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  1. No Access

    Chapter and Conference Paper

    Ecological Security Assessment of Qinghai Province in China Based on a Pressure-State-Response Model

    A Pressure-State-Response (PSR) model framework was used to construct an ecological security assessment index system and to evaluate the degree of ecological security for Qinghai Province in China from 1996 to...

    Wang Fang**, Yao Buqing, Guo **g, Ma Li… in New Prospects in Environmental Geosciences… (2022)

  2. No Access

    Article

    Design of a downlink algorithm for rotary steering (logging while drilling) systems

    For logging while drilling (LWD) systems, it is necessary to adjust the working state of the downhole tools in real-time according to different operating conditions. In this paper, on the basis of the characte...

    Liang Yao, Wang Mei-Shan, Liu Peng, Zhu Bo, Ma Li, Sun Yan in Applied Geophysics (2020)

  3. No Access

    Article

    Parameter estimation of the stochastic AMR model and its application to the study of several strong earthquakes

    Based on the stochastic AMR model, this paper constructs man-made earthquake catalogues to investigate the property of parameter estimation of the model. Then the stochastic AMR model is applied to the study o...

    Wangli Feng, Ma Li, David Vere-Jones, Chen Shi-jun in Acta Seismologica Sinica (2004)

  4. No Access

    Article

    The N/P ratio in the Northern South Yellow Sea in autumn

    Study of horizontal and vertical distributions of the N/P (nitrogen versus phosphate) atom ratio in the northern South Yellow Sea showed that the ratio varied greatly in upper waters of the investigated area a...

    Lin Rong-gen, W. D. Yoon, Wu **g-yang… in Chinese Journal of Oceanology and Limnology (2002)

  5. No Access

    Article

    A review of heavy metal adsorption by marine algae

    Accumulation of heavy metals by algae had been studied extensively for biomonitoring or bioremediation purposes. Having the advantages of low cost raw material, big adsorbing capacity, no secondary pollution, ...

    Pan **-fen, Lin Rong-gen, Ma Li in Chinese Journal of Oceanology and Limnology (2000)