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  1. No Access

    Article

    Changes in ultraweak luminescence from living fish induced by three chemicals

    Wang Yingyan, Ma Yuqin, Li Da, Li Shenxun in Bulletin of Environmental Contamination an… (1991)

  2. No Access

    Article

    Application of remote sensing technique to the investigation on reed resources of Bosten Lake

    It is efficient and reliable to investigate the reed resources of Bosten Lake in **njiang, characterized by complicated types of reed land and very different reed growth using colour infrared aerial photos, La...

    Runkui Hua, Yuqin Li in Chinese Geographical Science (1992)

  3. No Access

    Article

    Influence of rain and sulphur dioxide on low level chemiluminescence from leaf of Populus tomentosa

    Ma Yuqin, Zhao Kejian, Zhang Zhonglun in Bulletin of Environmental Contamination an… (1992)

  4. No Access

    Article

    Investigation of tumorigenic effect on ultraweak luminescence from nude mouse for animal model

    With nude mouse for animal model, this paper has investigated its whole body luminescence after or before it was inoculated with tumor, and the relationship between tumorigenesis and the luminescence, then, st...

    Yuqin Ma, Xueling Song, Kejian Zhao, Zhonglun Zhang in Chinese Journal of Cancer Research (1992)

  5. No Access

    Article

    Thermal properties and morphology of crystal in nylon 1010 formed isothermally at melting peak temperature

    Thermal properties and morphology of crystal in NYLON 1010 formed isothermally at melting peak temperature were studied by using DSC, TEM and ED. It turns out that the crystal on the time scale of the DSC expe...

    Fu Shuren, Zhang Guanghua, Tan Qun, Yang Yuqin in Journal of Thermal Analysis (1993)

  6. No Access

    Article

    Dynamic changes of ITO cells in experimental liver cirrhosis of rat

    That Ito cells in rat liver express desmin was confirmed by immunohistochemical technique. Consequently, changes of desmin- positive cells, lysozyme- positive cells and fibronectin were further studied in expe...

    **gmin Zhao, Yuee Zhang, Sinhe Wang, Weirong Zhai in Chinese Journal of Cancer Research (1993)

  7. No Access

    Article

    The introduction ofCornus stolonifera and its propagation techniques

    Cornus stolonifera is a ornamental tree species which was introdced to China in 1982. During the period of ten-year experiment a complete and systematic study on its botanical features, biologica...

    Gu Shufen, Men Yuqin, Li Changhai, Liu Wei in Journal of Northeast Forestry University (1994)

  8. No Access

    Article

    SO2-lnduced change of spectrum in low-level chemiluminescence from leaf of Populus tomentosa

    M. Yuqin, Z. Zhonglun, S. Zhen, M. Bin in Bulletin of Environmental Contamination an… (1995)

  9. No Access

    Article

    A primary study of the correlastions between human leukocyte antigen (HLA) and osteosarcoma

    Objective: To study the correlations between human leukocyte antigen (HLA) and osteosarcoma in Chinese Han nationality. Methods: The frequencies of HLA-A, B, DR, DQ locus antigens were tested in a group of 25 ...

    Weibin Zhang, Jiong Luo, Caiwei Shen, Tidong Cai in Chinese Journal of Cancer Research (1998)

  10. No Access

    Article

    Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for polymer analysis: solvent effect in sample preparation

    The success of matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry for the characterization of polymer structures and for the determination of average molecular weights and...

    Talat Yalcin, Yuqin Dai, Liang Li in Journal of the American Society for Mass Spectrometry (1998)

  11. No Access

    Article

    Observations of nonlinear oscillation phenomena in metallic solids

    A great number ofin situ observations proved that at normal temperature and pressure there exists a nonlinear oscillation phenomenon in the solid alloys. This kind of oscillation phenomenon exhibits fluid-like ch...

