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Now showing items 7905-7924 of 39126
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(2002)Equilibrium dialysis was used to measure Co- and Cu-binding by an isolated peat humic acid (PHA) in controlled laboratory experiments under simulated estuarine conditions: ionic strengths of 0.005 to 0.7 M in NaCl and mixed ...
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LABORATORY MEASUREMENTS OF ELECTRICAL CONDUCTIVITY OF HYDROUS AND DRY SILICIC MELTS UNDER PRESSURE (2004)An interpretation of the electrical signature of molten rocks within the Earth's interior in terms of nature and temperature conditions of magma requires additional laboratory data on the electrical conductivity of silicate ...
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(1988)We have done a laboratory study of the evolution of a cylindrical volume of mixed liquid of nonzero buoyancy in a linearly-stratified medium, and found that this process differs qualitatively from the evolution of an ...
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(1995)The first measurements of the structure of black smoker chimneys suggested that they form initially by the precipitation of anhydrite from seawater, because of the reverse solubility effect due to the heating of its ...
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(2002)An experiment designed to study oxidizing perturbations in deep crystalline rock, a potential host for nuclear waste disposal, was conducted. This experiment simulated a fracture surface in contact with circulating ...
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(1997)We performed physical model experiments by utilizing a laser doppler vibrometer (LDV). Because LDV converts velocity of vibration to the Doppler shift frequency, it enables very precise measurements of ultrasonic waves ...
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(2003)Proton NMR (nuclear magnetic resonance) measurements were made of T1 and T2 relaxation times of water in saturated sands containing varying amounts of sorbed oil on the grain surfaces. The porosity, surface area, and grain ...
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(2003)This paper gives an overview of the published literature on laboratory testing of the stress dependence of rock-permeability. Additionally results of personal research on the stress dependence of the permeability of a ...
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(2002)Pseudotachylytes generally possess stable remanent magnetizations but the processes by which pseudotachylytes are magnetized remain poorly understood. Magnetic hysteresis and scanning electron microscope studies reveal ...
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(2001)Although much of the world's petroleum resource-base is associated with marine systems, regionally lacustrine petroleum systems are important. Individual accumulations may exceed several billion barrels. In each of these ...
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(2001)Thirty seven species belonging to three families of lagomorphs (Prolagidae, Ochotonidae, and Leporidae) from the Pleistocene of Eurasia are reviewed.
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(2003)In this paper we investigate three Lagrangian methods that have been recently proposed to quantify mixing in chaotic and time-aperiodic geophysical flows. The analytical method proposed by Haller [e.g., G. Haller, Chaos ...
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(1998)The kinetics of oxidation of fine-grained olivine Fa11 (mean grain size 70 μm) in air was studied at 600°C. The degree of oxidation was measured by Mössbauer spectroscopy. The overall oxidation process proceeds in two ...
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(PANGAEA, 2016-03-19)Lake Baikal, the world's most voluminous freshwater lake, has experienced unprecedented warming during the last decades. A uniquely diverse amphipod fauna inhabits the littoral zone and can serve as a model system to ...
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(PANGAEA, 2018-05-09)
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(PANGAEA, 2010-06-14)
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(PANGAEA, 2004-02-21)
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(2004)New geothermal data are presented for Lake Issyk Kul’, a mountain lake in the northern Tien Shan, Central Asia. With 40 successful measurements done, the average heat flow is 48.3 mW/m 2 . This is 10 to 20 mW/m 2 lower ...
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(PANGAEA, 2010-06-14)
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(PANGAEA, 2010-06-08)
Now showing items 7905-7924 of 39126