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Lyu Chuangxin Nishimura Satoshi Amiri Seyed Ali Ghoreishian Zhu Feng Eiksund Gudmund Reidar Grimstad Gustav 《Acta Geotechnica》2021,16(12):3831-3847
Acta Geotechnica - A systematical testing program on frozen Onsøy clay under isotropic loading and undrained shearing at different temperatures... 相似文献
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Amato Giorgia Andò Edward Lyu Chuangxin Viggiani Gioacchino Eiksund Gudmund Reinar 《Acta Geotechnica》2022,17(1):327-338
Acta Geotechnica - This short paper proposes time-series x-ray tomography as a valuable tool for quantifying freezing processes in a remoulded clay. As an example, three simple closed system... 相似文献
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东海盆地西湖凹陷花港组砂岩储层作为西湖凹陷的重要勘探目的层,储层非均质性研究至关重要,笔者等基于储层成岩作用和成岩演化分析,明确中央反转带南北差异,进一步分析其差异成因。研究结果表明,北部地区具有更强的压实作用和溶蚀作用,纵向上以3500 m和4000 m为界划分为酸性、酸碱过渡和碱性3个成岩带,经历两期硅质胶结和三期钙质胶结;而南部地区埋深浅、地温低,仅具有两期钙质胶结,纵向上以4000 m为界划分为酸性和碱性两个成岩带;由于北部地区具有更多的岩浆岩母源贡献使得储层抗压实能力较差,遭受压实更强,但烃源岩较强的生烃强度使得储层遭受溶蚀作用更强,因此北部地区花港组储层具有低孔高渗的特征。该研究对优质储层发育研究和甜点预测具有重要意义。 相似文献
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Liangyuan Zhao Chi Zhu Chuangxin Gao Jinhui Jiang Jiaoyan Yang Shao Yang 《Environmental Earth Sciences》2011,64(2):581-588
Capability of three species of aquatic macrophytes to remediate pentachlorophenol (PCP)-contaminated sediments starting with
initial concentration of 2,000 μg kg−1 dw (dry weight) was investigated. Negative effect of PCP on the plant growth, chlorophyll contents and root activities (p > 0.05) of the three species of aquatic macrophytes during remediation was not observed. PCP removal was significantly enhanced
in the phytoremediated sediments in comparison with the control sediments after 90 days treatment (p < 0.05), and the removal rates of PCP in the sediments planted with P. communis Trin, T. orientalis and S. validus Vahl were 90.35 ± 0.03, 99.23 ± 0.02 and 99.33 ± 0.01%, respectively, while the rate was 29.87 ± 0.05% in the control sediments.
Bioaccumulation by three macrophytes was confirmed; the maximum PCP contents in the roots of P. communis Trin, T. orientalis and S. validus Vahl were 419.50 ± 0.71, 1,833.33 ± 7.37 and 2,090.00 ± 2.65 μg kg−1 at the 30th day, respectively. In conclusion, P. communis Trin, T. orientalis and S. validus Vahl may act as promising tools for the PCP phytoremediation in aquatic environment, especially S. validus Vahl. 相似文献
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