zinc is a chemically active metal, but its corrosion products are generally dense and adherent.
锌是一种化学性质活泼的金属,但它的腐蚀生成物一般有高的密度和附着力。
this implies that the moon is chemically active -- via a process called 「cold grain chemistry」 -- and also has a water cycle.
这暗示月球上有着活跃的化学反应——通过一个叫做「冷晶化学」的方式——并还有一个水循环过程。
agents controlling the metamorphism: temperature, pressure and chemically active fluid.
作用控制因素:温度、压力和化学活动性流体。
a process that removes surface scale and oxidation products by immersion in a chemically active solution, such as sulfuric or hydrochloric acid.
将产品浸在化学活性溶液中,如盐酸或硫酸,去除表面剥落层或氧化物。
it has also been proved through hydrogen peroxide quantitative analy. sis that the function in clearing free radical is mainly non—enzyme chemically active in nature.
作为一种良好的中药抗氧化剂,推测治疗慢性肾功能不全的作用机理之一,与清除自由基或减轻自由基引起的肾损害有关。