The fate of some organochlorine pesticides on leaves.
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Chromatography, Gas↗
Biomedical subjects
D C Holmes
Publications and source records attributed to D C Holmes.
Pesticide residues in foodstuffs in Great Britain. II. Persistent organochlorine pesticide residues in selected foods.
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Chlorine↗
Deflection of superstructure and stress concentrations in the IMZ implant system.
The finite element method was used to model a 4.0 x 13.0-mm IMZ implant restored with a cast gold crown to examine the relationship between deflection of the prosthetic superstructure and stress concentrations in the retaining screw using both the polyoxymethylene intramobile element and the analogous titanium element under various loading conditions. A strong correlation was observed between the peak stresses in the screw and the deflection of the superstructure. Deflections and stress concentrations generally increased with increases of either the load magnitude or the load angle. Greater deflection and stress concentrations within the coronal retaining screw were predicted with the use of the resin IME than with the titanium element.
Bite Force↗
Post and core retention with different cements.
In this study, bond strengths of four cement systems--Comspan resin composite luting cement with and without Gluma dentin bond, Fleck's zinc phosphate cement, and Ketac-Cem glass ionomer--used in cementing cast post-cores were investigated. Gluma appears to enhance the bond at the post/tooth interface, resulting in decreased variability and increased strength.
Analysis of Variance↗