Characterization of vegetation and the arbuscular mycorrhizal fungi community in soils impacted by gold mining in Colombia

Mining extraction has a substantial impact on soil and vegetation cover.However, little is known about its effect on the flora and microorganisms associated with these environments.Arbuscular Mycorrhizal Fungi (AMF) form associations with plants, improving their development in environments contaminated with heavy metals, among other benefits.Native

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Numerical simulation of plane flow field and the force on the inner rod induced by planetary motion of the rod string

In order to a the flow of the plane flow field induced by the inner rod rotates and revolves BLOND STUDIO MAJIMECHES STEP 2 in the cylinder, the Fluent software is used to numerically simulate the plane flow field of the eccentric annulus generated by the planetary motion of the rod string and based on the superposition principle.The velocity distr

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