    Houxiu Gao, Yuqin Yang, **gwu Yang, Anwei Liu in Chinese Science Bulletin (1999)

  12. No Access

    Article

    Inhibition of metastasis to lung of a human nasopharyngeal carcinoma cell line CNE- 2L2 transfected with pRc/ CMV-antisense 6A8 cDNA in nude mice

    The growth of CNE-2L2 cell, a cloned line of human nasopharyngeal carcinoma with a high potentiality of metastasis to lung was inhibited to a certain extent after transfection with a recombinant antisense expr...

    Lixin Zhang, Yuqin Liu, Fengrong Ma, Pei Gu in Science in China Series C: Life Sciences (1999)

  13. No Access

    Chapter

    Lipopeptide preparation and analysis

    Lipophilic peptides and proteins present specific problems during preparation and analysis which require the use of modified methodology. This chapter discusses some of the methods that have been employed in t...

    Jan Johansson, Margareta Stark, Magnus Gustafsson in Proteomics in Functional Genomics (2000)

  14. No Access

    Chapter and Conference Paper

    Agent-Mediated Language-Learning Environment Based on Communicative Gaps

    This paper focuses on the problem of language transfer in foreign language learning. The transfer caused by the difference between learner’s mother language and target language, often leads a communicative gap. T...

    Hiroaki Ogata, Yuqin Liu, Youji Ochi, Yoneo Yano in Intelligent Tutoring Systems (2000)

  15. No Access

    Article

    High-temperature Thermoelectric Properties of the Ca1-xBixMnO3 System

    Polycrystalline samples of Ca1-xBixMnO3 (0.02 ≤ x ≤ 0.20) were studied by means of x-ray diffraction, electrical resistivity (ρ), thermoelectric power (S), and thermal conductivity (κ) at high temperature. Bi dop...

    Gaojie Xu, Ryoji Funahashi, Ichiro Matsubara in Journal of Materials Research (2002)

  16. No Access

    Article

    Chemical synthesis and characterization of Cu doped ZnS nano-powder

    Haiming Zhang, Zhijian Wang, Ligong Zhang, Yuqin Li in Journal of Materials Science Letters (2002)

  17. No Access

    Article

    Trisecting a parallelogram

    It has been proved that if a rectangle is dissected into three congruent pieces, then those pieces must themselves be rectangles. In the present paper this result is generalized to the case of parallelogram.

    Li** Yuan, Yuqin Zhang, Ren Ding in Applied Mathematics-A Journal of Chinese Universities (2002)

  18. No Access

    Article

    Abundance gradients in the galactic disk

    The relationship between abundances and orbital parameters for 235 F- and G-type intermediate- and low- mass stars in the Galaxy is analyzed. We found that there are abundance gradients in the thin disk in bot...

    Chenzhou Cui, Yuqin Chen, Gang Zhao in Science in China Series G: Physics, Mechan… (2003)

  19. No Access

    Article

    Approach to synthesis and structure of chiral multi-functionalized organophosphorus derivatives

    The diastereomerically pure organophosphorus derivatives containing multiple chiral centers 5 and 5′ were obtained, respectively, in 62%–84% yields with ≥98% de (diastereomeric excess) via asymmetric reaction ...

    Yuqin Fu, Xue’e Fan, Jiange Wang, Haixia Kang, Qinghua Chen in Chinese Science Bulletin (2003)

  20. No Access

    Article

    Simple and sensitive assay for nucleic acids by use of the resonance light-scattering technique with copper phthalocyanine tetrasulfonic acid in the presence of cetyltrimethylammonium bromide

    On the basis of enhancement of resonance light scattering (RLS) of copper phthalocyanine tetrasulfonic acid (CuTSPc) by nucleic acids and cetyltrimethylammonium bromide (CTMAB) under suitable conditions, a new...

    Yongxin Li, Yuqin Wu, **long Chen, Changqin Zhu in Analytical and Bioanalytical Chemistry (2003)

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