This paper measured the loess-red clay sequences magnetic susceptibility (X_l), frequency magnetic susceptibility(X_(fd)), carbonate, organic matter and free iron oxide content in the Xifeng section, and primary reconstruct palae-climate change by carbonate and free iron oxide content.
本文测定西峰剖面黄土-红粘土系列中的磁化率、频率磁化率、碳酸盐、有机质和游离铁含量，并通过碳酸盐和游离铁值来初步恢复古气候变化特征。
参考来源 - 西峰剖面夏季风替代性指标研究及古气候重建·2,447,543篇论文数据，部分数据来源于NoteExpress
The free iron oxide content in clay in every mountain is higher in the mountain yellow soil than that in the mountain latored soil and mountain red soil.
粘粒的游离氧化铁含量，每个山体均是山地黄壤高于山地红壤和山地赤红壤。
The paper illuminates the existing state of free iron oxide in red clay in the view of collochemistry, pointing out the interaction mechanism between them is the adsorption of collochemistry;
从胶体化学的角度阐明游离氧化铁在红粘土中的赋存状态，指出它们之间的相互作用机理是胶体化学吸附作用；
The assumption is made that if there is no detectable free iron, the metal surface is clean enough for a uniform oxide film to develop.
假定如果没有探测到游离铁，则金属表面就是足够清洁以形成均一的氧化物膜的。
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