Injectable composites

High temperature steam cools and eventually condenses as it propagates through the oil reservoir. To maintain foam strength as the steam cools, a noncondensible gas, usually nitrogen or methane, is often added to the injectant composition (196). Methods of calculating the optimum amount of noncondensible gas to use are available (197). 

M. Soreau and D. Siegel. Injection composition for filling or reinforcing grounds. Patent GB 2170838, 1986. 

Processing of LFRT or LFT - long fibre (reinforced) thermoplastics injection, composite insert moulding, compression moulding, extrusion-compression. 

Comparison of Figures 8.9a to h and Figures 8.10a to d shows that increasing the sample volume beyond a critical value results in a plateau at the injection composition. Further increase in sample volume merely increases the length of this plateau, without affecting the production. 

Note Also given is average injectate composition with most samples obtained after 1981, Where duplicate samples were available, uncertainties equal one SD from the mean. Concentrations are in mg/L. 

Set up a base model like batch.txt for surfactant flooding with injection compositions (water/oil ratio, surfactant concentration, and so on) being the same as the phase behavior tests. The initial lower and upper salinities, Csei and Cseu, may be the same as those in the pipette tests. 

Burg, K. J. L. et al., A novel approach to tissue engineering injectable composites, Trans. 2000 World Biomater. Congr., Kona, HI, May 2000. 

These were the two cases described in detail, but a further 390 cases (210 in primary teeth 180 in permanent teeth) over a 6-month period were also mentioned [30]. In all of these, the material has been found to perform weU, handling like an injectable composite resin, and showing no indication of contraction from the margins of the restorations. This was attributed to its low polymerization contraction [30]. The material has also been used without bonding agent, and appears to have bonded to an acceptable extent. 

Callos Inject Composition a-tricalcium phosphate and unknown compounds (likely to be close to that of Callos ) Apatite... 

Peter, S. J., Miller, S. T., Zhu, G. M., Yasko, A. W. Mikos, A. G. (1998) In vivo degradation of a poly(propylene fiimarate) beta-tricalcium phosphate injectable composite scaffold. Journal of Biomedical Materials Research, 41, 1-7. 

Key words tissue engineering, in situ scaffolds, gelation mechanics, injectable composites. 

Table 6.2 Injectable composites and applications in tissue engineering... 

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