除去土壤游离氧化铁和无定形氧化铁后，土壤对磷的吸持容量显著下降。
After removing free Fe oxides and amorphous Fe oxides from the soil, the phosphate sorption capacity of the soil decreases markedly.
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 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.
讨论了物理化学因素，特别是结构特征和游离氧化铁的胶结作用，对力学性质的重大影响。
The significant effect of various physicochemical factors, especially the structure characteristics and cementation of free ferric oxide on the mechanical properties is reviewed.
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 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 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;
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