1、chemically active film former
2、chemically active plasticizer
3、chemically active fluid
4、These chemically active ferments cause havoc.
5、Zinc is a chemically active metal, but its corrosion products are generally dense and adherent.
6、chemically activepigment
7、Some researchers have argued that life could have begun around deep-sea hydrothermal vents, where a warm, chemically active, and mineral-rich broth spews from the ocean floor.
8、This implies that the moon is chemically active -- via a process called "cold grain chemistry" -- and also has a water cycle.
9、biochemically active system