氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
浮沫在水与磷酸盐或磷相结合时便会形成——而含有磷酸盐和磷可生物降解的洗涤剂是其主要原因，里贝罗说。
The foam forms when water mixes with phosphate and phosphorus-ingredients found in products such as biodegradable detergents, Ribeiro said.
铜硫矿石中的矿物在碎磨过程中，解离特性和可浮性存在一定差异。
The liberation characteristic and flotability of main minerals in Cu-S ores were different from each other after grinding.
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