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Effects of chemical admixtures on the workability and strength development of calcium sulphoaluminate cement (CSA) at various temperature were researched, of which mechanisms were analyzed by XRD and TG. The setting time and early strength of CSA were significantly improved by lithium carbonate-aluminum sulfate (LC-AS) at 0 °C and sodium gluconate-borax (SG-B) at 40 °C. LC-AS not only enhanced ettringite...
Asphaltenes are the heaviest components in crude oil. It is generally believed that asphaltenes adsorbed at oil/water interface can form a protective layer to stabilize the water-in-oil or oil-in-water emulsions. In this work, the effects of asphaltene concentration and temperature on the dynamic interfacial tension (IFT) of oil (i.e., toluene)/water interface were systematically investigated using...
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