pozzolana

pozzolana读音音标

英 [ˌpɒtswə\'lɑ:nɑ:]

美 [ˌpɒtswə\'lɑnɑ]

pozzolana意思解释

n.

火山灰（可用作水泥原料）；

英英释义

Pozzolana, also known as pozzolanic ash (pulvis puteolanus in Latin), is a siliceous or siliceous and aluminous material which reacts with calcium hydroxide in the presence of water at room temperature (cf. pozzolanic reaction).

双语例句

用作名词(n.)This mixture of pozzolana and lime was then added to an aggregate.人们把火山灰与石灰的混合物加到集料中。Since no other volcano lava or pozzolana are found nearby, so we may exclude the possibility that ringed mountains are volcano craters.而由于相关地带没有发现火山熔岩或火山灰分布，可以排除环形山是火山口的可能。