The so called contactless attachment happens just in case of hydrophilicparticle-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。
2
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.