Based on our study of photophysics of DCM in different solvents, it has been suggested that propylene carbonate can. be used as a more attractive solvent for DGM lasing medium.
The preapplied high strength and medium strength anaerobic adhesives were made by filling superfine calcium carbonate or silicon powder as filler in preapplied anaerobic adhesives.
在预涂型厌氧胶甲组分中加入超细碳酸钙、硅微粉作为填料，可制得性能较好的高强度、中强度预涂型厌氧胶。
3
Barite deposits in carbonate rock area forms under shallow condition with karst hydrothermal brine solution as medium and karstification as leading factor of mineralization.