tube stock
2.Through an example of dewatering engineering at international stock exchange hotel in Wuhan, calculating with program, and ensuring foundation pit draw down, the optimum unit value of depth of filter tube and stop water heavy curtain to make water drawdown minimum was got, and put forward a sort of method of thinking in optimizing design of foundation pit dewatering.
3.Percoll separating medium stock solution were evenly mixed into 0.1 mol/L phosphate buffer saline according to the ratio of 9∶1 to obtain the Percoll separating medium of 1.073. Marrow of rats in the two group were flushed into centrifuge tube to centrifuge and abandon the supernatant, then overprinted on the corresponding separating medium of the same volume.
