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  1. No Access

    Article

    Effects of simulated microgravity on the alkaline phosphatase activity and intracellular calcium concentration of cultured chondrocytes

    The effects of simulated microgravity on matrix mineralization of chondrocytes were examined using cultured chicken embryonic chondrocytes as the model. In four days, there was a time course decrease in alkali...

    **aobing Li, Shuzhang Yang, Shengguang Li, Peidong Jiang in Chinese Science Bulletin (1999)

  2. No Access

    Article

    Effects of simulated microgravity on the cell growth and extracellular matrix of cultured chondrocytes

    The effects of simulated microgravity on cell growth and extracellular matrix of chondrocytes have been examined by a light microscope and a scanning electron microscope using cultured chicken embryonic chondr...

    Shuzhang Yang, **aobing Li, Shengguang Li, Peidong Jiang in Chinese Science Bulletin (1999)

  3. No Access

    Article

    An H2O flare in GGD25

    We report the observing results of a short time scale monitoring of the 22 GHz water maser emission in GGD25. A rapid water maser outburst with the time scales of 4 d has been detected, and the variations are ...

    Ye Xu, **ngwu Zheng, Dongrong Jiang, Fujun Zhang, Zhiyao Yu in Chinese Science Bulletin (2001)

  4. No Access

    Article

    Polymorphisms of chemokine receptors and its ligand alleles influencing genetic susceptibity to HIV-1 infection in eight ethnic groups in Chinese mainland

    Limited genetic information is available concerning the polymorphisms of HIV-1 resistant genes in indigenous Chinese populations. The aim of this study is to identify the allelic frequencies of the chemokine and ...

    Fusheng Wang, Lei **, Mingxu Liu, Weiguo Hong, Hong Shi in Chinese Science Bulletin (2001)

  5. No Access

    Article

    Research on crystal growth and properties of a new nonlinear optical crystal: Bismuth borate BiB3O6

    BiB3O6 (BIBO) single crystals with sizes of 44 mm × 24 mm × 10 mm and weight of 24.7 g have been successfully grown by the top-seeded method. In this note, the preparation of seed, the growth of crystal and some ...

    Bing Teng, Jiyang Wang, Zheng** Wang, Huaidong Jiang in Chinese Science Bulletin (2001)

  6. No Access

    Article

    Direct observation of the clockwise light-driven rotation of F0F1-ATP synthase complex

    The purified thermophilic bacterium PS3 F1β10 ×His-tag is inserted into the F0F1-ATP synthases of chromatophores isolated from photosynthetic bacteria Rhodospirillum rubrum. The studies of biochemical properties ...

    Yuanbo Cui, Yinghao Zhang, Jiachang Yue, Peidong Jiang in Chinese Science Bulletin (2004)

  7. No Access

    Article

    Study on temperature characteristics of organic light-emitting diodes based on tris-(8-hydroxylquinoline)-aluminum

    Both single-layer and double-layer organic light-emitting devices based on tris-(8-hydroxylquinoline)-aluminum (Alq3) as emitter are fabricated by thermal vacuum deposition. The electroluminescent characteristics...

    Fan Suo, JunSheng Yu, WeiZhi Li, ShuangLing Lou, **g Deng in Chinese Science Bulletin (2008)

  8. No Access

    Article

    Influences of fluorine auxochrome in fluorene molecular electroluminescent material on optoelectronic property

    The UV-Vis absorption and photoluminescence (PL) spectra of 2,3-bis(9,9-dihexyl-9H-fluoren-2-yl) quinoxaline (Py), 2,3-bis(9,9-dihexyl-9H-fluoren-2-yl)-6,7-difluoroquinoxaline (F2Py) and 2,3-bis(9,9-dihexyl-9H...

    ShuangLing Lou, JunSheng Yu, YaDong Jiang, GuoJun Guo in Chinese Science Bulletin (2008)

  9. No Access

    Article

    Polaron-pair-dependent equivalent circuit parameters of organic solar cells based on CuPc and C60

    We present the current-voltage characteristics of organic solar cells based on single and double heterojunction of copper phthalocyanine (CuPc) and C60 by introducing a constant J P instea...

    Jiang Huang, JunSheng Yu, Hui Lin, YaDong Jiang in Chinese Science Bulletin (2010)

  10. No Access

    Article

    Determination of the controlled landing trajectory of Chang’E-1 satellite and the coordinate analysis of the landing point on the Moon

    Based on the tracking observations of radio ranges and VLBI delays of Chang’E-1 (CE-1) satellite during the controlled landing on the Moon on March 1, 2009, the landing trajectory and the coordinates of the la...

    **Ling Li, Li Guo, ZhiHan Qian, DongRong Jiang, WeiMin Zheng in Chinese Science Bulletin (2010)

  11. No Access

    Article

    Red organic light emitting device with improved performance using a novel fluorescent dye codoped with phosphor-sensitizer

    Efficient red organic light-emitting device consisted of a compound fluorescent-phosphor-sensitized emission layer was fabricated. A novel red fluorescent dye, 3-(dicyanomethylene)-5,5-dimethyl-1-(4-dimethylam...

    Wen Wen, JunSheng Yu, Yuan Hu, YaDong Jiang in Chinese Science Bulletin (2010)

  12. Article

    Open Access

    Improvement of orbit determination for geostationary satellites with VLBI tracking

    China’s COMPASS satellite navigation system consists of five or more geostationary (GEO) satellites. The roles of GEO satellites are to improve the regional user’s positioning accuracy and provide the continuo...

    Yong Huang, **aoGong Hu, **uZhong Zhang, DongRong Jiang in Chinese Science Bulletin (2011)

  13. Article

    Open Access

    Shock wave compression of poled Pb0.99[(Zr0.90Sn0.10)0.96Ti0.04]0.98Nb0.02O3 ceramics: Depoling currents in axial and normal modes

    We used a 100-mm diameter gas gun to investigate the output currents due to the sudden depolarization of poled Pb0.99-[(Zr0.90Sn0.10)0.96Ti0.04]0.98Nb0.02O3 ceramics under shock wave compression. We conducted sho...

    DongDong Jiang, **Mei Du, Yan Gu, YuJun Feng in Chinese Science Bulletin (2012)

  14. Article

    Open Access

    Precise positioning of the Chang’E-3 lunar lander using a kinematic statistical method

    A kinematic statistical method is proposed to determine the position for Chang’E-3 (CE-3) lunar lander. This method uses both ranging and VLBI measurements to the lander for a continuous arc, combing with prec...

    Yong Huang, **aoGong Hu, PeiJia Li, JianFeng Cao in Chinese Science Bulletin (2012)

  15. No Access

    Article

    Gas sensors for CO2 detection based on RGO–PEI films at room temperature

    In this paper, polyethyleneimine (PEI) and reduced graphene oxide (RGO) were selected as sensing materials for carbon dioxide detection. Two kinds of sensors with different sensitive film structures, i.e., RGO...

    Yong Zhou, Yadong Jiang, Guangzhong **e, Mei Wu, Huiling Tai in Chinese Science Bulletin (2014)

  16. No Access

    Article

    Detection of 2,4-dinitrotoluene using hydrogen-bond acidic polymer coated SAW sensor

    A strong hydrogen-bond acidic (HBA) polymer linear fluoroalcoholic polysiloxane (PLF), synthesized by one-step hydrosilylation, was introduced for 2,4-dinitrotoluene (2,4-DNT) detection using surface acoustic ...

    Yang Wang, **aosong Du, Yin Long, Huiling Tai, Yadong Jiang in Chinese Science Bulletin (2014)