-Feng Li qi-zhong zhou Yong-Le Xie School of Automation Engineering University of Electronic Science and Technology of ChinaChengdu 610054China

The central limit theorem guarantees the distribution of the measurand is Gaussian when the number of repeated measurement is infinity, but in many practical cases, the number of measurement times is limited to a given number. To overcome this contradiction, this paper firstly carries out the maximum likelihood estimation for parameter q in qGaussian density model developed under the maximum Tsallis entropy principle. Then the q-Gaussian probability density function is used in the particle filter to estimate and measure the nonlinear system. The estimated parameter q is related to the ratio between the measurement variance and the given variance, which indicates that the measurement accuracy cannot be improved if we only increase the repeated measurement times. Via using the proposed q-Gaussian density model,the measurement error（the average mean square error）of the estimation results can be reduced to a considerable level where the number of repeated measurement is limited. The experimental example is given to verify the proposed model and the measurement results prove the correctness and effectiveness of it.

关键词： variance entropy overcome infinity likelihood guarantees sequentially verify carries contradiction

Deaggregation of long chain alkyl β-naphthoic acid ester with β-CD and α-CD:A mimic way to remove excessive fat from fatty liver

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Chinese Chemical Letters 2008年第6期19卷 720-724页

作者： Chun Xi Zhai Hai Ning Gu Da Yong Sang Juan Tian qi zhong zhou Department of Chemistry Zhejiang University Hangzhou 310027 China

The deaggregating ability of β-CD and α-CD against the aggregated n-hexadecyl β-naphthoate （A16） and n-dodecyl β-naphthoate （A12） depended not only on the aggregating tendency of A16 and A12 but also on the initial concentration of the aggregated A16 or A12. The inclusive ability of β-CD with the substrates is greater than that of α-CD under hydrophobiclipophilic interaction.

关键词： Deaggregation Aggregation Coaggregation Critical aggregating concentration

Explanation of Banxia Xiexin decoction based on “Xinkai Kujiang”

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Toxicology Advances 2022年第4期4卷 24-27页

作者： zhong-qi zhou Yao Li College of Traditional Chinese Medicine Shandong University of Traditional Chinese MedicineJinan 250355China

Banxia Xiexin decoction(BXD)is a representative formula of Zhang zhongjing(Eastern Han Dynasty)for the treatment of pi syndrome,which is a combination of cold and heat,and its application in the treatment of digestive system diseases is *** this paper,we discuss how Chinese medicine recognizes“spleen”and“Pi syndrome”to explain and explore the basis of BXD prescription and analyze both clinical examples and drug toxicity to provide more basis for the clinical application of BXD.

关键词： Banxia Xiexin decoction Pi syndrome toxicity of Banxia(Pinellia ternata)

Fault Tolerant Reconfigurable System with Dual-Module Redundancy and Dynamic Reconfiguration

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Journal of Electronic Science and Technology 2011年第2期9卷 167-173页

作者： qi-zhong zhou Xuan Xie Jing-Chen Nan Yong-Le Xie Shu-Yan Jiang School of Automation Engineering University of Electronic Science and Technology of ChinaChengdu 611731China Intel Corporation Chengdu 611731China School of Physics and Electronic Engineering Yibin UniversityYibin 644000China

To handle the effects of single event upsets（SEU）,which are common to computers in space radiation environment,a new fault-tolerant system with dual-module redundancy is proposed using dynamic reconfigurable technique of field programmable gate array（FPGA）. This system contains detection and backup alternative functions,that is,the self-detection and self-healing functions can be completed,and consequently a system design with low hardware redundancy and high resource utilization can be achieved successfully. So it can not only detect fault but also repair the fault effectively after failure. Hence,this method is especially practical to the dynamically reconfigurable computers based on FPGAs. Design methodology has been verified by Virtex-4 FPGA on Xilinx Ml403 development platform.

关键词： Dependable computers fault-tolerant field programmable gate array self-detection single event upsets

16.48% Efficient solution-processed CIGS solar cells with crystal growth and defects engineering enabled by Ag doping strategy

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Journal of Energy Chemistry 2025年第1期100卷 59-65页

作者： Mengyu Xu Shaocong Yan Ting Liang Jia Jia Shengjie Yuan Dongxing Kou Zhengji zhou Wenhui zhou Yafang qi Yuena Meng Litao Han Sixin Wu Key Laboratory for Special Functional Materials of MOE National & Local Joint Engineering Research Centre for High-efficiency Display and Lighting Technology School of Nanoscience and Materials Engineering Henan University

Solution-processed Cu（In,Ga）Se2（CIGS） solar cells suffer from serious carrier recombination and power conversion efficiency（PCE） loss because of the poor film properties and easy formation of ***, we propose Ag&Se co-selenization strategy to enhance the crystallization and passivate harmful defects of the CIGS films. The formation of Ag-Se phase during the selenization process enables the formation of large grains and suppresses the deep level defects. It is found that Ag doping can enlarge the depletion region width, lower the Urbach energy and prolong the carrier lifetime. As a result, a champion solution-processed CIGS solar cell presents a high efficiency of 16.48% with the highly improved opencircuit voltage（VOC） of 662 m V and fill factor（FF） of 75.8%. This work provides an efficient strategy to prepare high quality solution-processed CIGS films for high-performance CIGS solar cells.

关键词： CIGS solar cells Solution-processed method Ag doping Crystal growth Defects engineering

固体比表面积与孔径分布的测定——孔径分布测定中实验条件变化的计算机模拟

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化学学报 1981年第6期39卷 563-567页

作者：沈中和王歧钟周佩佩中国科学院上海有机化学研究所

用流动色谱法测定固体样品的孔径分布繁复费时。计算时要经过作图、内插、查表等步骤,不是由一个或几个数学方程式所能表示,因而无法用一般误差传递公式来考察各个实验参数的变化对结果的影响。用重复试验的方法或用一般计算器进行模拟... 详细信息

用流动色谱法测定固体样品的孔径分布繁复费时。计算时要经过作图、内插、查表等步骤,不是由一个或几个数学方程式所能表示,因而无法用一般误差传递公式来考察各个实验参数的变化对结果的影响。用重复试验的方法或用一般计算器进行模拟计算工作量都太大,只有应用电子计算机,才有可能模拟大量的实验条件变化,考察所得到的结果。我们根据严继民等推导的计算公式,用BASIC语言编制了从原始流量开始到最后绘制

关键词：吸附等温线孔径分布实验点计算机模拟计算机仿真实验参数实验条件比表面积比表面

Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang zhou Ying Mo Biao Zheng Miaomiao Han qin zhong Wenwen Yang Peng Gao Lezhi Yang Jilei Liu College of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy Co. LTD.

Hard carbon （HC） has been considered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy （FTIR/EIS） and X-ray photoelectron spectroscopy （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectroscopy