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  1. No Access

    Article

    Overview of a theory and method for prediction of mineral resources in China

    A set of theories and methods has long been needed to enhance geological prospecting. Since 1982, we have been predicting mineral-resource potential based on geological research in China, using a comprehensive...

    Shicheng Wang, Yutian Wang, Shaohua Liu, Kai Wang in Mathematical Geology (1992)

  2. No Access

    Article

    Information structure analysis for quantitative assessment of mineral resources and the discovery of a silver deposit

    We propose an information-structure-analysis (ISA) method to quantify the correlations between quantitative and qualitative variables as well as within each type of variable. This method is applied to the eval...

    Yutian Wang, Bingqi Tan, Yifeng Wang, Jiangtao Wu in Nonrenewable Resources (1994)

  3. No Access

    Article

    Properties of GaAs single crystals grown by molecular beam epitaxy at low temperatures

    Properties of GaAs single crystals grown at low temperatures by molecular beam epitaxy (LTMBE GaAs) have been studied. The results show that excessive arsenic atoms of about 1020 cm−3 exist in LTMBE GaAs in the f...

    Nuofu Chen, Hongjia He, Yutian Wang, Lanying Lin in Science in China Series A: Mathematics (1997)

  4. No Access

    Article

    Structures of an asymmetrically coupled double-well superlattice by double-crystal X-ray diffraction

    An asymmetrically coupled (GaAs/AlAs/GaAs/AlAs)/GaAs (001) double-well supperlattice is studied by HRDCD (high resolution double-crystal X-ray diffractometry). The intensity of satellite peaks is modulated by ...

    Wenquan Ma, Yan Zhuang, Yutian Wang… in Science in China Series A: Mathematics (1997)

  5. No Access

    Article

    Mosaic Structure and Cathodoluminescence of GaN Epilayer Grown by LP-MOVPE

    We have studied the growth of GaN on (0001) sapphire and (111) spinel substrates by LP-MOVPE and compared the mosaic structure and cathodoluminescence for the heteroepitaxial films of GaN grown on these substr...

    Shukun Duan, Xuegong Teng, Yenran Li, Yutian Wang… in MRS Online Proceedings Library (1997)

  6. No Access

    Article

    Double crystal X-ray diffraction study of MBE self-organized InAs quantum dots

    A series of GaAs/InAs/GaAs samples were studied by double crystal X-ray diffraction and the X-ray dynamic theory was used to analyze the X-ray diffraction results. As the thickness of InAs layer exceeds 1.7 mo...

    Yutian Wang, Yan Zhuang, Wenquan Ma, Wei Wang… in Science in China Series A: Mathematics (1998)

  7. No Access

    Article

    Annealing behavior of hexagonal phase content in cubic GaN thin films grown on GaAs (001) by MOCVD

    The annealing behavior of the hexagonal phase content in cubic GaN (c-GaN) thin Films grown on GaAs (001) by MOCVD is reported. C-GaN thin films are grown on GaAs (001) substrates by metalorganic chemical vapo...

    **aoling Sun, Hui Yang, Yutian Wang, Guohua Li… in Science in China Series A: Mathematics (1999)

  8. No Access

    Article

    The formation and stability of Si1-xC x alloys in Si implanted with carbon ions

    Si1-xCx alloys of carbon (C) concentration between 0.6%–1.0% were grown in Si by ion implantation and high temperature annealing. The formation of Si1-xC x alloys under differen...

    Yinshu Wang, **min Li, Yunfan **, Yutian Wang, Guosheng Sun… in Chinese Science Bulletin (2001)

  9. No Access

    Article

    Multiplicity factor and diffraction geometry factor for single crystal X-ray diffraction analysis and measurement of phase content in cubic GaN/GaAs(001) epilayers

    On the basis of integrated intensity of rocking curves, the multiplicity factor and the diffraction geometry factor for single crystal X-ray diffraction (XRD) analysis were proposed and a general formula for c...

    Bo Qu, **nhe Zheng, Yutian Wang, Zhihong Feng… in Science in China Series A: Mathematics (2001)

  10. No Access

    Article

    Thickness measurement of GaN epilayer using high resolution X-ray diffraction technique

    In this paper we propose a new method for measuring the thickness of the GaN epilayer, by using the ratio of the integrated intensity of the GaN epilayer X-ray diffraction peaks to that of the sapphire substra...

