The fused salts as solvents for preparing electroplating bath have some important features, that is, their wider temperature range of liquid state and larger "electrochemical window".
The sludge blanket is detected by winding the sensor down into the tank, the audible tone will change and the LED illuminates once the sensor has reached the blanket.
3
盆地沉积类型有台地型和海槽型两种。
There are two basin sediment types: the platform type and trough type.