有机质、易还原锰和无定形铁对土壤铁、锰、铜、锌具明显的吸附富集效应。
An adsorption-enrichment effect of organic matter, reducible Mn and amorphous Fe on Fe, Mn, Zn and Cu was observed in the soil.
目的：观察针刺大鼠胃经沿线脂肪条带结构富集针刺镇痛效应物质的作用。
Objective: to observe if the fat strip structure along the stomach meridian of acupunctured rats have special effects to enrich effective substance of acupuncture analgesia.
通过区位样本、周期样本和特殊样本的设置，落点于我国知识产权富集区域政策溢出效应研究的决策应用价值。
By setting up the location samples, periodical samples and special samples, the application of the study on the policy overflow effect has be...
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