The effects of different amounts of calcium sulfate anhydrate and different liquid for hardening on the microstructure,the setting time,compressive strength and phase composition of the CSA/α-TCP bone cement were investigated.

The calcium phosphate bone cement was prepared by the introduction of calcium sulfate anhydrate (CSA),the effects of which on the structure and performance of α-tricalcium phosphate bone cement was investigated by means of the thermal analysis,scanning electric microscopy,mechanics performance testing as well as comparative experiments.

The effects of different amounts of calcium sulfate anhydrate on t.

Then the anhydrous sodium sulfate is obtained after separating,wahsing and drying.

Aim\ The technological condition required to get anhydrous sodium sulfate from the industrial coarse mirabilite is discussed.

As the by-product the anhydrous sodium sulfate was obtained at the same time.

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

DOF was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.

In the presence of anhydrous Magnesium sulfate, lead Carbon dioxide to reactions of pyrrole and benzaldehydes ,direct condensation of pyrrole with benzaldehydes in refuxing DMF or DMSO gave TPPH2,The product will not contain meso-tetraphenylchlorin.