Sondra Hansen

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In this study the effect of strontium substitution on the hydrolysis of alpha -tricalcium phosphate (alpha-TCP) toward the formation of calcium deficient hydroxyapatite (CDHA) was investigated. For that purpose substituted alpha-TCP powders with 1, 5 and 10 mol% Sr substitution for Ca were synthesized by reacting at 1500 degrees C stoichiometric amounts of(More)
Staff development is widely recognised as being crucial in the successful introduction of technological innovations in teaching. However, even where this is accepted, development costs still have a tendency to usurp large portions of the funding. This falsely suggests that given the appropriate hardware and software, academics will quickly and easily change(More)
The discussion of cross-deputization (mandating that police officers enforce immigration policies) is often framed as a referendum on civil rights and racial politics. Those who oppose cross-deputization often maintain that asking police to target individuals based on their immigration status endangers civil rights. Those who support cross-deputization, on(More)