例句與造句

1. He spent a one-year sabbatical at the University of Swansea studying the effects of polysilicates on mammalian cells, and published papers on the uptake of silicic acid by rat liver mitochondria.
2. He showed that silicon activates the gene coding for the polymerase enzyme that copies diatom DNA . He was also interested in the toxic and pathological effects of polysilicates, such as talc and asbestos, on mammalian cells in tissue culture, and was the first to do tissue culture at Scripps.
3. It's difficult to find polysilicates in a sentence. 用polysilicates造句挺難的