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Evolution of porosity in geotechnical composites.
Nuclear magnetic resonance (NMR) (H1) transverse relaxation measurements were carried out on 37x70-mm cylindrical mineral/organic composites to determine and monitor the porosity evolution. PorosityExpand
Zoned migration of magnetotactic bacteria
Abstract Dense populations of magnetotactic bacteria, migrating under the influence of a magnetic field 10 to 100 times that of the earth, rapidly break into bands that move at about the swimmingExpand
A study of uranium solvent extraction equilibria with Alamine 336 in kerosene
Abstract A study of the solvent extraction equilibria of sulphuric acid and uranyl sulphate has been carried out using kerosene solutions of Alamine 336. In previous studies involving tertiaryExpand
Spectrophotometric investigations of aqueous solutions at elevated temperatures
New spectrophotometric data have been obtained for the dissociation of salicylic acid (H2L), over the temperature range 10–85°C, from which values of the first and second thermodynamic dissociationExpand
Determination of olivine and serpentine in kimberlite by X-ray diffraction
Olivine and serpentine in kimberlite from the Wesselton pipe have been quantitatively determined by a modified X-ray diffraction procedure in which concentrates of the minerals were separated fromExpand
A microbial mat composed of iron bacteria.
Volatile alkali metal β-ketoenolate compounds
Abstract Alkali metal compounds of a number of β-ketoenols have been isolated and qualitative assessments of their volatility, thermal stability, hydrolytic stability, and extraction into organicExpand
Effect of temperature on the acid dissociation constants of 1,10-phenanthroline and some related bases in water
The acid dissociation constants (Ka) of the 1,10-phenanthrolium ion, 5-nitro-1,10-phenanthrolium ion, 2,9-dimethyl-1,10-phenanthrolium ion and 5,6-dimethyl-1,10-phenanthrolium ion in aqueous solutionExpand
Solvent extraction of boron with 2-ethyl-1,3-hexanediol and 2-chloro-4-(1,1,3,3-tetramethylbutyl)-6-methylol-phenol
Abstract The solvent extraction equilibrium of boron extraction has been studied for petroleum ether solutions of 2-ethyl-1,3-hexanediol (EHD) andExpand