The so called contactless attachment happens just in case of hydrophilic particle-bubble system in proper conditions and is harmful to normal flotation.

所谓无接触粘着仅在一定条件下发生于亲水矿粒-气泡体系；无接触粘着对浮选过程的正常进行有害。

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The hydrophobic shell possesses a netlike or porous structure, which ensures the hydrophilic core accessible and enables the particle to be compatible with both water and oil phases.

壳层的网状或泡孔型结构使得亲水性核可与外界接触，从而使粒子与水相和油相都相容。

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