如果这个组件已被钙藻严重复盖，浸泡这些零件在温和的酸性溶液例如醋是必要的。
Soaking these parts in a mild acid solution such as vinegar may be necessary if there is an extreme amount of calcium buildup.
西伯利亚地台的新元古代到早寒武世间的钙藻化石特别丰富，为研究钙藻化石的发育历史提供了模式。
The Siberian Platform is the model for studies of a history of development of calcareous algae that appeared in abundance at the transition from the Late Proterozoic to the Early Cambrian.
软体动物，甲壳纲动物，甚至珊瑚藻都需在其身体结构生长中用上钙，而海水酸度变高则会阻碍这一过程。
Mollusks, crustaceans, and even coralline algae are among theliving things that use calcium in their structures, a process that could beimpeded by higher acidity levels in seawater.
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