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  1. No Access

    Article

    From digital Earth to smart Earth

    This article will analyze the achievements of the digital Earth concept and further introduce two key technologies, the internet of things and cloud computing. Both these technologies are accelerating the deve...

    Deren Li, Yuan Yao, Zhenfeng Shao, Le Wang in Chinese Science Bulletin (2014)

  2. Article

    Open Access

    A supramolecular gel based on an adenine symmetrically grafted Anderson-type polyoxometalate complex

    An Anderson-type polyoxometalate was covalently decorated by using adenine on both sides. Through cation substitution, we obtained a new hybrid building block with long alkyl chains for supramolecular gels. Ac...

    ZhenFeng He, Hui Ai, Bao Li, Li**n Wu in Chinese Science Bulletin (2012)

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  3. No Access

    Article

    Advances in the synthesis and reactivity of 2-pyranylidene carbene complexes

    Pyranylidene carbene complexes bearing a pyran ring carbene ligand represent a unique kind of organometallic species due to their special structures and reactivity. In this review, we present a comprehensive s...

    QiFeng Wang, Wen**ong Zhang, Chen Lin, ZhenFeng ** in Chinese Science Bulletin (2010)

  4. Article

    Open Access

    Subty** of type A influenza by sequencing the variable regions of HA gene specifically amplified with RT-PCR

    The outbreak of a novel influenza A (H1N1) virus across the globe poses a threat to human health. It is of paramount importance to develop a rapid, reliable and inexpensive diagnostic procedure. Based on the b...

    An Yan, GuoHui Ding, ZhenFeng Zhou, Hui Dong, YaKun Zhang… in Chinese Science Bulletin (2009)

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  5. No Access

    Article

    The role of CopG mediated DNA bending on the regulation of the σ54-dependent promoters in E. coli

    In order to investigate the role of DNA bending on the regulation of σ54-dependent promoters, we introduced the CopG binding site between the enhancer-like element and the core promoter of glnAp2, nifLp and glnHp...

    Yancheng Chen, Ence Yang, Zhenfeng Liu, Zhexian Tian… in Chinese Science Bulletin (2006)

  6. No Access

    Article

    Study of the reactivity of radical-molecular addition reaction using density functional theory

    The reactivity of radical-molecular addition reaction was studied in terms of density-functional theory (DFT) and Hartree-Fock theory (HFT). It was found that the DFT method can give more accurate estimated re...

    Guichang Wang, Zhenfeng Shang, Zuoyin Yang, Yinming Pan… in Chinese Science Bulletin (2001)

  7. No Access

    Article

    Ab initio MO study of reaction mechanism for carbonyl migration of Co complex

    Ab initio method under the effective core potential (ECP) approximation is employed to study the reaction mechanism of carbonyl migration of the cycle of olefin hydroformylation catalyzed by a ca...

    Ming Lei, Wenlin Feng, Zhenfeng Xu in Chinese Science Bulletin (2000)