• 河北平原南部曲周地区全新世地层埋藏深度、地层厚度堆积速率颜色粒度结构含量与等方面,与河北平原其他地区不同

    The Holocene stratum of Quzhou district is quite different from other areas of Hebei Plain in terms of the buried depth, thickness, depletion rate, color, grain size, structure and pollen assemblages.

    youdao

  • 目前方法表土鉴定水平都十分困难,因此造成依据花图谱进行植被重建的时候出现无法矫正的误差。

    We developed a new approach to identification of Chenopodiaceous pollens in surface soils to the species level while current palynological methods have less ability to do so even at a genus level.

    youdao

  • 空气中花调查研究气传应用学科愈来愈受到临床医学界重视

    The investigation of airborne pollen grains belongs to the applied aeropalynology, which is getting more and more attention in clinical medical subject.

    youdao

  • 突变以及还原硫含量变化水体深度比较敏感,划分深水环境层边界以及体系域的良好指标。

    The abrupt changes in spore-pollen species and in the content of reduction sulfur are sensitive to water depth, and can be used as indicators for sequence boundaries and system tracts.

    youdao

  • 据初步统计,已有71019之多,且霸王龙、鸭咀龙、蜥脚类及轮藻、痕迹化石共生。

    The fossil dinosaur eggs included 19 species assinged to 10 genera belonged 7 families. They are assosiated with Hadrosaurs, Tyrannosaurs, Sauropods, Charophytes, Sporopollen and trace fossils et al.

    youdao

  • 通过济宁唐阳井煤田古生代岩系中的化石研究,共鉴定出化石71177

    Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.

    youdao

  • 通过济宁唐阳井煤田古生代岩系中的化石研究,共鉴定出化石71177

    Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.

    youdao

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