Lin Xiao-yan

Wuyi University

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Yude Li

Beijing Normal University

Ying-Jin Lu

University of Electronic Science and Technology of China

Guangwu Wen

Shandong University of Technology

Tianxi Sun

Beijing Normal University

Tan Guotai

Beijing Normal University

Andong Liu

Chinese University of Hong Kong

Pengju Wu

Northeastern University

Chunyan Ding

Shandong University of Technology

Xiaoxiao Huang

Harbin Institute of Technology

Mu Gu

China Aerospace Science and Technology Corporation

Cooperative Institutions

Harbin Institute of Technology

University of Science and Technology Beijing

Beijing Normal University

University of Electronic Science and Technology of China

Beijing Radiation Center

Central South University

Shandong University of Technology

Nanjing University of Aeronautics and Astronautics

Tongji University

South China University of Technology

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A New Method to Measure the Divergence of X-Ray Beams from Capillaries

Chinese Physics Letters (2006)

Lin Xiao-yan Yude Li Chi Ji-hong Andong Liu Tan Guotai

A new method to measure the divergence of x-ray beams propagated out from several capillaries is introduced. This new method is based on Bragg's law and is proven efficiently by the experimental measurement with collimators and straight polycapillaries.

Divergence (linguistics)

10.1088/0256-307x/23/4/009

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Achieving Omnidirectional Reflection with Disorder Structure in Lower Refractive Index Ratio Dielectric Multilayer

Journal of Tongji University (2004)

Lin Xiao-yan

Discussed how to achieve omnidirectional reflection with lower refractive index ratio (n H/n L).Firstly,an omnidirectional high reflector in visible spectrum with the high refractive index 2.16 and low 1.44 is designed with non-periodic structure based on the theory of quarter-wave dielectric stacks.Then these two different multilayers are compared.And at last a high omnidirectional reflector with 595～610 nm bandwidth is produced.

Reflector (photography)

Reflection

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A Study on Conjugate Quadratrue Filters

Jinsong Leng Ting‐Zhu Huang Lin Xiao-yan Ying-Jin Lu

It is very important for generating an orthonormal multiwavelet system to construct a conjugate quadrature filter (CQF). In this paper, a general method of deriving a length-J + 1 conjugate quadrature filter with multiplicity r and scale a from a length-J conjugate quadrature filter is obtained. As a special case, we study generally the construction of a length-J + 1 conjugate quadrature filter which generates a compactly supported symmetric-antisymmetric orthonormal multiwavelet system with multiplicity 2 and scale 2 from a length-J conjugate quadrature filter. The related numerical example is given.

Conjugate

Antisymmetric relation

Quadrature mirror filter

Quadrature (astronomy)

Lattice phase equaliser

10.1109/cise.2009.5364321

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Evaluation of transmitting performance of cylindrical polycapillary

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment (2006)

Lin Xiao-yan Yude Li Tan Guotai Tianxi Sun

10.1016/j.nima.2006.12.020

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Preparation and Characterization of Ti-Supported PbO2 Electrode Doped with Rare Earth Er

Cailiao yanjiu xuebao (2012)

Lin Xiao-yan Weihua Yang

Ti-supported PbO_2 electrode doped with rare earth Er was prepared by electrodeposition method.The phase composition and microstructure of PbO_2 electrodes were characterized by SEM,EDS and XRD.At the same time,EIS,VA,FP analysis and phenol degradation experiments were applied to characterize the electrodes' electrochemical properties.Results show that the Er-PbO_2 coating is mainly composed ofβ-PbO_2;Er can decrease the particle size and increase its surface area;the fluorescent intensity of Er-PbO_2 electrode is 2.3 times higher than that of PbO_2 electrode.Comparing with the undoped PbO_2 electrode,the Er-PbO_2 electrode presents a relatively lower electrochemistry response resistance as well as a higher oxygen evolution reaction potential.Phenol degradation experiments show that ErPbO_2 electrode can enhance the electrocatalytic activity and 91.8%of phenol can be removed at 2 h.

Oxygen evolution

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A Haar Wavelet Solution to Fredholm Equations

Lin Xiao-yan Jinsong Leng Ying-Jin Lu

An efficient algorithm for solving Fredholm systems is proposed with operational matrices of integration of Haar wavelets. Numerical experiments demonstrate that the approximate solutions obtained by the presented algorithm have wonderful agreement with the analytical solutions and tend to be more accurate with the increase of the order of the Haar wavelet.

Haar wavelet

Haar

Stationary wavelet transform

10.1109/cise.2009.5364343

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Determination of Dioctyltin in Textiles by Gas Chromatography-Mass Spectrometry

Guo‐Hua Zhang Lin Xiao-yan JU Xiaomei

A simple method for the determination of dioctyltin(DOT) in textile samples was developed with gas chromatography-mass spectrometry(GC-MS).DOT was extracted by liquid-liquid extraction and further derivatized with NaBEt4.Then the ethyl organotin was analyzed by GC-MS in the selected ion mode.The qualitative and quantitative analysis was carried out with the selected ion chromatograms obtained.Under the selected conditions,a good linearity range was got from 0.3~2.0 μg/mL with the average recoveries in the range from 93.1%~102.4%.The proposed method was further applied to the textile samples detection.

Textile

Selected ion monitoring

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Multilayer Reflectivity Calculation

Journal of Xinyang Normal University (2011)

Lin Xiao-yan

Based on the Fresnel formula,the reflectivity formula of multilayer was derived using recursive method.In addition,the program for reflectivity calculation is obtained by Visual Basic.The reflectivity of typical antireflective coating and highrefelctive coating were calculated by this program.

Anti-reflective coating

Fresnel equations

X-ray reflectivity

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Role of Al layer in metallic-dielectric multiplayer

Junming Wei WU Yong-gang Mu Gu Xiaohui Ma Lin Xiao-yan

A one dimensional metallic-dielectric multilayer coating was designed to suppress the long wavelength component in the emission spectrum of BaF_2 crystal, while the short wavelength component is allowed to pass. The coating was composed of several periods of high (Al_2O_3)/low (MgF_2) refractive index materials inserted in the metallic layer (Al). The multilayer coating was optimized and the effect of layer thickness error was estimated. The effect of thickness and distribution of the metallic layers was emphatically discussed. The multilayer coating was prepared through electron beam evaporation and the experiment results were in very good agreement with the calculated results.

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Determination of ketoconazole in ketoconazole cream by HPLC

Strait Pharmaceutical Journal (2008)

Lin Xiao-yan

OBJECTIVE To develop an HPLC method for the assay of ketoconazole in its cream.METHODS HPLC was performed on Diamonsil C18 column with methanol-0.02mol·L-1 sodium hydrogen phosphate(70∶30)(pH value was adjusted to 7.0 by diluted phosphoric acid) as mobile phase.The detecting wavelength was 244nm.RESULTS The linear range of ketoconazole was 0.06472～1.618μg(r=0.9999),the average recovery was 101.6%,RSD was 3.43%.CONCLUSION The method is simple,accurate and reproducible.It can be used for quality control of ketoconazole cream.

Phosphoric acid

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