self-purification

n.

自然净化；

SELF-PURIFICATION
Self-purification
Phenomenon of optical self-purification of chiral non-racemic compounds
Evaluation of the Self-purification Capacity in the Southern Waters of the East Sea in Summer
Basic Properties of Environmental Mineral Materials: Natural Self-purification of Inorganic Minerals
Effects of pulp and paper mill effluents on the microplankton and microbial self-purification capabilities of the Biobio River, Chile.
Distribution coefficients of protein impurities in ferritin and lysozyme crystals Self-purification in microgravity
A Novel in Situ Oxidization–Sulfidation Growth Route via self-Purification Process to β -In 2 S 3 Dendrites
Impact of dam construction on water quality and water self-purification capacity of the Lancang River, China.
Self-purification ability of a resurgence stream