Aim This study was fulfilled to evaluate the flexural strength, micro-hardness, and release of two fluoride ions of bioactive restorative materials (Cention N and Activa Bioactive), a resin modified ...
Abstract: A new microwave method is proposed for accurate determination of complex permittivity $\varepsilon _{\textrm {rs}} = \varepsilon _{\textrm {rs}}^{\prime ...
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Scientists map the smartest places to hunt for ancient Mars life
Mars is no longer just a blank red canvas for planetary scientists. A new generation of high resolution maps is turning the ...
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