We also can supply active silica powder of every specification, Sediment time not lower than 45 minutes.
我公司对各种规格的硅微粉均可提供活性硅微粉，沉降时间不少于45分钟。
2
These results indicated that the microbial metabolisms, which may include some new metabolic pathway, were active in the s and CH4 cycles in deep sediment of "warm pool".