    Gan Feng, Jianjun Zhu, **aoming Shen… in Science in China Series G: Physics, Mechan… (2003)

  11. No Access

    Article

    Influence of growth pressure of a GaN buffer layer on the properties of MOCVD GaN

    The influence of growth pressure of GaN buffer layer on the properties of MOCVD GaN on α-Al2O3 has been investigated with the aid of a home-made in situ laser reflectometry measurement system. The results obtaine...

    Jun Chen, Shuming Zhang, Baoshun Zhang… in Science in China Series E: Technological S… (2003)

  12. No Access

    Chapter and Conference Paper

    Improving Tumor Clustering Based on Gene Selection

    Tumor clustering is becoming a powerful method in cancer class discovery. In this community, non-negative matrix factorization (NMF) has shown its advantages, such as the accuracy and robustness of the represe...

    **angzhen Kong, Chunhou Zheng, Yuqiang Wu… in Advanced Intelligent Computing Theories an… (2008)

  13. No Access

    Article

    Detection of Survivin mRNA in nasopharyngeal carcinoma by real-time fluorescence quantitative RT-PCR

    To establish the method of real time fluorescence quantitative RT-PCR for detecting the expression of Survivin mRNA in nasopharyngeal carcinoma (NPC) tissues.

    Shengmiao Fu, Junhong Cai, Zhihua Tu… in The Chinese-German Journal of Clinical Onc… (2008)

  14. No Access

    Article

    Silver coordination polymers with remarkably high packing coefficients

    Silver meso- and rac-tartrate and silver squarate have been synthesized, and the crystal structure of a new polymorph of the latter is reported. Three reaction products of these silver salts with pyrazine have be...

    Yutian Wang, Mihaela Şerb, Ulli Englert in Structural Chemistry (2010)

  15. No Access

    Chapter and Conference Paper

    The Application of Frequency Domain and Time Domain Analysis on Vortex Flowmeter Signal Processing

    The vortex flowmeter is widely used because of its many advantages. However, it is easily influenced by the noises caused by pipe vibrations and fluid turbulence. The digital processing methods can complement ...

    **aolin Lin, Yutian Wang, Zhao Pan in Advances in Computer Science, Intelligent … (2011)

  16. No Access

    Chapter and Conference Paper

    Improvement of Lap** Machine Slurry Supplying System

    Wafer lap** process affects product quality and competitiveness. Improving existing wafer lap** equipment, adding a automatically tuning system of slurry flow rate, wafer surface quality is improved, defec...

    Lihui **, Yutian Wang, Guorui Wang… in Advances in Mechanical and Electronic Engi… (2012)

  17. No Access

    Article

    Rare earth do** effect on the optical properties of several fluorescence materials

    Based on the optical properties of rare earth fluorescence materials, a set of fluorescence optical fiber systems was designed. The system selects the emitting LED, which is economical and practical as a light...

    ShuTao Wang, DongSheng Wang, YuTian Wang… in Science China Physics, Mechanics and Astro… (2012)

  18. Article

    Open Access

    Magnetic Mn5Ge3 nanocrystals embedded in crystalline Ge: a magnet/semiconductor hybrid synthesized by ion implantation

    The integration of ferromagnetic Mn5Ge3 with the Ge matrix is promising for spin injection in a silicon-compatible geometry. In this paper, we report the preparation of magnetic Mn5Ge3 nanocrystals embedded insid...

    Shengqiang Zhou, Wenxu Zhang, Artem Shalimov, Yutian Wang… in Nanoscale Research Letters (2012)

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  19. No Access

    Chapter and Conference Paper

    Multi-source Separation Using over Iterative Empirical Mode Decomposition

    In this paper, we propose a novel multi-source fundamental frequency estimation method for music signals which is based on over iterative empirical mode decomposition (EMD). Multi-source fundamental frequency ...

    Yutian Wang, Hui Wang, Qin Zhang in Intelligence Computation and Evolutionary Computation (2013)

  20. No Access

    Chapter and Conference Paper

    Beat Analysis Based on Autocorrelation Phase Matrix

    Rhythmic information has been used in the analysis of acoustic music widely, in which the onset extraction and beat tracking technology take the fundamental position. In this paper, we present a novel approach...

    Yanzhu Gong, Bing Zhu, Hui Wang, Yutian Wang in Proceedings of the 2012 International Conf… (2013)

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