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Browsing ELibrary by Title
Now showing items 99-118 of 21934
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(2003)A Cenozoic multi-species record of benthic foraminiferal calcite Sr/Ca has been produced and is corrected for inter-specific offsets (typically less than 0.3 mmol/mol) and for the linear relationship between decreasing ...
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(1986)This contribution summarizes and brings up to date the recommendations made by the IUGS Subcommission on the Systematics of Igneous Rocks for the classification of volcanic rocks when modal analyses are lacking. The ...
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(1997)This study quantifies metal adsorption onto cell wall surfaces of Bacillus subtilis by applying equilibrium thermodynamics to the specific chemical reactions that occur at the water-bacteria interface. We use acid/base ...
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(2004)This paper describes a chemical model that calculates solute and solvent activities and solid-liquid equilibria in the H-Na-K-OH-Cl-HSO4-SO4-H2O system from dilute to high solution concentration within the 0° to 250°C ...
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(1995)A chemical separation method of Hf from rocks is presented. A procedure involving three stages of ion-exchange columns and sulfuric acid as an eluant produces consistent Zr- and Ti-free Hf separations. The methods described ...
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(2003)A new empirical method has been devised for classification of mantle-derived garnets in kimberlite. Simple chemical screens have been developed to distinguish between garnets from different parageneses, based on Mg, Fe, ...
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(1995)Classical ion-exchange chromatography combined with high-performance ion chromatography has been used for the separation of Nd and Sm for isotopic analysis of geological samples by mass spectrometry. The procedure has ...
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(2006)The thermal dehydroxylation of a goethite-carbonate solid solution was studied with combined Fourier-transform infrared (FTIR)-Temperature programmed desorption (TPD) experiments. The TPD data revealed dehydroxylation peaks ...
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(2003)In an attempt to delineate the base of a landfill and map the geometries of the host sediments, we have recorded a high-resolution seismic profile. To obtain sufficient resolution in the heterogeneous landfill environment, ...
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(1993)A comparative analysis has been carried out for maps of recent vertical crustal movements (RVCM) for the European territory of Russia published at various times. We present maps for differences of rates of RVCM (1963–1971, ...
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(1995)A comparative analysis has been carried out for maps of recent vertical crustal movements (RVCM) for the European territory of Russia published at various times. We present maps for differences of rates of RVCM (1963–1971, ...
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(1999)In terms of their chemistry, most of the Early Miocene volcanic rocks of Sakhalin can be referred to a tholeiitic series and merely a small amount, to a calc-alkalic series. Early Miocene volcanic eruptions occurred mainly ...
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(2005)Fibrous zeolites (FZ) are the only group of natural zeolites that have been well investigated under pressure. The high-pressure (HP) behaviour of several FZ has been studied by means of in situ HP-single-crystal/powder ...
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(2000)In this study the chemical structure of algaenans isolated from the freshwater algae Tetraedron minimum, Pediastrum boryanum and Botryococcus braunii are compared with their fossil counterparts by means of RuO4 oxidation. ...
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(2006)Most of the petrologic data available for Type B inclusions comes from Type B1s. Relatively little comes from the B2s, and there has not been a systematic comparison of the properties of their two most abundant minerals. ...
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(2002)Opaque minerals in the Qingzhen (EH3) and MacAlpine Hills (MAC) 88136 (EL3) enstatite chondrites were studied and compared with other EH and EL chondrites. All opaque minerals usually occur in multi-sulfide-metal clasts ...
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(2006)Organic ligands affect the sorption and mobility of radionuclides in soils. Batch desorption experiments on goethite particles reveal the extent of uranyl desorption and hence bioavailability with different organic acids. ...
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(1996)Linear potential theory was used for a comparative study of tsunami excitation efficiency by piston-type and traveling-wave bottom motion. Wave energy was determined as a function of the size of excitation area, basin ...
Now showing items 99-118 of 21934