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243 Result(s)

within ** **ang Zhang Remove this filter Earth Sciences, general Remove this filter Science, Humanities and Social Sciences, multidisciplinary Remove this filter

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  1. No Access

    Article

    Lithospheric thermal-rheological structures of the continental margin in the northern South China Sea

    Thermal structures of three deep seismic profiles in the continental margin in the northern South China Sea are calculated, their “thermal” lithospheric thicknesses are evaluated based on the basalt dry solidu...

    **aobin Shi, Di Zhou, Yixiang Zhang in Chinese Science Bulletin (2000)

  2. No Access

    Article

    Geologic relationships and geochronology of the Cenozoic volcanoes and interbedded weathered mantles of Yulinshan in Qiangtang, North Tibet

    The Yulinshan accumulations of volcanic rocks and interbedded weathered mantles provide a unique chance for studying the processes and environment of the formation of the planation surface in central Tibetan P...

    Lin Ding, Yong Zhou, **gjiang Zhang, Wanming Deng in Chinese Science Bulletin (2000)

  3. No Access

    Article

    Development features and original altitude of a karst planation surface: Preliminary review

    Traditional theories of geographical cycle and pediplain cannot describe correctly the development of planation surfaces in karst regions. Authors, therefore, put forward conception of karst planation and kars...

    Dewen Li, Zhijiu Cui, Qiang Zhang, Baoqi Ma in Chinese Science Bulletin (2001)

  4. No Access

    Article

    Use of suppression subtractive hybridization strategy for cloning and identifying specifically expressed genes of renal cell carcinoma

    Using suppression subtractive hybridization, a renal cell carcinoma (RCC) cDNA subtractive library which only contains differently expressed cDNAs between human RCC and normal kidney has been constructed. 200 ...

    Qiang Zhang, Zhiwen Zhang, Kan Gong, Dianqi **n, Yanqun Na… in Chinese Science Bulletin (2001)

  5. No Access

    Article

    A kind of coccoid dinoflagellates-like fossils gives a new explanation of source of dinosterane in the Early-Middle Cambrian

    The coccoid fossils covered with thick gelatinous envelop containing several gametes are discovered in gyps and salt deposits of Cambrian, H4well and chert bed of the base of Yuertus Formation (∈ ...

    Lizeng Bian, Shuichang Zhang, Baomin Zhang, Shaozhi Mao… in Chinese Science Bulletin (2001)

  6. No Access

    Article

    Magnetostratigraphy and pavleo-environmental record of Tertiary deposits of Lanzhou Basin

    The Tertiary deposits of the Yongdeng section, the Lanzhou Basin were studied by means of magnetostratigraphy. The magnetostratigraphic sequences from Paleocene to Miocene were established, and the time scale ...

    Le** Yue, F. Heller, Zhanxiang Qiu, Li Zhang, Guangpu **e… in Chinese Science Bulletin (2001)

  7. No Access

    Article

    AM1 andab initio studies on the internal reorganization energy of self-exchange electron transfer reactions of several quinone derivatives

    The semiempirical AM1 method, ab initio (HF/3-21G, 6-31G, 6-31G(d), 6-31+G(d)) and DFT (B3LYP/6-31G(d), 6-31+G(d)) methods were used to optimize the geometry of DDQ and its anion radical ⋯ ⋯ Nelsen’s model was...

    Shuhua Ma, **aodong Zhang, Hong Xu, **ngkang Zhang… in Chinese Science Bulletin (2001)

  8. No Access

    Article

    A study of the microstructure of CTAB/1-butanol/octane/ water system by PGSE-NMR and Cryo-TEM

    In this work, the effect of octane concentration on the phase behavior of CTAB/water/1-butanol system was studied by using pulsed field gradient spin-echo NMR measurements and freeze fracture electron microsco...

    Jian Xu, Ganzuo Li, Limin Zhai, Qiang Shen, Zhiqiang Zhang in Chinese Science Bulletin (2001)

  9. No Access

    Article

    Structures and stability of (HAlNH n (n=1–15)

    The geometries, electronic states, vibrational spectra and thermodynamic properties for (HAINH) n clusters withn=1–15 have been investigated using theab initio DFT/B3LYP method ...

    Haishun Wu, Congjie Zhang, **aohong Xu, Fuqiang Zhang… in Chinese Science Bulletin (2001)

  10. No Access

    Article

    Cloning and functional research of renal cell carcinoma related novel gene—GYLZ-RCC18

    After the renal cell carcinoma related novel gene fragmentGYLZ-RCC18 was cloned by using suppression subtractive hybridization (SSH), we used the SMART RACE technology to clone the full length ofGYLZ-RCC18 and pe...

