澳大利亚将电厂粉煤灰中漂浮在水上部分的微粒称作“空心微珠”(Cenospheres)。过去的研究者们对“空心微珠”一词如何得来有着不同的看法,派德劳认为它们是“空心的”或“空的微珠”(empty sphere),而莫里森则认为“Ceno”表示“新”,“sphere”表 Australia refers to particles floating in the water section of power plant fly ash as “Cenospheres.” Past researchers have different views on how the term “cylinder beads” comes from. Paid Drew thinks that they are “hollow” or “empty sphere,” and Morrison thinks that “ Ceno“ means ”new“, ”sphere" table