1.An organic wetting agent or foam suppressant is quite helpful in the formation of filterable hemihydrate .
某种有润湿剂或消泡剂十分有助于形成可过滤半水物。
2.The result of the test indicated that the aluminium sulfate and the sodium tartrate potassium bond was advantageous to prepare the short columnar alpha-hemihydrated gypsum crystal.