|
2020
|
Invention
|
Method for preparing α-hemihydrate gypsum. Disclosed is a method for preparing α-hemihydrate gyps... |
|
|
Invention
|
Device and method for producing type-ii anhydrite by means of thermal coupling. Disclosed is a de... |
|
|
Invention
|
Method for preparing calcium sulfate dihydrate whiskers and calcium sulfate hemihydrate whiskers ... |
|
2018
|
Invention
|
Crystal modifier and use thereof for preparing alpha-type high-strength gypsum. 12345678422O crys... |
|
2017
|
P/S
|
concrete; gypsum; cement; concrete building elements; tiles, not of metal, for building; fired re... |