    Qiang Zhang, Lin Chen, Junkui Ai, Lee Chung, Lili Liang… in Chinese Science Bulletin (2001)

  11. No Access

    Article

    The δ18O variation of a stalagmite from Qixing Cave, Guizhou Province and indicated climate change during the Holocene

    A stalagmite from Qixing Cave, Guizhou Province was dated with the TIMS U-series method and its oxygen isotope composition was analyzed. On the basis of the ages and the variations of the δ18O of the stalagmite, ...

    Yanjun Cai, Meiliang Zhang, Zicheng Peng, Yushi Lin… in Chinese Science Bulletin (2001)

  12. No Access

    Article

    Spectroscopic investigation on the telomeric DNA base sequence repeat

    Telomeres are protein-DNA complexes at the terminals of linear chromosomes, which protect chromosomal integrity and maintain cellular replicative capacity. From single-cell organisms to advanced animals and pl...

    Sichuan Xu, **cheng Ai, Zhaoyong Sun, Qiyuan Zhang… in Chinese Science Bulletin (2002)

  13. No Access

    Article

    High critical current density in powder-in-tube processed MgB2/Ta/Cu wire

    The magnetization of dense MgB2/Ta/Cu wires prepared by the powder-in-tube method is measured by a SQUID magnetometer. The results indicate that the critical temperature of MgB2/Ta/Cu is around 38.4 K with a shar...

    Yong Feng, Yong Zhao, A. K. Dradhan, Lian Zhou, … in Chinese Science Bulletin (2002)

  14. No Access

    Article

    Urotensin II increases endothelin production by vascular smooth muscle cells in rats

    The aim of this study was to observe the effects of urotensin II (UII) on production of endothelin (ET) in rat aortic vascular smooth muscle cells (VSMC). Cultured VSMCs incubated with various concentrations of U...

    Yongfen Qi, Dingfang Bu, Jun Yang, Zhaokang Zhang, Dadi Niu… in Chinese Science Bulletin (2002)

  15. No Access

    Article

    Structural characteristics of middle and southern Xainza-Dinggye Normal Fault System and its relationship to Southern Tibetan Detachment System

    The Xainza-Dinggye Normal Fault System (XDNFS) is a large-scale nearly-north-south trending extensional structure across central and southern Tibet. Its middle segment developed in Tethys Himalaya with feature...

    **jiang Zhang, Lei Guo, Lin Ding in Chinese Science Bulletin (2002)

  16. No Access

    Article

    σ-LET curve obtained with heavy ions accelerated by HIRFL

    σ-LET curve is one of the important factors for orbital SEU rate prediction. SEU cross sections of static random access memory (SRAM) IDT71256 were obtained with 35 MeV/u 36Ar ions and 15.14 MeV/u 136Xe ions, acc...

    Qingxiang Zhang, Mingdong Hou, Jie Liu, Honglou Zhen in Chinese Science Bulletin (2002)

  17. No Access

    Article

    Adrenomedullin inhibits the endothelin production induced by urotensin II in rat vascular smooth muscle cells

    The aim of this study was to observe the effects of adrenomedullin (ADM) on endothelin (ET) production induced by urotensin II (U II) in rat vascular smooth muscle cells (VSMCs). Cultured VSMCs which were incu...

    Yongfen Qi, Dingfang Bu, Jun Yang, Zhaokang Zhang, Yanrong Shi… in Chinese Science Bulletin (2002)

  18. No Access

    Article

    Decay dynamics of excited CS2 and NH3 investigated by femtosecond laser

    By using the home-made femtosecond laser system and the time-of-flight mass spectrometer, the decay dynamics of excited carbon disulfide (CS2) and ammonia (NH3) are investigated in real time by pump-probe multiph...

    Jianyang Zhang, Hong** Liu, Shuhui Ying, Bo Jiang, Dali Xu… in Chinese Science Bulletin (2002)

  19. No Access

    Article

    Carrier concentration profiling in magnetic GaMnSb/GaSb investigated by electrochemistry capacitance-voltage profiler

    Depth profiles of carrier concentrations in GaMnSb/GaSb are investigated by electrochemistry capacitance-voltage profiler and electrolyte of Tiron. The carrier concentration in GaMnSb/GaSb measured by this met...

    **ulan Zhang, Fuqiang Zhang, Shulin Song, Nuofu Chen… in Chinese Science Bulletin (2002)

  20. No Access

    Article

    The ecological sequence of Hipparion fauna in the middle reaches of the Yellow River during Neogene

    The faunal ecological type and sequence in the Tertiary red clay indicate that Hipparion fauna during the period 7.4–6.1 Ma in the middle reaches of the Yellow River is composed mainly of dorcadoides and mixed ty...

    Yunxiang Zhang, Le** Yue, Hongxia Cao in Chinese Science Bulletin (2002)

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