varioles

Their most distinguishing outlook is the spherolitic structure.

外观最醒目特征是具有球颗构造，从化学成分和岩浆性质分析，球颗构造是成岩过程中岩浆不混溶的直接产物。

Measuring the motion of spherical ceramic particles in a vertical duct by PIV to provide theory for the process of heat exchanging in the down flow tube reactor.

利用PIV技术对陶瓷球颗粒在竖直管内的流动进行测量,为下降管中流动混合过程热交换规律的研究提供理论支持。